diff options
| author |   Don Dugger <n0ano@n0ano.com> | 2016-06-03 03:33:22 +0000 |
|---|---|---|
| committer |   Gerrit Code Review <gerrit@172.30.200.206> | 2016-06-03 03:33:23 +0000 |
| commit | da27230f80795d0028333713f036d44c53cb0e68 (patch) | |
| tree | b3d379eaf000adf72b36cb01cdf4d79c3e3f064c /qemu/target-ppc | |
| parent | 0e68cb048bb8aadb14675f5d4286d8ab2fc35449 (diff) | |
| parent | 437fd90c0250dee670290f9b714253671a990160 (diff) | |
Merge "These changes are the raw update to qemu-2.6."
Diffstat (limited to 'qemu/target-ppc')
30 files changed, 1712 insertions, 817 deletions
diff --git a/qemu/target-ppc/Makefile.objs b/qemu/target-ppc/Makefile.objs index a7ae392cc..e667e6970 100644 --- a/qemu/target-ppc/Makefile.objs +++ b/qemu/target-ppc/Makefile.objs @@ -1,10 +1,10 @@ obj-y += cpu-models.o obj-y += translate.o ifeq ($(CONFIG_SOFTMMU),y) -obj-y += machine.o mmu_helper.o mmu-hash32.o +obj-y += machine.o mmu_helper.o mmu-hash32.o monitor.o obj-$(TARGET_PPC64) += mmu-hash64.o arch_dump.o endif -obj-$(CONFIG_KVM) += kvm.o kvm_ppc.o +obj-$(CONFIG_KVM) += kvm.o obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o obj-y += dfp_helper.o obj-y += excp_helper.o diff --git a/qemu/target-ppc/arch_dump.c b/qemu/target-ppc/arch_dump.c index 5acafc68a..df1fd8c33 100644 --- a/qemu/target-ppc/arch_dump.c +++ b/qemu/target-ppc/arch_dump.c @@ -12,6 +12,7 @@ * */ +#include "qemu/osdep.h" #include "cpu.h" #include "elf.h" #include "exec/cpu-all.h" @@ -278,9 +279,3 @@ int ppc64_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs, PowerPCCPU *cpu = POWERPC_CPU(cs); return ppc64_write_all_elf64_notes("CORE", f, cpu, cpuid, opaque); } - -int ppc64_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, - CPUState *cpu, void *opaque) -{ - return 0; -} diff --git a/qemu/target-ppc/cpu-models.c b/qemu/target-ppc/cpu-models.c index 4d5ab4ba1..5209e63a7 100644 --- a/qemu/target-ppc/cpu-models.c +++ b/qemu/target-ppc/cpu-models.c @@ -24,6 +24,7 @@ * inside "#if defined(TODO) ... #endif" statements to make tests easier. */ +#include "qemu/osdep.h" #include "cpu.h" #include "cpu-models.h" @@ -1138,10 +1139,12 @@ "POWER7 v2.3") POWERPC_DEF("POWER7+_v2.1", CPU_POWERPC_POWER7P_v21, POWER7, "POWER7+ v2.1") - POWERPC_DEF("POWER8E_v1.0", CPU_POWERPC_POWER8E_v10, POWER8, - "POWER8E v1.0") - POWERPC_DEF("POWER8_v1.0", CPU_POWERPC_POWER8_v10, POWER8, - "POWER8 v1.0") + POWERPC_DEF("POWER8E_v2.1", CPU_POWERPC_POWER8E_v21, POWER8, + "POWER8E v2.1") + POWERPC_DEF("POWER8_v2.0", CPU_POWERPC_POWER8_v20, POWER8, + "POWER8 v2.0") + POWERPC_DEF("POWER8NVL_v1.0",CPU_POWERPC_POWER8NVL_v10, POWER8, + "POWER8NVL v1.0") POWERPC_DEF("970_v2.2", CPU_POWERPC_970_v22, 970, "PowerPC 970 v2.2") POWERPC_DEF("970fx_v1.0", CPU_POWERPC_970FX_v10, 970, @@ -1389,8 +1392,9 @@ PowerPCCPUAlias ppc_cpu_aliases[] = { { "POWER5gs", "POWER5+_v2.1" }, { "POWER7", "POWER7_v2.3" }, { "POWER7+", "POWER7+_v2.1" }, - { "POWER8E", "POWER8E_v1.0" }, - { "POWER8", "POWER8_v1.0" }, + { "POWER8E", "POWER8E_v2.1" }, + { "POWER8", "POWER8_v2.0" }, + { "POWER8NVL", "POWER8NVL_v1.0" }, { "970", "970_v2.2" }, { "970fx", "970fx_v3.1" }, { "970mp", "970mp_v1.1" }, diff --git a/qemu/target-ppc/cpu-models.h b/qemu/target-ppc/cpu-models.h index 9d80e7227..f21a44c83 100644 --- a/qemu/target-ppc/cpu-models.h +++ b/qemu/target-ppc/cpu-models.h @@ -557,9 +557,11 @@ enum { CPU_POWERPC_POWER7P_BASE = 0x004A0000, CPU_POWERPC_POWER7P_v21 = 0x004A0201, CPU_POWERPC_POWER8E_BASE = 0x004B0000, - CPU_POWERPC_POWER8E_v10 = 0x004B0100, + CPU_POWERPC_POWER8E_v21 = 0x004B0201, CPU_POWERPC_POWER8_BASE = 0x004D0000, - CPU_POWERPC_POWER8_v10 = 0x004D0100, + CPU_POWERPC_POWER8_v20 = 0x004D0200, + CPU_POWERPC_POWER8NVL_BASE = 0x004C0000, + CPU_POWERPC_POWER8NVL_v10 = 0x004C0100, CPU_POWERPC_970_v22 = 0x00390202, CPU_POWERPC_970FX_v10 = 0x00391100, CPU_POWERPC_970FX_v20 = 0x003C0200, diff --git a/qemu/target-ppc/cpu-qom.h b/qemu/target-ppc/cpu-qom.h index 6967a8028..7d5e2b36a 100644 --- a/qemu/target-ppc/cpu-qom.h +++ b/qemu/target-ppc/cpu-qom.h @@ -118,13 +118,13 @@ void ppc_cpu_dump_state(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf, int flags); void ppc_cpu_dump_statistics(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf, int flags); +int ppc_cpu_get_monitor_def(CPUState *cs, const char *name, + uint64_t *pval); hwaddr ppc_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); int ppc_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg); int ppc_cpu_gdb_read_register_apple(CPUState *cpu, uint8_t *buf, int reg); int ppc_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg); int ppc_cpu_gdb_write_register_apple(CPUState *cpu, uint8_t *buf, int reg); -int ppc64_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, - CPUState *cpu, void *opaque); int ppc64_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs, int cpuid, void *opaque); #ifndef CONFIG_USER_ONLY diff --git a/qemu/target-ppc/cpu.h b/qemu/target-ppc/cpu.h index 6f76674a4..5282533b3 100644 --- a/qemu/target-ppc/cpu.h +++ b/qemu/target-ppc/cpu.h @@ -19,7 +19,6 @@ #if !defined (__CPU_PPC_H__) #define __CPU_PPC_H__ -#include "config.h" #include "qemu-common.h" //#define PPC_EMULATE_32BITS_HYPV @@ -81,9 +80,9 @@ #include "fpu/softfloat.h" #if defined (TARGET_PPC64) -#define ELF_MACHINE EM_PPC64 +#define PPC_ELF_MACHINE EM_PPC64 #else -#define ELF_MACHINE EM_PPC +#define PPC_ELF_MACHINE EM_PPC #endif /*****************************************************************************/ @@ -117,14 +116,20 @@ enum powerpc_mmu_t { #define POWERPC_MMU_AMR 0x00040000 /* 64 bits PowerPC MMU */ POWERPC_MMU_64B = POWERPC_MMU_64 | 0x00000001, + /* Architecture 2.03 and later (has LPCR) */ + POWERPC_MMU_2_03 = POWERPC_MMU_64 | 0x00000002, /* Architecture 2.06 variant */ POWERPC_MMU_2_06 = POWERPC_MMU_64 | POWERPC_MMU_1TSEG | POWERPC_MMU_AMR | 0x00000003, /* Architecture 2.06 "degraded" (no 1T segments) */ POWERPC_MMU_2_06a = POWERPC_MMU_64 | POWERPC_MMU_AMR | 0x00000003, - /* Architecture 2.06 "degraded" (no 1T segments or AMR) */ - POWERPC_MMU_2_06d = POWERPC_MMU_64 | 0x00000003, + /* Architecture 2.07 variant */ + POWERPC_MMU_2_07 = POWERPC_MMU_64 | POWERPC_MMU_1TSEG + | POWERPC_MMU_AMR | 0x00000004, + /* Architecture 2.07 "degraded" (no 1T segments) */ + POWERPC_MMU_2_07a = POWERPC_MMU_64 | POWERPC_MMU_AMR + | 0x00000004, #endif /* defined(TARGET_PPC64) */ }; @@ -162,6 +167,8 @@ enum powerpc_excp_t { POWERPC_EXCP_970, /* POWER7 exception model */ POWERPC_EXCP_POWER7, + /* POWER8 exception model */ + POWERPC_EXCP_POWER8, #endif /* defined(TARGET_PPC64) */ }; @@ -413,6 +420,7 @@ typedef struct ppc_slb_t ppc_slb_t; struct ppc_slb_t { uint64_t esid; uint64_t vsid; + const struct ppc_one_seg_page_size *sps; }; #define MAX_SLB_ENTRIES 64 @@ -468,9 +476,17 @@ struct ppc_slb_t { #define MSR_RI 1 /* Recoverable interrupt 1 */ #define MSR_LE 0 /* Little-endian mode 1 hflags */ -#define LPCR_ILE (1 << (63-38)) -#define LPCR_AIL_SHIFT (63-40) /* Alternate interrupt location */ -#define LPCR_AIL (3 << LPCR_AIL_SHIFT) +/* LPCR bits */ +#define LPCR_VPM0 (1ull << (63 - 0)) +#define LPCR_VPM1 (1ull << (63 - 1)) +#define LPCR_ISL (1ull << (63 - 2)) +#define LPCR_KBV (1ull << (63 - 3)) +#define LPCR_ILE (1ull << (63 - 38)) +#define LPCR_MER (1ull << (63 - 52)) +#define LPCR_LPES0 (1ull << (63 - 60)) +#define LPCR_LPES1 (1ull << (63 - 61)) +#define LPCR_AIL_SHIFT (63 - 40) /* Alternate interrupt location */ +#define LPCR_AIL (3ull << LPCR_AIL_SHIFT) #define msr_sf ((env->msr >> MSR_SF) & 1) #define msr_isf ((env->msr >> MSR_ISF) & 1) @@ -678,6 +694,46 @@ enum { #define fpscr_eex (((env->fpscr) >> FPSCR_XX) & ((env->fpscr) >> FPSCR_XE) & \ 0x1F) +#define FP_FX (1ull << FPSCR_FX) +#define FP_FEX (1ull << FPSCR_FEX) +#define FP_VX (1ull << FPSCR_VX) +#define FP_OX (1ull << FPSCR_OX) +#define FP_UX (1ull << FPSCR_UX) +#define FP_ZX (1ull << FPSCR_ZX) +#define FP_XX (1ull << FPSCR_XX) +#define FP_VXSNAN (1ull << FPSCR_VXSNAN) +#define FP_VXISI (1ull << FPSCR_VXISI) +#define FP_VXIDI (1ull << FPSCR_VXIDI) +#define FP_VXZDZ (1ull << FPSCR_VXZDZ) +#define FP_VXIMZ (1ull << FPSCR_VXIMZ) +#define FP_VXVC (1ull << FPSCR_VXVC) +#define FP_FR (1ull << FSPCR_FR) +#define FP_FI (1ull << FPSCR_FI) +#define FP_C (1ull << FPSCR_C) +#define FP_FL (1ull << FPSCR_FL) +#define FP_FG (1ull << FPSCR_FG) +#define FP_FE (1ull << FPSCR_FE) +#define FP_FU (1ull << FPSCR_FU) +#define FP_FPCC (FP_FL | FP_FG | FP_FE | FP_FU) +#define FP_FPRF (FP_C | FP_FL | FP_FG | FP_FE | FP_FU) +#define FP_VXSOFT (1ull << FPSCR_VXSOFT) +#define FP_VXSQRT (1ull << FPSCR_VXSQRT) +#define FP_VXCVI (1ull << FPSCR_VXCVI) +#define FP_VE (1ull << FPSCR_VE) +#define FP_OE (1ull << FPSCR_OE) +#define FP_UE (1ull << FPSCR_UE) +#define FP_ZE (1ull << FPSCR_ZE) +#define FP_XE (1ull << FPSCR_XE) +#define FP_NI (1ull << FPSCR_NI) +#define FP_RN1 (1ull << FPSCR_RN1) +#define FP_RN (1ull << FPSCR_RN) + +/* the exception bits which can be cleared by mcrfs - includes FX */ +#define FP_EX_CLEAR_BITS (FP_FX | FP_OX | FP_UX | FP_ZX | \ + FP_XX | FP_VXSNAN | FP_VXISI | FP_VXIDI | \ + FP_VXZDZ | FP_VXIMZ | FP_VXVC | FP_VXSOFT | \ + FP_VXSQRT | FP_VXCVI) + /*****************************************************************************/ /* Vector status and control register */ #define VSCR_NJ 16 /* Vector non-java */ @@ -1073,6 +1129,7 @@ struct CPUPPCState { uint64_t insns_flags2; #if defined(TARGET_PPC64) struct ppc_segment_page_sizes sps; + bool ci_large_pages; #endif #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) @@ -1182,7 +1239,7 @@ void ppc_store_msr (CPUPPCState *env, target_ulong value); void ppc_cpu_list (FILE *f, fprintf_function cpu_fprintf); int ppc_get_compat_smt_threads(PowerPCCPU *cpu); -int ppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version); +void ppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version, Error **errp); /* Time-base and decrementer management */ #ifndef NO_CPU_IO_DEFS @@ -1213,6 +1270,7 @@ void store_booke_tcr (CPUPPCState *env, target_ulong val); void store_booke_tsr (CPUPPCState *env, target_ulong val); void ppc_tlb_invalidate_all (CPUPPCState *env); void ppc_tlb_invalidate_one (CPUPPCState *env, target_ulong addr); +void cpu_ppc_set_papr(PowerPCCPU *cpu); #endif #endif @@ -1241,7 +1299,6 @@ int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, uint32_t val); #define cpu_init(cpu_model) CPU(cpu_ppc_init(cpu_model)) #define cpu_exec cpu_ppc_exec -#define cpu_gen_code cpu_ppc_gen_code #define cpu_signal_handler cpu_ppc_signal_handler #define cpu_list ppc_cpu_list @@ -1250,7 +1307,7 @@ int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, uint32_t val); #define MMU_MODE1_SUFFIX _kernel #define MMU_MODE2_SUFFIX _hypv #define MMU_USER_IDX 0 -static inline int cpu_mmu_index (CPUPPCState *env) +static inline int cpu_mmu_index (CPUPPCState *env, bool ifetch) { return env->mmu_idx; } @@ -1300,11 +1357,14 @@ static inline int cpu_mmu_index (CPUPPCState *env) #define SPR_SRR1 (0x01B) #define SPR_CFAR (0x01C) #define SPR_AMR (0x01D) +#define SPR_ACOP (0x01F) #define SPR_BOOKE_PID (0x030) +#define SPR_BOOKS_PID (0x030) #define SPR_BOOKE_DECAR (0x036) #define SPR_BOOKE_CSRR0 (0x03A) #define SPR_BOOKE_CSRR1 (0x03B) #define SPR_BOOKE_DEAR (0x03D) +#define SPR_IAMR (0x03D) #define SPR_BOOKE_ESR (0x03E) #define SPR_BOOKE_IVPR (0x03F) #define SPR_MPC_EIE (0x050) @@ -1334,6 +1394,12 @@ static inline int cpu_mmu_index (CPUPPCState *env) #define SPR_UAMOR (0x09D) #define SPR_MPC_ICTRL (0x09E) #define SPR_MPC_BAR (0x09F) +#define SPR_PSPB (0x09F) +#define SPR_DAWR (0x0B4) +#define SPR_RPR (0x0BA) +#define SPR_CIABR (0x0BB) +#define SPR_DAWRX (0x0BC) +#define SPR_HFSCR (0x0BE) #define SPR_VRSAVE (0x100) #define SPR_USPRG0 (0x100) #define SPR_USPRG1 (0x101) @@ -1388,19 +1454,25 @@ static inline int cpu_mmu_index (CPUPPCState *env) #define SPR_HSRR1 (0x13B) #define SPR_BOOKE_IAC4 (0x13B) #define SPR_BOOKE_DAC1 (0x13C) -#define SPR_LPIDR (0x13D) +#define SPR_MMCRH (0x13C) #define SPR_DABR2 (0x13D) #define SPR_BOOKE_DAC2 (0x13D) +#define SPR_TFMR (0x13D) #define SPR_BOOKE_DVC1 (0x13E) #define SPR_LPCR (0x13E) #define SPR_BOOKE_DVC2 (0x13F) +#define SPR_LPIDR (0x13F) #define SPR_BOOKE_TSR (0x150) +#define SPR_HMER (0x150) +#define SPR_HMEER (0x151) #define SPR_PCR (0x152) +#define SPR_BOOKE_LPIDR (0x152) #define SPR_BOOKE_TCR (0x154) #define SPR_BOOKE_TLB0PS (0x158) #define SPR_BOOKE_TLB1PS (0x159) #define SPR_BOOKE_TLB2PS (0x15A) #define SPR_BOOKE_TLB3PS (0x15B) +#define SPR_AMOR (0x15D) #define SPR_BOOKE_MAS7_MAS3 (0x174) #define SPR_BOOKE_IVOR0 (0x190) #define SPR_BOOKE_IVOR1 (0x191) @@ -1517,6 +1589,7 @@ static inline int cpu_mmu_index (CPUPPCState *env) #define SPR_PERF0 (0x300) #define SPR_RCPU_MI_RBA0 (0x300) #define SPR_MPC_MI_CTR (0x300) +#define SPR_POWER_USIER (0x300) #define SPR_PERF1 (0x301) #define SPR_RCPU_MI_RBA1 (0x301) #define SPR_POWER_UMMCR2 (0x301) @@ -1566,6 +1639,7 @@ static inline int cpu_mmu_index (CPUPPCState *env) #define SPR_PERFF (0x30F) #define SPR_MPC_MD_TW (0x30F) #define SPR_UPERF0 (0x310) +#define SPR_POWER_SIER (0x310) #define SPR_UPERF1 (0x311) #define SPR_POWER_MMCR2 (0x311) #define SPR_UPERF2 (0x312) @@ -1617,7 +1691,9 @@ static inline int cpu_mmu_index (CPUPPCState *env) #define SPR_MPC_MD_DBRAM1 (0x32A) #define SPR_RCPU_L2U_RA3 (0x32B) #define SPR_TAR (0x32F) +#define SPR_IC (0x350) #define SPR_VTB (0x351) +#define SPR_MMCRC (0x353) #define SPR_440_INV0 (0x370) #define SPR_440_INV1 (0x371) #define SPR_440_INV2 (0x372) @@ -1627,8 +1703,14 @@ static inline int cpu_mmu_index (CPUPPCState *env) #define SPR_440_ITV2 (0x376) #define SPR_440_ITV3 (0x377) #define SPR_440_CCR1 (0x378) +#define SPR_TACR (0x378) +#define SPR_TCSCR (0x379) +#define SPR_CSIGR (0x37a) #define SPR_DCRIPR (0x37B) +#define SPR_POWER_SPMC1 (0x37C) +#define SPR_POWER_SPMC2 (0x37D) #define SPR_POWER_MMCRS (0x37E) +#define SPR_WORT (0x37F) #define SPR_PPR (0x380) #define SPR_750_GQR0 (0x390) #define SPR_440_DNV0 (0x390) @@ -1651,6 +1733,7 @@ static inline int cpu_mmu_index (CPUPPCState *env) #define SPR_440_DVLIM (0x398) #define SPR_750_WPAR (0x399) #define SPR_440_IVLIM (0x399) +#define SPR_TSCR (0x399) #define SPR_750_DMAU (0x39A) #define SPR_750_DMAL (0x39B) #define SPR_440_RSTCFG (0x39B) @@ -1825,9 +1908,10 @@ static inline int cpu_mmu_index (CPUPPCState *env) #define L1CSR1_ICE 0x00000001 /* Instruction Cache Enable */ /* HID0 bits */ -#define HID0_DEEPNAP (1 << 24) -#define HID0_DOZE (1 << 23) -#define HID0_NAP (1 << 22) +#define HID0_DEEPNAP (1 << 24) /* pre-2.06 */ +#define HID0_DOZE (1 << 23) /* pre-2.06 */ +#define HID0_NAP (1 << 22) /* pre-2.06 */ +#define HID0_HILE (1ull << (63 - 19)) /* POWER8 */ /*****************************************************************************/ /* PowerPC Instructions types definitions */ @@ -2176,6 +2260,33 @@ enum { PCR_TM_DIS = 1ull << (63-2), /* Trans. memory disable (POWER8) */ }; +/* HMER/HMEER */ +enum { + HMER_MALFUNCTION_ALERT = 1ull << (63 - 0), + HMER_PROC_RECV_DONE = 1ull << (63 - 2), + HMER_PROC_RECV_ERROR_MASKED = 1ull << (63 - 3), + HMER_TFAC_ERROR = 1ull << (63 - 4), + HMER_TFMR_PARITY_ERROR = 1ull << (63 - 5), + HMER_XSCOM_FAIL = 1ull << (63 - 8), + HMER_XSCOM_DONE = 1ull << (63 - 9), + HMER_PROC_RECV_AGAIN = 1ull << (63 - 11), + HMER_WARN_RISE = 1ull << (63 - 14), + HMER_WARN_FALL = 1ull << (63 - 15), + HMER_SCOM_FIR_HMI = 1ull << (63 - 16), + HMER_TRIG_FIR_HMI = 1ull << (63 - 17), + HMER_HYP_RESOURCE_ERR = 1ull << (63 - 20), + HMER_XSCOM_STATUS_MASK = 7ull << (63 - 23), + HMER_XSCOM_STATUS_LSH = (63 - 23), +}; + +/* Alternate Interrupt Location (AIL) */ +enum { + AIL_NONE = 0, + AIL_RESERVED = 1, + AIL_0001_8000 = 2, + AIL_C000_0000_0000_4000 = 3, +}; + /*****************************************************************************/ static inline target_ulong cpu_read_xer(CPUPPCState *env) @@ -2304,6 +2415,16 @@ static inline bool msr_is_64bit(CPUPPCState *env, target_ulong msr) return msr & (1ULL << MSR_SF); } +/** + * Check whether register rx is in the range between start and + * start + nregs (as needed by the LSWX and LSWI instructions) + */ +static inline bool lsw_reg_in_range(int start, int nregs, int rx) +{ + return (start + nregs <= 32 && rx >= start && rx < start + nregs) || + (start + nregs > 32 && (rx >= start || rx < start + nregs - 32)); +} + extern void (*cpu_ppc_hypercall)(PowerPCCPU *); #include "exec/exec-all.h" @@ -2328,4 +2449,5 @@ int ppc_get_vcpu_dt_id(PowerPCCPU *cpu); */ PowerPCCPU *ppc_get_vcpu_by_dt_id(int cpu_dt_id); +void ppc_maybe_bswap_register(CPUPPCState *env, uint8_t *mem_buf, int len); #endif /* !defined (__CPU_PPC_H__) */ diff --git a/qemu/target-ppc/dfp_helper.c b/qemu/target-ppc/dfp_helper.c index 49820bf21..db0ede698 100644 --- a/qemu/target-ppc/dfp_helper.c +++ b/qemu/target-ppc/dfp_helper.c @@ -17,6 +17,7 @@ * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" #include "cpu.h" #include "exec/helper-proto.h" @@ -170,27 +171,6 @@ static void dfp_prepare_decimal128(struct PPC_DFP *dfp, uint64_t *a, } } -#define FP_FX (1ull << FPSCR_FX) -#define FP_FEX (1ull << FPSCR_FEX) -#define FP_OX (1ull << FPSCR_OX) -#define FP_OE (1ull << FPSCR_OE) -#define FP_UX (1ull << FPSCR_UX) -#define FP_UE (1ull << FPSCR_UE) -#define FP_XX (1ull << FPSCR_XX) -#define FP_XE (1ull << FPSCR_XE) -#define FP_ZX (1ull << FPSCR_ZX) -#define FP_ZE (1ull << FPSCR_ZE) -#define FP_VX (1ull << FPSCR_VX) -#define FP_VXSNAN (1ull << FPSCR_VXSNAN) -#define FP_VXISI (1ull << FPSCR_VXISI) -#define FP_VXIMZ (1ull << FPSCR_VXIMZ) -#define FP_VXZDZ (1ull << FPSCR_VXZDZ) -#define FP_VXIDI (1ull << FPSCR_VXIDI) -#define FP_VXVC (1ull << FPSCR_VXVC) -#define FP_VXCVI (1ull << FPSCR_VXCVI) -#define FP_VE (1ull << FPSCR_VE) -#define FP_FI (1ull << FPSCR_FI) - static void dfp_set_FPSCR_flag(struct PPC_DFP *dfp, uint64_t flag, uint64_t enabled) { diff --git a/qemu/target-ppc/excp_helper.c b/qemu/target-ppc/excp_helper.c index b80347506..ca4ffe8ad 100644 --- a/qemu/target-ppc/excp_helper.c +++ b/qemu/target-ppc/excp_helper.c @@ -16,6 +16,7 @@ * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" #include "cpu.h" #include "exec/helper-proto.h" #include "exec/cpu_ldst.h" @@ -23,6 +24,7 @@ #include "helper_regs.h" //#define DEBUG_OP +//#define DEBUG_SOFTWARE_TLB //#define DEBUG_EXCEPTIONS #ifdef DEBUG_EXCEPTIONS @@ -75,7 +77,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp) CPUPPCState *env = &cpu->env; target_ulong msr, new_msr, vector; int srr0, srr1, asrr0, asrr1; - int lpes0, lpes1, lev; + int lpes0, lpes1, lev, ail; if (0) { /* XXX: find a suitable condition to enable the hypervisor mode */ @@ -106,6 +108,25 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp) asrr0 = -1; asrr1 = -1; + /* Exception targetting modifiers + * + * AIL is initialized here but can be cleared by + * selected exceptions + */ +#if defined(TARGET_PPC64) + if (excp_model == POWERPC_EXCP_POWER7 || + excp_model == POWERPC_EXCP_POWER8) { + if (excp_model == POWERPC_EXCP_POWER8) { + ail = (env->spr[SPR_LPCR] & LPCR_AIL) >> LPCR_AIL_SHIFT; + } else { + ail = 0; + } + } else +#endif /* defined(TARGET_PPC64) */ + { + ail = 0; + } + switch (excp) { case POWERPC_EXCP_NONE: /* Should never happen */ @@ -131,12 +152,11 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp) /* Machine check exception is not enabled. * Enter checkstop state. */ - if (qemu_log_enabled()) { + fprintf(stderr, "Machine check while not allowed. " + "Entering checkstop state\n"); + if (qemu_log_separate()) { qemu_log("Machine check while not allowed. " "Entering checkstop state\n"); - } else { - fprintf(stderr, "Machine check while not allowed. " - "Entering checkstop state\n"); } cs->halted = 1; cs->interrupt_request |= CPU_INTERRUPT_EXITTB; @@ -145,6 +165,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp) /* XXX: find a suitable condition to enable the hypervisor mode */ new_msr |= (target_ulong)MSR_HVB; } + ail = 0; /* machine check exceptions don't have ME set */ new_msr &= ~((target_ulong)1 << MSR_ME); @@ -200,7 +221,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp) /* Get rS/rD and rA from faulting opcode */ env->spr[SPR_DSISR] |= (cpu_ldl_code(env, (env->nip - 4)) & 0x03FF0000) >> 16; - goto store_current; + goto store_next; case POWERPC_EXCP_PROGRAM: /* Program exception */ switch (env->error_code & ~0xF) { case POWERPC_EXCP_FP: @@ -343,6 +364,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp) /* XXX: find a suitable condition to enable the hypervisor mode */ new_msr |= (target_ulong)MSR_HVB; } + ail = 0; goto store_next; case POWERPC_EXCP_DSEG: /* Data segment exception */ if (lpes1 == 0) { @@ -629,7 +651,8 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp) } #ifdef TARGET_PPC64 - if (excp_model == POWERPC_EXCP_POWER7) { + if (excp_model == POWERPC_EXCP_POWER7 || + excp_model == POWERPC_EXCP_POWER8) { if (env->spr[SPR_LPCR] & LPCR_ILE) { new_msr |= (target_ulong)1 << MSR_LE; } @@ -649,6 +672,29 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp) excp); } vector |= env->excp_prefix; + + /* AIL only works if there is no HV transition and we are running with + * translations enabled + */ + if (!((msr >> MSR_IR) & 1) || !((msr >> MSR_DR) & 1)) { + ail = 0; + } + /* Handle AIL */ + if (ail) { + new_msr |= (1 << MSR_IR) | (1 << MSR_DR); + switch(ail) { + case AIL_0001_8000: + vector |= 0x18000; + break; + case AIL_C000_0000_0000_4000: + vector |= 0xc000000000004000ull; + break; + default: + cpu_abort(cs, "Invalid AIL combination %d\n", ail); + break; + } + } + #if defined(TARGET_PPC64) if (excp_model == POWERPC_EXCP_BOOKE) { if (env->spr[SPR_BOOKE_EPCR] & EPCR_ICM) { diff --git a/qemu/target-ppc/fpu_helper.c b/qemu/target-ppc/fpu_helper.c index 6cceffc55..b67ebca12 100644 --- a/qemu/target-ppc/fpu_helper.c +++ b/qemu/target-ppc/fpu_helper.c @@ -16,6 +16,7 @@ * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" #include "cpu.h" #include "exec/helper-proto.h" @@ -194,7 +195,7 @@ static inline uint64_t fload_invalid_op_excp(CPUPPCState *env, int op, /* Update the floating-point invalid operation summary */ env->fpscr |= 1 << FPSCR_VX; /* Update the floating-point exception summary */ - env->fpscr |= 1 << FPSCR_FX; + env->fpscr |= FP_FX; if (ve != 0) { /* Update the floating-point enabled exception summary */ env->fpscr |= 1 << FPSCR_FEX; @@ -211,7 +212,7 @@ static inline void float_zero_divide_excp(CPUPPCState *env) env->fpscr |= 1 << FPSCR_ZX; env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI)); /* Update the floating-point exception summary */ - env->fpscr |= 1 << FPSCR_FX; + env->fpscr |= FP_FX; if (fpscr_ze != 0) { /* Update the floating-point enabled exception summary */ env->fpscr |= 1 << FPSCR_FEX; @@ -228,7 +229,7 @@ static inline void float_overflow_excp(CPUPPCState *env) env->fpscr |= 1 << FPSCR_OX; /* Update the floating-point exception summary */ - env->fpscr |= 1 << FPSCR_FX; + env->fpscr |= FP_FX; if (fpscr_oe != 0) { /* XXX: should adjust the result */ /* Update the floating-point enabled exception summary */ @@ -248,7 +249,7 @@ static inline void float_underflow_excp(CPUPPCState *env) env->fpscr |= 1 << FPSCR_UX; /* Update the floating-point exception summary */ - env->fpscr |= 1 << FPSCR_FX; + env->fpscr |= FP_FX; if (fpscr_ue != 0) { /* XXX: should adjust the result */ /* Update the floating-point enabled exception summary */ @@ -265,7 +266,7 @@ static inline void float_inexact_excp(CPUPPCState *env) env->fpscr |= 1 << FPSCR_XX; /* Update the floating-point exception summary */ - env->fpscr |= 1 << FPSCR_FX; + env->fpscr |= FP_FX; if (fpscr_xe != 0) { /* Update the floating-point enabled exception summary */ env->fpscr |= 1 << FPSCR_FEX; @@ -330,31 +331,31 @@ void helper_fpscr_setbit(CPUPPCState *env, uint32_t bit) if (prev == 0) { switch (bit) { case FPSCR_VX: - env->fpscr |= 1 << FPSCR_FX; + env->fpscr |= FP_FX; if (fpscr_ve) { goto raise_ve; } break; case FPSCR_OX: - env->fpscr |= 1 << FPSCR_FX; + env->fpscr |= FP_FX; if (fpscr_oe) { goto raise_oe; } break; case FPSCR_UX: - env->fpscr |= 1 << FPSCR_FX; + env->fpscr |= FP_FX; if (fpscr_ue) { goto raise_ue; } break; case FPSCR_ZX: - env->fpscr |= 1 << FPSCR_FX; + env->fpscr |= FP_FX; if (fpscr_ze) { goto raise_ze; } break; case FPSCR_XX: - env->fpscr |= 1 << FPSCR_FX; + env->fpscr |= FP_FX; if (fpscr_xe) { goto raise_xe; } @@ -369,7 +370,7 @@ void helper_fpscr_setbit(CPUPPCState *env, uint32_t bit) case FPSCR_VXSQRT: case FPSCR_VXCVI: env->fpscr |= 1 << FPSCR_VX; - env->fpscr |= 1 << FPSCR_FX; + env->fpscr |= FP_FX; if (fpscr_ve != 0) { goto raise_ve; } diff --git a/qemu/target-ppc/gdbstub.c b/qemu/target-ppc/gdbstub.c index 14675f456..569c380cf 100644 --- a/qemu/target-ppc/gdbstub.c +++ b/qemu/target-ppc/gdbstub.c @@ -17,7 +17,7 @@ * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ -#include "config.h" +#include "qemu/osdep.h" #include "qemu-common.h" #include "exec/gdbstub.h" @@ -88,7 +88,7 @@ static int ppc_gdb_register_len(int n) the proper ordering for the binary, and cannot be changed. For system mode, TARGET_WORDS_BIGENDIAN is always set, and we must check the current mode of the chip to see if we're running in little-endian. */ -static void maybe_bswap_register(CPUPPCState *env, uint8_t *mem_buf, int len) +void ppc_maybe_bswap_register(CPUPPCState *env, uint8_t *mem_buf, int len) { #ifndef CONFIG_USER_ONLY if (!msr_le) { @@ -158,7 +158,7 @@ int ppc_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n) break; } } - maybe_bswap_register(env, mem_buf, r); + ppc_maybe_bswap_register(env, mem_buf, r); return r; } @@ -214,7 +214,7 @@ int ppc_cpu_gdb_read_register_apple(CPUState *cs, uint8_t *mem_buf, int n) break; } } - maybe_bswap_register(env, mem_buf, r); + ppc_maybe_bswap_register(env, mem_buf, r); return r; } @@ -227,7 +227,7 @@ int ppc_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) if (!r) { return r; } - maybe_bswap_register(env, mem_buf, r); + ppc_maybe_bswap_register(env, mem_buf, r); if (n < 32) { /* gprs */ env->gpr[n] = ldtul_p(mem_buf); @@ -277,7 +277,7 @@ int ppc_cpu_gdb_write_register_apple(CPUState *cs, uint8_t *mem_buf, int n) if (!r) { return r; } - maybe_bswap_register(env, mem_buf, r); + ppc_maybe_bswap_register(env, mem_buf, r); if (n < 32) { /* gprs */ env->gpr[n] = ldq_p(mem_buf); diff --git a/qemu/target-ppc/helper.h b/qemu/target-ppc/helper.h index 869be1509..e5a8f7b9b 100644 --- a/qemu/target-ppc/helper.h +++ b/qemu/target-ppc/helper.h @@ -544,6 +544,7 @@ DEF_HELPER_2(74xx_tlbd, void, env, tl) DEF_HELPER_2(74xx_tlbi, void, env, tl) DEF_HELPER_FLAGS_1(tlbia, TCG_CALL_NO_RWG, void, env) DEF_HELPER_FLAGS_2(tlbie, TCG_CALL_NO_RWG, void, env, tl) +DEF_HELPER_FLAGS_2(tlbiva, TCG_CALL_NO_RWG, void, env, tl) #if defined(TARGET_PPC64) DEF_HELPER_FLAGS_3(store_slb, TCG_CALL_NO_RWG, void, env, tl, tl) DEF_HELPER_2(load_slb_esid, tl, env, tl) diff --git a/qemu/target-ppc/int_helper.c b/qemu/target-ppc/int_helper.c index 0a55d5e54..27b0258d3 100644 --- a/qemu/target-ppc/int_helper.c +++ b/qemu/target-ppc/int_helper.c @@ -16,6 +16,7 @@ * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" #include "cpu.h" #include "qemu/host-utils.h" #include "exec/helper-proto.h" @@ -2327,24 +2328,28 @@ void helper_vsbox(ppc_avr_t *r, ppc_avr_t *a) void helper_vcipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) { + ppc_avr_t result; int i; VECTOR_FOR_INORDER_I(i, u32) { - r->AVRW(i) = b->AVRW(i) ^ + result.AVRW(i) = b->AVRW(i) ^ (AES_Te0[a->AVRB(AES_shifts[4*i + 0])] ^ AES_Te1[a->AVRB(AES_shifts[4*i + 1])] ^ AES_Te2[a->AVRB(AES_shifts[4*i + 2])] ^ AES_Te3[a->AVRB(AES_shifts[4*i + 3])]); } + *r = result; } void helper_vcipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) { + ppc_avr_t result; int i; VECTOR_FOR_INORDER_I(i, u8) { - r->AVRB(i) = b->AVRB(i) ^ (AES_sbox[a->AVRB(AES_shifts[i])]); + result.AVRB(i) = b->AVRB(i) ^ (AES_sbox[a->AVRB(AES_shifts[i])]); } + *r = result; } void helper_vncipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) @@ -2369,11 +2374,13 @@ void helper_vncipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) void helper_vncipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) { + ppc_avr_t result; int i; VECTOR_FOR_INORDER_I(i, u8) { - r->AVRB(i) = b->AVRB(i) ^ (AES_isbox[a->AVRB(AES_ishifts[i])]); + result.AVRB(i) = b->AVRB(i) ^ (AES_isbox[a->AVRB(AES_ishifts[i])]); } + *r = result; } #define ROTRu32(v, n) (((v) >> (n)) | ((v) << (32-n))) @@ -2460,16 +2467,19 @@ void helper_vshasigmad(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six) void helper_vpermxor(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) { + ppc_avr_t result; int i; + VECTOR_FOR_INORDER_I(i, u8) { int indexA = c->u8[i] >> 4; int indexB = c->u8[i] & 0xF; #if defined(HOST_WORDS_BIGENDIAN) - r->u8[i] = a->u8[indexA] ^ b->u8[indexB]; + result.u8[i] = a->u8[indexA] ^ b->u8[indexB]; #else - r->u8[i] = a->u8[15-indexA] ^ b->u8[15-indexB]; + result.u8[i] = a->u8[15-indexA] ^ b->u8[15-indexB]; #endif } + *r = result; } #undef VECTOR_FOR_INORDER_I diff --git a/qemu/target-ppc/kvm-stub.c b/qemu/target-ppc/kvm-stub.c index ee3f5d2f7..627bcb432 100644 --- a/qemu/target-ppc/kvm-stub.c +++ b/qemu/target-ppc/kvm-stub.c @@ -9,6 +9,7 @@ * See the COPYING file in the top-level directory. * */ +#include "qemu/osdep.h" #include "qemu-common.h" #include "hw/ppc/openpic.h" diff --git a/qemu/target-ppc/kvm.c b/qemu/target-ppc/kvm.c index 110436d08..c4c81467e 100644 --- a/qemu/target-ppc/kvm.c +++ b/qemu/target-ppc/kvm.c @@ -14,8 +14,8 @@ * */ +#include "qemu/osdep.h" #include <dirent.h> -#include <sys/types.h> #include <sys/ioctl.h> #include <sys/mman.h> #include <sys/vfs.h> @@ -23,6 +23,7 @@ #include <linux/kvm.h> #include "qemu-common.h" +#include "qemu/error-report.h" #include "qemu/timer.h" #include "sysemu/sysemu.h" #include "sysemu/kvm.h" @@ -41,6 +42,7 @@ #include "exec/gdbstub.h" #include "exec/memattrs.h" #include "sysemu/hostmem.h" +#include "qemu/cutils.h" //#define DEBUG_KVM @@ -259,7 +261,8 @@ static void kvm_get_fallback_smmu_info(PowerPCCPU *cpu, info->flags |= KVM_PPC_1T_SEGMENTS; } - if (env->mmu_model == POWERPC_MMU_2_06) { + if (env->mmu_model == POWERPC_MMU_2_06 || + env->mmu_model == POWERPC_MMU_2_07) { info->slb_size = 32; } else { info->slb_size = 64; @@ -272,8 +275,9 @@ static void kvm_get_fallback_smmu_info(PowerPCCPU *cpu, info->sps[i].enc[0].pte_enc = 0; i++; - /* 64K on MMU 2.06 */ - if (env->mmu_model == POWERPC_MMU_2_06) { + /* 64K on MMU 2.06 and later */ + if (env->mmu_model == POWERPC_MMU_2_06 || + env->mmu_model == POWERPC_MMU_2_07) { info->sps[i].page_shift = 16; info->sps[i].slb_enc = 0x110; info->sps[i].enc[0].page_shift = 16; @@ -330,6 +334,12 @@ static long gethugepagesize(const char *mem_path) return fs.f_bsize; } +/* + * FIXME TOCTTOU: this iterates over memory backends' mem-path, which + * may or may not name the same files / on the same filesystem now as + * when we actually open and map them. Iterate over the file + * descriptors instead, and use qemu_fd_getpagesize(). + */ static int find_max_supported_pagesize(Object *obj, void *opaque) { char *mem_path; @@ -412,6 +422,13 @@ static void kvm_fixup_page_sizes(PowerPCCPU *cpu) /* Convert to QEMU form */ memset(&env->sps, 0, sizeof(env->sps)); + /* If we have HV KVM, we need to forbid CI large pages if our + * host page size is smaller than 64K. + */ + if (smmu_info.flags & KVM_PPC_PAGE_SIZES_REAL) { + env->ci_large_pages = getpagesize() >= 0x10000; + } + /* * XXX This loop should be an entry wide AND of the capabilities that * the selected CPU has with the capabilities that KVM supports. @@ -503,6 +520,10 @@ int kvm_arch_init_vcpu(CPUState *cs) /* Synchronize sregs with kvm */ ret = kvm_arch_sync_sregs(cpu); if (ret) { + if (ret == -EINVAL) { + error_report("Register sync failed... If you're using kvm-hv.ko," + " only \"-cpu host\" is possible"); + } return ret; } @@ -641,8 +662,13 @@ static int kvm_put_fp(CPUState *cs) for (i = 0; i < 32; i++) { uint64_t vsr[2]; +#ifdef HOST_WORDS_BIGENDIAN vsr[0] = float64_val(env->fpr[i]); vsr[1] = env->vsr[i]; +#else + vsr[0] = env->vsr[i]; + vsr[1] = float64_val(env->fpr[i]); +#endif reg.addr = (uintptr_t) &vsr; reg.id = vsx ? KVM_REG_PPC_VSR(i) : KVM_REG_PPC_FPR(i); @@ -712,10 +738,17 @@ static int kvm_get_fp(CPUState *cs) vsx ? "VSR" : "FPR", i, strerror(errno)); return ret; } else { +#ifdef HOST_WORDS_BIGENDIAN env->fpr[i] = vsr[0]; if (vsx) { env->vsr[i] = vsr[1]; } +#else + env->fpr[i] = vsr[1]; + if (vsx) { + env->vsr[i] = vsr[0]; + } +#endif } } } @@ -841,6 +874,44 @@ static int kvm_put_vpa(CPUState *cs) } #endif /* TARGET_PPC64 */ +int kvmppc_put_books_sregs(PowerPCCPU *cpu) +{ + CPUPPCState *env = &cpu->env; + struct kvm_sregs sregs; + int i; + + sregs.pvr = env->spr[SPR_PVR]; + + sregs.u.s.sdr1 = env->spr[SPR_SDR1]; + + /* Sync SLB */ +#ifdef TARGET_PPC64 + for (i = 0; i < ARRAY_SIZE(env->slb); i++) { + sregs.u.s.ppc64.slb[i].slbe = env->slb[i].esid; + if (env->slb[i].esid & SLB_ESID_V) { + sregs.u.s.ppc64.slb[i].slbe |= i; + } + sregs.u.s.ppc64.slb[i].slbv = env->slb[i].vsid; + } +#endif + + /* Sync SRs */ + for (i = 0; i < 16; i++) { + sregs.u.s.ppc32.sr[i] = env->sr[i]; + } + + /* Sync BATs */ + for (i = 0; i < 8; i++) { + /* Beware. We have to swap upper and lower bits here */ + sregs.u.s.ppc32.dbat[i] = ((uint64_t)env->DBAT[0][i] << 32) + | env->DBAT[1][i]; + sregs.u.s.ppc32.ibat[i] = ((uint64_t)env->IBAT[0][i] << 32) + | env->IBAT[1][i]; + } + + return kvm_vcpu_ioctl(CPU(cpu), KVM_SET_SREGS, &sregs); +} + int kvm_arch_put_registers(CPUState *cs, int level) { PowerPCCPU *cpu = POWERPC_CPU(cs); @@ -894,39 +965,8 @@ int kvm_arch_put_registers(CPUState *cs, int level) } if (cap_segstate && (level >= KVM_PUT_RESET_STATE)) { - struct kvm_sregs sregs; - - sregs.pvr = env->spr[SPR_PVR]; - - sregs.u.s.sdr1 = env->spr[SPR_SDR1]; - - /* Sync SLB */ -#ifdef TARGET_PPC64 - for (i = 0; i < ARRAY_SIZE(env->slb); i++) { - sregs.u.s.ppc64.slb[i].slbe = env->slb[i].esid; - if (env->slb[i].esid & SLB_ESID_V) { - sregs.u.s.ppc64.slb[i].slbe |= i; - } - sregs.u.s.ppc64.slb[i].slbv = env->slb[i].vsid; - } -#endif - - /* Sync SRs */ - for (i = 0; i < 16; i++) { - sregs.u.s.ppc32.sr[i] = env->sr[i]; - } - - /* Sync BATs */ - for (i = 0; i < 8; i++) { - /* Beware. We have to swap upper and lower bits here */ - sregs.u.s.ppc32.dbat[i] = ((uint64_t)env->DBAT[0][i] << 32) - | env->DBAT[1][i]; - sregs.u.s.ppc32.ibat[i] = ((uint64_t)env->IBAT[0][i] << 32) - | env->IBAT[1][i]; - } - - ret = kvm_vcpu_ioctl(cs, KVM_SET_SREGS, &sregs); - if (ret) { + ret = kvmppc_put_books_sregs(cpu); + if (ret < 0) { return ret; } } @@ -988,12 +1028,197 @@ static void kvm_sync_excp(CPUPPCState *env, int vector, int ivor) env->excp_vectors[vector] = env->spr[ivor] + env->spr[SPR_BOOKE_IVPR]; } +static int kvmppc_get_booke_sregs(PowerPCCPU *cpu) +{ + CPUPPCState *env = &cpu->env; + struct kvm_sregs sregs; + int ret; + + ret = kvm_vcpu_ioctl(CPU(cpu), KVM_GET_SREGS, &sregs); + if (ret < 0) { + return ret; + } + + if (sregs.u.e.features & KVM_SREGS_E_BASE) { + env->spr[SPR_BOOKE_CSRR0] = sregs.u.e.csrr0; + env->spr[SPR_BOOKE_CSRR1] = sregs.u.e.csrr1; + env->spr[SPR_BOOKE_ESR] = sregs.u.e.esr; + env->spr[SPR_BOOKE_DEAR] = sregs.u.e.dear; + env->spr[SPR_BOOKE_MCSR] = sregs.u.e.mcsr; + env->spr[SPR_BOOKE_TSR] = sregs.u.e.tsr; + env->spr[SPR_BOOKE_TCR] = sregs.u.e.tcr; + env->spr[SPR_DECR] = sregs.u.e.dec; + env->spr[SPR_TBL] = sregs.u.e.tb & 0xffffffff; + env->spr[SPR_TBU] = sregs.u.e.tb >> 32; + env->spr[SPR_VRSAVE] = sregs.u.e.vrsave; + } + + if (sregs.u.e.features & KVM_SREGS_E_ARCH206) { + env->spr[SPR_BOOKE_PIR] = sregs.u.e.pir; + env->spr[SPR_BOOKE_MCSRR0] = sregs.u.e.mcsrr0; + env->spr[SPR_BOOKE_MCSRR1] = sregs.u.e.mcsrr1; + env->spr[SPR_BOOKE_DECAR] = sregs.u.e.decar; + env->spr[SPR_BOOKE_IVPR] = sregs.u.e.ivpr; + } + + if (sregs.u.e.features & KVM_SREGS_E_64) { + env->spr[SPR_BOOKE_EPCR] = sregs.u.e.epcr; + } + + if (sregs.u.e.features & KVM_SREGS_E_SPRG8) { + env->spr[SPR_BOOKE_SPRG8] = sregs.u.e.sprg8; + } + + if (sregs.u.e.features & KVM_SREGS_E_IVOR) { + env->spr[SPR_BOOKE_IVOR0] = sregs.u.e.ivor_low[0]; + kvm_sync_excp(env, POWERPC_EXCP_CRITICAL, SPR_BOOKE_IVOR0); + env->spr[SPR_BOOKE_IVOR1] = sregs.u.e.ivor_low[1]; + kvm_sync_excp(env, POWERPC_EXCP_MCHECK, SPR_BOOKE_IVOR1); + env->spr[SPR_BOOKE_IVOR2] = sregs.u.e.ivor_low[2]; + kvm_sync_excp(env, POWERPC_EXCP_DSI, SPR_BOOKE_IVOR2); + env->spr[SPR_BOOKE_IVOR3] = sregs.u.e.ivor_low[3]; + kvm_sync_excp(env, POWERPC_EXCP_ISI, SPR_BOOKE_IVOR3); + env->spr[SPR_BOOKE_IVOR4] = sregs.u.e.ivor_low[4]; + kvm_sync_excp(env, POWERPC_EXCP_EXTERNAL, SPR_BOOKE_IVOR4); + env->spr[SPR_BOOKE_IVOR5] = sregs.u.e.ivor_low[5]; + kvm_sync_excp(env, POWERPC_EXCP_ALIGN, SPR_BOOKE_IVOR5); + env->spr[SPR_BOOKE_IVOR6] = sregs.u.e.ivor_low[6]; + kvm_sync_excp(env, POWERPC_EXCP_PROGRAM, SPR_BOOKE_IVOR6); + env->spr[SPR_BOOKE_IVOR7] = sregs.u.e.ivor_low[7]; + kvm_sync_excp(env, POWERPC_EXCP_FPU, SPR_BOOKE_IVOR7); + env->spr[SPR_BOOKE_IVOR8] = sregs.u.e.ivor_low[8]; + kvm_sync_excp(env, POWERPC_EXCP_SYSCALL, SPR_BOOKE_IVOR8); + env->spr[SPR_BOOKE_IVOR9] = sregs.u.e.ivor_low[9]; + kvm_sync_excp(env, POWERPC_EXCP_APU, SPR_BOOKE_IVOR9); + env->spr[SPR_BOOKE_IVOR10] = sregs.u.e.ivor_low[10]; + kvm_sync_excp(env, POWERPC_EXCP_DECR, SPR_BOOKE_IVOR10); + env->spr[SPR_BOOKE_IVOR11] = sregs.u.e.ivor_low[11]; + kvm_sync_excp(env, POWERPC_EXCP_FIT, SPR_BOOKE_IVOR11); + env->spr[SPR_BOOKE_IVOR12] = sregs.u.e.ivor_low[12]; + kvm_sync_excp(env, POWERPC_EXCP_WDT, SPR_BOOKE_IVOR12); + env->spr[SPR_BOOKE_IVOR13] = sregs.u.e.ivor_low[13]; + kvm_sync_excp(env, POWERPC_EXCP_DTLB, SPR_BOOKE_IVOR13); + env->spr[SPR_BOOKE_IVOR14] = sregs.u.e.ivor_low[14]; + kvm_sync_excp(env, POWERPC_EXCP_ITLB, SPR_BOOKE_IVOR14); + env->spr[SPR_BOOKE_IVOR15] = sregs.u.e.ivor_low[15]; + kvm_sync_excp(env, POWERPC_EXCP_DEBUG, SPR_BOOKE_IVOR15); + + if (sregs.u.e.features & KVM_SREGS_E_SPE) { + env->spr[SPR_BOOKE_IVOR32] = sregs.u.e.ivor_high[0]; + kvm_sync_excp(env, POWERPC_EXCP_SPEU, SPR_BOOKE_IVOR32); + env->spr[SPR_BOOKE_IVOR33] = sregs.u.e.ivor_high[1]; + kvm_sync_excp(env, POWERPC_EXCP_EFPDI, SPR_BOOKE_IVOR33); + env->spr[SPR_BOOKE_IVOR34] = sregs.u.e.ivor_high[2]; + kvm_sync_excp(env, POWERPC_EXCP_EFPRI, SPR_BOOKE_IVOR34); + } + + if (sregs.u.e.features & KVM_SREGS_E_PM) { + env->spr[SPR_BOOKE_IVOR35] = sregs.u.e.ivor_high[3]; + kvm_sync_excp(env, POWERPC_EXCP_EPERFM, SPR_BOOKE_IVOR35); + } + + if (sregs.u.e.features & KVM_SREGS_E_PC) { + env->spr[SPR_BOOKE_IVOR36] = sregs.u.e.ivor_high[4]; + kvm_sync_excp(env, POWERPC_EXCP_DOORI, SPR_BOOKE_IVOR36); + env->spr[SPR_BOOKE_IVOR37] = sregs.u.e.ivor_high[5]; + kvm_sync_excp(env, POWERPC_EXCP_DOORCI, SPR_BOOKE_IVOR37); + } + } + + if (sregs.u.e.features & KVM_SREGS_E_ARCH206_MMU) { + env->spr[SPR_BOOKE_MAS0] = sregs.u.e.mas0; + env->spr[SPR_BOOKE_MAS1] = sregs.u.e.mas1; + env->spr[SPR_BOOKE_MAS2] = sregs.u.e.mas2; + env->spr[SPR_BOOKE_MAS3] = sregs.u.e.mas7_3 & 0xffffffff; + env->spr[SPR_BOOKE_MAS4] = sregs.u.e.mas4; + env->spr[SPR_BOOKE_MAS6] = sregs.u.e.mas6; + env->spr[SPR_BOOKE_MAS7] = sregs.u.e.mas7_3 >> 32; + env->spr[SPR_MMUCFG] = sregs.u.e.mmucfg; + env->spr[SPR_BOOKE_TLB0CFG] = sregs.u.e.tlbcfg[0]; + env->spr[SPR_BOOKE_TLB1CFG] = sregs.u.e.tlbcfg[1]; + } + + if (sregs.u.e.features & KVM_SREGS_EXP) { + env->spr[SPR_BOOKE_EPR] = sregs.u.e.epr; + } + + if (sregs.u.e.features & KVM_SREGS_E_PD) { + env->spr[SPR_BOOKE_EPLC] = sregs.u.e.eplc; + env->spr[SPR_BOOKE_EPSC] = sregs.u.e.epsc; + } + + if (sregs.u.e.impl_id == KVM_SREGS_E_IMPL_FSL) { + env->spr[SPR_E500_SVR] = sregs.u.e.impl.fsl.svr; + env->spr[SPR_Exxx_MCAR] = sregs.u.e.impl.fsl.mcar; + env->spr[SPR_HID0] = sregs.u.e.impl.fsl.hid0; + + if (sregs.u.e.impl.fsl.features & KVM_SREGS_E_FSL_PIDn) { + env->spr[SPR_BOOKE_PID1] = sregs.u.e.impl.fsl.pid1; + env->spr[SPR_BOOKE_PID2] = sregs.u.e.impl.fsl.pid2; + } + } + + return 0; +} + +static int kvmppc_get_books_sregs(PowerPCCPU *cpu) +{ + CPUPPCState *env = &cpu->env; + struct kvm_sregs sregs; + int ret; + int i; + + ret = kvm_vcpu_ioctl(CPU(cpu), KVM_GET_SREGS, &sregs); + if (ret < 0) { + return ret; + } + + if (!env->external_htab) { + ppc_store_sdr1(env, sregs.u.s.sdr1); + } + + /* Sync SLB */ +#ifdef TARGET_PPC64 + /* + * The packed SLB array we get from KVM_GET_SREGS only contains + * information about valid entries. So we flush our internal copy + * to get rid of stale ones, then put all valid SLB entries back + * in. + */ + memset(env->slb, 0, sizeof(env->slb)); + for (i = 0; i < ARRAY_SIZE(env->slb); i++) { + target_ulong rb = sregs.u.s.ppc64.slb[i].slbe; + target_ulong rs = sregs.u.s.ppc64.slb[i].slbv; + /* + * Only restore valid entries + */ + if (rb & SLB_ESID_V) { + ppc_store_slb(cpu, rb & 0xfff, rb & ~0xfffULL, rs); + } + } +#endif + + /* Sync SRs */ + for (i = 0; i < 16; i++) { + env->sr[i] = sregs.u.s.ppc32.sr[i]; + } + + /* Sync BATs */ + for (i = 0; i < 8; i++) { + env->DBAT[0][i] = sregs.u.s.ppc32.dbat[i] & 0xffffffff; + env->DBAT[1][i] = sregs.u.s.ppc32.dbat[i] >> 32; + env->IBAT[0][i] = sregs.u.s.ppc32.ibat[i] & 0xffffffff; + env->IBAT[1][i] = sregs.u.s.ppc32.ibat[i] >> 32; + } + + return 0; +} + int kvm_arch_get_registers(CPUState *cs) { PowerPCCPU *cpu = POWERPC_CPU(cs); CPUPPCState *env = &cpu->env; struct kvm_regs regs; - struct kvm_sregs sregs; uint32_t cr; int i, ret; @@ -1033,174 +1258,17 @@ int kvm_arch_get_registers(CPUState *cs) kvm_get_fp(cs); if (cap_booke_sregs) { - ret = kvm_vcpu_ioctl(cs, KVM_GET_SREGS, &sregs); + ret = kvmppc_get_booke_sregs(cpu); if (ret < 0) { return ret; } - - if (sregs.u.e.features & KVM_SREGS_E_BASE) { - env->spr[SPR_BOOKE_CSRR0] = sregs.u.e.csrr0; - env->spr[SPR_BOOKE_CSRR1] = sregs.u.e.csrr1; - env->spr[SPR_BOOKE_ESR] = sregs.u.e.esr; - env->spr[SPR_BOOKE_DEAR] = sregs.u.e.dear; - env->spr[SPR_BOOKE_MCSR] = sregs.u.e.mcsr; - env->spr[SPR_BOOKE_TSR] = sregs.u.e.tsr; - env->spr[SPR_BOOKE_TCR] = sregs.u.e.tcr; - env->spr[SPR_DECR] = sregs.u.e.dec; - env->spr[SPR_TBL] = sregs.u.e.tb & 0xffffffff; - env->spr[SPR_TBU] = sregs.u.e.tb >> 32; - env->spr[SPR_VRSAVE] = sregs.u.e.vrsave; - } - - if (sregs.u.e.features & KVM_SREGS_E_ARCH206) { - env->spr[SPR_BOOKE_PIR] = sregs.u.e.pir; - env->spr[SPR_BOOKE_MCSRR0] = sregs.u.e.mcsrr0; - env->spr[SPR_BOOKE_MCSRR1] = sregs.u.e.mcsrr1; - env->spr[SPR_BOOKE_DECAR] = sregs.u.e.decar; - env->spr[SPR_BOOKE_IVPR] = sregs.u.e.ivpr; - } - - if (sregs.u.e.features & KVM_SREGS_E_64) { - env->spr[SPR_BOOKE_EPCR] = sregs.u.e.epcr; - } - - if (sregs.u.e.features & KVM_SREGS_E_SPRG8) { - env->spr[SPR_BOOKE_SPRG8] = sregs.u.e.sprg8; - } - - if (sregs.u.e.features & KVM_SREGS_E_IVOR) { - env->spr[SPR_BOOKE_IVOR0] = sregs.u.e.ivor_low[0]; - kvm_sync_excp(env, POWERPC_EXCP_CRITICAL, SPR_BOOKE_IVOR0); - env->spr[SPR_BOOKE_IVOR1] = sregs.u.e.ivor_low[1]; - kvm_sync_excp(env, POWERPC_EXCP_MCHECK, SPR_BOOKE_IVOR1); - env->spr[SPR_BOOKE_IVOR2] = sregs.u.e.ivor_low[2]; - kvm_sync_excp(env, POWERPC_EXCP_DSI, SPR_BOOKE_IVOR2); - env->spr[SPR_BOOKE_IVOR3] = sregs.u.e.ivor_low[3]; - kvm_sync_excp(env, POWERPC_EXCP_ISI, SPR_BOOKE_IVOR3); - env->spr[SPR_BOOKE_IVOR4] = sregs.u.e.ivor_low[4]; - kvm_sync_excp(env, POWERPC_EXCP_EXTERNAL, SPR_BOOKE_IVOR4); - env->spr[SPR_BOOKE_IVOR5] = sregs.u.e.ivor_low[5]; - kvm_sync_excp(env, POWERPC_EXCP_ALIGN, SPR_BOOKE_IVOR5); - env->spr[SPR_BOOKE_IVOR6] = sregs.u.e.ivor_low[6]; - kvm_sync_excp(env, POWERPC_EXCP_PROGRAM, SPR_BOOKE_IVOR6); - env->spr[SPR_BOOKE_IVOR7] = sregs.u.e.ivor_low[7]; - kvm_sync_excp(env, POWERPC_EXCP_FPU, SPR_BOOKE_IVOR7); - env->spr[SPR_BOOKE_IVOR8] = sregs.u.e.ivor_low[8]; - kvm_sync_excp(env, POWERPC_EXCP_SYSCALL, SPR_BOOKE_IVOR8); - env->spr[SPR_BOOKE_IVOR9] = sregs.u.e.ivor_low[9]; - kvm_sync_excp(env, POWERPC_EXCP_APU, SPR_BOOKE_IVOR9); - env->spr[SPR_BOOKE_IVOR10] = sregs.u.e.ivor_low[10]; - kvm_sync_excp(env, POWERPC_EXCP_DECR, SPR_BOOKE_IVOR10); - env->spr[SPR_BOOKE_IVOR11] = sregs.u.e.ivor_low[11]; - kvm_sync_excp(env, POWERPC_EXCP_FIT, SPR_BOOKE_IVOR11); - env->spr[SPR_BOOKE_IVOR12] = sregs.u.e.ivor_low[12]; - kvm_sync_excp(env, POWERPC_EXCP_WDT, SPR_BOOKE_IVOR12); - env->spr[SPR_BOOKE_IVOR13] = sregs.u.e.ivor_low[13]; - kvm_sync_excp(env, POWERPC_EXCP_DTLB, SPR_BOOKE_IVOR13); - env->spr[SPR_BOOKE_IVOR14] = sregs.u.e.ivor_low[14]; - kvm_sync_excp(env, POWERPC_EXCP_ITLB, SPR_BOOKE_IVOR14); - env->spr[SPR_BOOKE_IVOR15] = sregs.u.e.ivor_low[15]; - kvm_sync_excp(env, POWERPC_EXCP_DEBUG, SPR_BOOKE_IVOR15); - - if (sregs.u.e.features & KVM_SREGS_E_SPE) { - env->spr[SPR_BOOKE_IVOR32] = sregs.u.e.ivor_high[0]; - kvm_sync_excp(env, POWERPC_EXCP_SPEU, SPR_BOOKE_IVOR32); - env->spr[SPR_BOOKE_IVOR33] = sregs.u.e.ivor_high[1]; - kvm_sync_excp(env, POWERPC_EXCP_EFPDI, SPR_BOOKE_IVOR33); - env->spr[SPR_BOOKE_IVOR34] = sregs.u.e.ivor_high[2]; - kvm_sync_excp(env, POWERPC_EXCP_EFPRI, SPR_BOOKE_IVOR34); - } - - if (sregs.u.e.features & KVM_SREGS_E_PM) { - env->spr[SPR_BOOKE_IVOR35] = sregs.u.e.ivor_high[3]; - kvm_sync_excp(env, POWERPC_EXCP_EPERFM, SPR_BOOKE_IVOR35); - } - - if (sregs.u.e.features & KVM_SREGS_E_PC) { - env->spr[SPR_BOOKE_IVOR36] = sregs.u.e.ivor_high[4]; - kvm_sync_excp(env, POWERPC_EXCP_DOORI, SPR_BOOKE_IVOR36); - env->spr[SPR_BOOKE_IVOR37] = sregs.u.e.ivor_high[5]; - kvm_sync_excp(env, POWERPC_EXCP_DOORCI, SPR_BOOKE_IVOR37); - } - } - - if (sregs.u.e.features & KVM_SREGS_E_ARCH206_MMU) { - env->spr[SPR_BOOKE_MAS0] = sregs.u.e.mas0; - env->spr[SPR_BOOKE_MAS1] = sregs.u.e.mas1; - env->spr[SPR_BOOKE_MAS2] = sregs.u.e.mas2; - env->spr[SPR_BOOKE_MAS3] = sregs.u.e.mas7_3 & 0xffffffff; - env->spr[SPR_BOOKE_MAS4] = sregs.u.e.mas4; - env->spr[SPR_BOOKE_MAS6] = sregs.u.e.mas6; - env->spr[SPR_BOOKE_MAS7] = sregs.u.e.mas7_3 >> 32; - env->spr[SPR_MMUCFG] = sregs.u.e.mmucfg; - env->spr[SPR_BOOKE_TLB0CFG] = sregs.u.e.tlbcfg[0]; - env->spr[SPR_BOOKE_TLB1CFG] = sregs.u.e.tlbcfg[1]; - } - - if (sregs.u.e.features & KVM_SREGS_EXP) { - env->spr[SPR_BOOKE_EPR] = sregs.u.e.epr; - } - - if (sregs.u.e.features & KVM_SREGS_E_PD) { - env->spr[SPR_BOOKE_EPLC] = sregs.u.e.eplc; - env->spr[SPR_BOOKE_EPSC] = sregs.u.e.epsc; - } - - if (sregs.u.e.impl_id == KVM_SREGS_E_IMPL_FSL) { - env->spr[SPR_E500_SVR] = sregs.u.e.impl.fsl.svr; - env->spr[SPR_Exxx_MCAR] = sregs.u.e.impl.fsl.mcar; - env->spr[SPR_HID0] = sregs.u.e.impl.fsl.hid0; - - if (sregs.u.e.impl.fsl.features & KVM_SREGS_E_FSL_PIDn) { - env->spr[SPR_BOOKE_PID1] = sregs.u.e.impl.fsl.pid1; - env->spr[SPR_BOOKE_PID2] = sregs.u.e.impl.fsl.pid2; - } - } } if (cap_segstate) { - ret = kvm_vcpu_ioctl(cs, KVM_GET_SREGS, &sregs); + ret = kvmppc_get_books_sregs(cpu); if (ret < 0) { return ret; } - - if (!env->external_htab) { - ppc_store_sdr1(env, sregs.u.s.sdr1); - } - - /* Sync SLB */ -#ifdef TARGET_PPC64 - /* - * The packed SLB array we get from KVM_GET_SREGS only contains - * information about valid entries. So we flush our internal - * copy to get rid of stale ones, then put all valid SLB entries - * back in. - */ - memset(env->slb, 0, sizeof(env->slb)); - for (i = 0; i < ARRAY_SIZE(env->slb); i++) { - target_ulong rb = sregs.u.s.ppc64.slb[i].slbe; - target_ulong rs = sregs.u.s.ppc64.slb[i].slbv; - /* - * Only restore valid entries - */ - if (rb & SLB_ESID_V) { - ppc_store_slb(env, rb, rs); - } - } -#endif - - /* Sync SRs */ - for (i = 0; i < 16; i++) { - env->sr[i] = sregs.u.s.ppc32.sr[i]; - } - - /* Sync BATs */ - for (i = 0; i < 8; i++) { - env->DBAT[0][i] = sregs.u.s.ppc32.dbat[i] & 0xffffffff; - env->DBAT[1][i] = sregs.u.s.ppc32.dbat[i] >> 32; - env->IBAT[0][i] = sregs.u.s.ppc32.ibat[i] & 0xffffffff; - env->IBAT[1][i] = sregs.u.s.ppc32.ibat[i] >> 32; - } } if (cap_hior) { @@ -1310,7 +1378,7 @@ void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run) /* Always wake up soon in case the interrupt was level based */ timer_mod(idle_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + - (get_ticks_per_sec() / 50)); + (NANOSECONDS_PER_SECOND / 50)); } /* We don't know if there are more interrupts pending after this. However, @@ -1770,7 +1838,7 @@ uint32_t kvmppc_get_tbfreq(void) { char line[512]; char *ns; - uint32_t retval = get_ticks_per_sec(); + uint32_t retval = NANOSECONDS_PER_SECOND; if (read_cpuinfo("timebase", line, sizeof(line))) { return retval; @@ -1782,8 +1850,7 @@ uint32_t kvmppc_get_tbfreq(void) ns++; - retval = atoi(ns); - return retval; + return atoi(ns); } bool kvmppc_get_host_serial(char **value) @@ -1830,13 +1897,8 @@ static int kvmppc_find_cpu_dt(char *buf, int buf_len) return 0; } -/* Read a CPU node property from the host device tree that's a single - * integer (32-bit or 64-bit). Returns 0 if anything goes wrong - * (can't find or open the property, or doesn't understand the - * format) */ -static uint64_t kvmppc_read_int_cpu_dt(const char *propname) +static uint64_t kvmppc_read_int_dt(const char *filename) { - char buf[PATH_MAX], *tmp; union { uint32_t v32; uint64_t v64; @@ -1844,14 +1906,7 @@ static uint64_t kvmppc_read_int_cpu_dt(const char *propname) FILE *f; int len; - if (kvmppc_find_cpu_dt(buf, sizeof(buf))) { - return -1; - } - - tmp = g_strdup_printf("%s/%s", buf, propname); - - f = fopen(tmp, "rb"); - g_free(tmp); + f = fopen(filename, "rb"); if (!f) { return -1; } @@ -1869,6 +1924,26 @@ static uint64_t kvmppc_read_int_cpu_dt(const char *propname) return 0; } +/* Read a CPU node property from the host device tree that's a single + * integer (32-bit or 64-bit). Returns 0 if anything goes wrong + * (can't find or open the property, or doesn't understand the + * format) */ +static uint64_t kvmppc_read_int_cpu_dt(const char *propname) +{ + char buf[PATH_MAX], *tmp; + uint64_t val; + + if (kvmppc_find_cpu_dt(buf, sizeof(buf))) { + return -1; + } + + tmp = g_strdup_printf("%s/%s", buf, propname); + val = kvmppc_read_int_dt(tmp); + g_free(tmp); + + return val; +} + uint64_t kvmppc_get_clockfreq(void) { return kvmppc_read_int_cpu_dt("clock-frequency"); @@ -1933,7 +2008,7 @@ int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len) hc[2] = cpu_to_be32(0x48000008); hc[3] = cpu_to_be32(bswap32(0x3860ffff)); - return 0; + return 1; } static inline int kvmppc_enable_hcall(KVMState *s, target_ulong hcall) @@ -1953,6 +2028,11 @@ void kvmppc_enable_logical_ci_hcalls(void) kvmppc_enable_hcall(kvm_state, H_LOGICAL_CI_STORE); } +void kvmppc_enable_set_mode_hcall(void) +{ + kvmppc_enable_hcall(kvm_state, H_SET_MODE); +} + void kvmppc_set_papr(PowerPCCPU *cpu) { CPUState *cs = CPU(cpu); @@ -1960,7 +2040,8 @@ void kvmppc_set_papr(PowerPCCPU *cpu) ret = kvm_vcpu_enable_cap(cs, KVM_CAP_PPC_PAPR, 0); if (ret) { - cpu_abort(cs, "This KVM version does not support PAPR\n"); + error_report("This vCPU type or KVM version does not support PAPR"); + exit(1); } /* Update the capability flag so we sync the right information @@ -1980,7 +2061,8 @@ void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy) ret = kvm_vcpu_enable_cap(cs, KVM_CAP_PPC_EPR, 0, mpic_proxy); if (ret && mpic_proxy) { - cpu_abort(cs, "This KVM version does not support EPR\n"); + error_report("This KVM version does not support EPR"); + exit(1); } } @@ -2066,7 +2148,7 @@ bool kvmppc_spapr_use_multitce(void) } void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd, - bool vfio_accel) + bool need_vfio) { struct kvm_create_spapr_tce args = { .liobn = liobn, @@ -2080,7 +2162,7 @@ void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd, * destroying the table, which the upper layers -will- do */ *pfd = -1; - if (!cap_spapr_tce || (vfio_accel && !cap_spapr_vfio)) { + if (!cap_spapr_tce || (need_vfio && !cap_spapr_vfio)) { return NULL; } @@ -2188,6 +2270,7 @@ static void kvmppc_host_cpu_initfn(Object *obj) static void kvmppc_host_cpu_class_init(ObjectClass *oc, void *data) { + DeviceClass *dc = DEVICE_CLASS(oc); PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc); uint32_t vmx = kvmppc_get_vmx(); uint32_t dfp = kvmppc_get_dfp(); @@ -2214,6 +2297,9 @@ static void kvmppc_host_cpu_class_init(ObjectClass *oc, void *data) if (icache_size != -1) { pcc->l1_icache_size = icache_size; } + + /* Reason: kvmppc_host_cpu_initfn() dies when !kvm_enabled() */ + dc->cannot_destroy_with_object_finalize_yet = true; } bool kvmppc_has_cap_epr(void) @@ -2475,7 +2561,7 @@ error_out: } int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, - uint64_t address, uint32_t data) + uint64_t address, uint32_t data, PCIDevice *dev) { return 0; } @@ -2484,3 +2570,12 @@ int kvm_arch_msi_data_to_gsi(uint32_t data) { return data & 0xffff; } + +int kvmppc_enable_hwrng(void) +{ + if (!kvm_enabled() || !kvm_check_extension(kvm_state, KVM_CAP_PPC_HWRNG)) { + return -1; + } + + return kvmppc_enable_hcall(kvm_state, H_RANDOM); +} diff --git a/qemu/target-ppc/kvm_ppc.c b/qemu/target-ppc/kvm_ppc.c deleted file mode 100644 index f769acd44..000000000 --- a/qemu/target-ppc/kvm_ppc.c +++ /dev/null @@ -1,41 +0,0 @@ -/* - * PowerPC KVM support - * - * Copyright IBM Corp. 2008 - * - * Authors: - * Hollis Blanchard <hollisb@us.ibm.com> - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - * - */ - -#include "qemu-common.h" -#include "qemu/timer.h" -#include "kvm_ppc.h" -#include "sysemu/device_tree.h" -#include "qemu/main-loop.h" - -#define PROC_DEVTREE_PATH "/proc/device-tree" - -static QEMUTimer *kvmppc_timer; -static unsigned int kvmppc_timer_rate; - -static void kvmppc_timer_hack(void *opaque) -{ - qemu_notify_event(); - timer_mod(kvmppc_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + kvmppc_timer_rate); -} - -void kvmppc_init(void) -{ - /* XXX The only reason KVM yields control back to qemu is device IO. Since - * an idle guest does no IO, qemu's device model will never get a chance to - * run. So, until QEMU gains IO threads, we create this timer to ensure - * that the device model gets a chance to run. */ - kvmppc_timer_rate = get_ticks_per_sec() / 10; - kvmppc_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &kvmppc_timer_hack, NULL); - timer_mod(kvmppc_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + kvmppc_timer_rate); -} - diff --git a/qemu/target-ppc/kvm_ppc.h b/qemu/target-ppc/kvm_ppc.h index 4d30e2795..fc7931227 100644 --- a/qemu/target-ppc/kvm_ppc.h +++ b/qemu/target-ppc/kvm_ppc.h @@ -11,8 +11,6 @@ #define TYPE_HOST_POWERPC_CPU "host-" TYPE_POWERPC_CPU -void kvmppc_init(void); - #ifdef CONFIG_KVM uint32_t kvmppc_get_tbfreq(void); @@ -25,6 +23,7 @@ int kvmppc_get_hasidle(CPUPPCState *env); int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len); int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level); void kvmppc_enable_logical_ci_hcalls(void); +void kvmppc_enable_set_mode_hcall(void); void kvmppc_set_papr(PowerPCCPU *cpu); int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version); void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy); @@ -37,7 +36,7 @@ int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu); off_t kvmppc_alloc_rma(void **rma); bool kvmppc_spapr_use_multitce(void); void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd, - bool vfio_accel); + bool need_vfio); int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size); int kvmppc_reset_htab(int shift_hint); uint64_t kvmppc_rma_size(uint64_t current_size, unsigned int hash_shift); @@ -55,6 +54,8 @@ void kvmppc_hash64_free_pteg(uint64_t token); void kvmppc_hash64_write_pte(CPUPPCState *env, target_ulong pte_index, target_ulong pte0, target_ulong pte1); bool kvmppc_has_cap_fixup_hcalls(void); +int kvmppc_enable_hwrng(void); +int kvmppc_put_books_sregs(PowerPCCPU *cpu); #else @@ -98,17 +99,16 @@ static inline int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_l return -1; } -static inline int kvmppc_read_segment_page_sizes(uint32_t *prop, int maxcells) +static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level) { return -1; } -static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level) +static inline void kvmppc_enable_logical_ci_hcalls(void) { - return -1; } -static inline void kvmppc_enable_logical_ci_hcalls(void) +static inline void kvmppc_enable_set_mode_hcall(void) { } @@ -176,7 +176,7 @@ static inline int kvmppc_remove_spapr_tce(void *table, int pfd, static inline int kvmppc_reset_htab(int shift_hint) { - return -1; + return 0; } static inline uint64_t kvmppc_rma_size(uint64_t current_size, @@ -185,11 +185,6 @@ static inline uint64_t kvmppc_rma_size(uint64_t current_size, return ram_size; } -static inline int kvmppc_update_sdr1(CPUPPCState *env) -{ - return 0; -} - #endif /* !CONFIG_USER_ONLY */ static inline bool kvmppc_has_cap_epr(void) @@ -248,18 +243,59 @@ static inline bool kvmppc_has_cap_fixup_hcalls(void) abort(); } +static inline int kvmppc_enable_hwrng(void) +{ + return -1; +} + +static inline int kvmppc_put_books_sregs(PowerPCCPU *cpu) +{ + abort(); +} #endif #ifndef CONFIG_KVM + #define kvmppc_eieio() do { } while (0) -#else + +static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len) +{ +} + +static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len) +{ +} + +#else /* CONFIG_KVM */ + #define kvmppc_eieio() \ do { \ if (kvm_enabled()) { \ asm volatile("eieio" : : : "memory"); \ } \ } while (0) -#endif + +/* Store data cache blocks back to memory */ +static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len) +{ + uint8_t *p; + + for (p = addr; p < addr + len; p += cpu->env.dcache_line_size) { + asm volatile("dcbst 0,%0" : : "r"(p) : "memory"); + } +} + +/* Invalidate instruction cache blocks */ +static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len) +{ + uint8_t *p; + + for (p = addr; p < addr + len; p += cpu->env.icache_line_size) { + asm volatile("icbi 0,%0" : : "r"(p)); + } +} + +#endif /* CONFIG_KVM */ #ifndef KVM_INTERRUPT_SET #define KVM_INTERRUPT_SET -1 diff --git a/qemu/target-ppc/machine.c b/qemu/target-ppc/machine.c index f4ac7611d..46684fb93 100644 --- a/qemu/target-ppc/machine.c +++ b/qemu/target-ppc/machine.c @@ -1,7 +1,9 @@ +#include "qemu/osdep.h" #include "hw/hw.h" #include "hw/boards.h" #include "sysemu/kvm.h" #include "helper_regs.h" +#include "mmu-hash64.h" static int cpu_load_old(QEMUFile *f, void *opaque, int version_id) { @@ -134,7 +136,7 @@ static void cpu_pre_save(void *opaque) env->spr[SPR_LR] = env->lr; env->spr[SPR_CTR] = env->ctr; - env->spr[SPR_XER] = env->xer; + env->spr[SPR_XER] = cpu_read_xer(env); #if defined(TARGET_PPC64) env->spr[SPR_CFAR] = env->cfar; #endif @@ -168,7 +170,7 @@ static int cpu_post_load(void *opaque, int version_id) env->spr[SPR_PVR] = env->spr_cb[SPR_PVR].default_value; env->lr = env->spr[SPR_LR]; env->ctr = env->spr[SPR_CTR]; - env->xer = env->spr[SPR_XER]; + cpu_write_xer(env, env->spr[SPR_XER]); #if defined(TARGET_PPC64) env->cfar = env->spr[SPR_CFAR]; #endif @@ -352,11 +354,30 @@ static bool slb_needed(void *opaque) return (cpu->env.mmu_model & POWERPC_MMU_64); } +static int slb_post_load(void *opaque, int version_id) +{ + PowerPCCPU *cpu = opaque; + CPUPPCState *env = &cpu->env; + int i; + + /* We've pulled in the raw esid and vsid values from the migration + * stream, but we need to recompute the page size pointers */ + for (i = 0; i < env->slb_nr; i++) { + if (ppc_store_slb(cpu, i, env->slb[i].esid, env->slb[i].vsid) < 0) { + /* Migration source had bad values in its SLB */ + return -1; + } + } + + return 0; +} + static const VMStateDescription vmstate_slb = { .name = "cpu/slb", .version_id = 1, .minimum_version_id = 1, .needed = slb_needed, + .post_load = slb_post_load, .fields = (VMStateField[]) { VMSTATE_INT32_EQUAL(env.slb_nr, PowerPCCPU), VMSTATE_SLB_ARRAY(env.slb, PowerPCCPU, MAX_SLB_ENTRIES), diff --git a/qemu/target-ppc/mem_helper.c b/qemu/target-ppc/mem_helper.c index 6d37dae7b..6d584c912 100644 --- a/qemu/target-ppc/mem_helper.c +++ b/qemu/target-ppc/mem_helper.c @@ -16,6 +16,7 @@ * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" #include "cpu.h" #include "qemu/host-utils.h" #include "exec/helper-proto.h" @@ -100,8 +101,10 @@ void helper_lswx(CPUPPCState *env, target_ulong addr, uint32_t reg, uint32_t ra, uint32_t rb) { if (likely(xer_bc != 0)) { - if (unlikely((ra != 0 && reg < ra && (reg + xer_bc) > ra) || - (reg < rb && (reg + xer_bc) > rb))) { + int num_used_regs = (xer_bc + 3) / 4; + if (unlikely((ra != 0 && lsw_reg_in_range(reg, num_used_regs, ra)) || + lsw_reg_in_range(reg, num_used_regs, rb))) { + env->nip += 4; /* Compensate the "nip - 4" from gen_lswx() */ helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_LSWX); diff --git a/qemu/target-ppc/mfrom_table_gen.c b/qemu/target-ppc/mfrom_table_gen.c index a140ded47..631791808 100644 --- a/qemu/target-ppc/mfrom_table_gen.c +++ b/qemu/target-ppc/mfrom_table_gen.c @@ -1,6 +1,5 @@ #define _GNU_SOURCE -#include <stdint.h> -#include <stdio.h> +#include "qemu/osdep.h" #include <math.h> int main (void) diff --git a/qemu/target-ppc/misc_helper.c b/qemu/target-ppc/misc_helper.c index 6b12ca86a..73e3b0583 100644 --- a/qemu/target-ppc/misc_helper.c +++ b/qemu/target-ppc/misc_helper.c @@ -16,6 +16,7 @@ * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" #include "cpu.h" #include "exec/helper-proto.h" diff --git a/qemu/target-ppc/mmu-hash32.c b/qemu/target-ppc/mmu-hash32.c index dfee358d6..39abb2fd3 100644 --- a/qemu/target-ppc/mmu-hash32.c +++ b/qemu/target-ppc/mmu-hash32.c @@ -18,23 +18,18 @@ * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" #include "cpu.h" #include "exec/helper-proto.h" #include "sysemu/kvm.h" #include "kvm_ppc.h" #include "mmu-hash32.h" +#include "exec/log.h" -//#define DEBUG_MMU //#define DEBUG_BAT -#ifdef DEBUG_MMU -# define LOG_MMU_STATE(cpu) log_cpu_state((cpu), 0) -#else -# define LOG_MMU_STATE(cpu) do { } while (0) -#endif - #ifdef DEBUG_BATS -# define LOG_BATS(...) qemu_log(__VA_ARGS__) +# define LOG_BATS(...) qemu_log_mask(CPU_LOG_MMU, __VA_ARGS__) #else # define LOG_BATS(...) do { } while (0) #endif @@ -90,9 +85,10 @@ static int ppc_hash32_pp_prot(int key, int pp, int nx) return prot; } -static int ppc_hash32_pte_prot(CPUPPCState *env, +static int ppc_hash32_pte_prot(PowerPCCPU *cpu, target_ulong sr, ppc_hash_pte32_t pte) { + CPUPPCState *env = &cpu->env; unsigned pp, key; key = !!(msr_pr ? (sr & SR32_KP) : (sr & SR32_KS)); @@ -101,9 +97,11 @@ static int ppc_hash32_pte_prot(CPUPPCState *env, return ppc_hash32_pp_prot(key, pp, !!(sr & SR32_NX)); } -static target_ulong hash32_bat_size(CPUPPCState *env, +static target_ulong hash32_bat_size(PowerPCCPU *cpu, target_ulong batu, target_ulong batl) { + CPUPPCState *env = &cpu->env; + if ((msr_pr && !(batu & BATU32_VP)) || (!msr_pr && !(batu & BATU32_VS))) { return 0; @@ -112,7 +110,7 @@ static target_ulong hash32_bat_size(CPUPPCState *env, return BATU32_BEPI & ~((batu & BATU32_BL) << 15); } -static int hash32_bat_prot(CPUPPCState *env, +static int hash32_bat_prot(PowerPCCPU *cpu, target_ulong batu, target_ulong batl) { int pp, prot; @@ -128,7 +126,7 @@ static int hash32_bat_prot(CPUPPCState *env, return prot; } -static target_ulong hash32_bat_601_size(CPUPPCState *env, +static target_ulong hash32_bat_601_size(PowerPCCPU *cpu, target_ulong batu, target_ulong batl) { if (!(batl & BATL32_601_V)) { @@ -138,9 +136,10 @@ static target_ulong hash32_bat_601_size(CPUPPCState *env, return BATU32_BEPI & ~((batl & BATL32_601_BL) << 17); } -static int hash32_bat_601_prot(CPUPPCState *env, +static int hash32_bat_601_prot(PowerPCCPU *cpu, target_ulong batu, target_ulong batl) { + CPUPPCState *env = &cpu->env; int key, pp; pp = batu & BATU32_601_PP; @@ -152,9 +151,10 @@ static int hash32_bat_601_prot(CPUPPCState *env, return ppc_hash32_pp_prot(key, pp, 0); } -static hwaddr ppc_hash32_bat_lookup(CPUPPCState *env, target_ulong ea, int rwx, +static hwaddr ppc_hash32_bat_lookup(PowerPCCPU *cpu, target_ulong ea, int rwx, int *prot) { + CPUPPCState *env = &cpu->env; target_ulong *BATlt, *BATut; int i; @@ -173,9 +173,9 @@ static hwaddr ppc_hash32_bat_lookup(CPUPPCState *env, target_ulong ea, int rwx, target_ulong mask; if (unlikely(env->mmu_model == POWERPC_MMU_601)) { - mask = hash32_bat_601_size(env, batu, batl); + mask = hash32_bat_601_size(cpu, batu, batl); } else { - mask = hash32_bat_size(env, batu, batl); + mask = hash32_bat_size(cpu, batu, batl); } LOG_BATS("%s: %cBAT%d v " TARGET_FMT_lx " BATu " TARGET_FMT_lx " BATl " TARGET_FMT_lx "\n", __func__, @@ -185,9 +185,9 @@ static hwaddr ppc_hash32_bat_lookup(CPUPPCState *env, target_ulong ea, int rwx, hwaddr raddr = (batl & mask) | (ea & ~mask); if (unlikely(env->mmu_model == POWERPC_MMU_601)) { - *prot = hash32_bat_601_prot(env, batu, batl); + *prot = hash32_bat_601_prot(cpu, batu, batl); } else { - *prot = hash32_bat_prot(env, batu, batl); + *prot = hash32_bat_prot(cpu, batu, batl); } return raddr & TARGET_PAGE_MASK; @@ -216,11 +216,12 @@ static hwaddr ppc_hash32_bat_lookup(CPUPPCState *env, target_ulong ea, int rwx, return -1; } -static int ppc_hash32_direct_store(CPUPPCState *env, target_ulong sr, +static int ppc_hash32_direct_store(PowerPCCPU *cpu, target_ulong sr, target_ulong eaddr, int rwx, hwaddr *raddr, int *prot) { - CPUState *cs = CPU(ppc_env_get_cpu(env)); + CPUState *cs = CPU(cpu); + CPUPPCState *env = &cpu->env; int key = !!(msr_pr ? (sr & SR32_KP) : (sr & SR32_KS)); qemu_log_mask(CPU_LOG_MMU, "direct store...\n"); @@ -281,9 +282,8 @@ static int ppc_hash32_direct_store(CPUPPCState *env, target_ulong sr, } return 1; default: - qemu_log("ERROR: instruction should not need " + cpu_abort(cs, "ERROR: instruction should not need " "address translation\n"); - abort(); } if ((rwx == 1 || key != 1) && (rwx == 0 || key != 0)) { *raddr = eaddr; @@ -301,12 +301,14 @@ static int ppc_hash32_direct_store(CPUPPCState *env, target_ulong sr, } } -hwaddr get_pteg_offset32(CPUPPCState *env, hwaddr hash) +hwaddr get_pteg_offset32(PowerPCCPU *cpu, hwaddr hash) { + CPUPPCState *env = &cpu->env; + return (hash * HASH_PTEG_SIZE_32) & env->htab_mask; } -static hwaddr ppc_hash32_pteg_search(CPUPPCState *env, hwaddr pteg_off, +static hwaddr ppc_hash32_pteg_search(PowerPCCPU *cpu, hwaddr pteg_off, bool secondary, target_ulong ptem, ppc_hash_pte32_t *pte) { @@ -315,8 +317,8 @@ static hwaddr ppc_hash32_pteg_search(CPUPPCState *env, hwaddr pteg_off, int i; for (i = 0; i < HPTES_PER_GROUP; i++) { - pte0 = ppc_hash32_load_hpte0(env, pte_offset); - pte1 = ppc_hash32_load_hpte1(env, pte_offset); + pte0 = ppc_hash32_load_hpte0(cpu, pte_offset); + pte1 = ppc_hash32_load_hpte1(cpu, pte_offset); if ((pte0 & HPTE32_V_VALID) && (secondary == !!(pte0 & HPTE32_V_SECONDARY)) @@ -332,10 +334,11 @@ static hwaddr ppc_hash32_pteg_search(CPUPPCState *env, hwaddr pteg_off, return -1; } -static hwaddr ppc_hash32_htab_lookup(CPUPPCState *env, +static hwaddr ppc_hash32_htab_lookup(PowerPCCPU *cpu, target_ulong sr, target_ulong eaddr, ppc_hash_pte32_t *pte) { + CPUPPCState *env = &cpu->env; hwaddr pteg_off, pte_offset; hwaddr hash; uint32_t vsid, pgidx, ptem; @@ -356,16 +359,16 @@ static hwaddr ppc_hash32_htab_lookup(CPUPPCState *env, " vsid=%" PRIx32 " ptem=%" PRIx32 " hash=" TARGET_FMT_plx "\n", env->htab_base, env->htab_mask, vsid, ptem, hash); - pteg_off = get_pteg_offset32(env, hash); - pte_offset = ppc_hash32_pteg_search(env, pteg_off, 0, ptem, pte); + pteg_off = get_pteg_offset32(cpu, hash); + pte_offset = ppc_hash32_pteg_search(cpu, pteg_off, 0, ptem, pte); if (pte_offset == -1) { /* Secondary PTEG lookup */ qemu_log_mask(CPU_LOG_MMU, "1 htab=" TARGET_FMT_plx "/" TARGET_FMT_plx " vsid=%" PRIx32 " api=%" PRIx32 " hash=" TARGET_FMT_plx "\n", env->htab_base, env->htab_mask, vsid, ptem, ~hash); - pteg_off = get_pteg_offset32(env, ~hash); - pte_offset = ppc_hash32_pteg_search(env, pteg_off, 1, ptem, pte); + pteg_off = get_pteg_offset32(cpu, ~hash); + pte_offset = ppc_hash32_pteg_search(cpu, pteg_off, 1, ptem, pte); } return pte_offset; @@ -407,7 +410,7 @@ int ppc_hash32_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, int rwx, /* 2. Check Block Address Translation entries (BATs) */ if (env->nb_BATs != 0) { - raddr = ppc_hash32_bat_lookup(env, eaddr, rwx, &prot); + raddr = ppc_hash32_bat_lookup(cpu, eaddr, rwx, &prot); if (raddr != -1) { if (need_prot[rwx] & ~prot) { if (rwx == 2) { @@ -438,7 +441,7 @@ int ppc_hash32_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, int rwx, /* 4. Handle direct store segments */ if (sr & SR32_T) { - if (ppc_hash32_direct_store(env, sr, eaddr, rwx, + if (ppc_hash32_direct_store(cpu, sr, eaddr, rwx, &raddr, &prot) == 0) { tlb_set_page(cs, eaddr & TARGET_PAGE_MASK, raddr & TARGET_PAGE_MASK, prot, mmu_idx, @@ -457,7 +460,7 @@ int ppc_hash32_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, int rwx, } /* 6. Locate the PTE in the hash table */ - pte_offset = ppc_hash32_htab_lookup(env, sr, eaddr, &pte); + pte_offset = ppc_hash32_htab_lookup(cpu, sr, eaddr, &pte); if (pte_offset == -1) { if (rwx == 2) { cs->exception_index = POWERPC_EXCP_ISI; @@ -480,7 +483,7 @@ int ppc_hash32_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, int rwx, /* 7. Check access permissions */ - prot = ppc_hash32_pte_prot(env, sr, pte); + prot = ppc_hash32_pte_prot(cpu, sr, pte); if (need_prot[rwx] & ~prot) { /* Access right violation */ @@ -515,7 +518,7 @@ int ppc_hash32_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, int rwx, } if (new_pte1 != pte.pte1) { - ppc_hash32_store_hpte1(env, pte_offset, new_pte1); + ppc_hash32_store_hpte1(cpu, pte_offset, new_pte1); } /* 9. Determine the real address from the PTE */ @@ -528,8 +531,9 @@ int ppc_hash32_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, int rwx, return 0; } -hwaddr ppc_hash32_get_phys_page_debug(CPUPPCState *env, target_ulong eaddr) +hwaddr ppc_hash32_get_phys_page_debug(PowerPCCPU *cpu, target_ulong eaddr) { + CPUPPCState *env = &cpu->env; target_ulong sr; hwaddr pte_offset; ppc_hash_pte32_t pte; @@ -541,7 +545,7 @@ hwaddr ppc_hash32_get_phys_page_debug(CPUPPCState *env, target_ulong eaddr) } if (env->nb_BATs != 0) { - hwaddr raddr = ppc_hash32_bat_lookup(env, eaddr, 0, &prot); + hwaddr raddr = ppc_hash32_bat_lookup(cpu, eaddr, 0, &prot); if (raddr != -1) { return raddr; } @@ -554,7 +558,7 @@ hwaddr ppc_hash32_get_phys_page_debug(CPUPPCState *env, target_ulong eaddr) return -1; } - pte_offset = ppc_hash32_htab_lookup(env, sr, eaddr, &pte); + pte_offset = ppc_hash32_htab_lookup(cpu, sr, eaddr, &pte); if (pte_offset == -1) { return -1; } diff --git a/qemu/target-ppc/mmu-hash32.h b/qemu/target-ppc/mmu-hash32.h index d515d4ff7..afbb9dd3d 100644 --- a/qemu/target-ppc/mmu-hash32.h +++ b/qemu/target-ppc/mmu-hash32.h @@ -3,8 +3,8 @@ #ifndef CONFIG_USER_ONLY -hwaddr get_pteg_offset32(CPUPPCState *env, hwaddr hash); -hwaddr ppc_hash32_get_phys_page_debug(CPUPPCState *env, target_ulong addr); +hwaddr get_pteg_offset32(PowerPCCPU *cpu, hwaddr hash); +hwaddr ppc_hash32_get_phys_page_debug(PowerPCCPU *cpu, target_ulong addr); int ppc_hash32_handle_mmu_fault(PowerPCCPU *cpu, target_ulong address, int rw, int mmu_idx); @@ -65,40 +65,42 @@ int ppc_hash32_handle_mmu_fault(PowerPCCPU *cpu, target_ulong address, int rw, #define HPTE32_R_WIMG 0x00000078 #define HPTE32_R_PP 0x00000003 -static inline target_ulong ppc_hash32_load_hpte0(CPUPPCState *env, +static inline target_ulong ppc_hash32_load_hpte0(PowerPCCPU *cpu, hwaddr pte_offset) { - CPUState *cs = CPU(ppc_env_get_cpu(env)); + CPUPPCState *env = &cpu->env; assert(!env->external_htab); /* Not supported on 32-bit for now */ - return ldl_phys(cs->as, env->htab_base + pte_offset); + return ldl_phys(CPU(cpu)->as, env->htab_base + pte_offset); } -static inline target_ulong ppc_hash32_load_hpte1(CPUPPCState *env, +static inline target_ulong ppc_hash32_load_hpte1(PowerPCCPU *cpu, hwaddr pte_offset) { - CPUState *cs = CPU(ppc_env_get_cpu(env)); + CPUPPCState *env = &cpu->env; assert(!env->external_htab); /* Not supported on 32-bit for now */ - return ldl_phys(cs->as, env->htab_base + pte_offset + HASH_PTE_SIZE_32/2); + return ldl_phys(CPU(cpu)->as, + env->htab_base + pte_offset + HASH_PTE_SIZE_32 / 2); } -static inline void ppc_hash32_store_hpte0(CPUPPCState *env, +static inline void ppc_hash32_store_hpte0(PowerPCCPU *cpu, hwaddr pte_offset, target_ulong pte0) { - CPUState *cs = CPU(ppc_env_get_cpu(env)); + CPUPPCState *env = &cpu->env; assert(!env->external_htab); /* Not supported on 32-bit for now */ - stl_phys(cs->as, env->htab_base + pte_offset, pte0); + stl_phys(CPU(cpu)->as, env->htab_base + pte_offset, pte0); } -static inline void ppc_hash32_store_hpte1(CPUPPCState *env, +static inline void ppc_hash32_store_hpte1(PowerPCCPU *cpu, hwaddr pte_offset, target_ulong pte1) { - CPUState *cs = CPU(ppc_env_get_cpu(env)); + CPUPPCState *env = &cpu->env; assert(!env->external_htab); /* Not supported on 32-bit for now */ - stl_phys(cs->as, env->htab_base + pte_offset + HASH_PTE_SIZE_32/2, pte1); + stl_phys(CPU(cpu)->as, + env->htab_base + pte_offset + HASH_PTE_SIZE_32 / 2, pte1); } typedef struct { diff --git a/qemu/target-ppc/mmu-hash64.c b/qemu/target-ppc/mmu-hash64.c index 7df6edebf..72c4ab5d7 100644 --- a/qemu/target-ppc/mmu-hash64.c +++ b/qemu/target-ppc/mmu-hash64.c @@ -17,38 +17,38 @@ * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" +#include "qapi/error.h" #include "cpu.h" #include "exec/helper-proto.h" +#include "qemu/error-report.h" #include "sysemu/kvm.h" +#include "qemu/error-report.h" #include "kvm_ppc.h" #include "mmu-hash64.h" +#include "exec/log.h" -//#define DEBUG_MMU //#define DEBUG_SLB -#ifdef DEBUG_MMU -# define LOG_MMU_STATE(cpu) log_cpu_state((cpu), 0) -#else -# define LOG_MMU_STATE(cpu) do { } while (0) -#endif - #ifdef DEBUG_SLB -# define LOG_SLB(...) qemu_log(__VA_ARGS__) +# define LOG_SLB(...) qemu_log_mask(CPU_LOG_MMU, __VA_ARGS__) #else # define LOG_SLB(...) do { } while (0) #endif /* - * Used to indicate whether we have allocated htab in the - * host kernel + * Used to indicate that a CPU has its hash page table (HPT) managed + * within the host kernel */ -bool kvmppc_kern_htab; +#define MMU_HASH64_KVM_MANAGED_HPT ((void *)-1) + /* * SLB handling */ -static ppc_slb_t *slb_lookup(CPUPPCState *env, target_ulong eaddr) +static ppc_slb_t *slb_lookup(PowerPCCPU *cpu, target_ulong eaddr) { + CPUPPCState *env = &cpu->env; uint64_t esid_256M, esid_1T; int n; @@ -76,12 +76,13 @@ static ppc_slb_t *slb_lookup(CPUPPCState *env, target_ulong eaddr) return NULL; } -void dump_slb(FILE *f, fprintf_function cpu_fprintf, CPUPPCState *env) +void dump_slb(FILE *f, fprintf_function cpu_fprintf, PowerPCCPU *cpu) { + CPUPPCState *env = &cpu->env; int i; uint64_t slbe, slbv; - cpu_synchronize_state(CPU(ppc_env_get_cpu(env))); + cpu_synchronize_state(CPU(cpu)); cpu_fprintf(f, "SLB\tESID\t\t\tVSID\n"); for (i = 0; i < env->slb_nr; i++) { @@ -124,7 +125,7 @@ void helper_slbie(CPUPPCState *env, target_ulong addr) PowerPCCPU *cpu = ppc_env_get_cpu(env); ppc_slb_t *slb; - slb = slb_lookup(env, addr); + slb = slb_lookup(cpu, addr); if (!slb) { return; } @@ -140,35 +141,62 @@ void helper_slbie(CPUPPCState *env, target_ulong addr) } } -int ppc_store_slb(CPUPPCState *env, target_ulong rb, target_ulong rs) +int ppc_store_slb(PowerPCCPU *cpu, target_ulong slot, + target_ulong esid, target_ulong vsid) { - int slot = rb & 0xfff; + CPUPPCState *env = &cpu->env; ppc_slb_t *slb = &env->slb[slot]; + const struct ppc_one_seg_page_size *sps = NULL; + int i; - if (rb & (0x1000 - env->slb_nr)) { - return -1; /* Reserved bits set or slot too high */ + if (slot >= env->slb_nr) { + return -1; /* Bad slot number */ + } + if (esid & ~(SLB_ESID_ESID | SLB_ESID_V)) { + return -1; /* Reserved bits set */ } - if (rs & (SLB_VSID_B & ~SLB_VSID_B_1T)) { + if (vsid & (SLB_VSID_B & ~SLB_VSID_B_1T)) { return -1; /* Bad segment size */ } - if ((rs & SLB_VSID_B) && !(env->mmu_model & POWERPC_MMU_1TSEG)) { + if ((vsid & SLB_VSID_B) && !(env->mmu_model & POWERPC_MMU_1TSEG)) { return -1; /* 1T segment on MMU that doesn't support it */ } - /* Mask out the slot number as we store the entry */ - slb->esid = rb & (SLB_ESID_ESID | SLB_ESID_V); - slb->vsid = rs; + for (i = 0; i < PPC_PAGE_SIZES_MAX_SZ; i++) { + const struct ppc_one_seg_page_size *sps1 = &env->sps.sps[i]; + + if (!sps1->page_shift) { + break; + } + + if ((vsid & SLB_VSID_LLP_MASK) == sps1->slb_enc) { + sps = sps1; + break; + } + } + + if (!sps) { + error_report("Bad page size encoding in SLB store: slot "TARGET_FMT_lu + " esid 0x"TARGET_FMT_lx" vsid 0x"TARGET_FMT_lx, + slot, esid, vsid); + return -1; + } + + slb->esid = esid; + slb->vsid = vsid; + slb->sps = sps; LOG_SLB("%s: %d " TARGET_FMT_lx " - " TARGET_FMT_lx " => %016" PRIx64 - " %016" PRIx64 "\n", __func__, slot, rb, rs, + " %016" PRIx64 "\n", __func__, slot, esid, vsid, slb->esid, slb->vsid); return 0; } -static int ppc_load_slb_esid(CPUPPCState *env, target_ulong rb, +static int ppc_load_slb_esid(PowerPCCPU *cpu, target_ulong rb, target_ulong *rt) { + CPUPPCState *env = &cpu->env; int slot = rb & 0xfff; ppc_slb_t *slb = &env->slb[slot]; @@ -180,9 +208,10 @@ static int ppc_load_slb_esid(CPUPPCState *env, target_ulong rb, return 0; } -static int ppc_load_slb_vsid(CPUPPCState *env, target_ulong rb, +static int ppc_load_slb_vsid(PowerPCCPU *cpu, target_ulong rb, target_ulong *rt) { + CPUPPCState *env = &cpu->env; int slot = rb & 0xfff; ppc_slb_t *slb = &env->slb[slot]; @@ -196,7 +225,9 @@ static int ppc_load_slb_vsid(CPUPPCState *env, target_ulong rb, void helper_store_slb(CPUPPCState *env, target_ulong rb, target_ulong rs) { - if (ppc_store_slb(env, rb, rs) < 0) { + PowerPCCPU *cpu = ppc_env_get_cpu(env); + + if (ppc_store_slb(cpu, rb & 0xfff, rb & ~0xfffULL, rs) < 0) { helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_INVAL); } @@ -204,9 +235,10 @@ void helper_store_slb(CPUPPCState *env, target_ulong rb, target_ulong rs) target_ulong helper_load_slb_esid(CPUPPCState *env, target_ulong rb) { + PowerPCCPU *cpu = ppc_env_get_cpu(env); target_ulong rt = 0; - if (ppc_load_slb_esid(env, rb, &rt) < 0) { + if (ppc_load_slb_esid(cpu, rb, &rt) < 0) { helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_INVAL); } @@ -215,9 +247,10 @@ target_ulong helper_load_slb_esid(CPUPPCState *env, target_ulong rb) target_ulong helper_load_slb_vsid(CPUPPCState *env, target_ulong rb) { + PowerPCCPU *cpu = ppc_env_get_cpu(env); target_ulong rt = 0; - if (ppc_load_slb_vsid(env, rb, &rt) < 0) { + if (ppc_load_slb_vsid(cpu, rb, &rt) < 0) { helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_INVAL); } @@ -227,10 +260,58 @@ target_ulong helper_load_slb_vsid(CPUPPCState *env, target_ulong rb) /* * 64-bit hash table MMU handling */ +void ppc_hash64_set_sdr1(PowerPCCPU *cpu, target_ulong value, + Error **errp) +{ + CPUPPCState *env = &cpu->env; + target_ulong htabsize = value & SDR_64_HTABSIZE; + + env->spr[SPR_SDR1] = value; + if (htabsize > 28) { + error_setg(errp, + "Invalid HTABSIZE 0x" TARGET_FMT_lx" stored in SDR1", + htabsize); + htabsize = 28; + } + env->htab_mask = (1ULL << (htabsize + 18 - 7)) - 1; + env->htab_base = value & SDR_64_HTABORG; +} + +void ppc_hash64_set_external_hpt(PowerPCCPU *cpu, void *hpt, int shift, + Error **errp) +{ + CPUPPCState *env = &cpu->env; + Error *local_err = NULL; -static int ppc_hash64_pte_prot(CPUPPCState *env, + cpu_synchronize_state(CPU(cpu)); + + if (hpt) { + env->external_htab = hpt; + } else { + env->external_htab = MMU_HASH64_KVM_MANAGED_HPT; + } + ppc_hash64_set_sdr1(cpu, (target_ulong)(uintptr_t)hpt | (shift - 18), + &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + /* Not strictly necessary, but makes it clearer that an external + * htab is in use when debugging */ + env->htab_base = -1; + + if (kvm_enabled()) { + if (kvmppc_put_books_sregs(cpu) < 0) { + error_setg(errp, "Unable to update SDR1 in KVM"); + } + } +} + +static int ppc_hash64_pte_prot(PowerPCCPU *cpu, ppc_slb_t *slb, ppc_hash_pte64_t pte) { + CPUPPCState *env = &cpu->env; unsigned pp, key; /* Some pp bit combinations have undefined behaviour, so default * to no access in those cases */ @@ -280,12 +361,12 @@ static int ppc_hash64_pte_prot(CPUPPCState *env, return prot; } -static int ppc_hash64_amr_prot(CPUPPCState *env, ppc_hash_pte64_t pte) +static int ppc_hash64_amr_prot(PowerPCCPU *cpu, ppc_hash_pte64_t pte) { + CPUPPCState *env = &cpu->env; int key, amrbits; int prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC; - /* Only recent MMUs implement Virtual Page Class Key Protection */ if (!(env->mmu_model & POWERPC_MMU_AMR)) { return prot; @@ -321,25 +402,16 @@ uint64_t ppc_hash64_start_access(PowerPCCPU *cpu, target_ulong pte_index) hwaddr pte_offset; pte_offset = pte_index * HASH_PTE_SIZE_64; - if (kvmppc_kern_htab) { + if (cpu->env.external_htab == MMU_HASH64_KVM_MANAGED_HPT) { /* * HTAB is controlled by KVM. Fetch the PTEG into a new buffer. */ token = kvmppc_hash64_read_pteg(cpu, pte_index); - if (token) { - return token; - } + } else if (cpu->env.external_htab) { /* - * pteg read failed, even though we have allocated htab via - * kvmppc_reset_htab. + * HTAB is controlled by QEMU. Just point to the internally + * accessible PTEG. */ - return 0; - } - /* - * HTAB is controlled by QEMU. Just point to the internally - * accessible PTEG. - */ - if (cpu->env.external_htab) { token = (uint64_t)(uintptr_t) cpu->env.external_htab + pte_offset; } else if (cpu->env.htab_base) { token = cpu->env.htab_base + pte_offset; @@ -347,86 +419,73 @@ uint64_t ppc_hash64_start_access(PowerPCCPU *cpu, target_ulong pte_index) return token; } -void ppc_hash64_stop_access(uint64_t token) +void ppc_hash64_stop_access(PowerPCCPU *cpu, uint64_t token) { - if (kvmppc_kern_htab) { + if (cpu->env.external_htab == MMU_HASH64_KVM_MANAGED_HPT) { kvmppc_hash64_free_pteg(token); } } -static hwaddr ppc_hash64_pteg_search(CPUPPCState *env, hwaddr hash, +static hwaddr ppc_hash64_pteg_search(PowerPCCPU *cpu, hwaddr hash, bool secondary, target_ulong ptem, ppc_hash_pte64_t *pte) { + CPUPPCState *env = &cpu->env; int i; uint64_t token; target_ulong pte0, pte1; target_ulong pte_index; pte_index = (hash & env->htab_mask) * HPTES_PER_GROUP; - token = ppc_hash64_start_access(ppc_env_get_cpu(env), pte_index); + token = ppc_hash64_start_access(cpu, pte_index); if (!token) { return -1; } for (i = 0; i < HPTES_PER_GROUP; i++) { - pte0 = ppc_hash64_load_hpte0(env, token, i); - pte1 = ppc_hash64_load_hpte1(env, token, i); + pte0 = ppc_hash64_load_hpte0(cpu, token, i); + pte1 = ppc_hash64_load_hpte1(cpu, token, i); if ((pte0 & HPTE64_V_VALID) && (secondary == !!(pte0 & HPTE64_V_SECONDARY)) && HPTE64_V_COMPARE(pte0, ptem)) { pte->pte0 = pte0; pte->pte1 = pte1; - ppc_hash64_stop_access(token); + ppc_hash64_stop_access(cpu, token); return (pte_index + i) * HASH_PTE_SIZE_64; } } - ppc_hash64_stop_access(token); + ppc_hash64_stop_access(cpu, token); /* * We didn't find a valid entry. */ return -1; } -static uint64_t ppc_hash64_page_shift(ppc_slb_t *slb) -{ - uint64_t epnshift; - - /* Page size according to the SLB, which we use to generate the - * EPN for hash table lookup.. When we implement more recent MMU - * extensions this might be different from the actual page size - * encoded in the PTE */ - if ((slb->vsid & SLB_VSID_LLP_MASK) == SLB_VSID_4K) { - epnshift = TARGET_PAGE_BITS; - } else if ((slb->vsid & SLB_VSID_LLP_MASK) == SLB_VSID_64K) { - epnshift = TARGET_PAGE_BITS_64K; - } else { - epnshift = TARGET_PAGE_BITS_16M; - } - return epnshift; -} - -static hwaddr ppc_hash64_htab_lookup(CPUPPCState *env, +static hwaddr ppc_hash64_htab_lookup(PowerPCCPU *cpu, ppc_slb_t *slb, target_ulong eaddr, ppc_hash_pte64_t *pte) { + CPUPPCState *env = &cpu->env; hwaddr pte_offset; hwaddr hash; - uint64_t vsid, epnshift, epnmask, epn, ptem; + uint64_t vsid, epnmask, epn, ptem; + + /* The SLB store path should prevent any bad page size encodings + * getting in there, so: */ + assert(slb->sps); - epnshift = ppc_hash64_page_shift(slb); - epnmask = ~((1ULL << epnshift) - 1); + epnmask = ~((1ULL << slb->sps->page_shift) - 1); if (slb->vsid & SLB_VSID_B) { /* 1TB segment */ vsid = (slb->vsid & SLB_VSID_VSID) >> SLB_VSID_SHIFT_1T; epn = (eaddr & ~SEGMENT_MASK_1T) & epnmask; - hash = vsid ^ (vsid << 25) ^ (epn >> epnshift); + hash = vsid ^ (vsid << 25) ^ (epn >> slb->sps->page_shift); } else { /* 256M segment */ vsid = (slb->vsid & SLB_VSID_VSID) >> SLB_VSID_SHIFT; epn = (eaddr & ~SEGMENT_MASK_256M) & epnmask; - hash = vsid ^ (epn >> epnshift); + hash = vsid ^ (epn >> slb->sps->page_shift); } ptem = (slb->vsid & SLB_VSID_PTEM) | ((epn >> 16) & HPTE64_V_AVPN); @@ -442,7 +501,7 @@ static hwaddr ppc_hash64_htab_lookup(CPUPPCState *env, " vsid=" TARGET_FMT_lx " ptem=" TARGET_FMT_lx " hash=" TARGET_FMT_plx "\n", env->htab_base, env->htab_mask, vsid, ptem, hash); - pte_offset = ppc_hash64_pteg_search(env, hash, 0, ptem, pte); + pte_offset = ppc_hash64_pteg_search(cpu, hash, 0, ptem, pte); if (pte_offset == -1) { /* Secondary PTEG lookup */ @@ -452,24 +511,82 @@ static hwaddr ppc_hash64_htab_lookup(CPUPPCState *env, " hash=" TARGET_FMT_plx "\n", env->htab_base, env->htab_mask, vsid, ptem, ~hash); - pte_offset = ppc_hash64_pteg_search(env, ~hash, 1, ptem, pte); + pte_offset = ppc_hash64_pteg_search(cpu, ~hash, 1, ptem, pte); } return pte_offset; } -static hwaddr ppc_hash64_pte_raddr(ppc_slb_t *slb, ppc_hash_pte64_t pte, - target_ulong eaddr) +static unsigned hpte_page_shift(const struct ppc_one_seg_page_size *sps, + uint64_t pte0, uint64_t pte1) +{ + int i; + + if (!(pte0 & HPTE64_V_LARGE)) { + if (sps->page_shift != 12) { + /* 4kiB page in a non 4kiB segment */ + return 0; + } + /* Normal 4kiB page */ + return 12; + } + + for (i = 0; i < PPC_PAGE_SIZES_MAX_SZ; i++) { + const struct ppc_one_page_size *ps = &sps->enc[i]; + uint64_t mask; + + if (!ps->page_shift) { + break; + } + + if (ps->page_shift == 12) { + /* L bit is set so this can't be a 4kiB page */ + continue; + } + + mask = ((1ULL << ps->page_shift) - 1) & HPTE64_R_RPN; + + if ((pte1 & mask) == (ps->pte_enc << HPTE64_R_RPN_SHIFT)) { + return ps->page_shift; + } + } + + return 0; /* Bad page size encoding */ +} + +unsigned ppc_hash64_hpte_page_shift_noslb(PowerPCCPU *cpu, + uint64_t pte0, uint64_t pte1, + unsigned *seg_page_shift) { - hwaddr mask; - int target_page_bits; - hwaddr rpn = pte.pte1 & HPTE64_R_RPN; + CPUPPCState *env = &cpu->env; + int i; + + if (!(pte0 & HPTE64_V_LARGE)) { + *seg_page_shift = 12; + return 12; + } + /* - * We support 4K, 64K and 16M now + * The encodings in env->sps need to be carefully chosen so that + * this gives an unambiguous result. */ - target_page_bits = ppc_hash64_page_shift(slb); - mask = (1ULL << target_page_bits) - 1; - return (rpn & ~mask) | (eaddr & mask); + for (i = 0; i < PPC_PAGE_SIZES_MAX_SZ; i++) { + const struct ppc_one_seg_page_size *sps = &env->sps.sps[i]; + unsigned shift; + + if (!sps->page_shift) { + break; + } + + shift = hpte_page_shift(sps, pte0, pte1); + if (shift) { + *seg_page_shift = sps->page_shift; + return shift; + } + } + + *seg_page_shift = 0; + return 0; } int ppc_hash64_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, @@ -478,6 +595,7 @@ int ppc_hash64_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, CPUState *cs = CPU(cpu); CPUPPCState *env = &cpu->env; ppc_slb_t *slb; + unsigned apshift; hwaddr pte_offset; ppc_hash_pte64_t pte; int pp_prot, amr_prot, prot; @@ -499,7 +617,7 @@ int ppc_hash64_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, } /* 2. Translation is on, so look up the SLB */ - slb = slb_lookup(env, eaddr); + slb = slb_lookup(cpu, eaddr); if (!slb) { if (rwx == 2) { @@ -521,7 +639,7 @@ int ppc_hash64_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, } /* 4. Locate the PTE in the hash table */ - pte_offset = ppc_hash64_htab_lookup(env, slb, eaddr, &pte); + pte_offset = ppc_hash64_htab_lookup(cpu, slb, eaddr, &pte); if (pte_offset == -1) { if (rwx == 2) { cs->exception_index = POWERPC_EXCP_ISI; @@ -541,10 +659,22 @@ int ppc_hash64_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, qemu_log_mask(CPU_LOG_MMU, "found PTE at offset %08" HWADDR_PRIx "\n", pte_offset); + /* Validate page size encoding */ + apshift = hpte_page_shift(slb->sps, pte.pte0, pte.pte1); + if (!apshift) { + error_report("Bad page size encoding in HPTE 0x%"PRIx64" - 0x%"PRIx64 + " @ 0x%"HWADDR_PRIx, pte.pte0, pte.pte1, pte_offset); + /* Not entirely sure what the right action here, but machine + * check seems reasonable */ + cs->exception_index = POWERPC_EXCP_MCHECK; + env->error_code = 0; + return 1; + } + /* 5. Check access permissions */ - pp_prot = ppc_hash64_pte_prot(env, slb, pte); - amr_prot = ppc_hash64_amr_prot(env, pte); + pp_prot = ppc_hash64_pte_prot(cpu, slb, pte); + amr_prot = ppc_hash64_amr_prot(cpu, pte); prot = pp_prot & amr_prot; if ((need_prot[rwx] & ~prot) != 0) { @@ -587,51 +717,59 @@ int ppc_hash64_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, } if (new_pte1 != pte.pte1) { - ppc_hash64_store_hpte(env, pte_offset / HASH_PTE_SIZE_64, + ppc_hash64_store_hpte(cpu, pte_offset / HASH_PTE_SIZE_64, pte.pte0, new_pte1); } /* 7. Determine the real address from the PTE */ - raddr = ppc_hash64_pte_raddr(slb, pte, eaddr); + raddr = deposit64(pte.pte1 & HPTE64_R_RPN, 0, apshift, eaddr); tlb_set_page(cs, eaddr & TARGET_PAGE_MASK, raddr & TARGET_PAGE_MASK, - prot, mmu_idx, TARGET_PAGE_SIZE); + prot, mmu_idx, 1ULL << apshift); return 0; } -hwaddr ppc_hash64_get_phys_page_debug(CPUPPCState *env, target_ulong addr) +hwaddr ppc_hash64_get_phys_page_debug(PowerPCCPU *cpu, target_ulong addr) { + CPUPPCState *env = &cpu->env; ppc_slb_t *slb; hwaddr pte_offset; ppc_hash_pte64_t pte; + unsigned apshift; if (msr_dr == 0) { /* In real mode the top 4 effective address bits are ignored */ return addr & 0x0FFFFFFFFFFFFFFFULL; } - slb = slb_lookup(env, addr); + slb = slb_lookup(cpu, addr); if (!slb) { return -1; } - pte_offset = ppc_hash64_htab_lookup(env, slb, addr, &pte); + pte_offset = ppc_hash64_htab_lookup(cpu, slb, addr, &pte); if (pte_offset == -1) { return -1; } - return ppc_hash64_pte_raddr(slb, pte, addr) & TARGET_PAGE_MASK; + apshift = hpte_page_shift(slb->sps, pte.pte0, pte.pte1); + if (!apshift) { + return -1; + } + + return deposit64(pte.pte1 & HPTE64_R_RPN, 0, apshift, addr) + & TARGET_PAGE_MASK; } -void ppc_hash64_store_hpte(CPUPPCState *env, +void ppc_hash64_store_hpte(PowerPCCPU *cpu, target_ulong pte_index, target_ulong pte0, target_ulong pte1) { - CPUState *cs = CPU(ppc_env_get_cpu(env)); + CPUPPCState *env = &cpu->env; - if (kvmppc_kern_htab) { + if (env->external_htab == MMU_HASH64_KVM_MANAGED_HPT) { kvmppc_hash64_write_pte(env, pte_index, pte0, pte1); return; } @@ -639,9 +777,22 @@ void ppc_hash64_store_hpte(CPUPPCState *env, pte_index *= HASH_PTE_SIZE_64; if (env->external_htab) { stq_p(env->external_htab + pte_index, pte0); - stq_p(env->external_htab + pte_index + HASH_PTE_SIZE_64/2, pte1); + stq_p(env->external_htab + pte_index + HASH_PTE_SIZE_64 / 2, pte1); } else { - stq_phys(cs->as, env->htab_base + pte_index, pte0); - stq_phys(cs->as, env->htab_base + pte_index + HASH_PTE_SIZE_64/2, pte1); + stq_phys(CPU(cpu)->as, env->htab_base + pte_index, pte0); + stq_phys(CPU(cpu)->as, + env->htab_base + pte_index + HASH_PTE_SIZE_64 / 2, pte1); } } + +void ppc_hash64_tlb_flush_hpte(PowerPCCPU *cpu, + target_ulong pte_index, + target_ulong pte0, target_ulong pte1) +{ + /* + * XXX: given the fact that there are too many segments to + * invalidate, and we still don't have a tlb_flush_mask(env, n, + * mask) in QEMU, we just invalidate all TLBs + */ + tlb_flush(CPU(cpu), 1); +} diff --git a/qemu/target-ppc/mmu-hash64.h b/qemu/target-ppc/mmu-hash64.h index 291750f3e..9bf8b9b26 100644 --- a/qemu/target-ppc/mmu-hash64.h +++ b/qemu/target-ppc/mmu-hash64.h @@ -4,13 +4,21 @@ #ifndef CONFIG_USER_ONLY #ifdef TARGET_PPC64 -void dump_slb(FILE *f, fprintf_function cpu_fprintf, CPUPPCState *env); -int ppc_store_slb (CPUPPCState *env, target_ulong rb, target_ulong rs); -hwaddr ppc_hash64_get_phys_page_debug(CPUPPCState *env, target_ulong addr); +void ppc_hash64_check_page_sizes(PowerPCCPU *cpu, Error **errp); +void dump_slb(FILE *f, fprintf_function cpu_fprintf, PowerPCCPU *cpu); +int ppc_store_slb(PowerPCCPU *cpu, target_ulong slot, + target_ulong esid, target_ulong vsid); +hwaddr ppc_hash64_get_phys_page_debug(PowerPCCPU *cpu, target_ulong addr); int ppc_hash64_handle_mmu_fault(PowerPCCPU *cpu, target_ulong address, int rw, int mmu_idx); -void ppc_hash64_store_hpte(CPUPPCState *env, target_ulong index, +void ppc_hash64_store_hpte(PowerPCCPU *cpu, target_ulong index, target_ulong pte0, target_ulong pte1); +void ppc_hash64_tlb_flush_hpte(PowerPCCPU *cpu, + target_ulong pte_index, + target_ulong pte0, target_ulong pte1); +unsigned ppc_hash64_hpte_page_shift_noslb(PowerPCCPU *cpu, + uint64_t pte0, uint64_t pte1, + unsigned *seg_page_shift); #endif /* @@ -40,6 +48,8 @@ void ppc_hash64_store_hpte(CPUPPCState *env, target_ulong index, #define SLB_VSID_LLP_MASK (SLB_VSID_L | SLB_VSID_LP) #define SLB_VSID_4K 0x0000000000000000ULL #define SLB_VSID_64K 0x0000000000000110ULL +#define SLB_VSID_16M 0x0000000000000100ULL +#define SLB_VSID_16G 0x0000000000000120ULL /* * Hash page table definitions @@ -80,36 +90,39 @@ void ppc_hash64_store_hpte(CPUPPCState *env, target_ulong index, #define HPTE64_V_1TB_SEG 0x4000000000000000ULL #define HPTE64_V_VRMA_MASK 0x4001ffffff000000ULL +void ppc_hash64_set_sdr1(PowerPCCPU *cpu, target_ulong value, + Error **errp); +void ppc_hash64_set_external_hpt(PowerPCCPU *cpu, void *hpt, int shift, + Error **errp); -extern bool kvmppc_kern_htab; uint64_t ppc_hash64_start_access(PowerPCCPU *cpu, target_ulong pte_index); -void ppc_hash64_stop_access(uint64_t token); +void ppc_hash64_stop_access(PowerPCCPU *cpu, uint64_t token); -static inline target_ulong ppc_hash64_load_hpte0(CPUPPCState *env, +static inline target_ulong ppc_hash64_load_hpte0(PowerPCCPU *cpu, uint64_t token, int index) { - CPUState *cs = CPU(ppc_env_get_cpu(env)); + CPUPPCState *env = &cpu->env; uint64_t addr; addr = token + (index * HASH_PTE_SIZE_64); if (env->external_htab) { return ldq_p((const void *)(uintptr_t)addr); } else { - return ldq_phys(cs->as, addr); + return ldq_phys(CPU(cpu)->as, addr); } } -static inline target_ulong ppc_hash64_load_hpte1(CPUPPCState *env, +static inline target_ulong ppc_hash64_load_hpte1(PowerPCCPU *cpu, uint64_t token, int index) { - CPUState *cs = CPU(ppc_env_get_cpu(env)); + CPUPPCState *env = &cpu->env; uint64_t addr; addr = token + (index * HASH_PTE_SIZE_64) + HASH_PTE_SIZE_64/2; if (env->external_htab) { return ldq_p((const void *)(uintptr_t)addr); } else { - return ldq_phys(cs->as, addr); + return ldq_phys(CPU(cpu)->as, addr); } } diff --git a/qemu/target-ppc/mmu_helper.c b/qemu/target-ppc/mmu_helper.c index 527c6adca..ff217941b 100644 --- a/qemu/target-ppc/mmu_helper.c +++ b/qemu/target-ppc/mmu_helper.c @@ -16,6 +16,8 @@ * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" +#include "qapi/error.h" #include "cpu.h" #include "exec/helper-proto.h" #include "sysemu/kvm.h" @@ -23,28 +25,28 @@ #include "mmu-hash64.h" #include "mmu-hash32.h" #include "exec/cpu_ldst.h" +#include "exec/log.h" //#define DEBUG_MMU //#define DEBUG_BATS //#define DEBUG_SOFTWARE_TLB //#define DUMP_PAGE_TABLES -//#define DEBUG_SOFTWARE_TLB //#define FLUSH_ALL_TLBS #ifdef DEBUG_MMU -# define LOG_MMU_STATE(cpu) log_cpu_state((cpu), 0) +# define LOG_MMU_STATE(cpu) log_cpu_state_mask(CPU_LOG_MMU, (cpu), 0) #else # define LOG_MMU_STATE(cpu) do { } while (0) #endif #ifdef DEBUG_SOFTWARE_TLB -# define LOG_SWTLB(...) qemu_log(__VA_ARGS__) +# define LOG_SWTLB(...) qemu_log_mask(CPU_LOG_MMU, __VA_ARGS__) #else # define LOG_SWTLB(...) do { } while (0) #endif #ifdef DEBUG_BATS -# define LOG_BATS(...) qemu_log(__VA_ARGS__) +# define LOG_BATS(...) qemu_log_mask(CPU_LOG_MMU, __VA_ARGS__) #else # define LOG_BATS(...) do { } while (0) #endif @@ -162,7 +164,7 @@ static inline int ppc6xx_tlb_pte_check(mmu_ctx_t *ctx, target_ulong pte0, if (ctx->raddr != (hwaddr)-1ULL) { /* all matches should have equal RPN, WIMG & PP */ if ((ctx->raddr & mmask) != (pte1 & mmask)) { - qemu_log("Bad RPN/WIMG/PP\n"); + qemu_log_mask(CPU_LOG_MMU, "Bad RPN/WIMG/PP\n"); return -3; } } @@ -508,7 +510,7 @@ static inline int get_segment_6xx_tlb(CPUPPCState *env, mmu_ctx_t *ctx, /* Software TLB search */ ret = ppc6xx_tlb_check(env, ctx, eaddr, rw, type); #if defined(DUMP_PAGE_TABLES) - if (qemu_log_enabled()) { + if (qemu_log_mask(CPU_LOG_MMU)) { hwaddr curaddr; uint32_t a0, a1, a2, a3; @@ -575,8 +577,8 @@ static inline int get_segment_6xx_tlb(CPUPPCState *env, mmu_ctx_t *ctx, /* eciwx or ecowx */ return -4; default: - qemu_log("ERROR: instruction should not need " - "address translation\n"); + qemu_log_mask(CPU_LOG_MMU, "ERROR: instruction should not need " + "address translation\n"); return -4; } if ((rw == 1 || ctx->key != 1) && (rw == 0 || ctx->key != 0)) { @@ -658,32 +660,6 @@ static inline void ppc4xx_tlb_invalidate_all(CPUPPCState *env) tlb_flush(CPU(cpu), 1); } -static inline void ppc4xx_tlb_invalidate_virt(CPUPPCState *env, - target_ulong eaddr, uint32_t pid) -{ -#if !defined(FLUSH_ALL_TLBS) - CPUState *cs = CPU(ppc_env_get_cpu(env)); - ppcemb_tlb_t *tlb; - hwaddr raddr; - target_ulong page, end; - int i; - - for (i = 0; i < env->nb_tlb; i++) { - tlb = &env->tlb.tlbe[i]; - if (ppcemb_tlb_check(env, tlb, &raddr, eaddr, pid, 0, i) == 0) { - end = tlb->EPN + tlb->size; - for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE) { - tlb_flush_page(cs, page); - } - tlb->prot &= ~PAGE_VALID; - break; - } - } -#else - ppc4xx_tlb_invalidate_all(env); -#endif -} - static int mmu40x_get_physical_address(CPUPPCState *env, mmu_ctx_t *ctx, target_ulong address, int rw, int access_type) @@ -1293,10 +1269,12 @@ void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUPPCState *env) break; #if defined(TARGET_PPC64) case POWERPC_MMU_64B: + case POWERPC_MMU_2_03: case POWERPC_MMU_2_06: case POWERPC_MMU_2_06a: - case POWERPC_MMU_2_06d: - dump_slb(f, cpu_fprintf, env); + case POWERPC_MMU_2_07: + case POWERPC_MMU_2_07a: + dump_slb(f, cpu_fprintf, ppc_env_get_cpu(env)); break; #endif default: @@ -1433,15 +1411,17 @@ hwaddr ppc_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) switch (env->mmu_model) { #if defined(TARGET_PPC64) case POWERPC_MMU_64B: + case POWERPC_MMU_2_03: case POWERPC_MMU_2_06: case POWERPC_MMU_2_06a: - case POWERPC_MMU_2_06d: - return ppc_hash64_get_phys_page_debug(env, addr); + case POWERPC_MMU_2_07: + case POWERPC_MMU_2_07a: + return ppc_hash64_get_phys_page_debug(cpu, addr); #endif case POWERPC_MMU_32B: case POWERPC_MMU_601: - return ppc_hash32_get_phys_page_debug(env, addr); + return ppc_hash32_get_phys_page_debug(cpu, addr); default: ; @@ -1507,6 +1487,7 @@ static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address, int rw, int mmu_idx) { CPUState *cs = CPU(ppc_env_get_cpu(env)); + PowerPCCPU *cpu = POWERPC_CPU(cs); mmu_ctx_t ctx; int access_type; int ret = 0; @@ -1608,9 +1589,9 @@ static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address, tlb_miss: env->error_code |= ctx.key << 19; env->spr[SPR_HASH1] = env->htab_base + - get_pteg_offset32(env, ctx.hash[0]); + get_pteg_offset32(cpu, ctx.hash[0]); env->spr[SPR_HASH2] = env->htab_base + - get_pteg_offset32(env, ctx.hash[1]); + get_pteg_offset32(cpu, ctx.hash[1]); break; case POWERPC_MMU_SOFT_74xx: if (rw == 1) { @@ -1937,9 +1918,11 @@ void ppc_tlb_invalidate_all(CPUPPCState *env) case POWERPC_MMU_601: #if defined(TARGET_PPC64) case POWERPC_MMU_64B: + case POWERPC_MMU_2_03: case POWERPC_MMU_2_06: case POWERPC_MMU_2_06a: - case POWERPC_MMU_2_06d: + case POWERPC_MMU_2_07: + case POWERPC_MMU_2_07a: #endif /* defined(TARGET_PPC64) */ tlb_flush(CPU(cpu), 1); break; @@ -1965,25 +1948,6 @@ void ppc_tlb_invalidate_one(CPUPPCState *env, target_ulong addr) ppc6xx_tlb_invalidate_virt(env, addr, 1); } break; - case POWERPC_MMU_SOFT_4xx: - case POWERPC_MMU_SOFT_4xx_Z: - ppc4xx_tlb_invalidate_virt(env, addr, env->spr[SPR_40x_PID]); - break; - case POWERPC_MMU_REAL: - cpu_abort(CPU(cpu), "No TLB for PowerPC 4xx in real mode\n"); - break; - case POWERPC_MMU_MPC8xx: - /* XXX: TODO */ - cpu_abort(CPU(cpu), "MPC8xx MMU model is not implemented\n"); - break; - case POWERPC_MMU_BOOKE: - /* XXX: TODO */ - cpu_abort(CPU(cpu), "BookE MMU model is not implemented\n"); - break; - case POWERPC_MMU_BOOKE206: - /* XXX: TODO */ - cpu_abort(CPU(cpu), "BookE 2.06 MMU model is not implemented\n"); - break; case POWERPC_MMU_32B: case POWERPC_MMU_601: /* tlbie invalidate TLBs for all segments */ @@ -2011,9 +1975,11 @@ void ppc_tlb_invalidate_one(CPUPPCState *env, target_ulong addr) break; #if defined(TARGET_PPC64) case POWERPC_MMU_64B: + case POWERPC_MMU_2_03: case POWERPC_MMU_2_06: case POWERPC_MMU_2_06a: - case POWERPC_MMU_2_06d: + case POWERPC_MMU_2_07: + case POWERPC_MMU_2_07a: /* tlbie invalidate TLBs for all segments */ /* XXX: given the fact that there are too many segments to invalidate, * and we still don't have a tlb_flush_mask(env, n, mask) in QEMU, @@ -2023,9 +1989,8 @@ void ppc_tlb_invalidate_one(CPUPPCState *env, target_ulong addr) break; #endif /* defined(TARGET_PPC64) */ default: - /* XXX: TODO */ - cpu_abort(CPU(cpu), "Unknown MMU model\n"); - break; + /* Should never reach here with other MMU models */ + assert(0); } #else ppc_tlb_invalidate_all(env); @@ -2041,15 +2006,14 @@ void ppc_store_sdr1(CPUPPCState *env, target_ulong value) env->spr[SPR_SDR1] = value; #if defined(TARGET_PPC64) if (env->mmu_model & POWERPC_MMU_64) { - target_ulong htabsize = value & SDR_64_HTABSIZE; + PowerPCCPU *cpu = ppc_env_get_cpu(env); + Error *local_err = NULL; - if (htabsize > 28) { - fprintf(stderr, "Invalid HTABSIZE 0x" TARGET_FMT_lx - " stored in SDR1\n", htabsize); - htabsize = 28; + ppc_hash64_set_sdr1(cpu, value, &local_err); + if (local_err) { + error_report_err(local_err); + error_free(local_err); } - env->htab_mask = (1ULL << (htabsize + 18 - 7)) - 1; - env->htab_base = value & SDR_64_HTABORG; } else #endif /* defined(TARGET_PPC64) */ { @@ -2080,21 +2044,17 @@ void helper_store_sr(CPUPPCState *env, target_ulong srnum, target_ulong value) (int)srnum, value, env->sr[srnum]); #if defined(TARGET_PPC64) if (env->mmu_model & POWERPC_MMU_64) { - uint64_t rb = 0, rs = 0; + uint64_t esid, vsid; /* ESID = srnum */ - rb |= ((uint32_t)srnum & 0xf) << 28; - /* Set the valid bit */ - rb |= SLB_ESID_V; - /* Index = ESID */ - rb |= (uint32_t)srnum; + esid = ((uint64_t)(srnum & 0xf) << 28) | SLB_ESID_V; /* VSID = VSID */ - rs |= (value & 0xfffffff) << 12; + vsid = (value & 0xfffffff) << 12; /* flags = flags */ - rs |= ((value >> 27) & 0xf) << 8; + vsid |= ((value >> 27) & 0xf) << 8; - ppc_store_slb(env, rb, rs); + ppc_store_slb(cpu, srnum, esid, vsid); } else #endif if (env->sr[srnum] != value) { @@ -2128,6 +2088,16 @@ void helper_tlbie(CPUPPCState *env, target_ulong addr) ppc_tlb_invalidate_one(env, addr); } +void helper_tlbiva(CPUPPCState *env, target_ulong addr) +{ + PowerPCCPU *cpu = ppc_env_get_cpu(env); + + /* tlbiva instruction only exists on BookE */ + assert(env->mmu_model == POWERPC_MMU_BOOKE); + /* XXX: TODO */ + cpu_abort(CPU(cpu), "BookE MMU model is not implemented\n"); +} + /* Software driven TLBs management */ /* PowerPC 602/603 software TLB load instructions helpers */ static void do_6xx_tlb(CPUPPCState *env, target_ulong new_EPN, int is_code) diff --git a/qemu/target-ppc/monitor.c b/qemu/target-ppc/monitor.c new file mode 100644 index 000000000..c2d0806dd --- /dev/null +++ b/qemu/target-ppc/monitor.c @@ -0,0 +1,147 @@ +/* + * QEMU monitor + * + * Copyright (c) 2003-2004 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include "qemu/osdep.h" +#include "cpu.h" +#include "monitor/monitor.h" +#include "monitor/hmp-target.h" +#include "hmp.h" + +static target_long monitor_get_ccr (const struct MonitorDef *md, int val) +{ + CPUArchState *env = mon_get_cpu_env(); + unsigned int u; + int i; + + u = 0; + for (i = 0; i < 8; i++) + u |= env->crf[i] << (32 - (4 * (i + 1))); + + return u; +} + +static target_long monitor_get_decr (const struct MonitorDef *md, int val) +{ + CPUArchState *env = mon_get_cpu_env(); + return cpu_ppc_load_decr(env); +} + +static target_long monitor_get_tbu (const struct MonitorDef *md, int val) +{ + CPUArchState *env = mon_get_cpu_env(); + return cpu_ppc_load_tbu(env); +} + +static target_long monitor_get_tbl (const struct MonitorDef *md, int val) +{ + CPUArchState *env = mon_get_cpu_env(); + return cpu_ppc_load_tbl(env); +} + +void hmp_info_tlb(Monitor *mon, const QDict *qdict) +{ + CPUArchState *env1 = mon_get_cpu_env(); + + dump_mmu((FILE*)mon, (fprintf_function)monitor_printf, env1); +} + +const MonitorDef monitor_defs[] = { + { "fpscr", offsetof(CPUPPCState, fpscr) }, + /* Next instruction pointer */ + { "nip|pc", offsetof(CPUPPCState, nip) }, + { "lr", offsetof(CPUPPCState, lr) }, + { "ctr", offsetof(CPUPPCState, ctr) }, + { "decr", 0, &monitor_get_decr, }, + { "ccr|cr", 0, &monitor_get_ccr, }, + /* Machine state register */ + { "xer", offsetof(CPUPPCState, xer) }, + { "msr", offsetof(CPUPPCState, msr) }, + { "tbu", 0, &monitor_get_tbu, }, + { "tbl", 0, &monitor_get_tbl, }, + { NULL }, +}; + +const MonitorDef *target_monitor_defs(void) +{ + return monitor_defs; +} + +static int ppc_cpu_get_reg_num(const char *numstr, int maxnum, int *pregnum) +{ + int regnum; + char *endptr = NULL; + + if (!*numstr) { + return false; + } + + regnum = strtoul(numstr, &endptr, 10); + if (*endptr || (regnum >= maxnum)) { + return false; + } + *pregnum = regnum; + + return true; +} + +int target_get_monitor_def(CPUState *cs, const char *name, uint64_t *pval) +{ + int i, regnum; + PowerPCCPU *cpu = POWERPC_CPU(cs); + CPUPPCState *env = &cpu->env; + + /* General purpose registers */ + if ((tolower(name[0]) == 'r') && + ppc_cpu_get_reg_num(name + 1, ARRAY_SIZE(env->gpr), ®num)) { + *pval = env->gpr[regnum]; + return 0; + } + + /* Floating point registers */ + if ((tolower(name[0]) == 'f') && + ppc_cpu_get_reg_num(name + 1, ARRAY_SIZE(env->fpr), ®num)) { + *pval = env->fpr[regnum]; + return 0; + } + + /* Special purpose registers */ + for (i = 0; i < ARRAY_SIZE(env->spr_cb); ++i) { + ppc_spr_t *spr = &env->spr_cb[i]; + + if (spr->name && (strcasecmp(name, spr->name) == 0)) { + *pval = env->spr[i]; + return 0; + } + } + + /* Segment registers */ +#if !defined(CONFIG_USER_ONLY) + if ((strncasecmp(name, "sr", 2) == 0) && + ppc_cpu_get_reg_num(name + 2, ARRAY_SIZE(env->sr), ®num)) { + *pval = env->sr[regnum]; + return 0; + } +#endif + + return -EINVAL; +} diff --git a/qemu/target-ppc/timebase_helper.c b/qemu/target-ppc/timebase_helper.c index 865dcbed2..3b340d70d 100644 --- a/qemu/target-ppc/timebase_helper.c +++ b/qemu/target-ppc/timebase_helper.c @@ -16,6 +16,7 @@ * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" #include "cpu.h" #include "exec/helper-proto.h" @@ -130,13 +131,14 @@ target_ulong helper_load_dcr(CPUPPCState *env, target_ulong dcrn) uint32_t val = 0; if (unlikely(env->dcr_env == NULL)) { - qemu_log("No DCR environment\n"); + qemu_log_mask(LOG_GUEST_ERROR, "No DCR environment\n"); helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL); } else if (unlikely(ppc_dcr_read(env->dcr_env, (uint32_t)dcrn, &val) != 0)) { - qemu_log("DCR read error %d %03x\n", (uint32_t)dcrn, (uint32_t)dcrn); + qemu_log_mask(LOG_GUEST_ERROR, "DCR read error %d %03x\n", + (uint32_t)dcrn, (uint32_t)dcrn); helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG); } @@ -146,13 +148,14 @@ target_ulong helper_load_dcr(CPUPPCState *env, target_ulong dcrn) void helper_store_dcr(CPUPPCState *env, target_ulong dcrn, target_ulong val) { if (unlikely(env->dcr_env == NULL)) { - qemu_log("No DCR environment\n"); + qemu_log_mask(LOG_GUEST_ERROR, "No DCR environment\n"); helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL); } else if (unlikely(ppc_dcr_write(env->dcr_env, (uint32_t)dcrn, (uint32_t)val) != 0)) { - qemu_log("DCR write error %d %03x\n", (uint32_t)dcrn, (uint32_t)dcrn); + qemu_log_mask(LOG_GUEST_ERROR, "DCR write error %d %03x\n", + (uint32_t)dcrn, (uint32_t)dcrn); helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG); } diff --git a/qemu/target-ppc/translate.c b/qemu/target-ppc/translate.c index 84c5cead6..b3860ecde 100644 --- a/qemu/target-ppc/translate.c +++ b/qemu/target-ppc/translate.c @@ -18,6 +18,7 @@ * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" #include "cpu.h" #include "disas/disas.h" #include "tcg-op.h" @@ -28,6 +29,7 @@ #include "exec/helper-gen.h" #include "trace-tcg.h" +#include "exec/log.h" #define CPU_SINGLE_STEP 0x1 @@ -47,7 +49,7 @@ /* Code translation helpers */ /* global register indexes */ -static TCGv_ptr cpu_env; +static TCGv_env cpu_env; static char cpu_reg_names[10*3 + 22*4 /* GPR */ + 10*4 + 22*5 /* SPE GPRh */ + 10*4 + 22*5 /* FPR */ @@ -91,7 +93,7 @@ void ppc_translate_init(void) for (i = 0; i < 8; i++) { snprintf(p, cpu_reg_names_size, "crf%d", i); - cpu_crf[i] = tcg_global_mem_new_i32(TCG_AREG0, + cpu_crf[i] = tcg_global_mem_new_i32(cpu_env, offsetof(CPUPPCState, crf[i]), p); p += 5; cpu_reg_names_size -= 5; @@ -99,28 +101,28 @@ void ppc_translate_init(void) for (i = 0; i < 32; i++) { snprintf(p, cpu_reg_names_size, "r%d", i); - cpu_gpr[i] = tcg_global_mem_new(TCG_AREG0, + cpu_gpr[i] = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, gpr[i]), p); p += (i < 10) ? 3 : 4; cpu_reg_names_size -= (i < 10) ? 3 : 4; snprintf(p, cpu_reg_names_size, "r%dH", i); - cpu_gprh[i] = tcg_global_mem_new(TCG_AREG0, + cpu_gprh[i] = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, gprh[i]), p); p += (i < 10) ? 4 : 5; cpu_reg_names_size -= (i < 10) ? 4 : 5; snprintf(p, cpu_reg_names_size, "fp%d", i); - cpu_fpr[i] = tcg_global_mem_new_i64(TCG_AREG0, + cpu_fpr[i] = tcg_global_mem_new_i64(cpu_env, offsetof(CPUPPCState, fpr[i]), p); p += (i < 10) ? 4 : 5; cpu_reg_names_size -= (i < 10) ? 4 : 5; snprintf(p, cpu_reg_names_size, "avr%dH", i); #ifdef HOST_WORDS_BIGENDIAN - cpu_avrh[i] = tcg_global_mem_new_i64(TCG_AREG0, + cpu_avrh[i] = tcg_global_mem_new_i64(cpu_env, offsetof(CPUPPCState, avr[i].u64[0]), p); #else - cpu_avrh[i] = tcg_global_mem_new_i64(TCG_AREG0, + cpu_avrh[i] = tcg_global_mem_new_i64(cpu_env, offsetof(CPUPPCState, avr[i].u64[1]), p); #endif p += (i < 10) ? 6 : 7; @@ -128,55 +130,55 @@ void ppc_translate_init(void) snprintf(p, cpu_reg_names_size, "avr%dL", i); #ifdef HOST_WORDS_BIGENDIAN - cpu_avrl[i] = tcg_global_mem_new_i64(TCG_AREG0, + cpu_avrl[i] = tcg_global_mem_new_i64(cpu_env, offsetof(CPUPPCState, avr[i].u64[1]), p); #else - cpu_avrl[i] = tcg_global_mem_new_i64(TCG_AREG0, + cpu_avrl[i] = tcg_global_mem_new_i64(cpu_env, offsetof(CPUPPCState, avr[i].u64[0]), p); #endif p += (i < 10) ? 6 : 7; cpu_reg_names_size -= (i < 10) ? 6 : 7; snprintf(p, cpu_reg_names_size, "vsr%d", i); - cpu_vsr[i] = tcg_global_mem_new_i64(TCG_AREG0, - offsetof(CPUPPCState, vsr[i]), p); + cpu_vsr[i] = tcg_global_mem_new_i64(cpu_env, + offsetof(CPUPPCState, vsr[i]), p); p += (i < 10) ? 5 : 6; cpu_reg_names_size -= (i < 10) ? 5 : 6; } - cpu_nip = tcg_global_mem_new(TCG_AREG0, + cpu_nip = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, nip), "nip"); - cpu_msr = tcg_global_mem_new(TCG_AREG0, + cpu_msr = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, msr), "msr"); - cpu_ctr = tcg_global_mem_new(TCG_AREG0, + cpu_ctr = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, ctr), "ctr"); - cpu_lr = tcg_global_mem_new(TCG_AREG0, + cpu_lr = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, lr), "lr"); #if defined(TARGET_PPC64) - cpu_cfar = tcg_global_mem_new(TCG_AREG0, + cpu_cfar = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, cfar), "cfar"); #endif - cpu_xer = tcg_global_mem_new(TCG_AREG0, + cpu_xer = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, xer), "xer"); - cpu_so = tcg_global_mem_new(TCG_AREG0, + cpu_so = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, so), "SO"); - cpu_ov = tcg_global_mem_new(TCG_AREG0, + cpu_ov = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, ov), "OV"); - cpu_ca = tcg_global_mem_new(TCG_AREG0, + cpu_ca = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, ca), "CA"); - cpu_reserve = tcg_global_mem_new(TCG_AREG0, + cpu_reserve = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, reserve_addr), "reserve_addr"); - cpu_fpscr = tcg_global_mem_new(TCG_AREG0, + cpu_fpscr = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, fpscr), "fpscr"); - cpu_access_type = tcg_global_mem_new_i32(TCG_AREG0, + cpu_access_type = tcg_global_mem_new_i32(cpu_env, offsetof(CPUPPCState, access_type), "access_type"); done_init = 1; @@ -2500,18 +2502,31 @@ static void gen_fmrgow(DisasContext *ctx) static void gen_mcrfs(DisasContext *ctx) { TCGv tmp = tcg_temp_new(); + TCGv_i32 tmask; + TCGv_i64 tnew_fpscr = tcg_temp_new_i64(); int bfa; + int nibble; + int shift; if (unlikely(!ctx->fpu_enabled)) { gen_exception(ctx, POWERPC_EXCP_FPU); return; } - bfa = 4 * (7 - crfS(ctx->opcode)); - tcg_gen_shri_tl(tmp, cpu_fpscr, bfa); + bfa = crfS(ctx->opcode); + nibble = 7 - bfa; + shift = 4 * nibble; + tcg_gen_shri_tl(tmp, cpu_fpscr, shift); tcg_gen_trunc_tl_i32(cpu_crf[crfD(ctx->opcode)], tmp); - tcg_temp_free(tmp); tcg_gen_andi_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfD(ctx->opcode)], 0xf); - tcg_gen_andi_tl(cpu_fpscr, cpu_fpscr, ~(0xF << bfa)); + tcg_temp_free(tmp); + tcg_gen_extu_tl_i64(tnew_fpscr, cpu_fpscr); + /* Only the exception bits (including FX) should be cleared if read */ + tcg_gen_andi_i64(tnew_fpscr, tnew_fpscr, ~((0xF << shift) & FP_EX_CLEAR_BITS)); + /* FEX and VX need to be updated, so don't set fpscr directly */ + tmask = tcg_const_i32(1 << nibble); + gen_helper_store_fpscr(cpu_env, tnew_fpscr, tmask); + tcg_temp_free_i32(tmask); + tcg_temp_free_i64(tnew_fpscr); } /* mffs */ @@ -3212,10 +3227,8 @@ static void gen_lswi(DisasContext *ctx) if (nb == 0) nb = 32; - nr = nb / 4; - if (unlikely(((start + nr) > 32 && - start <= ra && (start + nr - 32) > ra) || - ((start + nr) <= 32 && start <= ra && (start + nr) > ra))) { + nr = (nb + 3) / 4; + if (unlikely(lsw_reg_in_range(start, nr, ra))) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX); return; } @@ -4267,14 +4280,17 @@ static inline void gen_op_mfspr(DisasContext *ctx) void (*read_cb)(DisasContext *ctx, int gprn, int sprn); uint32_t sprn = SPR(ctx->opcode); -#if !defined(CONFIG_USER_ONLY) - if (ctx->hv) +#if defined(CONFIG_USER_ONLY) + read_cb = ctx->spr_cb[sprn].uea_read; +#else + if (ctx->pr) { + read_cb = ctx->spr_cb[sprn].uea_read; + } else if (ctx->hv) { read_cb = ctx->spr_cb[sprn].hea_read; - else if (!ctx->pr) + } else { read_cb = ctx->spr_cb[sprn].oea_read; - else + } #endif - read_cb = ctx->spr_cb[sprn].uea_read; if (likely(read_cb != NULL)) { if (likely(read_cb != SPR_NOACCESS)) { (*read_cb)(ctx, rD(ctx->opcode), sprn); @@ -4285,19 +4301,23 @@ static inline void gen_op_mfspr(DisasContext *ctx) * allowing userland application to read the PVR */ if (sprn != SPR_PVR) { - qemu_log("Trying to read privileged spr %d (0x%03x) at " - TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); - printf("Trying to read privileged spr %d (0x%03x) at " - TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); + fprintf(stderr, "Trying to read privileged spr %d (0x%03x) at " + TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); + if (qemu_log_separate()) { + qemu_log("Trying to read privileged spr %d (0x%03x) at " + TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); + } } gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); } } else { /* Not defined */ - qemu_log("Trying to read invalid spr %d (0x%03x) at " - TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); - printf("Trying to read invalid spr %d (0x%03x) at " - TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); + fprintf(stderr, "Trying to read invalid spr %d (0x%03x) at " + TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); + if (qemu_log_separate()) { + qemu_log("Trying to read invalid spr %d (0x%03x) at " + TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); + } gen_inval_exception(ctx, POWERPC_EXCP_INVAL_SPR); } } @@ -4418,31 +4438,38 @@ static void gen_mtspr(DisasContext *ctx) void (*write_cb)(DisasContext *ctx, int sprn, int gprn); uint32_t sprn = SPR(ctx->opcode); -#if !defined(CONFIG_USER_ONLY) - if (ctx->hv) +#if defined(CONFIG_USER_ONLY) + write_cb = ctx->spr_cb[sprn].uea_write; +#else + if (ctx->pr) { + write_cb = ctx->spr_cb[sprn].uea_write; + } else if (ctx->hv) { write_cb = ctx->spr_cb[sprn].hea_write; - else if (!ctx->pr) + } else { write_cb = ctx->spr_cb[sprn].oea_write; - else + } #endif - write_cb = ctx->spr_cb[sprn].uea_write; if (likely(write_cb != NULL)) { if (likely(write_cb != SPR_NOACCESS)) { (*write_cb)(ctx, sprn, rS(ctx->opcode)); } else { /* Privilege exception */ - qemu_log("Trying to write privileged spr %d (0x%03x) at " - TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); - printf("Trying to write privileged spr %d (0x%03x) at " - TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); + fprintf(stderr, "Trying to write privileged spr %d (0x%03x) at " + TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); + if (qemu_log_separate()) { + qemu_log("Trying to write privileged spr %d (0x%03x) at " + TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); + } gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); } } else { /* Not defined */ - qemu_log("Trying to write invalid spr %d (0x%03x) at " - TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); - printf("Trying to write invalid spr %d (0x%03x) at " - TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); + if (qemu_log_separate()) { + qemu_log("Trying to write invalid spr %d (0x%03x) at " + TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); + } + fprintf(stderr, "Trying to write invalid spr %d (0x%03x) at " + TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); gen_inval_exception(ctx, POWERPC_EXCP_INVAL_SPR); } } @@ -5896,7 +5923,7 @@ static void gen_tlbiva(DisasContext *ctx) } t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); - gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]); + gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]); tcg_temp_free(t0); #endif } @@ -9884,7 +9911,7 @@ GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC), GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B), #endif GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001FF801, PPC_MISC), -GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000001, PPC_MISC), +GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC), GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE), GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE), GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE), @@ -10670,6 +10697,13 @@ GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 1, opc3, 0, PPC_NONE, fl2), \ GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 2, opc3, 0, PPC_NONE, fl2), \ GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 3, opc3, 0, PPC_NONE, fl2) +#undef GEN_XX2IFORM +#define GEN_XX2IFORM(name, opc2, opc3, fl2) \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0, opc3, 1, PPC_NONE, fl2), \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 1, opc3, 1, PPC_NONE, fl2), \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 2, opc3, 1, PPC_NONE, fl2), \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 3, opc3, 1, PPC_NONE, fl2) + #undef GEN_XX3_RC_FORM #define GEN_XX3_RC_FORM(name, opc2, opc3, fl2) \ GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0x00, opc3 | 0x00, 0, PPC_NONE, fl2), \ @@ -10731,8 +10765,8 @@ GEN_XX3FORM(xsnmaddadp, 0x04, 0x14, PPC2_VSX), GEN_XX3FORM(xsnmaddmdp, 0x04, 0x15, PPC2_VSX), GEN_XX3FORM(xsnmsubadp, 0x04, 0x16, PPC2_VSX), GEN_XX3FORM(xsnmsubmdp, 0x04, 0x17, PPC2_VSX), -GEN_XX2FORM(xscmpodp, 0x0C, 0x05, PPC2_VSX), -GEN_XX2FORM(xscmpudp, 0x0C, 0x04, PPC2_VSX), +GEN_XX2IFORM(xscmpodp, 0x0C, 0x05, PPC2_VSX), +GEN_XX2IFORM(xscmpudp, 0x0C, 0x04, PPC2_VSX), GEN_XX3FORM(xsmaxdp, 0x00, 0x14, PPC2_VSX), GEN_XX3FORM(xsmindp, 0x00, 0x15, PPC2_VSX), GEN_XX2FORM(xscvdpsp, 0x12, 0x10, PPC2_VSX), @@ -11320,9 +11354,11 @@ void ppc_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf, case POWERPC_MMU_SOFT_74xx: #if defined(TARGET_PPC64) case POWERPC_MMU_64B: + case POWERPC_MMU_2_03: case POWERPC_MMU_2_06: case POWERPC_MMU_2_06a: - case POWERPC_MMU_2_06d: + case POWERPC_MMU_2_07: + case POWERPC_MMU_2_07a: #endif cpu_fprintf(f, " SDR1 " TARGET_FMT_lx " DAR " TARGET_FMT_lx " DSISR " TARGET_FMT_lx "\n", env->spr[SPR_SDR1], @@ -11402,17 +11438,13 @@ void ppc_cpu_dump_statistics(CPUState *cs, FILE*f, } /*****************************************************************************/ -static inline void gen_intermediate_code_internal(PowerPCCPU *cpu, - TranslationBlock *tb, - bool search_pc) +void gen_intermediate_code(CPUPPCState *env, struct TranslationBlock *tb) { + PowerPCCPU *cpu = ppc_env_get_cpu(env); CPUState *cs = CPU(cpu); - CPUPPCState *env = &cpu->env; DisasContext ctx, *ctxp = &ctx; opc_handler_t **table, *handler; target_ulong pc_start; - CPUBreakpoint *bp; - int j, lj = -1; int num_insns; int max_insns; @@ -11469,36 +11501,34 @@ static inline void gen_intermediate_code_internal(PowerPCCPU *cpu, #endif num_insns = 0; max_insns = tb->cflags & CF_COUNT_MASK; - if (max_insns == 0) + if (max_insns == 0) { max_insns = CF_COUNT_MASK; + } + if (max_insns > TCG_MAX_INSNS) { + max_insns = TCG_MAX_INSNS; + } gen_tb_start(tb); tcg_clear_temp_count(); /* Set env in case of segfault during code fetch */ while (ctx.exception == POWERPC_EXCP_NONE && !tcg_op_buf_full()) { - if (unlikely(!QTAILQ_EMPTY(&cs->breakpoints))) { - QTAILQ_FOREACH(bp, &cs->breakpoints, entry) { - if (bp->pc == ctx.nip) { - gen_debug_exception(ctxp); - break; - } - } - } - if (unlikely(search_pc)) { - j = tcg_op_buf_count(); - if (lj < j) { - lj++; - while (lj < j) - tcg_ctx.gen_opc_instr_start[lj++] = 0; - } - tcg_ctx.gen_opc_pc[lj] = ctx.nip; - tcg_ctx.gen_opc_instr_start[lj] = 1; - tcg_ctx.gen_opc_icount[lj] = num_insns; + tcg_gen_insn_start(ctx.nip); + num_insns++; + + if (unlikely(cpu_breakpoint_test(cs, ctx.nip, BP_ANY))) { + gen_debug_exception(ctxp); + /* The address covered by the breakpoint must be included in + [tb->pc, tb->pc + tb->size) in order to for it to be + properly cleared -- thus we increment the PC here so that + the logic setting tb->size below does the right thing. */ + ctx.nip += 4; + break; } + LOG_DISAS("----------------\n"); LOG_DISAS("nip=" TARGET_FMT_lx " super=%d ir=%d\n", ctx.nip, ctx.mem_idx, (int)msr_ir); - if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) + if (num_insns == max_insns && (tb->cflags & CF_LAST_IO)) gen_io_start(); if (unlikely(need_byteswap(&ctx))) { ctx.opcode = bswap32(cpu_ldl_code(env, ctx.nip)); @@ -11508,12 +11538,8 @@ static inline void gen_intermediate_code_internal(PowerPCCPU *cpu, LOG_DISAS("translate opcode %08x (%02x %02x %02x) (%s)\n", ctx.opcode, opc1(ctx.opcode), opc2(ctx.opcode), opc3(ctx.opcode), ctx.le_mode ? "little" : "big"); - if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP | CPU_LOG_TB_OP_OPT))) { - tcg_gen_debug_insn_start(ctx.nip); - } ctx.nip += 4; table = env->opcodes; - num_insns++; handler = table[opc1(ctx.opcode)]; if (is_indirect_opcode(handler)) { table = ind_table(handler); @@ -11525,12 +11551,10 @@ static inline void gen_intermediate_code_internal(PowerPCCPU *cpu, } /* Is opcode *REALLY* valid ? */ if (unlikely(handler->handler == &gen_invalid)) { - if (qemu_log_enabled()) { - qemu_log("invalid/unsupported opcode: " - "%02x - %02x - %02x (%08x) " TARGET_FMT_lx " %d\n", - opc1(ctx.opcode), opc2(ctx.opcode), - opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, (int)msr_ir); - } + qemu_log_mask(LOG_GUEST_ERROR, "invalid/unsupported opcode: " + "%02x - %02x - %02x (%08x) " TARGET_FMT_lx " %d\n", + opc1(ctx.opcode), opc2(ctx.opcode), + opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, (int)msr_ir); } else { uint32_t inval; @@ -11541,13 +11565,11 @@ static inline void gen_intermediate_code_internal(PowerPCCPU *cpu, } if (unlikely((ctx.opcode & inval) != 0)) { - if (qemu_log_enabled()) { - qemu_log("invalid bits: %08x for opcode: " - "%02x - %02x - %02x (%08x) " TARGET_FMT_lx "\n", - ctx.opcode & inval, opc1(ctx.opcode), - opc2(ctx.opcode), opc3(ctx.opcode), - ctx.opcode, ctx.nip - 4); - } + qemu_log_mask(LOG_GUEST_ERROR, "invalid bits: %08x for opcode: " + "%02x - %02x - %02x (%08x) " TARGET_FMT_lx "\n", + ctx.opcode & inval, opc1(ctx.opcode), + opc2(ctx.opcode), opc3(ctx.opcode), + ctx.opcode, ctx.nip - 4); gen_inval_exception(ctxp, POWERPC_EXCP_INVAL_INVAL); break; } @@ -11592,15 +11614,9 @@ static inline void gen_intermediate_code_internal(PowerPCCPU *cpu, } gen_tb_end(tb, num_insns); - if (unlikely(search_pc)) { - j = tcg_op_buf_count(); - lj++; - while (lj <= j) - tcg_ctx.gen_opc_instr_start[lj++] = 0; - } else { - tb->size = ctx.nip - pc_start; - tb->icount = num_insns; - } + tb->size = ctx.nip - pc_start; + tb->icount = num_insns; + #if defined(DEBUG_DISAS) if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { int flags; @@ -11613,17 +11629,8 @@ static inline void gen_intermediate_code_internal(PowerPCCPU *cpu, #endif } -void gen_intermediate_code (CPUPPCState *env, struct TranslationBlock *tb) -{ - gen_intermediate_code_internal(ppc_env_get_cpu(env), tb, false); -} - -void gen_intermediate_code_pc (CPUPPCState *env, struct TranslationBlock *tb) -{ - gen_intermediate_code_internal(ppc_env_get_cpu(env), tb, true); -} - -void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb, int pc_pos) +void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb, + target_ulong *data) { - env->nip = tcg_ctx.gen_opc_pc[pc_pos]; + env->nip = data[0]; } diff --git a/qemu/target-ppc/translate_init.c b/qemu/target-ppc/translate_init.c index 16d7b16ac..f51572552 100644 --- a/qemu/target-ppc/translate_init.c +++ b/qemu/target-ppc/translate_init.c @@ -18,6 +18,7 @@ * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" #include "disas/bfd.h" #include "exec/gdbstub.h" #include <sysemu/kvm.h> @@ -305,7 +306,7 @@ static void spr_read_ibat (DisasContext *ctx, int gprn, int sprn) static void spr_read_ibat_h (DisasContext *ctx, int gprn, int sprn) { - tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, offsetof(CPUPPCState, IBAT[sprn & 1][(sprn - SPR_IBAT4U) / 2])); + tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, offsetof(CPUPPCState, IBAT[sprn & 1][((sprn - SPR_IBAT4U) / 2) + 4])); } static void spr_write_ibatu (DisasContext *ctx, int sprn, int gprn) @@ -578,17 +579,33 @@ static inline void vscr_init (CPUPPCState *env, uint32_t val) #define spr_register_kvm(env, num, name, uea_read, uea_write, \ oea_read, oea_write, one_reg_id, initial_value) \ _spr_register(env, num, name, uea_read, uea_write, initial_value) +#define spr_register_kvm_hv(env, num, name, uea_read, uea_write, \ + oea_read, oea_write, hea_read, hea_write, \ + one_reg_id, initial_value) \ + _spr_register(env, num, name, uea_read, uea_write, initial_value) #else #if !defined(CONFIG_KVM) #define spr_register_kvm(env, num, name, uea_read, uea_write, \ - oea_read, oea_write, one_reg_id, initial_value) \ + oea_read, oea_write, one_reg_id, initial_value) \ + _spr_register(env, num, name, uea_read, uea_write, \ + oea_read, oea_write, oea_read, oea_write, initial_value) +#define spr_register_kvm_hv(env, num, name, uea_read, uea_write, \ + oea_read, oea_write, hea_read, hea_write, \ + one_reg_id, initial_value) \ _spr_register(env, num, name, uea_read, uea_write, \ - oea_read, oea_write, initial_value) + oea_read, oea_write, hea_read, hea_write, initial_value) #else #define spr_register_kvm(env, num, name, uea_read, uea_write, \ - oea_read, oea_write, one_reg_id, initial_value) \ + oea_read, oea_write, one_reg_id, initial_value) \ + _spr_register(env, num, name, uea_read, uea_write, \ + oea_read, oea_write, oea_read, oea_write, \ + one_reg_id, initial_value) +#define spr_register_kvm_hv(env, num, name, uea_read, uea_write, \ + oea_read, oea_write, hea_read, hea_write, \ + one_reg_id, initial_value) \ _spr_register(env, num, name, uea_read, uea_write, \ - oea_read, oea_write, one_reg_id, initial_value) + oea_read, oea_write, hea_read, hea_write, \ + one_reg_id, initial_value) #endif #endif @@ -597,6 +614,13 @@ static inline void vscr_init (CPUPPCState *env, uint32_t val) spr_register_kvm(env, num, name, uea_read, uea_write, \ oea_read, oea_write, 0, initial_value) +#define spr_register_hv(env, num, name, uea_read, uea_write, \ + oea_read, oea_write, hea_read, hea_write, \ + initial_value) \ + spr_register_kvm_hv(env, num, name, uea_read, uea_write, \ + oea_read, oea_write, hea_read, hea_write, \ + 0, initial_value) + static inline void _spr_register(CPUPPCState *env, int num, const char *name, void (*uea_read)(DisasContext *ctx, int gprn, int sprn), @@ -605,6 +629,8 @@ static inline void _spr_register(CPUPPCState *env, int num, void (*oea_read)(DisasContext *ctx, int gprn, int sprn), void (*oea_write)(DisasContext *ctx, int sprn, int gprn), + void (*hea_read)(DisasContext *opaque, int gprn, int sprn), + void (*hea_write)(DisasContext *opaque, int sprn, int gprn), #endif #if defined(CONFIG_KVM) uint64_t one_reg_id, @@ -632,6 +658,8 @@ static inline void _spr_register(CPUPPCState *env, int num, #if !defined(CONFIG_USER_ONLY) spr->oea_read = oea_read; spr->oea_write = oea_write; + spr->hea_read = hea_read; + spr->hea_write = hea_write; #endif #if defined(CONFIG_KVM) spr->one_reg_id = one_reg_id, @@ -1035,30 +1063,102 @@ static void gen_spr_7xx (CPUPPCState *env) #ifdef TARGET_PPC64 #ifndef CONFIG_USER_ONLY -static void spr_read_uamr (DisasContext *ctx, int gprn, int sprn) +static void spr_write_amr(DisasContext *ctx, int sprn, int gprn) { - gen_load_spr(cpu_gpr[gprn], SPR_AMR); - spr_load_dump_spr(SPR_AMR); -} + TCGv t0 = tcg_temp_new(); + TCGv t1 = tcg_temp_new(); + TCGv t2 = tcg_temp_new(); -static void spr_write_uamr (DisasContext *ctx, int sprn, int gprn) -{ - gen_store_spr(SPR_AMR, cpu_gpr[gprn]); + /* Note, the HV=1 PR=0 case is handled earlier by simply using + * spr_write_generic for HV mode in the SPR table + */ + + /* Build insertion mask into t1 based on context */ + if (ctx->pr) { + gen_load_spr(t1, SPR_UAMOR); + } else { + gen_load_spr(t1, SPR_AMOR); + } + + /* Mask new bits into t2 */ + tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]); + + /* Load AMR and clear new bits in t0 */ + gen_load_spr(t0, SPR_AMR); + tcg_gen_andc_tl(t0, t0, t1); + + /* Or'in new bits and write it out */ + tcg_gen_or_tl(t0, t0, t2); + gen_store_spr(SPR_AMR, t0); spr_store_dump_spr(SPR_AMR); + + tcg_temp_free(t0); + tcg_temp_free(t1); + tcg_temp_free(t2); } -static void spr_write_uamr_pr (DisasContext *ctx, int sprn, int gprn) +static void spr_write_uamor(DisasContext *ctx, int sprn, int gprn) { TCGv t0 = tcg_temp_new(); + TCGv t1 = tcg_temp_new(); + TCGv t2 = tcg_temp_new(); + + /* Note, the HV=1 case is handled earlier by simply using + * spr_write_generic for HV mode in the SPR table + */ + + /* Build insertion mask into t1 based on context */ + gen_load_spr(t1, SPR_AMOR); + /* Mask new bits into t2 */ + tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]); + + /* Load AMR and clear new bits in t0 */ gen_load_spr(t0, SPR_UAMOR); - tcg_gen_and_tl(t0, t0, cpu_gpr[gprn]); - gen_store_spr(SPR_AMR, t0); - spr_store_dump_spr(SPR_AMR); + tcg_gen_andc_tl(t0, t0, t1); + + /* Or'in new bits and write it out */ + tcg_gen_or_tl(t0, t0, t2); + gen_store_spr(SPR_UAMOR, t0); + spr_store_dump_spr(SPR_UAMOR); + + tcg_temp_free(t0); + tcg_temp_free(t1); + tcg_temp_free(t2); +} + +static void spr_write_iamr(DisasContext *ctx, int sprn, int gprn) +{ + TCGv t0 = tcg_temp_new(); + TCGv t1 = tcg_temp_new(); + TCGv t2 = tcg_temp_new(); + + /* Note, the HV=1 case is handled earlier by simply using + * spr_write_generic for HV mode in the SPR table + */ + + /* Build insertion mask into t1 based on context */ + gen_load_spr(t1, SPR_AMOR); + + /* Mask new bits into t2 */ + tcg_gen_and_tl(t2, t1, cpu_gpr[gprn]); + + /* Load AMR and clear new bits in t0 */ + gen_load_spr(t0, SPR_IAMR); + tcg_gen_andc_tl(t0, t0, t1); + + /* Or'in new bits and write it out */ + tcg_gen_or_tl(t0, t0, t2); + gen_store_spr(SPR_IAMR, t0); + spr_store_dump_spr(SPR_IAMR); + + tcg_temp_free(t0); + tcg_temp_free(t1); + tcg_temp_free(t2); } #endif /* CONFIG_USER_ONLY */ -static void gen_spr_amr (CPUPPCState *env) +static void gen_spr_amr(CPUPPCState *env, bool has_iamr) { #ifndef CONFIG_USER_ONLY /* Virtual Page Class Key protection */ @@ -1066,17 +1166,31 @@ static void gen_spr_amr (CPUPPCState *env) * userspace accessible, 29 is privileged. So we only need to set * the kvm ONE_REG id on one of them, we use 29 */ spr_register(env, SPR_UAMR, "UAMR", - &spr_read_uamr, &spr_write_uamr_pr, - &spr_read_uamr, &spr_write_uamr, + &spr_read_generic, &spr_write_amr, + &spr_read_generic, &spr_write_amr, 0); - spr_register_kvm(env, SPR_AMR, "AMR", + spr_register_kvm_hv(env, SPR_AMR, "AMR", SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_amr, &spr_read_generic, &spr_write_generic, KVM_REG_PPC_AMR, 0); - spr_register_kvm(env, SPR_UAMOR, "UAMOR", + spr_register_kvm_hv(env, SPR_UAMOR, "UAMOR", SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_uamor, &spr_read_generic, &spr_write_generic, KVM_REG_PPC_UAMOR, 0); + spr_register_hv(env, SPR_AMOR, "AMOR", + SPR_NOACCESS, SPR_NOACCESS, + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0); + if (has_iamr) { + spr_register_kvm_hv(env, SPR_IAMR, "IAMR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_iamr, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_IAMR, 0); + } #endif /* !CONFIG_USER_ONLY */ } #endif /* TARGET_PPC64 */ @@ -7463,6 +7577,25 @@ static void gen_spr_book3s_dbg(CPUPPCState *env) KVM_REG_PPC_DABRX, 0x00000000); } +static void gen_spr_book3s_207_dbg(CPUPPCState *env) +{ + spr_register_kvm_hv(env, SPR_DAWR, "DAWR", + SPR_NOACCESS, SPR_NOACCESS, + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_DAWR, 0x00000000); + spr_register_kvm_hv(env, SPR_DAWRX, "DAWRX", + SPR_NOACCESS, SPR_NOACCESS, + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_DAWRX, 0x00000000); + spr_register_kvm_hv(env, SPR_CIABR, "CIABR", + SPR_NOACCESS, SPR_NOACCESS, + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_CIABR, 0x00000000); +} + static void gen_spr_970_dbg(CPUPPCState *env) { /* Breakpoints */ @@ -7602,6 +7735,30 @@ static void gen_spr_power8_pmu_sup(CPUPPCState *env) SPR_NOACCESS, SPR_NOACCESS, &spr_read_generic, &spr_write_generic, KVM_REG_PPC_MMCRS, 0x00000000); + spr_register_kvm(env, SPR_POWER_SIER, "SIER", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_SIER, 0x00000000); + spr_register_kvm(env, SPR_POWER_SPMC1, "SPMC1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_SPMC1, 0x00000000); + spr_register_kvm(env, SPR_POWER_SPMC2, "SPMC2", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_SPMC2, 0x00000000); + spr_register_kvm(env, SPR_TACR, "TACR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_TACR, 0x00000000); + spr_register_kvm(env, SPR_TCSCR, "TCSCR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_TCSCR, 0x00000000); + spr_register_kvm(env, SPR_CSIGR, "CSIGR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_CSIGR, 0x00000000); } static void gen_spr_power8_pmu_user(CPUPPCState *env) @@ -7610,6 +7767,10 @@ static void gen_spr_power8_pmu_user(CPUPPCState *env) &spr_read_ureg, SPR_NOACCESS, &spr_read_ureg, &spr_write_ureg, 0x00000000); + spr_register(env, SPR_POWER_USIER, "USIER", + &spr_read_generic, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); } static void gen_spr_power5p_ear(CPUPPCState *env) @@ -7713,10 +7874,10 @@ static void spr_write_tar(DisasContext *ctx, int sprn, int gprn) static void gen_spr_power8_tce_address_control(CPUPPCState *env) { - spr_register(env, SPR_TAR, "TAR", - &spr_read_tar, &spr_write_tar, - &spr_read_generic, &spr_write_generic, - 0x00000000); + spr_register_kvm(env, SPR_TAR, "TAR", + &spr_read_tar, &spr_write_tar, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_TAR, 0x00000000); } static void spr_read_tm(DisasContext *ctx, int gprn, int sprn) @@ -7841,6 +8002,44 @@ static void gen_spr_power8_fscr(CPUPPCState *env) KVM_REG_PPC_FSCR, initval); } +static void gen_spr_power8_pspb(CPUPPCState *env) +{ + spr_register_kvm(env, SPR_PSPB, "PSPB", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic32, + KVM_REG_PPC_PSPB, 0); +} + +static void gen_spr_power8_ic(CPUPPCState *env) +{ +#if !defined(CONFIG_USER_ONLY) + spr_register_hv(env, SPR_IC, "IC", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0); +#endif +} + +static void gen_spr_power8_book4(CPUPPCState *env) +{ + /* Add a number of P8 book4 registers */ +#if !defined(CONFIG_USER_ONLY) + spr_register_kvm(env, SPR_ACOP, "ACOP", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_ACOP, 0); + spr_register_kvm(env, SPR_BOOKS_PID, "PID", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_PID, 0); + spr_register_kvm(env, SPR_WORT, "WORT", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_WORT, 0); +#endif +} + static void init_proc_book3s_64(CPUPPCState *env, int version) { gen_spr_ne_601(env); @@ -7862,8 +8061,9 @@ static void init_proc_book3s_64(CPUPPCState *env, int version) case BOOK3S_CPU_POWER7: case BOOK3S_CPU_POWER8: gen_spr_book3s_ids(env); - gen_spr_amr(env); + gen_spr_amr(env, version >= BOOK3S_CPU_POWER8); gen_spr_book3s_purr(env); + env->ci_large_pages = true; break; default: g_assert_not_reached(); @@ -7890,10 +8090,15 @@ static void init_proc_book3s_64(CPUPPCState *env, int version) gen_spr_power8_pmu_sup(env); gen_spr_power8_pmu_user(env); gen_spr_power8_tm(env); + gen_spr_power8_pspb(env); gen_spr_vtb(env); + gen_spr_power8_ic(env); + gen_spr_power8_book4(env); } if (version < BOOK3S_CPU_POWER8) { gen_spr_book3s_dbg(env); + } else { + gen_spr_book3s_207_dbg(env); } #if !defined(CONFIG_USER_ONLY) switch (version) { @@ -8019,7 +8224,7 @@ POWERPC_FAMILY(POWER5P)(ObjectClass *oc, void *data) (1ull << MSR_DR) | (1ull << MSR_PMM) | (1ull << MSR_RI); - pcc->mmu_model = POWERPC_MMU_64B; + pcc->mmu_model = POWERPC_MMU_2_03; #if defined(CONFIG_SOFTMMU) pcc->handle_mmu_fault = ppc_hash64_handle_mmu_fault; #endif @@ -8033,8 +8238,8 @@ POWERPC_FAMILY(POWER5P)(ObjectClass *oc, void *data) pcc->l1_icache_size = 0x10000; } -static void powerpc_get_compat(Object *obj, Visitor *v, - void *opaque, const char *name, Error **errp) +static void powerpc_get_compat(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) { char *value = (char *)""; Property *prop = opaque; @@ -8058,18 +8263,18 @@ static void powerpc_get_compat(Object *obj, Visitor *v, break; } - visit_type_str(v, &value, name, errp); + visit_type_str(v, name, &value, errp); } -static void powerpc_set_compat(Object *obj, Visitor *v, - void *opaque, const char *name, Error **errp) +static void powerpc_set_compat(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) { Error *error = NULL; char *value = NULL; Property *prop = opaque; uint32_t *max_compat = qdev_get_prop_ptr(DEVICE(obj), prop); - visit_type_str(v, &value, name, &error); + visit_type_str(v, name, &value, &error); if (error) { error_propagate(errp, error); return; @@ -8103,6 +8308,36 @@ static Property powerpc_servercpu_properties[] = { DEFINE_PROP_END_OF_LIST(), }; +#ifdef CONFIG_SOFTMMU +static const struct ppc_segment_page_sizes POWER7_POWER8_sps = { + .sps = { + { + .page_shift = 12, /* 4K */ + .slb_enc = 0, + .enc = { { .page_shift = 12, .pte_enc = 0 }, + { .page_shift = 16, .pte_enc = 0x7 }, + { .page_shift = 24, .pte_enc = 0x38 }, }, + }, + { + .page_shift = 16, /* 64K */ + .slb_enc = SLB_VSID_64K, + .enc = { { .page_shift = 16, .pte_enc = 0x1 }, + { .page_shift = 24, .pte_enc = 0x8 }, }, + }, + { + .page_shift = 24, /* 16M */ + .slb_enc = SLB_VSID_16M, + .enc = { { .page_shift = 24, .pte_enc = 0 }, }, + }, + { + .page_shift = 34, /* 16G */ + .slb_enc = SLB_VSID_16G, + .enc = { { .page_shift = 34, .pte_enc = 0x3 }, }, + }, + } +}; +#endif /* CONFIG_SOFTMMU */ + static void init_proc_POWER7 (CPUPPCState *env) { init_proc_book3s_64(env, BOOK3S_CPU_POWER7); @@ -8166,6 +8401,7 @@ POWERPC_FAMILY(POWER7)(ObjectClass *oc, void *data) pcc->mmu_model = POWERPC_MMU_2_06; #if defined(CONFIG_SOFTMMU) pcc->handle_mmu_fault = ppc_hash64_handle_mmu_fault; + pcc->sps = &POWER7_POWER8_sps; #endif pcc->excp_model = POWERPC_EXCP_POWER7; pcc->bus_model = PPC_FLAGS_INPUT_POWER7; @@ -8186,6 +8422,9 @@ static void init_proc_POWER8(CPUPPCState *env) static bool ppc_pvr_match_power8(PowerPCCPUClass *pcc, uint32_t pvr) { + if ((pvr & CPU_POWERPC_POWER_SERVER_MASK) == CPU_POWERPC_POWER8NVL_BASE) { + return true; + } if ((pvr & CPU_POWERPC_POWER_SERVER_MASK) == CPU_POWERPC_POWER8E_BASE) { return true; } @@ -8243,11 +8482,12 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data) (1ull << MSR_PMM) | (1ull << MSR_RI) | (1ull << MSR_LE); - pcc->mmu_model = POWERPC_MMU_2_06; + pcc->mmu_model = POWERPC_MMU_2_07; #if defined(CONFIG_SOFTMMU) pcc->handle_mmu_fault = ppc_hash64_handle_mmu_fault; + pcc->sps = &POWER7_POWER8_sps; #endif - pcc->excp_model = POWERPC_EXCP_POWER7; + pcc->excp_model = POWERPC_EXCP_POWER8; pcc->bus_model = PPC_FLAGS_INPUT_POWER7; pcc->bfd_mach = bfd_mach_ppc64; pcc->flags = POWERPC_FLAG_VRE | POWERPC_FLAG_SE | @@ -8258,8 +8498,33 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data) pcc->l1_icache_size = 0x8000; pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr; } -#endif /* defined (TARGET_PPC64) */ +#if !defined(CONFIG_USER_ONLY) + +void cpu_ppc_set_papr(PowerPCCPU *cpu) +{ + CPUPPCState *env = &cpu->env; + ppc_spr_t *amor = &env->spr_cb[SPR_AMOR]; + + /* PAPR always has exception vectors in RAM not ROM. To ensure this, + * MSR[IP] should never be set. + * + * We also disallow setting of MSR_HV + */ + env->msr_mask &= ~((1ull << MSR_EP) | MSR_HVB); + + /* Set a full AMOR so guest can use the AMR as it sees fit */ + env->spr[SPR_AMOR] = amor->default_value = 0xffffffffffffffffull; + + /* Tell KVM that we're in PAPR mode */ + if (kvm_enabled()) { + kvmppc_set_papr(cpu); + } +} + +#endif /* !defined(CONFIG_USER_ONLY) */ + +#endif /* defined (TARGET_PPC64) */ /*****************************************************************************/ /* Generic CPU instantiation routine */ @@ -8470,8 +8735,6 @@ static void dump_ppc_sprs (CPUPPCState *env) #endif /*****************************************************************************/ -#include <stdlib.h> -#include <string.h> /* Opcode types */ enum { @@ -8577,11 +8840,7 @@ static int register_ind_insn (opc_handler_t **ppc_opcodes, unsigned char idx1, unsigned char idx2, opc_handler_t *handler) { - int ret; - - ret = register_ind_in_table(ppc_opcodes, idx1, idx2, handler); - - return ret; + return register_ind_in_table(ppc_opcodes, idx1, idx2, handler); } static int register_dblind_insn (opc_handler_t **ppc_opcodes, @@ -8754,14 +9013,25 @@ static void dump_ppc_insns (CPUPPCState *env) } #endif +static bool avr_need_swap(CPUPPCState *env) +{ +#ifdef HOST_WORDS_BIGENDIAN + return msr_le; +#else + return !msr_le; +#endif +} + static int gdb_get_float_reg(CPUPPCState *env, uint8_t *mem_buf, int n) { if (n < 32) { stfq_p(mem_buf, env->fpr[n]); + ppc_maybe_bswap_register(env, mem_buf, 8); return 8; } if (n == 32) { stl_p(mem_buf, env->fpscr); + ppc_maybe_bswap_register(env, mem_buf, 4); return 4; } return 0; @@ -8770,10 +9040,12 @@ static int gdb_get_float_reg(CPUPPCState *env, uint8_t *mem_buf, int n) static int gdb_set_float_reg(CPUPPCState *env, uint8_t *mem_buf, int n) { if (n < 32) { + ppc_maybe_bswap_register(env, mem_buf, 8); env->fpr[n] = ldfq_p(mem_buf); return 8; } if (n == 32) { + ppc_maybe_bswap_register(env, mem_buf, 4); helper_store_fpscr(env, ldl_p(mem_buf), 0xffffffff); return 4; } @@ -8783,21 +9055,25 @@ static int gdb_set_float_reg(CPUPPCState *env, uint8_t *mem_buf, int n) static int gdb_get_avr_reg(CPUPPCState *env, uint8_t *mem_buf, int n) { if (n < 32) { -#ifdef HOST_WORDS_BIGENDIAN - stq_p(mem_buf, env->avr[n].u64[0]); - stq_p(mem_buf+8, env->avr[n].u64[1]); -#else - stq_p(mem_buf, env->avr[n].u64[1]); - stq_p(mem_buf+8, env->avr[n].u64[0]); -#endif + if (!avr_need_swap(env)) { + stq_p(mem_buf, env->avr[n].u64[0]); + stq_p(mem_buf+8, env->avr[n].u64[1]); + } else { + stq_p(mem_buf, env->avr[n].u64[1]); + stq_p(mem_buf+8, env->avr[n].u64[0]); + } + ppc_maybe_bswap_register(env, mem_buf, 8); + ppc_maybe_bswap_register(env, mem_buf + 8, 8); return 16; } if (n == 32) { stl_p(mem_buf, env->vscr); + ppc_maybe_bswap_register(env, mem_buf, 4); return 4; } if (n == 33) { stl_p(mem_buf, (uint32_t)env->spr[SPR_VRSAVE]); + ppc_maybe_bswap_register(env, mem_buf, 4); return 4; } return 0; @@ -8806,20 +9082,24 @@ static int gdb_get_avr_reg(CPUPPCState *env, uint8_t *mem_buf, int n) static int gdb_set_avr_reg(CPUPPCState *env, uint8_t *mem_buf, int n) { if (n < 32) { -#ifdef HOST_WORDS_BIGENDIAN - env->avr[n].u64[0] = ldq_p(mem_buf); - env->avr[n].u64[1] = ldq_p(mem_buf+8); -#else - env->avr[n].u64[1] = ldq_p(mem_buf); - env->avr[n].u64[0] = ldq_p(mem_buf+8); -#endif + ppc_maybe_bswap_register(env, mem_buf, 8); + ppc_maybe_bswap_register(env, mem_buf + 8, 8); + if (!avr_need_swap(env)) { + env->avr[n].u64[0] = ldq_p(mem_buf); + env->avr[n].u64[1] = ldq_p(mem_buf+8); + } else { + env->avr[n].u64[1] = ldq_p(mem_buf); + env->avr[n].u64[0] = ldq_p(mem_buf+8); + } return 16; } if (n == 32) { + ppc_maybe_bswap_register(env, mem_buf, 4); env->vscr = ldl_p(mem_buf); return 4; } if (n == 33) { + ppc_maybe_bswap_register(env, mem_buf, 4); env->spr[SPR_VRSAVE] = (target_ulong)ldl_p(mem_buf); return 4; } @@ -8831,6 +9111,7 @@ static int gdb_get_spe_reg(CPUPPCState *env, uint8_t *mem_buf, int n) if (n < 32) { #if defined(TARGET_PPC64) stl_p(mem_buf, env->gpr[n] >> 32); + ppc_maybe_bswap_register(env, mem_buf, 4); #else stl_p(mem_buf, env->gprh[n]); #endif @@ -8838,10 +9119,12 @@ static int gdb_get_spe_reg(CPUPPCState *env, uint8_t *mem_buf, int n) } if (n == 32) { stq_p(mem_buf, env->spe_acc); + ppc_maybe_bswap_register(env, mem_buf, 8); return 8; } if (n == 33) { stl_p(mem_buf, env->spe_fscr); + ppc_maybe_bswap_register(env, mem_buf, 4); return 4; } return 0; @@ -8852,7 +9135,11 @@ static int gdb_set_spe_reg(CPUPPCState *env, uint8_t *mem_buf, int n) if (n < 32) { #if defined(TARGET_PPC64) target_ulong lo = (uint32_t)env->gpr[n]; - target_ulong hi = (target_ulong)ldl_p(mem_buf) << 32; + target_ulong hi; + + ppc_maybe_bswap_register(env, mem_buf, 4); + + hi = (target_ulong)ldl_p(mem_buf) << 32; env->gpr[n] = lo | hi; #else env->gprh[n] = ldl_p(mem_buf); @@ -8860,16 +9147,38 @@ static int gdb_set_spe_reg(CPUPPCState *env, uint8_t *mem_buf, int n) return 4; } if (n == 32) { + ppc_maybe_bswap_register(env, mem_buf, 8); env->spe_acc = ldq_p(mem_buf); return 8; } if (n == 33) { + ppc_maybe_bswap_register(env, mem_buf, 4); env->spe_fscr = ldl_p(mem_buf); return 4; } return 0; } +static int gdb_get_vsx_reg(CPUPPCState *env, uint8_t *mem_buf, int n) +{ + if (n < 32) { + stq_p(mem_buf, env->vsr[n]); + ppc_maybe_bswap_register(env, mem_buf, 8); + return 8; + } + return 0; +} + +static int gdb_set_vsx_reg(CPUPPCState *env, uint8_t *mem_buf, int n) +{ + if (n < 32) { + ppc_maybe_bswap_register(env, mem_buf, 8); + env->vsr[n] = ldq_p(mem_buf); + return 8; + } + return 0; +} + static int ppc_fixup_cpu(PowerPCCPU *cpu) { CPUPPCState *env = &cpu->env; @@ -8975,6 +9284,10 @@ static void ppc_cpu_realizefn(DeviceState *dev, Error **errp) gdb_register_coprocessor(cs, gdb_get_spe_reg, gdb_set_spe_reg, 34, "power-spe.xml", 0); } + if (pcc->insns_flags2 & PPC2_VSX) { + gdb_register_coprocessor(cs, gdb_get_vsx_reg, gdb_set_vsx_reg, + 32, "power-vsx.xml", 0); + } qemu_init_vcpu(cs); @@ -9189,7 +9502,7 @@ int ppc_get_compat_smt_threads(PowerPCCPU *cpu) return ret; } -int ppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version) +void ppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version, Error **errp) { int ret = 0; CPUPPCState *env = &cpu->env; @@ -9211,12 +9524,13 @@ int ppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version) break; } - if (kvm_enabled() && kvmppc_set_compat(cpu, cpu->cpu_version) < 0) { - error_report("Unable to set compatibility mode in KVM"); - ret = -1; + if (kvm_enabled()) { + ret = kvmppc_set_compat(cpu, cpu->cpu_version); + if (ret < 0) { + error_setg_errno(errp, -ret, + "Unable to set CPU compatibility mode in KVM"); + } } - - return ret; } static gint ppc_cpu_compare_class_pvr(gconstpointer a, gconstpointer b) @@ -9306,7 +9620,6 @@ static gint ppc_cpu_compare_class_name(gconstpointer a, gconstpointer b) return -1; } -#include <ctype.h> static ObjectClass *ppc_cpu_class_by_name(const char *name); @@ -9350,8 +9663,7 @@ static ObjectClass *ppc_cpu_class_by_name(const char *name) break; } if (i == 8) { - ret = OBJECT_CLASS(ppc_cpu_class_by_pvr(strtoul(name, NULL, 16))); - return ret; + return OBJECT_CLASS(ppc_cpu_class_by_pvr(strtoul(name, NULL, 16))); } } @@ -9582,7 +9894,7 @@ static void ppc_cpu_reset(CPUState *s) #if defined(TARGET_PPC64) if (env->mmu_model & POWERPC_MMU_64) { - env->msr |= (1ULL << MSR_SF); + msr |= (1ULL << MSR_SF); } #endif @@ -9685,6 +9997,15 @@ static bool ppc_pvr_match_default(PowerPCCPUClass *pcc, uint32_t pvr) return pcc->pvr == pvr; } +static gchar *ppc_gdb_arch_name(CPUState *cs) +{ +#if defined(TARGET_PPC64) + return g_strdup("powerpc:common64"); +#else + return g_strdup("powerpc:common"); +#endif +} + static void ppc_cpu_class_init(ObjectClass *oc, void *data) { PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc); @@ -9716,7 +10037,6 @@ static void ppc_cpu_class_init(ObjectClass *oc, void *data) cc->vmsd = &vmstate_ppc_cpu; #if defined(TARGET_PPC64) cc->write_elf64_note = ppc64_cpu_write_elf64_note; - cc->write_elf64_qemunote = ppc64_cpu_write_elf64_qemunote; #endif #endif cc->cpu_exec_enter = ppc_cpu_exec_enter; @@ -9729,6 +10049,7 @@ static void ppc_cpu_class_init(ObjectClass *oc, void *data) cc->gdb_num_core_regs = 71 + 32; #endif + cc->gdb_arch_name = ppc_gdb_arch_name; #if defined(TARGET_PPC64) cc->gdb_core_xml_file = "power64-core.xml"; #else diff --git a/qemu/target-ppc/user_only_helper.c b/qemu/target-ppc/user_only_helper.c index 829f66f50..6aff34713 100644 --- a/qemu/target-ppc/user_only_helper.c +++ b/qemu/target-ppc/user_only_helper.c @@ -18,6 +18,7 @@ * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" #include "cpu.h" int ppc_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int rw, |