diff options
| -rw-r--r-- | x86_64/interrupt.S | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/x86_64/interrupt.S b/x86_64/interrupt.S index fccf6e28..73151b06 100644 --- a/x86_64/interrupt.S +++ b/x86_64/interrupt.S @@ -38,15 +38,15 @@ ENTRY(interrupt) pushq %rax /* save irq number */ call spl7 /* set ipl */ pushq %rax /* save previous ipl */ - movl 8(%esp),%edx /* set irq number as 3rd arg */ - movl %edx,%ebx /* copy irq number */ - shll $2,%ebx /* irq * 4 */ - movl EXT(iunit)(%ebx),%edi /* get device unit number as 1st arg */ movl %eax, %esi /* previous ipl as 2nd arg */ + movl 8(%esp),%edx /* set irq number as 3rd arg */ + movl %edx,%eax /* copy irq number */ + shll $2,%eax /* irq * 4 */ + movl EXT(iunit)(%eax),%edi /* get device unit number as 1st arg */ movq 16(%esp), %rcx /* return address as 4th arg */ movq 24(%esp), %r8 /* address of interrupted registers as 5th arg */ - shll $1,%ebx /* irq * 8 */ - call *EXT(ivect)(%ebx) /* call interrupt handler */ + shll $1,%eax /* irq * 8 */ + call *EXT(ivect)(%eax) /* call interrupt handler */ popq %rdi /* restore previous ipl */ call splx_cli /* restore previous ipl */ |