add simple sum example
This commit is contained in:
154
examples/arch/bochs.mk
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154
examples/arch/bochs.mk
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@ -0,0 +1,154 @@
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# C -> WASM
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WASI_ROOT := /opt/wasi-sdk
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WASI_CC := ${WASI_ROOT}/bin/clang
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WASI_CFLAGS := --target=wasm32 \
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--sysroot=${WASI_ROOT}/share/wasi-sysroot \
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-z stack-size=4096 \
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-nostdlib \
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-O0 -g -Wall \
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-Wl,--no-entry \
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-Wl,--initial-memory=65536 \
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-Wl,--export-all \
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-Wl,--export=__heap_base \
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-Wl,--export=__data_end
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# WASM -> Baremetal
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WAMR := /opt/wamr
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IWASM_LIB := /opt/wamr-libiwasm
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CC := gcc
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CFLAGS := -I. -include arch/${ARCH}/lib.c -O0 -g -m32 -fomit-frame-pointer
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LDFLAGS := -Wl,-T linker.ld $^ -Wl,--build-id=none -static -nostdlib -m32 \
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-Wl,-rpath,${IWASM_LIB} -L${IWASM_LIB} -liwasm
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INCL := -I${WAMR}/core/iwasm/include \
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-I${WAMR}/core/iwasm/common \
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-I${WAMR}/core/shared/platform/include \
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-I${WAMR}/core/shared/platform/linux \
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-I${WAMR}/core/shared/mem-alloc \
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-I${WAMR}/core/shared/utils \
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-I${WAMR}/core/shared/utils/uncommon
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WAMRC := /opt/wamr-wamrc/wamrc
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WAMRCFLAGS := --target=i386 --format=object
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XXD := busybox xxd
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WASM2C := wasm2c
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################################################################
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# C -> WASM
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${BUILD_DIR}/%/module.wasm: %.c
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mkdir -p $(shell dirname $@)
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${WASI_CC} ${WASI_CFLAGS} $< -o $@
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################################################################
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# WASM -> Native Object File
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# ${BUILD_DIR}/%/system.o: ${BUILD_DIR}/%/module.wasm
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# ${WAMRC} ${WAMRCFLAGS} -o ${BUILD_DIR}/$*/system.o ${BUILD_DIR}/$*/module.wasm
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#
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# ${BUILD_DIR}/startup.o: arch/bochs/startup.s
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# ${CC} $< ${CFLAGS} -c -ffunction-sections -o $@
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#
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# ${BUILD_DIR}/%/system.elf: ${BUILD_DIR}/%/system.o ${BUILD_DIR}/startup.o
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# ${CC} ${LDFLAGS} -o $@
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################################################################
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# WASM -> AOT -> Loaded by Runtime
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${BUILD_DIR}/%/module.aot: ${BUILD_DIR}/%/module.wasm
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${WAMRC} -o $@ $<
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${BUILD_DIR}/%/module_wasm.c: ${BUILD_DIR}/%/module.aot
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${XXD} -i $< > $@
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${BUILD_DIR}/%/system.o: ${BUILD_DIR}/%/module_wasm.c
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cp embed/host.c ${BUILD_DIR}/$*/module_host.c
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sed -i \
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-e "s/__WASM_ARRAY_FILE__/module_wasm.c/g" \
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-e "s/__WASM_ARRAY__/build_bochs_$*_module_aot/g" \
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-e "s/__WASM_ARRAY_LEN__/build_bochs_$*_module_aot_len/g" \
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${BUILD_DIR}/$*/module_host.c
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${CC} ${CFLAGS} ${INCL} -c -ffunction-sections ${BUILD_DIR}/$*/module_host.c -o $@
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${BUILD_DIR}/startup.o: arch/bochs/startup.s
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${CC} $< ${CFLAGS} -c -ffunction-sections -o $@
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${BUILD_DIR}/%/system.elf: ${BUILD_DIR}/%/system.o ${BUILD_DIR}/startup.o
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${CC} ${LDFLAGS} -o $@
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################################################################
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# Bochs
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${BUILD_DIR}/%/system.iso: ${BUILD_DIR}/%/system.elf
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rm -rf $(shell dirname $<)/grub
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mkdir -p $(shell dirname $<)/grub/boot/grub
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cp arch/bochs/grub.cfg $(shell dirname $<)/grub/boot/grub
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cp $< $(shell dirname $<)/grub/boot/system.elf
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grub-mkrescue -o $@ $(shell dirname $<)/grub
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BOCHS_RUNNER_ARGS = \
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-V arch/bochs/vgabios.bin \
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-b arch/bochs/BIOS-bochs-latest \
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${BUILD_DIR}/%/trace.pb: ${BUILD_DIR}/%/system.iso
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${BOCHS_RUNNER} ${BOCHS_RUNNER_ARGS} -1 \
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-f ${FAIL_TRACE} \
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-e $(shell dirname $<)/system.elf \
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-i $(shell dirname $<)/system.iso \
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-- \
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-Wf,--state-file=$(shell dirname $<)/state \
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-Wf,--trace-file=$(shell dirname $<)/trace.pb \
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-Wf,--start-symbol=start_trace \
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-Wf,--end-symbol=stop_trace \
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-Wf,--check-bounds
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client-%:
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${BOCHS_RUNNER} ${BOCHS_RUNNER_ARGS} \
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-f ${FAIL_INJECT} \
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-e ${BUILD_DIR}/$(subst client-,,$@)/system.elf \
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-i ${BUILD_DIR}/$(subst client-,,$@)/system.iso \
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-j $(shell getconf _NPROCESSORS_ONLN) \
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-- \
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-Wf,--state-dir=${BUILD_DIR}/$(subst client-,,$@)/state \
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-Wf,--trap \
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-Wf,--timeout=10 \
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-Wf,--ok-marker=ok_marker \
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-Wf,--fail-marker=fail_marker \
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-Wf,--catch-write-textsegment \
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-Wf,--catch-outerspace \
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2>/dev/null | grep -B 2 -A 8 'INJECT'
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inject-%:
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${BOCHS_RUNNER} ${BOCHS_RUNNER_ARGS} -1 \
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-f ${FAIL_INJECT} \
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-e ${BUILD_DIR}/$(subst inject-,,$@)/system.elf \
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-i ${BUILD_DIR}/$(subst inject-,,$@)/system.iso \
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-j 1 -- \
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-Wf,--state-dir=${BUILD_DIR}/$(subst inject-,,$@)/state \
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-Wf,--trap \
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-Wf,--timeout=10 \
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-Wf,--ok-marker=ok_marker \
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-Wf,--fail-marker=fail_marker \
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-Wf,--catch-write-textsegment \
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-Wf,--catch-outerspace
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# TODO: Command line interface changed
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import-arch-%: ${BUILD_DIR}/%/trace.pb ${HOME}/.my.cnf
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# ${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b mem -t $< -e $(shell dirname $<)/system.elf -i mem --memory-type ram
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# ${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b regs-trace -t $< -e $(shell dirname $<)/system.elf -i mem --memory-type register
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# ${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b regs -t $< -e $(shell dirname $<)/system.elf -i regs
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# ${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b ip -t $< -e $(shell dirname $<)/system.elf -i regs --no-gp --ip
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# ${FAIL_PRUNE} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b %% --overwrite
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${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b mem -t $< -e $(shell dirname $<)/system.elf -i MemoryImporter
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${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b regs-trace -t $< -e $(shell dirname $<)/system.elf -i MemoryImporter
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${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b regs -t $< -e $(shell dirname $<)/system.elf -i RegisterImporter
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${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b ip -t $< -e $(shell dirname $<)/system.elf -i RegisterImporter --no-gp --ip
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${FAIL_PRUNE} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b %% --overwrite
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define arch-make-targets
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build-$1: ${BUILD_DIR}/$1/system.iso
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trace-$1: ${BUILD_DIR}/$1/trace.pb
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endef
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BIN
examples/arch/bochs/BIOS-bochs-latest
Normal file
BIN
examples/arch/bochs/BIOS-bochs-latest
Normal file
Binary file not shown.
7
examples/arch/bochs/grub.cfg
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7
examples/arch/bochs/grub.cfg
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set timeout=0
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set default=0
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menuentry "CoRedOS" {
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multiboot /boot/system.elf
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boot
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}
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4
examples/arch/bochs/lib.c
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4
examples/arch/bochs/lib.c
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#pragma once
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#define ARCH_ASM_CLOBBER_ALL "eax", "ebx", "ecx", "edx", "esi", "edi", "ebp"
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59
examples/arch/bochs/startup.s
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59
examples/arch/bochs/startup.s
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## Bare bone boot.s from wiki.osdev.org
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# multiboot header
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.section .rodata.multiboot
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.align 4
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# magic number
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.long 0x1BADB002
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# flags: align, meminfo
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.long 0x3
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# checksum: -(magic+flags)
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.long -(0x1BADB002 + 0x3)
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# the initial kernel stack
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.section .kernel_stack
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.global os_stack
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.size os_stack, 4096
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#.Lstack_bottom:
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os_stack:
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.byte 0
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#.skip 16384 # 16 KiB
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.skip 4094 # 4 KiB
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.byte 0
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.Lstack_top:
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# The linker script specifies _start as the entry point to the kernel and the
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# bootloader will jump to this position once the kernel has been loaded. It
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# doesn't make sense to return from this function as the bootloader is gone.
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.section .text.startup
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.global _start
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.type _start, @function
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_start:
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# Welcome to kernel mode!
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# To set up a stack, we simply set the esp register to point to the top of
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# our stack (as it grows downwards).
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movl $.Lstack_top, %esp
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# We are now ready to actually execute C code. (see ./startup.cc)
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call os_main
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# In case the function returns, we'll want to put the computer into an
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# infinite loop. To do that, we use the clear interrupt ('cli') instruction
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# to disable interrupts, the halt instruction ('hlt') to stop the CPU until
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# the next interrupt arrives, and jumping to the halt instruction if it ever
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# continues execution, just to be safe. We will create a local label rather
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# than real symbol and jump to there endlessly.
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cli
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hlt
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.Lhang:
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jmp .Lhang
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# Set the size of the _start symbol to the current location '.' minus its start.
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# This is useful when debugging or when you implement call tracing.
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.size _start, . - _start
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BIN
examples/arch/bochs/vgabios.bin
Normal file
BIN
examples/arch/bochs/vgabios.bin
Normal file
Binary file not shown.
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