diff options
Diffstat (limited to 'target-i386/cpu.h')
| -rw-r--r-- | target-i386/cpu.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/target-i386/cpu.h b/target-i386/cpu.h index ef7d951fc..198ea7d2f 100644 --- a/target-i386/cpu.h +++ b/target-i386/cpu.h @@ -874,6 +874,17 @@ uint64_t cpu_get_tsc(CPUX86State *env); #define TARGET_PAGE_BITS 12 +#ifdef TARGET_X86_64 +#define TARGET_PHYS_ADDR_SPACE_BITS 52 +/* ??? This is really 48 bits, sign-extended, but the only thing + accessible to userland with bit 48 set is the VSYSCALL, and that + is handled via other mechanisms. */ +#define TARGET_VIRT_ADDR_SPACE_BITS 47 +#else +#define TARGET_PHYS_ADDR_SPACE_BITS 36 +#define TARGET_VIRT_ADDR_SPACE_BITS 32 +#endif + #define cpu_init cpu_x86_init #define cpu_exec cpu_x86_exec #define cpu_gen_code cpu_x86_gen_code |