110 lines
3.0 KiB
Bash
110 lines
3.0 KiB
Bash
#!/usr/bin/env bash
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# Step 4: Relink qemu-system-xtensa as libqemu-xtensa.dll
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set -euo pipefail
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export PATH=/mingw64/bin:/usr/bin:$PATH
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BUILD="/e/Hardware/wokwi_clon/wokwi-libs/qemu-lcgamboa/build"
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OUT="/e/Hardware/wokwi_clon/backend/app/services"
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cd "$BUILD"
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echo "=== Extracting link command from build.ninja ==="
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python3 << 'PYEOF'
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import re, subprocess, sys, os
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with open('build.ninja') as f:
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content = f.read()
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# Find build block for qemu-system-xtensa.exe
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idx = content.find('build qemu-system-xtensa.exe:')
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if idx < 0:
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print('Target not found!'); sys.exit(1)
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block = content[idx:]
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end = block.find('\nbuild ', 1)
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if end > 0:
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block = block[:end]
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# Extract LINK_ARGS and LINK_PATH
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link_args = ''
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link_path = ''
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for line in block.split('\n'):
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line = line.strip()
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if line.startswith('LINK_ARGS ='):
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link_args = line.split('=', 1)[1].strip()
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elif line.startswith('LINK_PATH ='):
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link_path = line.split('=', 1)[1].strip()
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# Extract all input objects (everything after c_LINKER_RSP on line 1, excluding the | deps part)
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first_line = block.split('\n')[0]
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# Remove "build qemu-system-xtensa.exe: c_LINKER_RSP "
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objs_raw = first_line.split('c_LINKER_RSP ', 1)[1]
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# Remove pipe section (| implicit deps)
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if ' | ' in objs_raw:
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objs_raw = objs_raw.split(' | ')[0]
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objs = objs_raw.split()
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# Remove softmmu_main.c.obj (contains main())
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objs = [o for o in objs if 'softmmu_main' not in o]
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# Also add qemu-system-xtensa.exe.p objects (target-specific .obj files)
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# Find them in the .p directory
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p_dir = 'qemu-system-xtensa.exe.p'
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if os.path.isdir(p_dir):
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for f in os.listdir(p_dir):
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if f.endswith('.obj') and 'softmmu_main' not in f:
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path = f'{p_dir}/{f}'
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if path not in objs:
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objs.append(path)
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print(f'Objects count: {len(objs)}')
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print(f'LINK_ARGS: {link_args[:200]}')
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print(f'LINK_PATH: {link_path}')
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# Build the DLL link command
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cmd = (
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f'cc -m64 -mcx16 -shared -Wl,--export-all-symbols -Wl,--allow-multiple-definition '
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f'-o libqemu-xtensa.dll '
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f'{" ".join(objs)} '
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f'{link_path} '
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f'{link_args}'
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)
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print(f'\nLink command length: {len(cmd)}')
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# Write to a response file to avoid command line length issues
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with open('dll_link.rsp', 'w') as f:
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f.write(
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f'-shared -Wl,--export-all-symbols -Wl,--allow-multiple-definition '
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f'-o libqemu-xtensa.dll '
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f'{" ".join(objs)} '
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f'{link_path} '
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f'{link_args}'
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)
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print('Written to dll_link.rsp')
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PYEOF
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echo ""
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echo "=== Linking libqemu-xtensa.dll ==="
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cc -m64 -mcx16 @dll_link.rsp 2>&1
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echo "=== Link exit code: $? ==="
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if [ -f libqemu-xtensa.dll ]; then
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echo ""
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echo "=== SUCCESS: libqemu-xtensa.dll ==="
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ls -lh libqemu-xtensa.dll
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echo ""
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echo "=== Checking picsimlab exports ==="
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objdump -p libqemu-xtensa.dll 2>/dev/null | grep -iE "picsimlab|qemu_init|qemu_main" | head -20
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echo ""
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echo "=== Copying to backend/app/services ==="
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cp libqemu-xtensa.dll "$OUT/"
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echo "Copied!"
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else
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echo "FAILED - DLL not produced"
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exit 1
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fi
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