diff options
| author | Alistair Francis <alistair.francis@wdc.com> | 2020-01-31 17:03:08 -0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2020-02-27 13:46:33 -0800 |
| commit | e44b50b5b2e508fdd24915ab0e44ac49685e1de3 (patch) | |
| tree | e0a6d6fa3b43bbab5534860e590114d95e90f0b6 /target | |
| parent | 551fa7e8a695ea5fd1cca8ffd318556855bbf54f (diff) | |
| download | qemu-e44b50b5b2e508fdd24915ab0e44ac49685e1de3.zip qemu-e44b50b5b2e508fdd24915ab0e44ac49685e1de3.tar.gz qemu-e44b50b5b2e508fdd24915ab0e44ac49685e1de3.tar.bz2 | |
target/riscv: Add the MSTATUS_MPV_ISSET helper macro
Add a helper macro MSTATUS_MPV_ISSET() which will determine if the
MSTATUS_MPV bit is set for both 32-bit and 64-bit RISC-V.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'target')
| -rw-r--r-- | target/riscv/cpu_bits.h | 11 | ||||
| -rw-r--r-- | target/riscv/cpu_helper.c | 4 | ||||
| -rw-r--r-- | target/riscv/op_helper.c | 2 | ||||
| -rw-r--r-- | target/riscv/translate.c | 2 |
4 files changed, 15 insertions, 4 deletions
diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h index 049032f..7f64ee1 100644 --- a/target/riscv/cpu_bits.h +++ b/target/riscv/cpu_bits.h @@ -363,8 +363,19 @@ #define MSTATUS_TVM 0x00100000 /* since: priv-1.10 */ #define MSTATUS_TW 0x20000000 /* since: priv-1.10 */ #define MSTATUS_TSR 0x40000000 /* since: priv-1.10 */ +#if defined(TARGET_RISCV64) #define MSTATUS_MTL 0x4000000000ULL #define MSTATUS_MPV 0x8000000000ULL +#elif defined(TARGET_RISCV32) +#define MSTATUS_MTL 0x00000040 +#define MSTATUS_MPV 0x00000080 +#endif + +#ifdef TARGET_RISCV32 +# define MSTATUS_MPV_ISSET(env) get_field(env->mstatush, MSTATUS_MPV) +#else +# define MSTATUS_MPV_ISSET(env) get_field(env->mstatus, MSTATUS_MPV) +#endif #define MSTATUS64_UXL 0x0000000300000000ULL #define MSTATUS64_SXL 0x0000000C00000000ULL diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 10f246d..29a1b37 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -322,7 +322,7 @@ static int get_physical_address(CPURISCVState *env, hwaddr *physical, mode = get_field(env->mstatus, MSTATUS_MPP); if (riscv_has_ext(env, RVH) && - get_field(env->mstatus, MSTATUS_MPV)) { + MSTATUS_MPV_ISSET(env)) { use_background = true; } } @@ -722,7 +722,7 @@ bool riscv_cpu_tlb_fill(CPUState *cs, vaddr address, int size, m_mode_two_stage = env->priv == PRV_M && access_type != MMU_INST_FETCH && get_field(env->mstatus, MSTATUS_MPRV) && - get_field(env->mstatus, MSTATUS_MPV); + MSTATUS_MPV_ISSET(env); hs_mode_two_stage = env->priv == PRV_S && !riscv_cpu_virt_enabled(env) && diff --git a/target/riscv/op_helper.c b/target/riscv/op_helper.c index dca68fa..8736f68 100644 --- a/target/riscv/op_helper.c +++ b/target/riscv/op_helper.c @@ -146,7 +146,7 @@ target_ulong helper_mret(CPURISCVState *env, target_ulong cpu_pc_deb) target_ulong mstatus = env->mstatus; target_ulong prev_priv = get_field(mstatus, MSTATUS_MPP); - target_ulong prev_virt = get_field(mstatus, MSTATUS_MPV); + target_ulong prev_virt = MSTATUS_MPV_ISSET(env); mstatus = set_field(mstatus, env->priv_ver >= PRIV_VERSION_1_10_0 ? MSTATUS_MIE : MSTATUS_UIE << prev_priv, diff --git a/target/riscv/translate.c b/target/riscv/translate.c index b51ab92..43bf7e3 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -755,7 +755,7 @@ static void riscv_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) ctx->virt_enabled = riscv_cpu_virt_enabled(env); if (env->priv_ver == PRV_M && get_field(env->mstatus, MSTATUS_MPRV) && - get_field(env->mstatus, MSTATUS_MPV)) { + MSTATUS_MPV_ISSET(env)) { ctx->virt_enabled = true; } else if (env->priv == PRV_S && !riscv_cpu_virt_enabled(env) && |