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[efi] Fix .efi and .efidrv linking

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The linker chooses to look for _start first and always picks
efidrvprefix.o to satisfy it (probably because it's earlier in the
archive) which causes a multiple definition error when the linker
later has to pick efiprefix.o for other symbols.

Fix by using EFI-specific TGT_LD_FLAGS with an explicit entry point.

Signed-off-by: Piotr Jaroszyński <p.jaroszynski@gmail.com>
Signed-off-by: Joshua Oreman <oremanj@rwcr.net>
Modified-by: Michael Brown <mcb30@ipxe.org>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Piotr Jaroszyński
2010-03-30 18:18:43 +02:00
committed by Michael Brown
parent 7c6d3752c9
commit c68839d4d6
5 changed files with 10 additions and 7 deletions
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4
src/arch/x86/prefix/efidrvprefix.c
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@@ -29,8 +29,8 @@ FILE_LICENCE ( GPL2_OR_LATER );
* @v systab System table
* @ret efirc EFI return status code
*/
EFI_STATUS EFIAPI _start ( EFI_HANDLE image_handle,
EFI_SYSTEM_TABLE *systab ) {
EFI_STATUS EFIAPI _efidrv_start ( EFI_HANDLE image_handle,
EFI_SYSTEM_TABLE *systab ) {
EFI_STATUS efirc;
/* Initialise EFI environment */