diff options
Diffstat (limited to 'src/cpu/x86/cache/cache.c')
| -rw-r--r-- | src/cpu/x86/cache/cache.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/cpu/x86/cache/cache.c b/src/cpu/x86/cache/cache.c index d02d6d4427..6413660b83 100644 --- a/src/cpu/x86/cache/cache.c +++ b/src/cpu/x86/cache/cache.c @@ -12,16 +12,11 @@ bool clflush_supported(void) return (cpuid_edx(1) >> CPUID_FEATURE_CLFLUSH_BIT) & 1; } -static void clflush_region(const uintptr_t start, const size_t size) +void clflush_region(const uintptr_t start, const size_t size) { uintptr_t addr; const size_t cl_size = ((cpuid_ebx(1) >> 8) & 0xff) * 8; - if (!clflush_supported()) { - printk(BIOS_DEBUG, "Not flushing cache to RAM, CLFLUSH not supported\n"); - return; - } - printk(BIOS_SPEW, "CLFLUSH [0x%lx, 0x%lx]\n", start, start + size); for (addr = ALIGN_DOWN(start, cl_size); addr < start + size; addr += cl_size) @@ -54,5 +49,8 @@ void arch_segment_loaded(uintptr_t start, size_t size, int flags) if (!cbmem_online()) return; - clflush_region(start, size); + if (clflush_supported()) + clflush_region(start, size); + else + printk(BIOS_DEBUG, "Not flushing cache to RAM, CLFLUSH not supported\n"); } |