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Fix stack pointer handling in 16-bit relocator.

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* grub-core/lib/i386/relocator16.S (grub_relocator16_start): Move
grub_relocator16_sp to %esp rather than %ss, and zero-extend it.
Fixes Ubuntu bug #683904.
This commit is contained in:
Colin Watson committed 2011-04-21 00:07:22 +01:00
1 parent 9b710a888e
commit b13f79a427
2 files changed
+9 -1
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grub-core/lib/i386/relocator16.S
+1 -1
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@@ -130,7 +130,7 @@ VARIABLE(grub_relocator16_ss)
.byte 0xb8
VARIABLE(grub_relocator16_sp)
.word 0
movw %ax, %ss
movzwl %ax, %esp
/* movw imm32, %edx. */
.byte 0x66, 0xba