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enable AVX512 support

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This commit is contained in:
Stefan Lankes 2016-10-20 00:09:34 +02:00
parent b24979e448
commit 67320feba5
1 changed files with 2 additions and 0 deletions
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2
hermit/arch/x86/kernel/processor.c
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@ -503,6 +503,8 @@ int cpu_detection(void) {
xcr0 |= 0x2;
if (has_avx())
xcr0 |= 0x4;
if (has_avx512f())
xcr0 |= 0xE0;
xsetbv(0, xcr0);
kprintf("Set XCR0 to 0x%llx\n", xgetbv(0));