diff options
| -rw-r--r-- | target/riscv/cpu.c | 2 | ||||
| -rw-r--r-- | target/riscv/cpu.h | 8 | ||||
| -rw-r--r-- | target/riscv/cpu_bits.h | 12 | ||||
| -rw-r--r-- | target/riscv/csr.c | 14 |
4 files changed, 20 insertions, 16 deletions
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index fab38859ec..32c04214a1 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -759,7 +759,7 @@ static void riscv_cpu_reset_hold(Object *obj) i++; } /* mmte is supposed to have pm.current hardwired to 1 */ - env->mmte |= (PM_EXT_INITIAL | MMTE_M_PM_CURRENT); + env->mmte |= (EXT_STATUS_INITIAL | MMTE_M_PM_CURRENT); #endif env->xl = riscv_cpu_mxl(env); riscv_cpu_update_mask(env); diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index aa53d0e256..ba11279716 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -97,6 +97,14 @@ enum { TRANSLATE_G_STAGE_FAIL }; +/* Extension context status */ +typedef enum { + EXT_STATUS_DISABLED = 0, + EXT_STATUS_INITIAL, + EXT_STATUS_CLEAN, + EXT_STATUS_DIRTY, +} RISCVExtStatus; + #define MMU_USER_IDX 3 #define MAX_RISCV_PMPS (16) diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h index a16bfaf43f..fb63b8e125 100644 --- a/target/riscv/cpu_bits.h +++ b/target/riscv/cpu_bits.h @@ -9,6 +9,9 @@ (((uint64_t)(val) * ((mask) & ~((mask) << 1))) & \ (uint64_t)(mask))) +/* Extension context status mask */ +#define EXT_STATUS_MASK 0x3ULL + /* Floating point round mode */ #define FSR_RD_SHIFT 5 #define FSR_RD (0x7 << FSR_RD_SHIFT) @@ -735,13 +738,6 @@ typedef enum RISCVException { #define PM_ENABLE 0x00000001ULL #define PM_CURRENT 0x00000002ULL #define PM_INSN 0x00000004ULL -#define PM_XS_MASK 0x00000003ULL - -/* PointerMasking XS bits values */ -#define PM_EXT_DISABLE 0x00000000ULL -#define PM_EXT_INITIAL 0x00000001ULL -#define PM_EXT_CLEAN 0x00000002ULL -#define PM_EXT_DIRTY 0x00000003ULL /* Execution enviornment configuration bits */ #define MENVCFG_FIOM BIT(0) @@ -781,7 +777,7 @@ typedef enum RISCVException { #define S_OFFSET 5ULL #define M_OFFSET 8ULL -#define PM_XS_BITS (PM_XS_MASK << XS_OFFSET) +#define PM_XS_BITS (EXT_STATUS_MASK << XS_OFFSET) #define U_PM_ENABLE (PM_ENABLE << U_OFFSET) #define U_PM_CURRENT (PM_CURRENT << U_OFFSET) #define U_PM_INSN (PM_INSN << U_OFFSET) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index d2271da137..92ad54411b 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -3548,7 +3548,7 @@ static RISCVException write_mmte(CPURISCVState *env, int csrno, /* hardwiring pm.instruction bit to 0, since it's not supported yet */ wpri_val &= ~(MMTE_M_PM_INSN | MMTE_S_PM_INSN | MMTE_U_PM_INSN); - env->mmte = wpri_val | PM_EXT_DIRTY; + env->mmte = wpri_val | EXT_STATUS_DIRTY; riscv_cpu_update_mask(env); /* Set XS and SD bits, since PM CSRs are dirty */ @@ -3628,7 +3628,7 @@ static RISCVException write_mpmmask(CPURISCVState *env, int csrno, if ((env->priv == PRV_M) && (env->mmte & M_PM_ENABLE)) { env->cur_pmmask = val; } - env->mmte |= PM_EXT_DIRTY; + env->mmte |= EXT_STATUS_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ mstatus = env->mstatus | MSTATUS_XS; @@ -3656,7 +3656,7 @@ static RISCVException write_spmmask(CPURISCVState *env, int csrno, if ((env->priv == PRV_S) && (env->mmte & S_PM_ENABLE)) { env->cur_pmmask = val; } - env->mmte |= PM_EXT_DIRTY; + env->mmte |= EXT_STATUS_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ mstatus = env->mstatus | MSTATUS_XS; @@ -3684,7 +3684,7 @@ static RISCVException write_upmmask(CPURISCVState *env, int csrno, if ((env->priv == PRV_U) && (env->mmte & U_PM_ENABLE)) { env->cur_pmmask = val; } - env->mmte |= PM_EXT_DIRTY; + env->mmte |= EXT_STATUS_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ mstatus = env->mstatus | MSTATUS_XS; @@ -3708,7 +3708,7 @@ static RISCVException write_mpmbase(CPURISCVState *env, int csrno, if ((env->priv == PRV_M) && (env->mmte & M_PM_ENABLE)) { env->cur_pmbase = val; } - env->mmte |= PM_EXT_DIRTY; + env->mmte |= EXT_STATUS_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ mstatus = env->mstatus | MSTATUS_XS; @@ -3736,7 +3736,7 @@ static RISCVException write_spmbase(CPURISCVState *env, int csrno, if ((env->priv == PRV_S) && (env->mmte & S_PM_ENABLE)) { env->cur_pmbase = val; } - env->mmte |= PM_EXT_DIRTY; + env->mmte |= EXT_STATUS_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ mstatus = env->mstatus | MSTATUS_XS; @@ -3764,7 +3764,7 @@ static RISCVException write_upmbase(CPURISCVState *env, int csrno, if ((env->priv == PRV_U) && (env->mmte & U_PM_ENABLE)) { env->cur_pmbase = val; } - env->mmte |= PM_EXT_DIRTY; + env->mmte |= EXT_STATUS_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ mstatus = env->mstatus | MSTATUS_XS; |