提交 d8bcc4f2 创建 作者: Silas Boyd-Wickizer's avatar Silas Boyd-Wickizer

Remove used file.

上级 ef3ccaee
.code64
.text
.globl inb
inb:
movq %rdi, %rdx
xorq %rax, %rax
inb %dx, %al
ret
.globl outb
outb:
movq %rdi, %rdx
movq %rsi, %rax
outb %al, %dx
ret
.globl hlt
hlt:
hlt
jmp hlt
.globl lidt
lidt:
# Create pseudo-descriptor on stack:
# 2 bytes length-1 followed by 8 bytes base address.
subq $16, %rsp
subq $1, %rsi
movw %si, 0(%rsp)
movq %rdi, 2(%rsp)
lidt 0(%rsp)
addq $16, %rsp
ret
.globl lgdt
lgdt:
# Create pseudo-descriptor on stack:
# 2 bytes length-1 followed by 8 bytes base address.
subq $16, %rsp
subq $1, %rsi
movw %si, 0(%rsp)
movq %rdi, 2(%rsp)
lgdt 0(%rsp)
addq $16, %rsp
ret
.globl ltr
ltr:
ltr %di
ret
// Delay for the given number of microseconds.
// Assume 20 atomic exchanges = 1 microsecond.
// Close enough for now.
.globl microdelay
microdelay:
movq %rdi, %rcx
imul $20, %rcx
pushq $0
1:
lock xchgq %rax, (%rsp)
loop 1b
popq %rax
ret
.globl readeflags
readeflags:
pushfq
popq %rax
ret
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