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Turn on OSXSAVE

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This commit is contained in:
Josh Holtrop 2022-11-05 21:17:30 -04:00
parent 64190b04cb
commit 1b69810e8f
1 changed files with 1 additions and 1 deletions
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2
src/hulk/hulk.d
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@ -41,7 +41,7 @@ private void initialize_cpu()
/* 1.b. Set CR4.OSFXSR and CR4.OSXMMEXCPT. */ /* 1.b. Set CR4.OSFXSR and CR4.OSXMMEXCPT. */
write_cr4(read_cr4() | CR4_OSFXSR | CR4_OSXMMEXCPT); write_cr4(read_cr4() | CR4_OSFXSR | CR4_OSXMMEXCPT);
/* 2. Enable OSXSAVE. */ /* 2. Enable OSXSAVE. */
// write_cr4(read_cr4() | CR4_OSXSAVE); write_cr4(read_cr4() | CR4_OSXSAVE);
/* 3. Enable AVX. */ /* 3. Enable AVX. */
// xsetbv(0u, xgetbv(0u) | XCR0_X87 | XCR0_SSE | XCR0_AVX); // xsetbv(0u, xgetbv(0u) | XCR0_X87 | XCR0_SSE | XCR0_AVX);
} }