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Fix ARM (32-bit) build

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Use -O, because -O2 causes Undefined OpCode in QEMU / UEFI Shell.

Remove -mno-red-zone which triggers -Wunused-command-line-argument.

Set architecture in PE file manually:
EFI uses IMAGE_FILE_MACHINE_ARMTHUMB_MIXED = 0x01C2,
while the default is IMAGE_FILE_MACHINE_ARMNT = 0x01C4.
This commit is contained in:
Lauri Kenttä
2023-11-24 21:29:01 +02:00
parent 7ccdcc4a77
commit 8dfa456a7b
1 changed files with 11 additions and 11 deletions
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22
Makefile
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@@ -1,8 +1,10 @@
CC = clang
CFLAGS = -target $(CLANG_TARGET) -ffreestanding -fshort-wchar -mno-red-zone
CFLAGS += -std=c17 -O2 -Wshadow -Wall -Wunused -Werror-implicit-function-declaration
CFLAGS = -target $(CLANG_TARGET) -ffreestanding -fshort-wchar
CFLAGS += -std=c17 -Wshadow -Wall -Wunused -Werror-implicit-function-declaration
CFLAGS += -I$(GNUEFI_INC) -I$(GNUEFI_INC)/$(GNUEFI_ARCH) -I$(GNUEFI_INC)/protocol
CFLAGS += $(ARCH_CFLAGS)
LDFLAGS = -target $(CLANG_TARGET) -nostdlib -Wl,-entry:efi_main -Wl,-subsystem:efi_application -fuse-ld=lld
ARCH_CFLAGS = -O2 -mno-red-zone
GNUEFI_INC = gnu-efi/inc
@@ -58,27 +60,25 @@ efi-signed/bootia32.efi: pki
efi/bootx64.efi: CLANG_TARGET = x86_64-pc-windows-msvc
efi/bootx64.efi: GNUEFI_ARCH = x86_64
efi/bootx64.efi: $(FILES_C)
@mkdir -p efi
$(CC) $(CFLAGS) $(LDFLAGS) $^ -o $@
efi/bootia32.efi: CLANG_TARGET = i386-pc-windows-msvc
efi/bootia32.efi: GNUEFI_ARCH = ia32
efi/bootia32.efi: $(FILES_C)
@mkdir -p build
$(CC) $(CFLAGS) $(LDFLAGS) $^ -o $@
efi/bootaa64.efi: CLANG_TARGET = aarch64-pc-windows-msvc
efi/bootaa64.efi: GNUEFI_ARCH = aa64
efi/bootaa64.efi: $(FILES_C)
@mkdir -p build
efi/boot%.efi: $(FILES_C)
@mkdir -p efi
$(CC) $(CFLAGS) $(LDFLAGS) $^ -o $@
efi/bootarm.efi: CLANG_TARGET = armv6-pc-windows-msvc
efi/bootarm.efi: GNUEFI_ARCH = arm
efi/bootarm.efi: ARCH_CFLAGS = -O # skip -O2 and -mno-red-zone
efi/bootarm.efi: $(FILES_C)
@mkdir -p build
@mkdir -p efi
$(CC) $(CFLAGS) $(LDFLAGS) $^ -o $@
@echo "Fix $@ architecture code (IMAGE_FILE_MACHINE_ARMTHUMB_MIXED = 0x01C2)"
echo -en "\xc2\x01" | dd of=$@ bs=1 seek=124 count=2 conv=notrunc status=none
clean:
rm -rf setup.exe efi efi-signed