diff options
Diffstat (limited to 'target-i386')
| -rw-r--r-- | target-i386/helper.c | 16 | ||||
| -rw-r--r-- | target-i386/helper2.c | 13 |
2 files changed, 26 insertions, 3 deletions
diff --git a/target-i386/helper.c b/target-i386/helper.c index b2c829926c..c3d307eeb4 100644 --- a/target-i386/helper.c +++ b/target-i386/helper.c @@ -1747,7 +1747,21 @@ void helper_cpuid(void) break; case 0x80000008: /* virtual & phys address size in low 2 bytes. */ - EAX = 0x00003028; +/* XXX: This value must match the one used in the MMU code. */ +#if defined(TARGET_X86_64) +# if defined(USE_KQEMU) + EAX = 0x00003020; /* 48 bits virtual, 32 bits physical */ +# else +/* XXX: The physical address space is limited to 42 bits in exec.c. */ + EAX = 0x00003028; /* 48 bits virtual, 40 bits physical */ +# endif +#else +# if defined(USE_KQEMU) + EAX = 0x00000020; /* 32 bits physical */ +# else + EAX = 0x00000024; /* 36 bits physical */ +# endif +#endif EBX = 0; ECX = 0; EDX = 0; diff --git a/target-i386/helper2.c b/target-i386/helper2.c index 106720aa7f..6cf218fa0d 100644 --- a/target-i386/helper2.c +++ b/target-i386/helper2.c @@ -800,8 +800,17 @@ target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr) #else -/* Bits 52-62 of a PTE are reserved. Bit 63 is the NX bit. */ -#define PHYS_ADDR_MASK 0xffffffffff000L +/* XXX: This value should match the one returned by CPUID + * and in exec.c */ +#if defined(USE_KQEMU) +#define PHYS_ADDR_MASK 0xfffff000L +#else +# if defined(TARGET_X86_64) +# define PHYS_ADDR_MASK 0xfffffff000L +# else +# define PHYS_ADDR_MASK 0xffffff000L +# endif +#endif /* return value: -1 = cannot handle fault |