diff --git a/qemu/header_gen.py b/qemu/header_gen.py index 6400857d..1e53dcda 100644 --- a/qemu/header_gen.py +++ b/qemu/header_gen.py @@ -5707,6 +5707,7 @@ riscv_symbols = ( 'helper_fsqrt_s', 'helper_fsub_d', 'helper_fsub_s', + 'helper_hyp_tlb_flush', 'helper_mret', 'helper_tlb_flush', 'helper_set_rounding_mode', diff --git a/qemu/riscv32.h b/qemu/riscv32.h index fbb9714d..40bd2cc1 100644 --- a/qemu/riscv32.h +++ b/qemu/riscv32.h @@ -3458,6 +3458,7 @@ #define helper_fsqrt_s helper_fsqrt_s_riscv32 #define helper_fsub_d helper_fsub_d_riscv32 #define helper_fsub_s helper_fsub_s_riscv32 +#define helper_hyp_tlb_flush helper_hyp_tlb_flush_riscv32 #define helper_mret helper_mret_riscv32 #define helper_tlb_flush helper_tlb_flush_riscv32 #define helper_set_rounding_mode helper_set_rounding_mode_riscv32 diff --git a/qemu/riscv64.h b/qemu/riscv64.h index f36b6149..a1bbc53d 100644 --- a/qemu/riscv64.h +++ b/qemu/riscv64.h @@ -3458,6 +3458,7 @@ #define helper_fsqrt_s helper_fsqrt_s_riscv64 #define helper_fsub_d helper_fsub_d_riscv64 #define helper_fsub_s helper_fsub_s_riscv64 +#define helper_hyp_tlb_flush helper_hyp_tlb_flush_riscv64 #define helper_mret helper_mret_riscv64 #define helper_tlb_flush helper_tlb_flush_riscv64 #define helper_set_rounding_mode helper_set_rounding_mode_riscv64 diff --git a/qemu/target/riscv/helper.h b/qemu/target/riscv/helper.h index 7f819c47..c9b6e2ee 100644 --- a/qemu/target/riscv/helper.h +++ b/qemu/target/riscv/helper.h @@ -79,3 +79,8 @@ DEF_HELPER_2(mret, tl, env, tl) DEF_HELPER_1(wfi, void, env) DEF_HELPER_1(tlb_flush, void, env) #endif + +/* Hypervisor functions */ +#ifndef CONFIG_USER_ONLY +DEF_HELPER_1(hyp_tlb_flush, void, env) +#endif diff --git a/qemu/target/riscv/insn_trans/trans_rvh.inc.c b/qemu/target/riscv/insn_trans/trans_rvh.inc.c index 40a31c70..26182f66 100644 --- a/qemu/target/riscv/insn_trans/trans_rvh.inc.c +++ b/qemu/target/riscv/insn_trans/trans_rvh.inc.c @@ -18,40 +18,22 @@ static bool trans_hfence_gvma(DisasContext *ctx, arg_sfence_vma *a) { + REQUIRE_EXT(ctx, RVH); #ifndef CONFIG_USER_ONLY TCGContext *tcg_ctx = ctx->uc->tcg_ctx; - if (has_ext(ctx, RVH)) { - /* Hpervisor extensions exist */ - /* - * if (env->priv == PRV_M || - * (env->priv == PRV_S && - * !riscv_cpu_virt_enabled(env) && - * get_field(ctx->mstatus_fs, MSTATUS_TVM))) { - */ - gen_helper_tlb_flush(tcg_ctx, tcg_ctx->cpu_env); - return true; - /* } */ - } + gen_helper_hyp_tlb_flush(tcg_ctx, tcg_ctx->cpu_env); + return true; #endif return false; } static bool trans_hfence_vvma(DisasContext *ctx, arg_sfence_vma *a) { + REQUIRE_EXT(ctx, RVH); #ifndef CONFIG_USER_ONLY TCGContext *tcg_ctx = ctx->uc->tcg_ctx; - if (has_ext(ctx, RVH)) { - /* Hpervisor extensions exist */ - /* - * if (env->priv == PRV_M || - * (env->priv == PRV_S && - * !riscv_cpu_virt_enabled(env) && - * get_field(ctx->mstatus_fs, MSTATUS_TVM))) { - */ - gen_helper_tlb_flush(tcg_ctx, tcg_ctx->cpu_env); - return true; - /* } */ - } + gen_helper_hyp_tlb_flush(tcg_ctx, tcg_ctx->cpu_env); + return true; #endif return false; } diff --git a/qemu/target/riscv/op_helper.c b/qemu/target/riscv/op_helper.c index b1269ced..790dce20 100644 --- a/qemu/target/riscv/op_helper.c +++ b/qemu/target/riscv/op_helper.c @@ -193,4 +193,17 @@ void helper_tlb_flush(CPURISCVState *env) } } +void helper_hyp_tlb_flush(CPURISCVState *env) +{ + CPUState *cs = env_cpu(env); + + if (env->priv == PRV_M || + (env->priv == PRV_S && !riscv_cpu_virt_enabled(env))) { + tlb_flush(cs); + return; + } + + riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC()); +} + #endif /* !CONFIG_USER_ONLY */