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Diffstat (limited to 'src/arch/x86/wakeup.S')
-rw-r--r--src/arch/x86/wakeup.S30
1 files changed, 14 insertions, 16 deletions
diff --git a/src/arch/x86/wakeup.S b/src/arch/x86/wakeup.S
index 2c0950e399..aad72c2d61 100644
--- a/src/arch/x86/wakeup.S
+++ b/src/arch/x86/wakeup.S
@@ -29,32 +29,30 @@
.globl __wakeup
__wakeup:
#ifdef __x86_64__
- .intel_syntax noprefix
- xor rax,rax
- mov ax, ss
- push rax
- mov rax, rsp
- add rax, 8
- push rax
+ xor %rax,%rax
+ mov %ss, %ax
+ push %rax
+ mov %rsp, %rax
+ add $8, %rax
+ push %rax
pushfq
- push 0x10
- lea rax,[rip+3]
- push rax
+ push $0x10
+ lea 3(%rip), %rax
+ push %rax
iretq
.code32
/* disable paging */
- mov eax, cr0
- btc eax, 31
- mov cr0, eax
+ mov %cr0, %eax
+ btc $31, %eax
+ mov %eax, %cr0
/* disable long mode */
- mov ecx, 0xC0000080
+ mov $0xC0000080, %ecx
rdmsr
- btc eax, 8
+ btc $8, %eax
wrmsr
- .att_syntax prefix
#endif
/* First prepare the jmp to the resume vector */
mov 0x4(%esp), %eax /* vector */