Disable a few things which interfere with the EFI init. This allows QEMU to to boot into EFI, load a U-Boot payload then boot to the U-Boot prompt.
Signed-off-by: Simon Glass sjg@chromium.org Reviewed-by: Bin Meng bmeng.cn@gmail.com ---
Changes in v2: - Fix indenting in board/emulation/qemu-x86/Kconfig
arch/x86/cpu/qemu/Makefile | 5 ++++- arch/x86/cpu/qemu/qemu.c | 2 ++ board/emulation/qemu-x86/Kconfig | 5 +++-- 3 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/arch/x86/cpu/qemu/Makefile b/arch/x86/cpu/qemu/Makefile index be79723..9a66b16 100644 --- a/arch/x86/cpu/qemu/Makefile +++ b/arch/x86/cpu/qemu/Makefile @@ -4,5 +4,8 @@ # SPDX-License-Identifier: GPL-2.0+ #
-obj-y += car.o dram.o qemu.o +ifndef CONFIG_EFI_STUB +obj-y += car.o dram.o +endif +obj-y += qemu.o obj-$(CONFIG_PCI) += pci.o diff --git a/arch/x86/cpu/qemu/qemu.c b/arch/x86/cpu/qemu/qemu.c index 930d2b6..64634a9 100644 --- a/arch/x86/cpu/qemu/qemu.c +++ b/arch/x86/cpu/qemu/qemu.c @@ -25,11 +25,13 @@ int arch_cpu_init(void) return 0; }
+#ifndef CONFIG_EFI_STUB int print_cpuinfo(void) { post_code(POST_CPU_INFO); return default_print_cpuinfo(); } +#endif
void reset_cpu(ulong addr) { diff --git a/board/emulation/qemu-x86/Kconfig b/board/emulation/qemu-x86/Kconfig index e777ef4..c9181fc 100644 --- a/board/emulation/qemu-x86/Kconfig +++ b/board/emulation/qemu-x86/Kconfig @@ -13,11 +13,12 @@ config SYS_CONFIG_NAME default "qemu-x86"
config SYS_TEXT_BASE - default 0xfff00000 + default 0xfff00000 if !EFI_STUB + default 0x01110000 if EFI_STUB
config BOARD_SPECIFIC_OPTIONS # dummy def_bool y - select X86_RESET_VECTOR + select X86_RESET_VECTOR if !EFI_STUB select QEMU select BOARD_ROMSIZE_KB_1024