On Wed, Aug 5, 2015 at 2:33 AM, Simon Glass sjg@chromium.org wrote:
When running as an EFI application we must skip relocation. Add support for this in the x86 relocation code.
Signed-off-by: Simon Glass sjg@chromium.org
Changes in v3: None Changes in v2:
- Return early in copy_uboot_to_ram() and clear_bbs() when relocation disabled
arch/x86/lib/relocate.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/x86/lib/relocate.c b/arch/x86/lib/relocate.c index 1a62142..9e748d2 100644 --- a/arch/x86/lib/relocate.c +++ b/arch/x86/lib/relocate.c @@ -28,6 +28,8 @@ int copy_uboot_to_ram(void) { size_t len = (size_t)&__data_end - (size_t)&__text_start;
if (gd->flags & GD_FLG_SKIP_RELOC)return 0; memcpy((void *)gd->relocaddr, (void *)&__text_start, len); return 0;@@ -38,6 +40,8 @@ int clear_bss(void) ulong dst_addr = (ulong)&__bss_start + gd->reloc_off; size_t len = (size_t)&__bss_end - (size_t)&__bss_start;
if (gd->flags & GD_FLG_SKIP_RELOC)return 0; memset((void *)dst_addr, 0x00, len); return 0;@@ -58,6 +62,8 @@ int do_elf_reloc_fixups(void) /* The size of the region of u-boot that runs out of RAM. */ uintptr_t size = (uintptr_t)&__bss_end - (uintptr_t)&__text_start;
if (gd->flags & GD_FLG_SKIP_RELOC)return 0; if (re_src == re_end) panic("No relocation data");--
Reviewed-by: Bin Meng bmeng.cn@gmail.com