From: Richard Henderson <richard.henderson@linaro.org>
Disconnect mmu index computation from the current pl
as stored in env->hflags.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Link: https://lore.kernel.org/r/20240617161210.4639-2-richard.henderson@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
target/i386/cpu.h | 11 ++---------
target/i386/cpu.c | 27 ++++++++++++++++++++++++---
2 files changed, 26 insertions(+), 12 deletions(-)
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index c43ac01c794..1e121acef54 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -2445,15 +2445,8 @@ static inline bool is_mmu_index_32(int mmu_index)
return mmu_index & 1;
}
-static inline int cpu_mmu_index_kernel(CPUX86State *env)
-{
- int mmu_index_32 = (env->hflags & HF_LMA_MASK) ? 0 : 1;
- int mmu_index_base =
- !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP64_IDX :
- ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK)) ? MMU_KNOSMAP64_IDX : MMU_KSMAP64_IDX;
-
- return mmu_index_base + mmu_index_32;
-}
+int x86_mmu_index_pl(CPUX86State *env, unsigned pl);
+int cpu_mmu_index_kernel(CPUX86State *env);
#define CC_DST (env->cc_dst)
#define CC_SRC (env->cc_src)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index c05765eeafc..4688d140c2d 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -8122,18 +8122,39 @@ static bool x86_cpu_has_work(CPUState *cs)
return x86_cpu_pending_interrupt(cs, cs->interrupt_request) != 0;
}
-static int x86_cpu_mmu_index(CPUState *cs, bool ifetch)
+int x86_mmu_index_pl(CPUX86State *env, unsigned pl)
{
- CPUX86State *env = cpu_env(cs);
int mmu_index_32 = (env->hflags & HF_CS64_MASK) ? 0 : 1;
int mmu_index_base =
- (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER64_IDX :
+ pl == 3 ? MMU_USER64_IDX :
!(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP64_IDX :
(env->eflags & AC_MASK) ? MMU_KNOSMAP64_IDX : MMU_KSMAP64_IDX;
return mmu_index_base + mmu_index_32;
}
+static int x86_cpu_mmu_index(CPUState *cs, bool ifetch)
+{
+ CPUX86State *env = cpu_env(cs);
+ return x86_mmu_index_pl(env, env->hflags & HF_CPL_MASK);
+}
+
+static int x86_mmu_index_kernel_pl(CPUX86State *env, unsigned pl)
+{
+ int mmu_index_32 = (env->hflags & HF_LMA_MASK) ? 0 : 1;
+ int mmu_index_base =
+ !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP64_IDX :
+ (pl < 3 && (env->eflags & AC_MASK)
+ ? MMU_KNOSMAP64_IDX : MMU_KSMAP64_IDX);
+
+ return mmu_index_base + mmu_index_32;
+}
+
+int cpu_mmu_index_kernel(CPUX86State *env)
+{
+ return x86_mmu_index_kernel_pl(env, env->hflags & HF_CPL_MASK);
+}
+
static void x86_disas_set_info(CPUState *cs, disassemble_info *info)
{
X86CPU *cpu = X86_CPU(cs);
--
2.45.2