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x86_64: enable NX protection during AP bootstrap

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max 🍓
2023-05-03 19:20:07 +01:00
parent 2a96aa7be9
commit 390fe86657
1 changed files with 3 additions and 3 deletions
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6
arch/x86_64/acpi/ap_trampoline.S
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@@ -76,7 +76,7 @@ _L80A0:
movl %ebx, %edi movl %ebx, %edi
movl %cr4, %eax movl %cr4, %eax
orl $0xb0, %eax orl $0x20, %eax
movl %eax, %cr4 movl %eax, %cr4
movl $0x8ff8, %eax movl $0x8ff8, %eax
@@ -85,8 +85,8 @@ _L80A0:
movl $0xC0000080, %ecx movl $0xC0000080, %ecx
rdmsr rdmsr
# enable long mode and the 'syscall/sysret' instructions # enable long mode, syscall/sysret, and NX protection
orl $0x00000101, %eax orl $0x00000901, %eax
wrmsr wrmsr
movl $0x8058, %eax movl $0x8058, %eax