On Mon, 09 Dec 2019 10:12:12 PST (-0800), Alistair Francis wrote:
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.fran...@wdc.com> --- target/riscv/cpu_bits.h | 11 +++++++++++ target/riscv/cpu_helper.c | 4 ++-- target/riscv/op_helper.c | 2 +- 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 049032f2ae..dd012a514e 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 c2ad0bbce7..7166e6199e 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -314,7 +314,7 @@ 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; } } @@ -714,7 +714,7 @@ 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 a0a631d722..b0b9890a15 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 dd93e12b45..0a28f208a2 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -752,7 +752,7 @@ 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) &&
Reviewed-by: Palmer Dabbelt <palmerdabb...@google.com>
