diff options
Diffstat (limited to 'target-sh4/cpu.h')
-rw-r--r-- | target-sh4/cpu.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/target-sh4/cpu.h b/target-sh4/cpu.h index 6b90f47d11..72ac82f135 100644 --- a/target-sh4/cpu.h +++ b/target-sh4/cpu.h @@ -163,5 +163,78 @@ enum { #define MMUCR 0x1F000010 #define MMUCR_AT (1<<0) #define MMUCR_SV (1<<8) +#define MMUCR_URC_BITS (6) +#define MMUCR_URC_OFFSET (10) +#define MMUCR_URC_SIZE (1 << MMUCR_URC_BITS) +#define MMUCR_URC_MASK (((MMUCR_URC_SIZE) - 1) << MMUCR_URC_OFFSET) +static inline int cpu_mmucr_urc (uint32_t mmucr) +{ + return ((mmucr & MMUCR_URC_MASK) >> MMUCR_URC_OFFSET); +} + +/* PTEH : Page Translation Entry High register */ +#define PTEH_ASID_BITS (8) +#define PTEH_ASID_SIZE (1 << PTEH_ASID_BITS) +#define PTEH_ASID_MASK (PTEH_ASID_SIZE - 1) +#define cpu_pteh_asid(pteh) ((pteh) & PTEH_ASID_MASK) +#define PTEH_VPN_BITS (22) +#define PTEH_VPN_OFFSET (10) +#define PTEH_VPN_SIZE (1 << PTEH_VPN_BITS) +#define PTEH_VPN_MASK (((PTEH_VPN_SIZE) - 1) << PTEH_VPN_OFFSET) +static inline int cpu_pteh_vpn (uint32_t pteh) +{ + return ((pteh & PTEH_VPN_MASK) >> PTEH_VPN_OFFSET); +} + +/* PTEL : Page Translation Entry Low register */ +#define PTEL_V (1 << 8) +#define cpu_ptel_v(ptel) (((ptel) & PTEL_V) >> 8) +#define PTEL_C (1 << 3) +#define cpu_ptel_c(ptel) (((ptel) & PTEL_C) >> 3) +#define PTEL_D (1 << 2) +#define cpu_ptel_d(ptel) (((ptel) & PTEL_D) >> 2) +#define PTEL_SH (1 << 1) +#define cpu_ptel_sh(ptel)(((ptel) & PTEL_SH) >> 1) +#define PTEL_WT (1 << 0) +#define cpu_ptel_wt(ptel) ((ptel) & PTEL_WT) + +#define PTEL_SZ_HIGH_OFFSET (7) +#define PTEL_SZ_HIGH (1 << PTEL_SZ_HIGH_OFFSET) +#define PTEL_SZ_LOW_OFFSET (4) +#define PTEL_SZ_LOW (1 << PTEL_SZ_LOW_OFFSET) +static inline int cpu_ptel_sz (uint32_t ptel) +{ + int sz; + sz = (ptel & PTEL_SZ_HIGH) >> PTEL_SZ_HIGH_OFFSET; + sz <<= 1; + sz |= (ptel & PTEL_SZ_LOW) >> PTEL_SZ_LOW_OFFSET; + return sz; +} + +#define PTEL_PPN_BITS (19) +#define PTEL_PPN_OFFSET (10) +#define PTEL_PPN_SIZE (1 << PTEL_PPN_BITS) +#define PTEL_PPN_MASK (((PTEL_PPN_SIZE) - 1) << PTEL_PPN_OFFSET) +static inline int cpu_ptel_ppn (uint32_t ptel) +{ + return ((ptel & PTEL_PPN_MASK) >> PTEL_PPN_OFFSET); +} + +#define PTEL_PR_BITS (2) +#define PTEL_PR_OFFSET (5) +#define PTEL_PR_SIZE (1 << PTEL_PR_BITS) +#define PTEL_PR_MASK (((PTEL_PR_SIZE) - 1) << PTEL_PR_OFFSET) +static inline int cpu_ptel_pr (uint32_t ptel) +{ + return ((ptel & PTEL_PR_MASK) >> PTEL_PR_OFFSET); +} + +/* PTEA : Page Translation Entry Assistance register */ +#define PTEA_SA_BITS (3) +#define PTEA_SA_SIZE (1 << PTEA_SA_BITS) +#define PTEA_SA_MASK (PTEA_SA_SIZE - 1) +#define cpu_ptea_sa(ptea) ((ptea) & PTEA_SA_MASK) +#define PTEA_TC (1 << 3) +#define cpu_ptea_tc(ptea) (((ptea) & PTEA_TC) >> 3) #endif /* _CPU_SH4_H */ |