From 8daa12f7e0ceca9ebf4c5e91a590a896e7f4413c Mon Sep 17 00:00:00 2001
From: Patrick Rudolph <siro@das-labor.org>
Date: Wed, 26 Dec 2018 15:12:32 +0100
Subject: arch/x86/postcar: Add x86_64 support

* Add support for loading GDT on x86_64.
* Add x86_64 assembly code to do the same as the x86_32 code.
* Separate x86_32 and x86_64 code.

Tested on qemu x86_32 and x86_64 using additional MTRRs.
Tested on Lenovo T410 with additional x86_64 patches.

Change-Id: I1c190627f5f0ed6f82738cb99423892382899d7b
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/30500
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 src/arch/x86/Makefile.inc | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/arch/x86/Makefile.inc')

diff --git a/src/arch/x86/Makefile.inc b/src/arch/x86/Makefile.inc
index 17ab3dc9b9..5bba47f0b5 100644
--- a/src/arch/x86/Makefile.inc
+++ b/src/arch/x86/Makefile.inc
@@ -195,7 +195,11 @@ endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
 # postcar
 ###############################################################################
 
+ifeq ($(CONFIG_ARCH_POSTCAR_X86_32),y)
 $(eval $(call create_class_compiler,postcar,x86_32))
+else
+$(eval $(call create_class_compiler,postcar,x86_64))
+endif
 postcar-generic-ccopts += -D__POSTCAR__
 
 postcar-$(CONFIG_HAVE_ACPI_RESUME) += acpi_s3.c
-- 
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