diff options
| author | Patrick Rudolph <patrick.rudolph@9elements.com> | 2018-11-15 13:42:15 +0100 |
|---|---|---|
| committer | Patrick Rudolph <siro@das-labor.org> | 2020-08-19 10:50:49 +0000 |
| commit | 57907fcebf12961a0dbd7300472a83711d251375 (patch) | |
| tree | 45af61a09deadf196a63ce7778696a1cbf9f3f05 /src/cpu | |
| parent | e3dd57e1061760d37a3b1e38fc9a9c1ff9fdba66 (diff) | |
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/Kconfig | 25 |
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 |