diff options
Diffstat (limited to 'target-sh4')
| -rw-r--r-- | target-sh4/cpu.h | 8 | ||||
| -rw-r--r-- | target-sh4/helper.c | 74 |
2 files changed, 82 insertions, 0 deletions
diff --git a/target-sh4/cpu.h b/target-sh4/cpu.h index 9eccb0cf8c..789d1880b7 100644 --- a/target-sh4/cpu.h +++ b/target-sh4/cpu.h @@ -201,12 +201,20 @@ void do_interrupt(CPUSH4State * env); void sh4_cpu_list(FILE *f, fprintf_function cpu_fprintf); #if !defined(CONFIG_USER_ONLY) void cpu_sh4_invalidate_tlb(CPUSH4State *s); +uint32_t cpu_sh4_read_mmaped_itlb_addr(CPUSH4State *s, + target_phys_addr_t addr); void cpu_sh4_write_mmaped_itlb_addr(CPUSH4State *s, target_phys_addr_t addr, uint32_t mem_value); +uint32_t cpu_sh4_read_mmaped_itlb_data(CPUSH4State *s, + target_phys_addr_t addr); void cpu_sh4_write_mmaped_itlb_data(CPUSH4State *s, target_phys_addr_t addr, uint32_t mem_value); +uint32_t cpu_sh4_read_mmaped_utlb_addr(CPUSH4State *s, + target_phys_addr_t addr); void cpu_sh4_write_mmaped_utlb_addr(CPUSH4State *s, target_phys_addr_t addr, uint32_t mem_value); +uint32_t cpu_sh4_read_mmaped_utlb_data(CPUSH4State *s, + target_phys_addr_t addr); void cpu_sh4_write_mmaped_utlb_data(CPUSH4State *s, target_phys_addr_t addr, uint32_t mem_value); #endif diff --git a/target-sh4/helper.c b/target-sh4/helper.c index 4cd42b51cb..785e9e54e7 100644 --- a/target-sh4/helper.c +++ b/target-sh4/helper.c @@ -567,6 +567,17 @@ void cpu_load_tlb(CPUSH4State * env) tlb_flush(s, 1); } +uint32_t cpu_sh4_read_mmaped_itlb_addr(CPUSH4State *s, + target_phys_addr_t addr) +{ + int index = (addr & 0x00000300) >> 8; + tlb_t * entry = &s->itlb[index]; + + return (entry->vpn << 10) | + (entry->v << 8) | + (entry->asid); +} + void cpu_sh4_write_mmaped_itlb_addr(CPUSH4State *s, target_phys_addr_t addr, uint32_t mem_value) { @@ -586,6 +597,29 @@ void cpu_sh4_write_mmaped_itlb_addr(CPUSH4State *s, target_phys_addr_t addr, entry->v = v; } +uint32_t cpu_sh4_read_mmaped_itlb_data(CPUSH4State *s, + target_phys_addr_t addr) +{ + int array = (addr & 0x00800000) >> 23; + int index = (addr & 0x00000300) >> 8; + tlb_t * entry = &s->itlb[index]; + + if (array == 0) { + /* ITLB Data Array 1 */ + return (entry->ppn << 10) | + (entry->v << 8) | + (entry->pr << 5) | + ((entry->sz & 1) << 6) | + ((entry->sz & 2) << 4) | + (entry->c << 3) | + (entry->sh << 1); + } else { + /* ITLB Data Array 2 */ + return (entry->tc << 1) | + (entry->sa); + } +} + void cpu_sh4_write_mmaped_itlb_data(CPUSH4State *s, target_phys_addr_t addr, uint32_t mem_value) { @@ -614,6 +648,19 @@ void cpu_sh4_write_mmaped_itlb_data(CPUSH4State *s, target_phys_addr_t addr, } } +uint32_t cpu_sh4_read_mmaped_utlb_addr(CPUSH4State *s, + target_phys_addr_t addr) +{ + int index = (addr & 0x00003f00) >> 8; + tlb_t * entry = &s->utlb[index]; + + increment_urc(s); /* per utlb access */ + + return (entry->vpn << 10) | + (entry->v << 8) | + (entry->asid); +} + void cpu_sh4_write_mmaped_utlb_addr(CPUSH4State *s, target_phys_addr_t addr, uint32_t mem_value) { @@ -686,6 +733,33 @@ void cpu_sh4_write_mmaped_utlb_addr(CPUSH4State *s, target_phys_addr_t addr, } } +uint32_t cpu_sh4_read_mmaped_utlb_data(CPUSH4State *s, + target_phys_addr_t addr) +{ + int array = (addr & 0x00800000) >> 23; + int index = (addr & 0x00003f00) >> 8; + tlb_t * entry = &s->utlb[index]; + + increment_urc(s); /* per utlb access */ + + if (array == 0) { + /* ITLB Data Array 1 */ + return (entry->ppn << 10) | + (entry->v << 8) | + (entry->pr << 5) | + ((entry->sz & 1) << 6) | + ((entry->sz & 2) << 4) | + (entry->c << 3) | + (entry->d << 2) | + (entry->sh << 1) | + (entry->wt); + } else { + /* ITLB Data Array 2 */ + return (entry->tc << 1) | + (entry->sa); + } +} + void cpu_sh4_write_mmaped_utlb_data(CPUSH4State *s, target_phys_addr_t addr, uint32_t mem_value) { |