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authorGrant Likely <grant.likely@secretlab.ca>2012-05-08 11:35:37 -0600
committerGrant Likely <grant.likely@secretlab.ca>2012-05-08 11:35:37 -0600
commit7b96c686223a5c902d6a59c7d178f3904f0ab757 (patch)
treefe328ed56ad3719de3cfebad72ef74e34f1ed92b /arch/x86/boot/tools/build.c
parentf141ed65f256ec036c7fba604da6b7c448096ef9 (diff)
parentd48b97b403d23f6df0b990cee652bdf9a52337a3 (diff)
downloadolio-linux-3.10-7b96c686223a5c902d6a59c7d178f3904f0ab757.tar.xz
olio-linux-3.10-7b96c686223a5c902d6a59c7d178f3904f0ab757.zip
Merge tag 'v3.4-rc6' into gpio/next
Linux 3.4-rc6
Diffstat (limited to 'arch/x86/boot/tools/build.c')
-rw-r--r--arch/x86/boot/tools/build.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/x86/boot/tools/build.c b/arch/x86/boot/tools/build.c
index ed549767a23..24443a33208 100644
--- a/arch/x86/boot/tools/build.c
+++ b/arch/x86/boot/tools/build.c
@@ -205,8 +205,13 @@ int main(int argc, char ** argv)
put_unaligned_le32(file_sz, &buf[pe_header + 0x50]);
#ifdef CONFIG_X86_32
- /* Address of entry point */
- put_unaligned_le32(i, &buf[pe_header + 0x28]);
+ /*
+ * Address of entry point.
+ *
+ * The EFI stub entry point is +16 bytes from the start of
+ * the .text section.
+ */
+ put_unaligned_le32(i + 16, &buf[pe_header + 0x28]);
/* .text size */
put_unaligned_le32(file_sz, &buf[pe_header + 0xb0]);
@@ -217,9 +222,11 @@ int main(int argc, char ** argv)
/*
* Address of entry point. startup_32 is at the beginning and
* the 64-bit entry point (startup_64) is always 512 bytes
- * after.
+ * after. The EFI stub entry point is 16 bytes after that, as
+ * the first instruction allows legacy loaders to jump over
+ * the EFI stub initialisation
*/
- put_unaligned_le32(i + 512, &buf[pe_header + 0x28]);
+ put_unaligned_le32(i + 528, &buf[pe_header + 0x28]);
/* .text size */
put_unaligned_le32(file_sz, &buf[pe_header + 0xc0]);