TermiNexus
8b0d24e0d5
按方案调整： - VKernel/project.vpj：linker 去掉 --oformat binary / --strip-all，output 改为 kernel.elf。 - build.py：用 objcopy -O binary --set-section-flags .bss=alloc,load,contents 由 kernel.elf 二次产出 kernel.bin，再拷到 disk/。同源产出 ⇒ 两者布局逐字节一致，日志里的 rip 可直接用 objdump / nm / readelf 落到函数名；原来那段依赖 phase2cmd.bat 的改写字样已整体删除。 - --set-section-flags .bss=...contents 把 .bss 一并写进裸镜像（ELF 里 .bss 默认 NOBITS）， 于是 bootloader 按“文件大小”预留即可覆盖 .bss（boot.c 里另有 256KB 余量，双保险）。 - linker.ld：移除此前对 lld 无效的 LONG(0) 写法，.bss 恢复为干净定义。 注意：需完整重编（不能只 --onlyrun）才会生成新的 kernel.elf / kernel.bin。
184 lines
7.6 KiB
Python
184 lines
7.6 KiB
Python
import shutil
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import os
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import sys
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import subprocess
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# 解析参数
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clean = '--noclean' not in sys.argv
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kernel_only = '--kernel-only' in sys.argv
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noapp = '--noapp' in sys.argv
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bootloader = '--bootloader' in sys.argv
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# --onlyrun：跳过全部编译/打包步骤，只用现有 disk.img 反复启动 QEMU 复现问题。
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# 典型用法：python build.py --onlyrun（连跑多次，观察偶发写坏是否复现并留下 [FATAL]）
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only_run = '--onlyrun' in sys.argv
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def BuildKernel():
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"""编译内核：链接器一次产出带符号 kernel.elf，再由 objcopy 二次处理成裸镜像 kernel.bin"""
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cmd = r'..\..\ViperC\output\viperc.exe --project ./VKernel/project.vpj --clear-cache --rebuild-includes'
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if clean:
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cmd += ' --clean'
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os.system(cmd)
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# project.vpj 的 linker 已改为直接产出 ELF（保留符号表，去掉 --oformat binary/--strip-all），
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# kernel.bin 由同一份 ELF 二次处理得到 —— 两者布局逐字节一致，日志里的 rip 可直接用
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# objdump / nm / readelf 落到函数名，不必再猜地址（此前自行 glob .obj 去链会得到不同布局）。
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# --set-section-flags .bss=alloc,load,contents：把 .bss 一并写进裸镜像（ELF 里 .bss 默认
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# NOBITS、不占文件空间），这样 bootloader 按“文件大小”预留就能覆盖 .bss。
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kernel_elf = "VKernel/__vpcbuild__/output/kernel.elf"
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kernel_bin = "VKernel/__vpcbuild__/output/kernel.bin"
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rc = os.system(f'llvm-objcopy.exe -O binary --set-section-flags .bss=alloc,load,contents "{kernel_elf}" "{kernel_bin}"')
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if rc != 0:
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print("[build] 警告: objcopy 生成 kernel.bin 失败")
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shutil.copy(kernel_bin, "./disk/sys/kernel/x86_64/kernel.bin")
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def BuildApps():
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"""编译库与应用，并拷贝到 disk/"""
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# --noapp 优先级高于 --kernel-only：只编译内核，不编译所有库和应用
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if noapp:
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print("[build] --noapp: 跳过所有库与应用编译，复用已有缓存文件")
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# 检查必要文件是否存在
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required_libs = [
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("Libs/SerialLogger/__vpcbuild__/output/slog.so", "./disk/libs/slog.so"),
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("Libs/VPUI64/__vpcbuild__/output/vpui64.so", "./disk/libs/vpui64.so"),
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]
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required_apps = [
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("Apps/HelloWorld/__vpcbuild__/output/helloworld.elf", "./disk/apps/hello.elf"),
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("Apps/Terminal/__vpcbuild__/output/terminal.elf", "./disk/apps/terminal.elf"),
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("Apps/Gargantua/__vpcbuild__/output/gargantua.elf", "./disk/apps/gargantua.elf"),
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("Apps/Scene3D/__vpcbuild__/output/scene3d.elf", "./disk/apps/scene3d.elf"),
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]
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os.makedirs("./disk/apps", exist_ok=True)
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os.makedirs("./disk/libs", exist_ok=True)
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for src, dst in required_libs + required_apps:
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if os.path.exists(src):
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shutil.copy(src, dst)
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else:
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print(f"[build] 警告: {src} 不存在，请先完整构建一次")
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elif kernel_only:
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# 仅 --kernel-only：只跳过应用，不跳过库（原有逻辑保留）
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print("[build] --kernel-only: 跳过其他应用和库的编译")
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if not os.path.exists("./disk/apps/hello.elf"):
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print("[build] 警告: hello.elf 不存在，请先不带 --kernel-only 完整构建一次")
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else:
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# 完整编译所有库+应用
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so_cmd = r'..\..\ViperC\output\viperc.exe --project Libs/SerialLogger/project.vpj --clear-cache'
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if clean:
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so_cmd += ' --clean'
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os.system(so_cmd)
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vpui_cmd = r'..\..\ViperC\output\viperc.exe --project Libs/VPUI64/project.vpj --clear-cache'
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if clean:
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vpui_cmd += ' --clean'
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os.system(vpui_cmd)
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app_cmd = r'..\..\ViperC\output\viperc.exe --project Apps/HelloWorld/project.vpj --clear-cache'
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if clean:
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app_cmd += ' --clean'
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os.system(app_cmd)
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os.makedirs("./disk/apps", exist_ok=True)
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shutil.copy("Apps/HelloWorld/__vpcbuild__/output/helloworld.elf", "./disk/apps/hello.elf")
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term_cmd = r'..\..\ViperC\output\viperc.exe --project Apps/Terminal/project.vpj --clear-cache'
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if clean:
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term_cmd += ' --clean'
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os.system(term_cmd)
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shutil.copy("Apps/Terminal/__vpcbuild__/output/terminal.elf", "./disk/apps/terminal.elf")
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garg_cmd = r'..\..\ViperC\output\viperc.exe --project Apps/Gargantua/project.vpj --clear-cache'
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if clean:
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garg_cmd += ' --clean'
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os.system(garg_cmd)
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shutil.copy("Apps/Gargantua/__vpcbuild__/output/gargantua.elf", "./disk/apps/gargantua.elf")
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scene3d_cmd = r'..\..\ViperC\output\viperc.exe --project Apps/Scene3D/project.vpj --clear-cache'
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if clean:
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scene3d_cmd += ' --clean'
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os.system(scene3d_cmd)
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shutil.copy("Apps/Scene3D/__vpcbuild__/output/scene3d.elf", "./disk/apps/scene3d.elf")
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os.makedirs("./disk/libs", exist_ok=True)
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so_path = os.path.abspath("Libs/SerialLogger/__vpcbuild__/output/slog.so")
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vpui_path = os.path.abspath("Libs/VPUI64/__vpcbuild__/output/vpui64.so")
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if os.path.exists(so_path):
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shutil.copy(so_path, "./disk/libs/slog.so")
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if os.path.exists(vpui_path):
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shutil.copy(vpui_path, "./disk/libs/vpui64.so")
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def BuildBootloader():
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"""编译 bootloader（GNU-EFI：MSYS make → WSL Ubuntu）；
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bootx64.efi 不由 viperc 产出，容易忘记重编而一直用旧引导器（改了 boot.c / 内核预留逻辑
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却仍在用旧件）。显式传 --bootloader 才重编；未传时若 boot.c 比产物新则给出提醒。"""
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boot_src = "boot/boot.c"
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boot_out = "disk/EFI/BOOT/bootx64.efi"
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if bootloader:
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print("[build] building bootloader (make -C boot)...")
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boot_rc = os.system('make -C boot')
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if boot_rc != 0:
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print("[build] 警告: bootloader 构建失败（需 MSYS make + WSL Ubuntu + _UNCADK/tools/gnu-efi）")
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elif os.path.exists(boot_src) and os.path.exists(boot_out) and os.path.getmtime(boot_src) > os.path.getmtime(boot_out):
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print("[build] 警告: boot/boot.c 比 disk/EFI/BOOT/bootx64.efi 新 → bootloader 已过期，请用 --bootloader 重编")
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def BuildDisk():
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"""把 disk/ 目录内容打包成 disk.img"""
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os.system('powershell -ExecutionPolicy Bypass -File ./Scripts/disk.ps1')
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def RunQemu():
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"""清空 serial.log 并启动 QEMU，退出后打印串口日志"""
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serial_log = os.path.abspath("serial.log")
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if os.path.exists(serial_log):
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os.remove(serial_log)
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print(f"[build] CWD: {os.getcwd()}")
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print(f"[build] serial_log: {serial_log}")
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qemu_cmd = [
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'qemu-system-x86_64',
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'-pflash', r'D:\msys64\mingw64\share\qemu\edk2-x86_64-code.fd',
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'-drive', 'file=disk.img,format=raw,if=ide',
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'-m', '256m',
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'-vga', 'std',
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'-usb',
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'-device', 'usb-kbd',
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'-device', 'usb-mouse',
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'-accel', 'tcg,tb-size=128',
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'-serial', f'file:{serial_log}',
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'-no-reboot'
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]
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print(f"[build] QEMU cmd: {' '.join(qemu_cmd)}")
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proc = subprocess.Popen(qemu_cmd)
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proc.wait()
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print(f"[build] serial_log path: {serial_log}")
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print(f"[build] file exists: {os.path.exists(serial_log)}")
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if os.path.exists(serial_log):
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with open(serial_log, "r", encoding="utf-8", errors="replace") as f:
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content = f.read()
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print(f"[build] serial_log size: {len(content)} bytes")
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print(content)
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else:
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print("[build] serial.log not found!")
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if only_run:
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print("[build] --onlyrun: 跳过编译/打包，直接用现有 disk.img 启动 QEMU")
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else:
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BuildKernel()
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BuildApps()
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BuildBootloader()
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BuildDisk()
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RunQemu()
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