diff options
| author | Philippe Mathieu-Daudé <philmd@linaro.org> | 2025-04-02 15:37:26 +0100 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2025-04-23 15:07:32 -0700 |
| commit | 8280a8b86659bf3c6965ccdad8458ab366817d6b (patch) | |
| tree | 5c8ab87dd9d38725e717449ef7dd8a8b474edb90 | |
| parent | 6f4e8a92bbd9590ff87eda638bda82ec1d255f81 (diff) | |
| download | qemu-8280a8b86659bf3c6965ccdad8458ab366817d6b.zip qemu-8280a8b86659bf3c6965ccdad8458ab366817d6b.tar.gz qemu-8280a8b86659bf3c6965ccdad8458ab366817d6b.tar.bz2 | |
target/riscv: Do not expose rv128 CPU on user mode emulation
As Richard mentioned:
We should allow RV128 in user-mode at all until there's a
kernel abi for it.
Remove the experimental 'x-rv128' CPU on user emulation
(since it is experimental, no deprecation period is required).
Reported-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | target/riscv/cpu.c | 10 | ||||
| -rw-r--r-- | target/riscv/tcg/tcg-cpu.c | 5 |
2 files changed, 7 insertions, 8 deletions
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 430b02d..ad534ce 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -697,7 +697,7 @@ static void rv64_xiangshan_nanhu_cpu_init(Object *obj) #endif } -#ifdef CONFIG_TCG +#if defined(CONFIG_TCG) && !defined(CONFIG_USER_ONLY) static void rv128_base_cpu_init(Object *obj) { RISCVCPU *cpu = RISCV_CPU(obj); @@ -708,11 +708,9 @@ static void rv128_base_cpu_init(Object *obj) /* Set latest version of privileged specification */ env->priv_ver = PRIV_VERSION_LATEST; -#ifndef CONFIG_USER_ONLY set_satp_mode_max_supported(RISCV_CPU(obj), VM_1_10_SV57); -#endif } -#endif /* CONFIG_TCG */ +#endif /* CONFIG_TCG && !CONFIG_USER_ONLY */ static void rv64i_bare_cpu_init(Object *obj) { @@ -3255,9 +3253,9 @@ static const TypeInfo riscv_cpu_type_infos[] = { DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_VEYRON_V1, MXL_RV64, rv64_veyron_v1_cpu_init), DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_XIANGSHAN_NANHU, MXL_RV64, rv64_xiangshan_nanhu_cpu_init), -#ifdef CONFIG_TCG +#if defined(CONFIG_TCG) && !defined(CONFIG_USER_ONLY) DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_BASE128, MXL_RV128, rv128_base_cpu_init), -#endif /* CONFIG_TCG */ +#endif /* CONFIG_TCG && !CONFIG_USER_ONLY */ DEFINE_BARE_CPU(TYPE_RISCV_CPU_RV64I, MXL_RV64, rv64i_bare_cpu_init), DEFINE_BARE_CPU(TYPE_RISCV_CPU_RV64E, MXL_RV64, rv64e_bare_cpu_init), DEFINE_PROFILE_CPU(TYPE_RISCV_CPU_RVA22U64, MXL_RV64, rva22u64_profile_cpu_init), diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c index 710449d..5d0429b 100644 --- a/target/riscv/tcg/tcg-cpu.c +++ b/target/riscv/tcg/tcg-cpu.c @@ -1046,7 +1046,6 @@ static bool riscv_cpu_is_generic(Object *cpu_obj) static bool riscv_tcg_cpu_realize(CPUState *cs, Error **errp) { RISCVCPU *cpu = RISCV_CPU(cs); - RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(cpu); if (!riscv_cpu_tcg_compatible(cpu)) { g_autofree char *name = riscv_cpu_get_name(cpu); @@ -1055,6 +1054,9 @@ static bool riscv_tcg_cpu_realize(CPUState *cs, Error **errp) return false; } +#ifndef CONFIG_USER_ONLY + RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(cpu); + if (mcc->misa_mxl_max >= MXL_RV128 && qemu_tcg_mttcg_enabled()) { /* Missing 128-bit aligned atomics */ error_setg(errp, @@ -1063,7 +1065,6 @@ static bool riscv_tcg_cpu_realize(CPUState *cs, Error **errp) return false; } -#ifndef CONFIG_USER_ONLY CPURISCVState *env = &cpu->env; tcg_cflags_set(CPU(cs), CF_PCREL); |