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authorAlistair Francis2020-02-01 02:02:46 +0100
committerPalmer Dabbelt2020-02-27 22:46:26 +0100
commit45b4dc8b403aa5473ec015336adf7d14d88e85c5 (patch)
tree3649e7892b152f3d2a96ea9d53aca86e4c60d9ca /target/riscv/translate.c
parenttarget/riscv: Disable guest FP support based on virtual status (diff)
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target/riscv: Mark both sstatus and msstatus_hs as dirty
Mark both sstatus and vsstatus as dirty (3). 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/riscv/translate.c')
-rw-r--r--target/riscv/translate.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index eff064dc44..3ce86adb89 100644
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -44,6 +44,8 @@ typedef struct DisasContext {
/* pc_succ_insn points to the instruction following base.pc_next */
target_ulong pc_succ_insn;
target_ulong priv_ver;
+ bool virt_enabled;
+ uint32_t opcode;
uint32_t mstatus_fs;
uint32_t misa;
uint32_t mem_idx;
@@ -395,6 +397,12 @@ static void mark_fs_dirty(DisasContext *ctx)
tcg_gen_ld_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus));
tcg_gen_ori_tl(tmp, tmp, MSTATUS_FS | MSTATUS_SD);
tcg_gen_st_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus));
+
+ if (ctx->virt_enabled) {
+ tcg_gen_ld_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus_hs));
+ tcg_gen_ori_tl(tmp, tmp, MSTATUS_FS | MSTATUS_SD);
+ tcg_gen_st_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus_hs));
+ }
tcg_temp_free(tmp);
}
#else
@@ -742,6 +750,11 @@ static void riscv_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
ctx->mem_idx = ctx->base.tb->flags & TB_FLAGS_MMU_MASK;
ctx->mstatus_fs = ctx->base.tb->flags & TB_FLAGS_MSTATUS_FS;
ctx->priv_ver = env->priv_ver;
+#if !defined(CONFIG_USER_ONLY)
+ ctx->virt_enabled = riscv_cpu_virt_enabled(env);
+#else
+ ctx->virt_enabled = false;
+#endif
ctx->misa = env->misa;
ctx->frm = -1; /* unknown rounding mode */
ctx->ext_ifencei = cpu->cfg.ext_ifencei;