Implement SSE instructions

2026-03-07 17:36:09 +01:00
parent 40bfc1e916
commit 5e616c1879
16 changed files with 80 additions and 15 deletions
--- a/kernel/amd64/sse.S
+++ b/kernel/amd64/sse.S
@@ -0,0 +1,12 @@
+.global sse_enable
+sse_enable:
+  movq %cr0, %rax
+  andq $~0x4, %rax
+  orq  $0x2, %rax
+  movq %rax, %cr0
+
+  movq %cr4, %rax
+  orq  $(1 << 9) | (1 << 10), %rax
+  movq %rax, %cr4
+
+  ret