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authorPatrick Rudolph <patrick.rudolph@9elements.com>2018-11-15 13:42:15 +0100
committerPatrick Rudolph <siro@das-labor.org>2020-08-19 10:50:49 +0000
commit57907fcebf12961a0dbd7300472a83711d251375 (patch)
tree45af61a09deadf196a63ce7778696a1cbf9f3f05 /src/cpu
parente3dd57e1061760d37a3b1e38fc9a9c1ff9fdba66 (diff)
downloadcoreboot-57907fcebf12961a0dbd7300472a83711d251375.tar.xz
mb/emulation/qemu-q35,qemu-i440fx: Add x86_64 support
* Enable optional x86_64 romstage, postcar and ramstage * Add Kconfig for x86_64 compilation * Add documentation for x86 qemu mainboards * Increase CAR stack as x86_64 uses more than 0x4000 bytes Working: * Boots to Linux * Boots to SeaBIOS * Drops to protected mode at end of ramstage * Enumerates PCI devices * Relocateable ramstage * SMM Change-Id: If2f02a95b2f91ab51043d4e81054354f4a6eb5d5 Signed-off-by: Patrick Rudolph <siro@das-labor.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/29667 Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/cpu')
-rw-r--r--src/cpu/qemu-x86/Kconfig25
1 files changed, 21 insertions, 4 deletions
diff --git a/src/cpu/qemu-x86/Kconfig b/src/cpu/qemu-x86/Kconfig
index 21ada02a5d..af0c746f10 100644
--- a/src/cpu/qemu-x86/Kconfig
+++ b/src/cpu/qemu-x86/Kconfig
@@ -2,12 +2,29 @@
config CPU_QEMU_X86
bool
- select ARCH_BOOTBLOCK_X86_32
- select ARCH_VERSTAGE_X86_32
- select ARCH_ROMSTAGE_X86_32
- select ARCH_RAMSTAGE_X86_32
select SMP
select UDELAY_TSC
select TSC_MONOTONIC_TIMER
select UNKNOWN_TSC_RATE
select SMM_ASEG
+
+if CPU_QEMU_X86
+
+config CPU_QEMU_X86_64
+ bool "Experimental 64bit support"
+ select ARCH_BOOTBLOCK_X86_64
+ select ARCH_VERSTAGE_X86_64
+ select ARCH_ROMSTAGE_X86_64
+ select ARCH_POSTCAR_X86_64
+ select ARCH_RAMSTAGE_X86_64
+
+config CPU_QEMU_X86_32
+ bool
+ default n if CPU_QEMU_X86_64
+ default y
+ select ARCH_BOOTBLOCK_X86_32
+ select ARCH_VERSTAGE_X86_32
+ select ARCH_ROMSTAGE_X86_32
+ select ARCH_POSTCAR_X86_32
+ select ARCH_RAMSTAGE_X86_32
+endif