diff options
Diffstat (limited to 'src/arch/i386/prefix/pxeprefix.S')
| -rw-r--r-- | src/arch/i386/prefix/pxeprefix.S | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/arch/i386/prefix/pxeprefix.S b/src/arch/i386/prefix/pxeprefix.S index b541e4bb..e728c482 100644 --- a/src/arch/i386/prefix/pxeprefix.S +++ b/src/arch/i386/prefix/pxeprefix.S @@ -718,6 +718,13 @@ run_gpxe: lret .section ".text16", "ax", @progbits 1: + /* Update the exit hook */ + movw %cs,pxe_exit_hook+2 + push %ax + mov $2f,%ax + mov %ax,pxe_exit_hook + pop %ax + /* Run main program */ pushl $main pushw %cs @@ -731,7 +738,10 @@ run_gpxe: movw %di, %ss movl %ebp, %esp - /* Check PXE stack magic */ + /* Jump to hook if applicable */ + ljmpw *pxe_exit_hook + +2: /* Check PXE stack magic */ popl %eax cmpl $STACK_MAGIC, %eax jne 1f |