diff options
Diffstat (limited to 'target-sh4/cpu.h')
| -rw-r--r-- | target-sh4/cpu.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/target-sh4/cpu.h b/target-sh4/cpu.h index add6a47b1..edfda1f90 100644 --- a/target-sh4/cpu.h +++ b/target-sh4/cpu.h @@ -77,6 +77,8 @@ typedef struct tlb_t { #define UTLB_SIZE 64 #define ITLB_SIZE 4 +#define NB_MMU_MODES 2 + typedef struct CPUSH4State { uint32_t flags; /* general execution flags */ uint32_t gregs[24]; /* general registers */ @@ -134,6 +136,15 @@ int cpu_sh4_signal_handler(int host_signum, void *pinfo, #define cpu_gen_code cpu_sh4_gen_code #define cpu_signal_handler cpu_sh4_signal_handler +/* MMU modes definitions */ +#define MMU_MODE0_SUFFIX _kernel +#define MMU_MODE1_SUFFIX _user +#define MMU_USER_IDX 1 +static inline int cpu_mmu_index (CPUState *env) +{ + return (env->sr & SR_MD) == 0 ? 1 : 0; +} + #include "cpu-all.h" /* Memory access type */ |