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| author | Alistair Francis <alistair.francis@wdc.com> | 2020-11-03 20:43:31 -0800 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2020-11-09 15:08:57 -0800 |
| commit | 743077b35b1ed88ed243daefafe9403d88a958f6 (patch) | |
| tree | 762799695d3934a30887ee6725118945bb59c30c /target/riscv/cpu.h | |
| parent | 1c1c060aa866986ef8b7eb334abbb8c104a46e5c (diff) | |
| download | qemu-743077b35b1ed88ed243daefafe9403d88a958f6.zip qemu-743077b35b1ed88ed243daefafe9403d88a958f6.tar.gz qemu-743077b35b1ed88ed243daefafe9403d88a958f6.tar.bz2 | |
target/riscv: Remove the hyp load and store functions
Remove the special Virtulisation load and store functions and just use
the standard tcg tcg_gen_qemu_ld_tl() and tcg_gen_qemu_st_tl() functions
instead.
As part of this change we ensure we still run an access check to make
sure we can perform the operations.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 189ac3e53ef2854824d18aad7074c6649f17de2c.1604464950.git.alistair.francis@wdc.com
Diffstat (limited to 'target/riscv/cpu.h')
| -rw-r--r-- | target/riscv/cpu.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 0cf48a1..c0a326c 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -375,6 +375,8 @@ FIELD(TB_FLAGS, VL_EQ_VLMAX, 2, 1) FIELD(TB_FLAGS, LMUL, 3, 2) FIELD(TB_FLAGS, SEW, 5, 3) FIELD(TB_FLAGS, VILL, 8, 1) +/* Is a Hypervisor instruction load/store allowed? */ +FIELD(TB_FLAGS, HLSX, 9, 1) /* * A simplification for VLMAX @@ -421,7 +423,17 @@ static inline void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc, if (riscv_cpu_fp_enabled(env)) { flags |= env->mstatus & MSTATUS_FS; } + + if (riscv_has_ext(env, RVH)) { + if (env->priv == PRV_M || + (env->priv == PRV_S && !riscv_cpu_virt_enabled(env)) || + (env->priv == PRV_U && !riscv_cpu_virt_enabled(env) && + get_field(env->hstatus, HSTATUS_HU))) { + flags = FIELD_DP32(flags, TB_FLAGS, HLSX, 1); + } + } #endif + *pflags = flags; } |