23 lines
704 B
Bash
Executable File
23 lines
704 B
Bash
Executable File
#!/bin/bash
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set -xue
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# QEMU path
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QEMU=qemu-system-riscv32
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OBJCOPY=/usr/bin/llvm-objcopy
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# Path to clang and compiler flags
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CC=clang
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CFLAGS="-std=c11 -O2 -g3 -Wall -Wextra --target=riscv32-unknown-elf -fno-stack-protector -ffreestanding -nostdlib"
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$CC $CFLAGS -Wl,-Tuser.ld -Wl,-Map=shell.map -o shell.elf shell.c user.c common.c
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$OBJCOPY --set-section-flags .bss=alloc,contents -O binary shell.elf shell.bin
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$OBJCOPY -Ibinary -Oelf32-littleriscv shell.bin shell.bin.o
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# Build the kernel
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$CC $CFLAGS -Wl,-Tkernel.ld -Wl,-Map=kernel.map -o kernel.elf \
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kernel.c common.c shell.bin.o
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# Start QEMU
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$QEMU -machine virt -bios default -nographic -serial mon:stdio --no-reboot \
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-kernel kernel.elf
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