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authorMichael Brown <mcb30@ipxe.org>2013-03-08 13:23:58 +0000
committerMichael Brown <mcb30@ipxe.org>2013-03-08 17:41:51 +0000
commitc7694acb51be7a3676d1b30fd1b0ba34bce09f39 (patch)
tree3a84f0e23aa24b7ae712d5fd1aaddb1ba9c601f6 /src/arch
parentb33082a52b093ad91d2de55be5fe258630985562 (diff)
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[nbiprefix] Set up real-mode stack before jumping to .text16
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/arch')
-rw-r--r--src/arch/i386/prefix/nbiprefix.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/arch/i386/prefix/nbiprefix.S b/src/arch/i386/prefix/nbiprefix.S
index 20d224d..06e7df5 100644
--- a/src/arch/i386/prefix/nbiprefix.S
+++ b/src/arch/i386/prefix/nbiprefix.S
@@ -54,6 +54,10 @@ _nbi_start:
/* Install iPXE */
call install
+ /* Set up real-mode stack */
+ movw %bx, %ss
+ movw $_estack16, %sp
+
/* Jump to .text16 segment */
pushw %ax
pushw $1f