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-rw-r--r--target-sh4/helper.c108
1 files changed, 61 insertions, 47 deletions
diff --git a/target-sh4/helper.c b/target-sh4/helper.c
index 9ac28250e0..9ebdd5c9b5 100644
--- a/target-sh4/helper.c
+++ b/target-sh4/helper.c
@@ -33,26 +33,26 @@
void superh_cpu_do_interrupt(CPUState *cs)
{
- SuperHCPU *cpu = SUPERH_CPU(cs);
- CPUSH4State *env = &cpu->env;
-
- env->exception_index = -1;
+ cs->exception_index = -1;
}
-int cpu_sh4_handle_mmu_fault(CPUSH4State * env, target_ulong address, int rw,
- int mmu_idx)
+int superh_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int rw,
+ int mmu_idx)
{
+ SuperHCPU *cpu = SUPERH_CPU(cs);
+ CPUSH4State *env = &cpu->env;
+
env->tea = address;
- env->exception_index = -1;
+ cs->exception_index = -1;
switch (rw) {
case 0:
- env->exception_index = 0x0a0;
+ cs->exception_index = 0x0a0;
break;
case 1:
- env->exception_index = 0x0c0;
+ cs->exception_index = 0x0c0;
break;
case 2:
- env->exception_index = 0x0a0;
+ cs->exception_index = 0x0a0;
break;
}
return 1;
@@ -86,16 +86,16 @@ void superh_cpu_do_interrupt(CPUState *cs)
SuperHCPU *cpu = SUPERH_CPU(cs);
CPUSH4State *env = &cpu->env;
int do_irq = cs->interrupt_request & CPU_INTERRUPT_HARD;
- int do_exp, irq_vector = env->exception_index;
+ int do_exp, irq_vector = cs->exception_index;
/* prioritize exceptions over interrupts */
- do_exp = env->exception_index != -1;
- do_irq = do_irq && (env->exception_index == -1);
+ do_exp = cs->exception_index != -1;
+ do_irq = do_irq && (cs->exception_index == -1);
if (env->sr & SR_BL) {
- if (do_exp && env->exception_index != 0x1e0) {
- env->exception_index = 0x000; /* masked exception -> reset */
+ if (do_exp && cs->exception_index != 0x1e0) {
+ cs->exception_index = 0x000; /* masked exception -> reset */
}
if (do_irq && !env->in_sleep) {
return; /* masked */
@@ -113,7 +113,7 @@ void superh_cpu_do_interrupt(CPUState *cs)
if (qemu_loglevel_mask(CPU_LOG_INT)) {
const char *expname;
- switch (env->exception_index) {
+ switch (cs->exception_index) {
case 0x0e0:
expname = "addr_error";
break;
@@ -177,8 +177,8 @@ void superh_cpu_do_interrupt(CPUState *cs)
env->flags = 0;
if (do_exp) {
- env->expevt = env->exception_index;
- switch (env->exception_index) {
+ env->expevt = cs->exception_index;
+ switch (cs->exception_index) {
case 0x000:
case 0x020:
case 0x140:
@@ -234,15 +234,21 @@ static void update_itlb_use(CPUSH4State * env, int itlbnb)
static int itlb_replacement(CPUSH4State * env)
{
- if ((env->mmucr & 0xe0000000) == 0xe0000000)
+ SuperHCPU *cpu = sh_env_get_cpu(env);
+
+ if ((env->mmucr & 0xe0000000) == 0xe0000000) {
return 0;
- if ((env->mmucr & 0x98000000) == 0x18000000)
+ }
+ if ((env->mmucr & 0x98000000) == 0x18000000) {
return 1;
- if ((env->mmucr & 0x54000000) == 0x04000000)
+ }
+ if ((env->mmucr & 0x54000000) == 0x04000000) {
return 2;
- if ((env->mmucr & 0x2c000000) == 0x00000000)
+ }
+ if ((env->mmucr & 0x2c000000) == 0x00000000) {
return 3;
- cpu_abort(env, "Unhandled itlb_replacement");
+ }
+ cpu_abort(CPU(cpu), "Unhandled itlb_replacement");
}
/* Find the corresponding entry in the right TLB
@@ -298,7 +304,7 @@ static int copy_utlb_entry_itlb(CPUSH4State *env, int utlb)
itlb = itlb_replacement(env);
ientry = &env->itlb[itlb];
if (ientry->v) {
- tlb_flush_page(env, ientry->vpn << 10);
+ tlb_flush_page(CPU(sh_env_get_cpu(env)), ientry->vpn << 10);
}
*ientry = env->utlb[utlb];
update_itlb_use(env, itlb);
@@ -447,9 +453,11 @@ static int get_physical_address(CPUSH4State * env, target_ulong * physical,
return get_mmu_address(env, physical, prot, address, rw, access_type);
}
-int cpu_sh4_handle_mmu_fault(CPUSH4State * env, target_ulong address, int rw,
- int mmu_idx)
+int superh_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int rw,
+ int mmu_idx)
{
+ SuperHCPU *cpu = SUPERH_CPU(cs);
+ CPUSH4State *env = &cpu->env;
target_ulong physical;
int prot, ret, access_type;
@@ -467,36 +475,36 @@ int cpu_sh4_handle_mmu_fault(CPUSH4State * env, target_ulong address, int rw,
switch (ret) {
case MMU_ITLB_MISS:
case MMU_DTLB_MISS_READ:
- env->exception_index = 0x040;
+ cs->exception_index = 0x040;
break;
case MMU_DTLB_MULTIPLE:
case MMU_ITLB_MULTIPLE:
- env->exception_index = 0x140;
+ cs->exception_index = 0x140;
break;
case MMU_ITLB_VIOLATION:
- env->exception_index = 0x0a0;
+ cs->exception_index = 0x0a0;
break;
case MMU_DTLB_MISS_WRITE:
- env->exception_index = 0x060;
+ cs->exception_index = 0x060;
break;
case MMU_DTLB_INITIAL_WRITE:
- env->exception_index = 0x080;
+ cs->exception_index = 0x080;
break;
case MMU_DTLB_VIOLATION_READ:
- env->exception_index = 0x0a0;
+ cs->exception_index = 0x0a0;
break;
case MMU_DTLB_VIOLATION_WRITE:
- env->exception_index = 0x0c0;
+ cs->exception_index = 0x0c0;
break;
case MMU_IADDR_ERROR:
case MMU_DADDR_ERROR_READ:
- env->exception_index = 0x0e0;
+ cs->exception_index = 0x0e0;
break;
case MMU_DADDR_ERROR_WRITE:
- env->exception_index = 0x100;
+ cs->exception_index = 0x100;
break;
default:
- cpu_abort(env, "Unhandled MMU fault");
+ cpu_abort(cs, "Unhandled MMU fault");
}
return 1;
}
@@ -504,7 +512,7 @@ int cpu_sh4_handle_mmu_fault(CPUSH4State * env, target_ulong address, int rw,
address &= TARGET_PAGE_MASK;
physical &= TARGET_PAGE_MASK;
- tlb_set_page(env, address, physical, prot, mmu_idx, TARGET_PAGE_SIZE);
+ tlb_set_page(cs, address, physical, prot, mmu_idx, TARGET_PAGE_SIZE);
return 0;
}
@@ -520,13 +528,14 @@ hwaddr superh_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
void cpu_load_tlb(CPUSH4State * env)
{
+ SuperHCPU *cpu = sh_env_get_cpu(env);
int n = cpu_mmucr_urc(env->mmucr);
tlb_t * entry = &env->utlb[n];
if (entry->v) {
/* Overwriting valid entry in utlb. */
target_ulong address = entry->vpn << 10;
- tlb_flush_page(env, address);
+ tlb_flush_page(CPU(cpu), address);
}
/* Take values into cpu status from registers. */
@@ -549,7 +558,7 @@ void cpu_load_tlb(CPUSH4State * env)
entry->size = 1024 * 1024; /* 1M */
break;
default:
- cpu_abort(env, "Unhandled load_tlb");
+ cpu_abort(CPU(cpu), "Unhandled load_tlb");
break;
}
entry->sh = (uint8_t)cpu_ptel_sh(env->ptel);
@@ -576,7 +585,7 @@ void cpu_load_tlb(CPUSH4State * env)
entry->v = 0;
}
- tlb_flush(s, 1);
+ tlb_flush(CPU(sh_env_get_cpu(s)), 1);
}
uint32_t cpu_sh4_read_mmaped_itlb_addr(CPUSH4State *s,
@@ -602,7 +611,7 @@ void cpu_sh4_write_mmaped_itlb_addr(CPUSH4State *s, hwaddr addr,
if (entry->v) {
/* Overwriting valid entry in itlb. */
target_ulong address = entry->vpn << 10;
- tlb_flush_page(s, address);
+ tlb_flush_page(CPU(sh_env_get_cpu(s)), address);
}
entry->asid = asid;
entry->vpn = vpn;
@@ -644,7 +653,7 @@ void cpu_sh4_write_mmaped_itlb_data(CPUSH4State *s, hwaddr addr,
if (entry->v) {
/* Overwriting valid entry in utlb. */
target_ulong address = entry->vpn << 10;
- tlb_flush_page(s, address);
+ tlb_flush_page(CPU(sh_env_get_cpu(s)), address);
}
entry->ppn = (mem_value & 0x1ffffc00) >> 10;
entry->v = (mem_value & 0x00000100) >> 8;
@@ -697,8 +706,10 @@ void cpu_sh4_write_mmaped_utlb_addr(CPUSH4State *s, hwaddr addr,
if (entry->vpn == vpn
&& (!use_asid || entry->asid == asid || entry->sh)) {
if (utlb_match_entry) {
+ CPUState *cs = CPU(sh_env_get_cpu(s));
+
/* Multiple TLB Exception */
- s->exception_index = 0x140;
+ cs->exception_index = 0x140;
s->tea = addr;
break;
}
@@ -726,16 +737,19 @@ void cpu_sh4_write_mmaped_utlb_addr(CPUSH4State *s, hwaddr addr,
}
}
- if (needs_tlb_flush)
- tlb_flush_page(s, vpn << 10);
+ if (needs_tlb_flush) {
+ tlb_flush_page(CPU(sh_env_get_cpu(s)), vpn << 10);
+ }
} else {
int index = (addr & 0x00003f00) >> 8;
tlb_t * entry = &s->utlb[index];
if (entry->v) {
+ CPUState *cs = CPU(sh_env_get_cpu(s));
+
/* Overwriting valid entry in utlb. */
target_ulong address = entry->vpn << 10;
- tlb_flush_page(s, address);
+ tlb_flush_page(cs, address);
}
entry->asid = asid;
entry->vpn = vpn;
@@ -786,7 +800,7 @@ void cpu_sh4_write_mmaped_utlb_data(CPUSH4State *s, hwaddr addr,
if (entry->v) {
/* Overwriting valid entry in utlb. */
target_ulong address = entry->vpn << 10;
- tlb_flush_page(s, address);
+ tlb_flush_page(CPU(sh_env_get_cpu(s)), address);
}
entry->ppn = (mem_value & 0x1ffffc00) >> 10;
entry->v = (mem_value & 0x00000100) >> 8;
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-04-26 01:13:42 +0200