diff options
Diffstat (limited to 'target-i386/cpu.h')
| -rw-r--r-- | target-i386/cpu.h | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/target-i386/cpu.h b/target-i386/cpu.h index ee410af7ae..b5e1b411fb 100644 --- a/target-i386/cpu.h +++ b/target-i386/cpu.h @@ -249,6 +249,7 @@ #define PG_DIRTY_BIT 6 #define PG_PSE_BIT 7 #define PG_GLOBAL_BIT 8 +#define PG_PSE_PAT_BIT 12 #define PG_NX_BIT 63 #define PG_PRESENT_MASK (1 << PG_PRESENT_BIT) @@ -260,6 +261,9 @@ #define PG_DIRTY_MASK (1 << PG_DIRTY_BIT) #define PG_PSE_MASK (1 << PG_PSE_BIT) #define PG_GLOBAL_MASK (1 << PG_GLOBAL_BIT) +#define PG_PSE_PAT_MASK (1 << PG_PSE_PAT_BIT) +#define PG_ADDRESS_MASK 0x000ffffffffff000LL +#define PG_HI_RSVD_MASK (PG_ADDRESS_MASK & ~PHYS_ADDR_MASK) #define PG_HI_USER_MASK 0x7ff0000000000000LL #define PG_NX_MASK (1LL << PG_NX_BIT) @@ -1135,6 +1139,14 @@ uint64_t cpu_get_tsc(CPUX86State *env); #define TARGET_VIRT_ADDR_SPACE_BITS 32 #endif +/* XXX: This value should match the one returned by CPUID + * and in exec.c */ +# if defined(TARGET_X86_64) +# define PHYS_ADDR_MASK 0xffffffffffLL +# else +# define PHYS_ADDR_MASK 0xfffffffffLL +# endif + static inline CPUX86State *cpu_init(const char *cpu_model) { X86CPU *cpu = cpu_x86_init(cpu_model); @@ -1151,17 +1163,24 @@ static inline CPUX86State *cpu_init(const char *cpu_model) #define cpudef_setup x86_cpudef_setup /* MMU modes definitions */ -#define MMU_MODE0_SUFFIX _kernel +#define MMU_MODE0_SUFFIX _ksmap #define MMU_MODE1_SUFFIX _user -#define MMU_MODE2_SUFFIX _ksmap /* Kernel with SMAP override */ -#define MMU_KERNEL_IDX 0 +#define MMU_MODE2_SUFFIX _knosmap /* SMAP disabled or CPL<3 && AC=1 */ +#define MMU_KSMAP_IDX 0 #define MMU_USER_IDX 1 -#define MMU_KSMAP_IDX 2 -static inline int cpu_mmu_index (CPUX86State *env) +#define MMU_KNOSMAP_IDX 2 +static inline int cpu_mmu_index(CPUX86State *env) { return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX : - ((env->hflags & HF_SMAP_MASK) && (env->eflags & AC_MASK)) - ? MMU_KSMAP_IDX : MMU_KERNEL_IDX; + (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK)) + ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX; +} + +static inline int cpu_mmu_index_kernel(CPUX86State *env) +{ + return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX : + ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK)) + ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX; } #define CC_DST (env->cc_dst) |