diff options
Diffstat (limited to 'target-sh4')
| -rw-r--r-- | target-sh4/cpu.h | 2 | ||||
| -rw-r--r-- | target-sh4/helper.c | 22 | ||||
| -rw-r--r-- | target-sh4/translate.c | 2 |
3 files changed, 23 insertions, 3 deletions
diff --git a/target-sh4/cpu.h b/target-sh4/cpu.h index 366e7986e..015d59845 100644 --- a/target-sh4/cpu.h +++ b/target-sh4/cpu.h @@ -167,6 +167,7 @@ int cpu_sh4_handle_mmu_fault(CPUSH4State * env, target_ulong address, int rw, void do_interrupt(CPUSH4State * env); void sh4_cpu_list(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...)); +void cpu_sh4_invalidate_tlb(CPUSH4State *s); void cpu_sh4_write_mmaped_utlb_addr(CPUSH4State *s, target_phys_addr_t addr, uint32_t mem_value); @@ -222,6 +223,7 @@ enum { /* MMU control register */ #define MMUCR 0x1F000010 #define MMUCR_AT (1<<0) +#define MMUCR_TI (1<<2) #define MMUCR_SV (1<<8) #define MMUCR_URC_BITS (6) #define MMUCR_URC_OFFSET (10) diff --git a/target-sh4/helper.c b/target-sh4/helper.c index 088d36a5f..29b681398 100644 --- a/target-sh4/helper.c +++ b/target-sh4/helper.c @@ -377,7 +377,7 @@ static int get_mmu_address(CPUState * env, target_ulong * physical, n = find_itlb_entry(env, address, use_asid, 1); if (n >= 0) { matching = &env->itlb[n]; - if ((env->sr & SR_MD) & !(matching->pr & 2)) + if (!(env->sr & SR_MD) && !(matching->pr & 2)) n = MMU_ITLB_VIOLATION; else *prot = PAGE_READ; @@ -430,7 +430,7 @@ static int get_physical_address(CPUState * env, target_ulong * physical, if ((address >= 0x80000000 && address < 0xc0000000) || address >= 0xe0000000) { if (!(env->sr & SR_MD) - && (address < 0xe0000000 || address > 0xe4000000)) { + && (address < 0xe0000000 || address >= 0xe4000000)) { /* Unauthorized access in user mode (only store queues are available) */ fprintf(stderr, "Unauthorized access\n"); if (rw == 0) @@ -574,6 +574,24 @@ void cpu_load_tlb(CPUSH4State * env) entry->tc = (uint8_t)cpu_ptea_tc(env->ptea); } + void cpu_sh4_invalidate_tlb(CPUSH4State *s) +{ + int i; + + /* UTLB */ + for (i = 0; i < UTLB_SIZE; i++) { + tlb_t * entry = &s->utlb[i]; + entry->v = 0; + } + /* ITLB */ + for (i = 0; i < UTLB_SIZE; i++) { + tlb_t * entry = &s->utlb[i]; + entry->v = 0; + } + + tlb_flush(s, 1); +} + void cpu_sh4_write_mmaped_utlb_addr(CPUSH4State *s, target_phys_addr_t addr, uint32_t mem_value) { diff --git a/target-sh4/translate.c b/target-sh4/translate.c index 895b978d3..7f9527a83 100644 --- a/target-sh4/translate.c +++ b/target-sh4/translate.c @@ -1905,7 +1905,7 @@ gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb, ctx.bstate = BS_NONE; ctx.sr = env->sr; ctx.fpscr = env->fpscr; - ctx.memidx = (env->sr & SR_MD) ? 1 : 0; + ctx.memidx = (env->sr & SR_MD) == 0 ? 1 : 0; /* We don't know if the delayed pc came from a dynamic or static branch, so assume it is a dynamic branch. */ ctx.delayed_pc = -1; /* use delayed pc from env pointer */ |