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fix(kernel/bootstrap): enable SSE

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This shouldn't be an issue, I guess all 64-bit CPU's support SSE anyway...
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EnderIce2
2025-04-22 21:24:51 +00:00
parent 1e4d404a43
commit c254b96256
2 changed files with 10 additions and 5 deletions
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12
Kernel/arch/amd64/bootstrap/multiboot/start.s
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@ -68,8 +68,10 @@ Multiboot_start:
je x32Hang
mov %cr4, %ecx
or $0x00000010, %ecx /* PSE */
or $0x00000020, %ecx /* PAE */
or $0x10, %ecx /* PSE */
or $0x20, %ecx /* PAE */
or $0x200, %ecx /* OSFXSR */
or $0x400, %ecx /* OSXMMEXCPT */
mov %ecx, %cr4
call LoadGDT32
@ -82,12 +84,14 @@ Multiboot_start:
rdmsr
or $0x800, %eax /* LME */
or $0x100, %eax /* LMA */
or $0x1, %eax /* SCE */
or $0x1, %eax /* SCE */
wrmsr
mov %cr0, %ecx
and $~0x4, %ecx /* EM */
or $0x2, %ecx /* MP */
or $0x80000000, %ecx /* PG */
or $0x1, %ecx /* PE */
or $0x1, %ecx /* PE */
mov %ecx, %cr0
lgdt [GDT64.Ptr]