diff options
Diffstat (limited to 'qemu/target-mips/helper.c')
| -rw-r--r-- | qemu/target-mips/helper.c | 62 |
1 files changed, 32 insertions, 30 deletions
diff --git a/qemu/target-mips/helper.c b/qemu/target-mips/helper.c index 04ba19fd4..1004edee0 100644 --- a/qemu/target-mips/helper.c +++ b/qemu/target-mips/helper.c @@ -16,16 +16,12 @@ * 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 <stdarg.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <inttypes.h> -#include <signal.h> +#include "qemu/osdep.h" #include "cpu.h" #include "sysemu/kvm.h" #include "exec/cpu_ldst.h" +#include "exec/log.h" enum { TLBRET_XI = -6, @@ -127,10 +123,6 @@ static int get_physical_address (CPUMIPSState *env, hwaddr *physical, /* effective address (modified for KVM T&E kernel segments) */ target_ulong address = real_address; -#if 0 - qemu_log("user mode %d h %08x\n", user_mode, env->hflags); -#endif - #define USEG_LIMIT 0x7FFFFFFFUL #define KSEG0_BASE 0x80000000UL #define KSEG1_BASE 0xA0000000UL @@ -227,11 +219,6 @@ static int get_physical_address (CPUMIPSState *env, hwaddr *physical, ret = TLBRET_BADADDR; } } -#if 0 - qemu_log(TARGET_FMT_lx " %d %d => %" HWADDR_PRIx " %d (%d)\n", - address, rw, access_type, *physical, *prot, ret); -#endif - return ret; } #endif @@ -303,9 +290,10 @@ static void raise_mmu_exception(CPUMIPSState *env, target_ulong address, (env->CP0_EntryHi & 0xFF) | (address & (TARGET_PAGE_MASK << 1)); #if defined(TARGET_MIPS64) env->CP0_EntryHi &= env->SEGMask; - env->CP0_XContext = (env->CP0_XContext & ((~0ULL) << (env->SEGBITS - 7))) | - ((address & 0xC00000000000ULL) >> (55 - env->SEGBITS)) | - ((address & ((1ULL << env->SEGBITS) - 1) & 0xFFFFFFFFFFFFE000ULL) >> 9); + env->CP0_XContext = + /* PTEBase */ (env->CP0_XContext & ((~0ULL) << (env->SEGBITS - 7))) | + /* R */ (extract64(address, 62, 2) << (env->SEGBITS - 9)) | + /* BadVPN2 */ (extract64(address, 13, env->SEGBITS - 13) << 4); #endif cs->exception_index = exception; env->error_code = error_code; @@ -487,14 +475,16 @@ void mips_cpu_do_interrupt(CPUState *cs) int cause = -1; const char *name; - if (qemu_log_enabled() && cs->exception_index != EXCP_EXT_INTERRUPT) { + if (qemu_loglevel_mask(CPU_LOG_INT) + && cs->exception_index != EXCP_EXT_INTERRUPT) { if (cs->exception_index < 0 || cs->exception_index > EXCP_LAST) { name = "unknown"; } else { name = excp_names[cs->exception_index]; } - qemu_log("%s enter: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx " %s exception\n", + qemu_log("%s enter: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx + " %s exception\n", __func__, env->active_tc.PC, env->CP0_EPC, name); } if (cs->exception_index == EXCP_EXT_INTERRUPT && @@ -531,6 +521,10 @@ void mips_cpu_do_interrupt(CPUState *cs) enter_debug_mode: if (env->insn_flags & ISA_MIPS3) { env->hflags |= MIPS_HFLAG_64; + if (!(env->insn_flags & ISA_MIPS64R6) || + env->CP0_Status & (1 << CP0St_KX)) { + env->hflags &= ~MIPS_HFLAG_AWRAP; + } } env->hflags |= MIPS_HFLAG_DM | MIPS_HFLAG_CP0; env->hflags &= ~(MIPS_HFLAG_KSU); @@ -555,6 +549,10 @@ void mips_cpu_do_interrupt(CPUState *cs) env->CP0_Status |= (1 << CP0St_ERL) | (1 << CP0St_BEV); if (env->insn_flags & ISA_MIPS3) { env->hflags |= MIPS_HFLAG_64; + if (!(env->insn_flags & ISA_MIPS64R6) || + env->CP0_Status & (1 << CP0St_KX)) { + env->hflags &= ~MIPS_HFLAG_AWRAP; + } } env->hflags |= MIPS_HFLAG_CP0; env->hflags &= ~(MIPS_HFLAG_KSU); @@ -700,7 +698,7 @@ void mips_cpu_do_interrupt(CPUState *cs) goto set_EPC; case EXCP_DWATCH: cause = 23; - /* XXX: TODO: manage defered watch exceptions */ + /* XXX: TODO: manage deferred watch exceptions */ goto set_EPC; case EXCP_MCHECK: cause = 24; @@ -732,6 +730,10 @@ void mips_cpu_do_interrupt(CPUState *cs) env->CP0_Status |= (1 << CP0St_EXL); if (env->insn_flags & ISA_MIPS3) { env->hflags |= MIPS_HFLAG_64; + if (!(env->insn_flags & ISA_MIPS64R6) || + env->CP0_Status & (1 << CP0St_KX)) { + env->hflags &= ~MIPS_HFLAG_AWRAP; + } } env->hflags |= MIPS_HFLAG_CP0; env->hflags &= ~(MIPS_HFLAG_KSU); @@ -747,16 +749,15 @@ void mips_cpu_do_interrupt(CPUState *cs) env->CP0_Cause = (env->CP0_Cause & ~(0x1f << CP0Ca_EC)) | (cause << CP0Ca_EC); break; default: - qemu_log("Invalid MIPS exception %d. Exiting\n", cs->exception_index); - printf("Invalid MIPS exception %d. Exiting\n", cs->exception_index); - exit(1); + abort(); } - if (qemu_log_enabled() && cs->exception_index != EXCP_EXT_INTERRUPT) { + if (qemu_loglevel_mask(CPU_LOG_INT) + && cs->exception_index != EXCP_EXT_INTERRUPT) { qemu_log("%s: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx " cause %d\n" - " S %08x C %08x A " TARGET_FMT_lx " D " TARGET_FMT_lx "\n", - __func__, env->active_tc.PC, env->CP0_EPC, cause, - env->CP0_Status, env->CP0_Cause, env->CP0_BadVAddr, - env->CP0_DEPC); + " S %08x C %08x A " TARGET_FMT_lx " D " TARGET_FMT_lx "\n", + __func__, env->active_tc.PC, env->CP0_EPC, cause, + env->CP0_Status, env->CP0_Cause, env->CP0_BadVAddr, + env->CP0_DEPC); } #endif cs->exception_index = EXCP_NONE; @@ -768,7 +769,8 @@ bool mips_cpu_exec_interrupt(CPUState *cs, int interrupt_request) MIPSCPU *cpu = MIPS_CPU(cs); CPUMIPSState *env = &cpu->env; - if (cpu_mips_hw_interrupts_pending(env)) { + if (cpu_mips_hw_interrupts_enabled(env) && + cpu_mips_hw_interrupts_pending(env)) { /* Raise it */ cs->exception_index = EXCP_EXT_INTERRUPT; env->error_code = 0; |