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arch/x86/postcar: Add x86_64 support

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* 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>
This commit is contained in:
Patrick Rudolph
2018-12-26 15:12:32 +01:00
parent 228d0e5078
commit 8daa12f7e0
4 changed files with 65 additions and 10 deletions
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4
src/arch/x86/Makefile.inc
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@@ -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