diff options
| -rw-r--r-- | include/qom/cpu.h | 7 | ||||
| -rw-r--r-- | target-i386/helper.c | 11 |
2 files changed, 17 insertions, 1 deletions
diff --git a/include/qom/cpu.h b/include/qom/cpu.h index f99885a137..df977c88f0 100644 --- a/include/qom/cpu.h +++ b/include/qom/cpu.h @@ -53,7 +53,12 @@ typedef uint64_t vaddr; #define TYPE_CPU "cpu" -#define CPU(obj) OBJECT_CHECK(CPUState, (obj), TYPE_CPU) +/* Since this macro is used a lot in hot code paths and in conjunction with + * FooCPU *foo_env_get_cpu(), we deviate from usual QOM practice by using + * an unchecked cast. + */ +#define CPU(obj) ((CPUState *)(obj)) + #define CPU_CLASS(class) OBJECT_CLASS_CHECK(CPUClass, (class), TYPE_CPU) #define CPU_GET_CLASS(obj) OBJECT_GET_CLASS(CPUClass, (obj), TYPE_CPU) diff --git a/target-i386/helper.c b/target-i386/helper.c index 4f447b8cf9..372f0e3ecb 100644 --- a/target-i386/helper.c +++ b/target-i386/helper.c @@ -941,6 +941,14 @@ hwaddr x86_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) pdpe = ldq_phys(cs->as, pdpe_addr); if (!(pdpe & PG_PRESENT_MASK)) return -1; + + if (pdpe & PG_PSE_MASK) { + page_size = 1024 * 1024 * 1024; + pte = pdpe & ~( (page_size - 1) & ~0xfff); + pte &= ~(PG_NX_MASK | PG_HI_USER_MASK); + goto out; + } + } else #endif { @@ -993,6 +1001,9 @@ hwaddr x86_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) pte = pte & env->a20_mask; } +#ifdef TARGET_X86_64 +out: +#endif page_offset = (addr & TARGET_PAGE_MASK) & (page_size - 1); paddr = (pte & TARGET_PAGE_MASK) + page_offset; return paddr; |