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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/target-arm/internals.h
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/target-arm/internals.h')
-rw-r--r--qemu/target-arm/internals.h479
1 files changed, 0 insertions, 479 deletions
diff --git a/qemu/target-arm/internals.h b/qemu/target-arm/internals.h
deleted file mode 100644
index 2e70272be..000000000
--- a/qemu/target-arm/internals.h
+++ /dev/null
@@ -1,479 +0,0 @@
-/*
- * QEMU ARM CPU -- internal functions and types
- *
- * Copyright (c) 2014 Linaro Ltd
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see
- * <http://www.gnu.org/licenses/gpl-2.0.html>
- *
- * This header defines functions, types, etc which need to be shared
- * between different source files within target-arm/ but which are
- * private to it and not required by the rest of QEMU.
- */
-
-#ifndef TARGET_ARM_INTERNALS_H
-#define TARGET_ARM_INTERNALS_H
-
-/* register banks for CPU modes */
-#define BANK_USRSYS 0
-#define BANK_SVC 1
-#define BANK_ABT 2
-#define BANK_UND 3
-#define BANK_IRQ 4
-#define BANK_FIQ 5
-#define BANK_HYP 6
-#define BANK_MON 7
-
-static inline bool excp_is_internal(int excp)
-{
- /* Return true if this exception number represents a QEMU-internal
- * exception that will not be passed to the guest.
- */
- return excp == EXCP_INTERRUPT
- || excp == EXCP_HLT
- || excp == EXCP_DEBUG
- || excp == EXCP_HALTED
- || excp == EXCP_EXCEPTION_EXIT
- || excp == EXCP_KERNEL_TRAP
- || excp == EXCP_SEMIHOST
- || excp == EXCP_STREX;
-}
-
-/* Exception names for debug logging; note that not all of these
- * precisely correspond to architectural exceptions.
- */
-static const char * const excnames[] = {
- [EXCP_UDEF] = "Undefined Instruction",
- [EXCP_SWI] = "SVC",
- [EXCP_PREFETCH_ABORT] = "Prefetch Abort",
- [EXCP_DATA_ABORT] = "Data Abort",
- [EXCP_IRQ] = "IRQ",
- [EXCP_FIQ] = "FIQ",
- [EXCP_BKPT] = "Breakpoint",
- [EXCP_EXCEPTION_EXIT] = "QEMU v7M exception exit",
- [EXCP_KERNEL_TRAP] = "QEMU intercept of kernel commpage",
- [EXCP_STREX] = "QEMU intercept of STREX",
- [EXCP_HVC] = "Hypervisor Call",
- [EXCP_HYP_TRAP] = "Hypervisor Trap",
- [EXCP_SMC] = "Secure Monitor Call",
- [EXCP_VIRQ] = "Virtual IRQ",
- [EXCP_VFIQ] = "Virtual FIQ",
- [EXCP_SEMIHOST] = "Semihosting call",
-};
-
-static inline void arm_log_exception(int idx)
-{
- if (qemu_loglevel_mask(CPU_LOG_INT)) {
- const char *exc = NULL;
-
- if (idx >= 0 && idx < ARRAY_SIZE(excnames)) {
- exc = excnames[idx];
- }
- if (!exc) {
- exc = "unknown";
- }
- qemu_log_mask(CPU_LOG_INT, "Taking exception %d [%s]\n", idx, exc);
- }
-}
-
-/* Scale factor for generic timers, ie number of ns per tick.
- * This gives a 62.5MHz timer.
- */
-#define GTIMER_SCALE 16
-
-/*
- * For AArch64, map a given EL to an index in the banked_spsr array.
- * Note that this mapping and the AArch32 mapping defined in bank_number()
- * must agree such that the AArch64<->AArch32 SPSRs have the architecturally
- * mandated mapping between each other.
- */
-static inline unsigned int aarch64_banked_spsr_index(unsigned int el)
-{
- static const unsigned int map[4] = {
- [1] = BANK_SVC, /* EL1. */
- [2] = BANK_HYP, /* EL2. */
- [3] = BANK_MON, /* EL3. */
- };
- assert(el >= 1 && el <= 3);
- return map[el];
-}
-
-/* Map CPU modes onto saved register banks. */
-static inline int bank_number(int mode)
-{
- switch (mode) {
- case ARM_CPU_MODE_USR:
- case ARM_CPU_MODE_SYS:
- return BANK_USRSYS;
- case ARM_CPU_MODE_SVC:
- return BANK_SVC;
- case ARM_CPU_MODE_ABT:
- return BANK_ABT;
- case ARM_CPU_MODE_UND:
- return BANK_UND;
- case ARM_CPU_MODE_IRQ:
- return BANK_IRQ;
- case ARM_CPU_MODE_FIQ:
- return BANK_FIQ;
- case ARM_CPU_MODE_HYP:
- return BANK_HYP;
- case ARM_CPU_MODE_MON:
- return BANK_MON;
- }
- g_assert_not_reached();
-}
-
-void switch_mode(CPUARMState *, int);
-void arm_cpu_register_gdb_regs_for_features(ARMCPU *cpu);
-void arm_translate_init(void);
-
-enum arm_fprounding {
- FPROUNDING_TIEEVEN,
- FPROUNDING_POSINF,
- FPROUNDING_NEGINF,
- FPROUNDING_ZERO,
- FPROUNDING_TIEAWAY,
- FPROUNDING_ODD
-};
-
-int arm_rmode_to_sf(int rmode);
-
-static inline void aarch64_save_sp(CPUARMState *env, int el)
-{
- if (env->pstate & PSTATE_SP) {
- env->sp_el[el] = env->xregs[31];
- } else {
- env->sp_el[0] = env->xregs[31];
- }
-}
-
-static inline void aarch64_restore_sp(CPUARMState *env, int el)
-{
- if (env->pstate & PSTATE_SP) {
- env->xregs[31] = env->sp_el[el];
- } else {
- env->xregs[31] = env->sp_el[0];
- }
-}
-
-static inline void update_spsel(CPUARMState *env, uint32_t imm)
-{
- unsigned int cur_el = arm_current_el(env);
- /* Update PSTATE SPSel bit; this requires us to update the
- * working stack pointer in xregs[31].
- */
- if (!((imm ^ env->pstate) & PSTATE_SP)) {
- return;
- }
- aarch64_save_sp(env, cur_el);
- env->pstate = deposit32(env->pstate, 0, 1, imm);
-
- /* We rely on illegal updates to SPsel from EL0 to get trapped
- * at translation time.
- */
- assert(cur_el >= 1 && cur_el <= 3);
- aarch64_restore_sp(env, cur_el);
-}
-
-/*
- * arm_pamax
- * @cpu: ARMCPU
- *
- * Returns the implementation defined bit-width of physical addresses.
- * The ARMv8 reference manuals refer to this as PAMax().
- */
-static inline unsigned int arm_pamax(ARMCPU *cpu)
-{
- static const unsigned int pamax_map[] = {
- [0] = 32,
- [1] = 36,
- [2] = 40,
- [3] = 42,
- [4] = 44,
- [5] = 48,
- };
- unsigned int parange = extract32(cpu->id_aa64mmfr0, 0, 4);
-
- /* id_aa64mmfr0 is a read-only register so values outside of the
- * supported mappings can be considered an implementation error. */
- assert(parange < ARRAY_SIZE(pamax_map));
- return pamax_map[parange];
-}
-
-/* Return true if extended addresses are enabled.
- * This is always the case if our translation regime is 64 bit,
- * but depends on TTBCR.EAE for 32 bit.
- */
-static inline bool extended_addresses_enabled(CPUARMState *env)
-{
- TCR *tcr = &env->cp15.tcr_el[arm_is_secure(env) ? 3 : 1];
- return arm_el_is_aa64(env, 1) ||
- (arm_feature(env, ARM_FEATURE_LPAE) && (tcr->raw_tcr & TTBCR_EAE));
-}
-
-/* Valid Syndrome Register EC field values */
-enum arm_exception_class {
- EC_UNCATEGORIZED = 0x00,
- EC_WFX_TRAP = 0x01,
- EC_CP15RTTRAP = 0x03,
- EC_CP15RRTTRAP = 0x04,
- EC_CP14RTTRAP = 0x05,
- EC_CP14DTTRAP = 0x06,
- EC_ADVSIMDFPACCESSTRAP = 0x07,
- EC_FPIDTRAP = 0x08,
- EC_CP14RRTTRAP = 0x0c,
- EC_ILLEGALSTATE = 0x0e,
- EC_AA32_SVC = 0x11,
- EC_AA32_HVC = 0x12,
- EC_AA32_SMC = 0x13,
- EC_AA64_SVC = 0x15,
- EC_AA64_HVC = 0x16,
- EC_AA64_SMC = 0x17,
- EC_SYSTEMREGISTERTRAP = 0x18,
- EC_INSNABORT = 0x20,
- EC_INSNABORT_SAME_EL = 0x21,
- EC_PCALIGNMENT = 0x22,
- EC_DATAABORT = 0x24,
- EC_DATAABORT_SAME_EL = 0x25,
- EC_SPALIGNMENT = 0x26,
- EC_AA32_FPTRAP = 0x28,
- EC_AA64_FPTRAP = 0x2c,
- EC_SERROR = 0x2f,
- EC_BREAKPOINT = 0x30,
- EC_BREAKPOINT_SAME_EL = 0x31,
- EC_SOFTWARESTEP = 0x32,
- EC_SOFTWARESTEP_SAME_EL = 0x33,
- EC_WATCHPOINT = 0x34,
- EC_WATCHPOINT_SAME_EL = 0x35,
- EC_AA32_BKPT = 0x38,
- EC_VECTORCATCH = 0x3a,
- EC_AA64_BKPT = 0x3c,
-};
-
-#define ARM_EL_EC_SHIFT 26
-#define ARM_EL_IL_SHIFT 25
-#define ARM_EL_IL (1 << ARM_EL_IL_SHIFT)
-
-/* Utility functions for constructing various kinds of syndrome value.
- * Note that in general we follow the AArch64 syndrome values; in a
- * few cases the value in HSR for exceptions taken to AArch32 Hyp
- * mode differs slightly, so if we ever implemented Hyp mode then the
- * syndrome value would need some massaging on exception entry.
- * (One example of this is that AArch64 defaults to IL bit set for
- * exceptions which don't specifically indicate information about the
- * trapping instruction, whereas AArch32 defaults to IL bit clear.)
- */
-static inline uint32_t syn_uncategorized(void)
-{
- return (EC_UNCATEGORIZED << ARM_EL_EC_SHIFT) | ARM_EL_IL;
-}
-
-static inline uint32_t syn_aa64_svc(uint32_t imm16)
-{
- return (EC_AA64_SVC << ARM_EL_EC_SHIFT) | ARM_EL_IL | (imm16 & 0xffff);
-}
-
-static inline uint32_t syn_aa64_hvc(uint32_t imm16)
-{
- return (EC_AA64_HVC << ARM_EL_EC_SHIFT) | ARM_EL_IL | (imm16 & 0xffff);
-}
-
-static inline uint32_t syn_aa64_smc(uint32_t imm16)
-{
- return (EC_AA64_SMC << ARM_EL_EC_SHIFT) | ARM_EL_IL | (imm16 & 0xffff);
-}
-
-static inline uint32_t syn_aa32_svc(uint32_t imm16, bool is_16bit)
-{
- return (EC_AA32_SVC << ARM_EL_EC_SHIFT) | (imm16 & 0xffff)
- | (is_16bit ? 0 : ARM_EL_IL);
-}
-
-static inline uint32_t syn_aa32_hvc(uint32_t imm16)
-{
- return (EC_AA32_HVC << ARM_EL_EC_SHIFT) | ARM_EL_IL | (imm16 & 0xffff);
-}
-
-static inline uint32_t syn_aa32_smc(void)
-{
- return (EC_AA32_SMC << ARM_EL_EC_SHIFT) | ARM_EL_IL;
-}
-
-static inline uint32_t syn_aa64_bkpt(uint32_t imm16)
-{
- return (EC_AA64_BKPT << ARM_EL_EC_SHIFT) | ARM_EL_IL | (imm16 & 0xffff);
-}
-
-static inline uint32_t syn_aa32_bkpt(uint32_t imm16, bool is_16bit)
-{
- return (EC_AA32_BKPT << ARM_EL_EC_SHIFT) | (imm16 & 0xffff)
- | (is_16bit ? 0 : ARM_EL_IL);
-}
-
-static inline uint32_t syn_aa64_sysregtrap(int op0, int op1, int op2,
- int crn, int crm, int rt,
- int isread)
-{
- return (EC_SYSTEMREGISTERTRAP << ARM_EL_EC_SHIFT) | ARM_EL_IL
- | (op0 << 20) | (op2 << 17) | (op1 << 14) | (crn << 10) | (rt << 5)
- | (crm << 1) | isread;
-}
-
-static inline uint32_t syn_cp14_rt_trap(int cv, int cond, int opc1, int opc2,
- int crn, int crm, int rt, int isread,
- bool is_16bit)
-{
- return (EC_CP14RTTRAP << ARM_EL_EC_SHIFT)
- | (is_16bit ? 0 : ARM_EL_IL)
- | (cv << 24) | (cond << 20) | (opc2 << 17) | (opc1 << 14)
- | (crn << 10) | (rt << 5) | (crm << 1) | isread;
-}
-
-static inline uint32_t syn_cp15_rt_trap(int cv, int cond, int opc1, int opc2,
- int crn, int crm, int rt, int isread,
- bool is_16bit)
-{
- return (EC_CP15RTTRAP << ARM_EL_EC_SHIFT)
- | (is_16bit ? 0 : ARM_EL_IL)
- | (cv << 24) | (cond << 20) | (opc2 << 17) | (opc1 << 14)
- | (crn << 10) | (rt << 5) | (crm << 1) | isread;
-}
-
-static inline uint32_t syn_cp14_rrt_trap(int cv, int cond, int opc1, int crm,
- int rt, int rt2, int isread,
- bool is_16bit)
-{
- return (EC_CP14RRTTRAP << ARM_EL_EC_SHIFT)
- | (is_16bit ? 0 : ARM_EL_IL)
- | (cv << 24) | (cond << 20) | (opc1 << 16)
- | (rt2 << 10) | (rt << 5) | (crm << 1) | isread;
-}
-
-static inline uint32_t syn_cp15_rrt_trap(int cv, int cond, int opc1, int crm,
- int rt, int rt2, int isread,
- bool is_16bit)
-{
- return (EC_CP15RRTTRAP << ARM_EL_EC_SHIFT)
- | (is_16bit ? 0 : ARM_EL_IL)
- | (cv << 24) | (cond << 20) | (opc1 << 16)
- | (rt2 << 10) | (rt << 5) | (crm << 1) | isread;
-}
-
-static inline uint32_t syn_fp_access_trap(int cv, int cond, bool is_16bit)
-{
- return (EC_ADVSIMDFPACCESSTRAP << ARM_EL_EC_SHIFT)
- | (is_16bit ? 0 : ARM_EL_IL)
- | (cv << 24) | (cond << 20);
-}
-
-static inline uint32_t syn_insn_abort(int same_el, int ea, int s1ptw, int fsc)
-{
- return (EC_INSNABORT << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
- | (ea << 9) | (s1ptw << 7) | fsc;
-}
-
-static inline uint32_t syn_data_abort(int same_el, int ea, int cm, int s1ptw,
- int wnr, int fsc)
-{
- return (EC_DATAABORT << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
- | (ea << 9) | (cm << 8) | (s1ptw << 7) | (wnr << 6) | fsc;
-}
-
-static inline uint32_t syn_swstep(int same_el, int isv, int ex)
-{
- return (EC_SOFTWARESTEP << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
- | (isv << 24) | (ex << 6) | 0x22;
-}
-
-static inline uint32_t syn_watchpoint(int same_el, int cm, int wnr)
-{
- return (EC_WATCHPOINT << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
- | (cm << 8) | (wnr << 6) | 0x22;
-}
-
-static inline uint32_t syn_breakpoint(int same_el)
-{
- return (EC_BREAKPOINT << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
- | ARM_EL_IL | 0x22;
-}
-
-static inline uint32_t syn_wfx(int cv, int cond, int ti)
-{
- return (EC_WFX_TRAP << ARM_EL_EC_SHIFT) |
- (cv << 24) | (cond << 20) | ti;
-}
-
-/* Update a QEMU watchpoint based on the information the guest has set in the
- * DBGWCR<n>_EL1 and DBGWVR<n>_EL1 registers.
- */
-void hw_watchpoint_update(ARMCPU *cpu, int n);
-/* Update the QEMU watchpoints for every guest watchpoint. This does a
- * complete delete-and-reinstate of the QEMU watchpoint list and so is
- * suitable for use after migration or on reset.
- */
-void hw_watchpoint_update_all(ARMCPU *cpu);
-/* Update a QEMU breakpoint based on the information the guest has set in the
- * DBGBCR<n>_EL1 and DBGBVR<n>_EL1 registers.
- */
-void hw_breakpoint_update(ARMCPU *cpu, int n);
-/* Update the QEMU breakpoints for every guest breakpoint. This does a
- * complete delete-and-reinstate of the QEMU breakpoint list and so is
- * suitable for use after migration or on reset.
- */
-void hw_breakpoint_update_all(ARMCPU *cpu);
-
-/* Callback function for checking if a watchpoint should trigger. */
-bool arm_debug_check_watchpoint(CPUState *cs, CPUWatchpoint *wp);
-
-/* Callback function for when a watchpoint or breakpoint triggers. */
-void arm_debug_excp_handler(CPUState *cs);
-
-#ifdef CONFIG_USER_ONLY
-static inline bool arm_is_psci_call(ARMCPU *cpu, int excp_type)
-{
- return false;
-}
-#else
-/* Return true if the r0/x0 value indicates that this SMC/HVC is a PSCI call. */
-bool arm_is_psci_call(ARMCPU *cpu, int excp_type);
-/* Actually handle a PSCI call */
-void arm_handle_psci_call(ARMCPU *cpu);
-#endif
-
-/**
- * ARMMMUFaultInfo: Information describing an ARM MMU Fault
- * @s2addr: Address that caused a fault at stage 2
- * @stage2: True if we faulted at stage 2
- * @s1ptw: True if we faulted at stage 2 while doing a stage 1 page-table walk
- */
-typedef struct ARMMMUFaultInfo ARMMMUFaultInfo;
-struct ARMMMUFaultInfo {
- target_ulong s2addr;
- bool stage2;
- bool s1ptw;
-};
-
-/* Do a page table walk and add page to TLB if possible */
-bool arm_tlb_fill(CPUState *cpu, vaddr address, int rw, int mmu_idx,
- uint32_t *fsr, ARMMMUFaultInfo *fi);
-
-/* Return true if the stage 1 translation regime is using LPAE format page
- * tables */
-bool arm_s1_regime_using_lpae_format(CPUARMState *env, ARMMMUIdx mmu_idx);
-
-/* Raise a data fault alignment exception for the specified virtual address */
-void arm_cpu_do_unaligned_access(CPUState *cs, vaddr vaddr, int is_write,
- int is_user, uintptr_t retaddr);
-
-#endif