grub2/SOURCES/0134-Fix-boot-when-there-s-no-TPM.patch

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2019-08-01 01:02:52 +00:00
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg59@coreos.com>
Date: Wed, 23 Mar 2016 16:49:42 -0700
Subject: [PATCH] Fix boot when there's no TPM
If the firmware has TPM support but has no TPM, we're jumping to core.img
without popping the registers back onto the stack. Fix that.
(cherry picked from commit c2eee36ec08f8ed0cd25b8030276347680be4843)
---
grub-core/boot/i386/pc/boot.S | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/grub-core/boot/i386/pc/boot.S b/grub-core/boot/i386/pc/boot.S
index c1df86dec0b..acab37369ae 100644
--- a/grub-core/boot/i386/pc/boot.S
+++ b/grub-core/boot/i386/pc/boot.S
@@ -473,9 +473,9 @@ LOCAL(copy_buffer):
movl $0x8, %edx /* PCR 8 */
int $0x1A
- popa
-#endif
boot:
+ popa
+#endif
/* boot kernel */
jmp *(LOCAL(kernel_address))