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authorSimon Glass <sjg@chromium.org>2017-01-16 14:04:15 (GMT)
committerBin Meng <bmeng.cn@gmail.com>2017-02-06 03:38:46 (GMT)
commitfa5fcb3bc60c3c188b91f704b7d0d6b3810c9047 (patch)
tree9dd3c13424ee132d4acd9c53543a66884a2f161f /arch/x86/cpu/call64.S
parentc2bf0dfaa3b313b941e52e565f6a2d20c02fe11a (diff)
downloadu-boot-fsl-qoriq-fa5fcb3bc60c3c188b91f704b7d0d6b3810c9047.tar.xz
x86: Support jumping from SPL to U-Boot
Add a rough function to handle jumping from 32-bit SPL to 64-bit U-Boot. This still needs work to clean it up. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/cpu/call64.S')
-rw-r--r--arch/x86/cpu/call64.S3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/cpu/call64.S b/arch/x86/cpu/call64.S
index 08dc473..970c461 100644
--- a/arch/x86/cpu/call64.S
+++ b/arch/x86/cpu/call64.S
@@ -81,6 +81,9 @@ lret_target:
jmp *%eax /* Jump to the 64-bit target */
.data
+ .align 16
+ .globl gdt64
+gdt64:
gdt:
.word gdt_end - gdt - 1
.long gdt /* Fixed up by code above */