diff options
Diffstat (limited to 'src/include/cpu/x86')
| -rw-r--r-- | src/include/cpu/x86/cache.h | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/src/include/cpu/x86/cache.h b/src/include/cpu/x86/cache.h index d4d9160252..dcc96b6626 100644 --- a/src/include/cpu/x86/cache.h +++ b/src/include/cpu/x86/cache.h @@ -47,10 +47,7 @@ void clflush_region(const uintptr_t start, const size_t size); */ static __always_inline void enable_cache(void) { - CRx_TYPE cr0; - cr0 = read_cr0(); - cr0 &= ~(CR0_CD | CR0_NW); - write_cr0(cr0); + write_cr0(read_cr0() & ~(CR0_CD | CR0_NW)); } /* @@ -66,10 +63,7 @@ static __always_inline bool self_snooping_supported(void) static __always_inline void disable_cache(void) { /* Disable and write back the cache */ - CRx_TYPE cr0; - cr0 = read_cr0(); - cr0 |= CR0_CD; - write_cr0(cr0); + write_cr0(read_cr0() | CR0_CD); if (!self_snooping_supported()) wbinvd(); } |