diff options
| -rw-r--r-- | src/sys/arch/amd64/cpu/mmu.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/sys/arch/amd64/cpu/mmu.c b/src/sys/arch/amd64/cpu/mmu.c index e61e0b0..25fca35 100644 --- a/src/sys/arch/amd64/cpu/mmu.c +++ b/src/sys/arch/amd64/cpu/mmu.c @@ -146,16 +146,16 @@ __mmu_read_cr3(void) static inline pglvl_t mmu_pg_level(void) { - uint64_t cr0; + uint64_t cr4; __ASMV( - "mov %%cr0, %0" - : "=r" (cr0) + "mov %%cr4, %0" + : "=r" (cr4) : : "memory" ); - if (ISSET(cr0, CR4_L5_PAGING)) { + if (ISSET(cr4, CR4_L5_PAGING)) { return MMU_L5; } |