mirror of
https://github.com/RT-Thread/rt-thread.git
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101 lines
4.0 KiB
Python
101 lines
4.0 KiB
Python
"""
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Utils for CMake
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Author: https://github.com/klivelinux
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"""
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import os
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import sys
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import re
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import utils
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import rtconfig
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from utils import _make_path_relative
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def GenerateCFiles(env,project):
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info = utils.ProjectInfo(env)
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ARCH = ".thumb" if rtconfig.CPU in ['cortex-m0', 'cortex-m3', 'cortex-m4', 'cortex-m7','cortex-m23','cortex-m33','cortex-m85'] else ".arm"
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CFLAGS = rtconfig.CFLAGS.replace('\\', "/").replace('\"', "\\\"")
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LFLAGS = rtconfig.LFLAGS.replace('\\', "/").replace('\"', "\\\"")
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zig_file = open('build.zig', 'w')
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if zig_file:
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zig_file.write("const std = @import(\"std\");\n\n")
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zig_file.write("const target = std.zig.CrossTarget{\n")
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zig_file.write(" .cpu_arch = {},\n".format(ARCH))
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zig_file.write(" .cpu_model = .{{ .explicit = &std.Target.{}.cpu.{} }},\n".format(rtconfig.ARCH, rtconfig.CPU.replace('-', '_')))
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zig_file.write(" .os_tag = .freestanding,\n")
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zig_file.write(" .abi = .eabi,\n")
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zig_file.write("};\n\n")
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zig_file.write("const c_includes = [_][]const u8{\n")
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for i in info['CPPPATH']:
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# use relative path
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path = _make_path_relative(os.getcwd(), i)
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zig_file.write("\t\"{}\",\n".format(path.replace("\\", "/")))
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zig_file.write("};\n\n")
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zig_file.write("const c_sources = [_][]const u8{\n")
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for group in project:
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for f in group['src']:
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# use relative path
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path = _make_path_relative(os.getcwd(), os.path.normpath(f.rfile().abspath))
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zig_file.write("\t\"{}\",\n".format(path.replace("\\", "/")))
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zig_file.write("};\n\n")
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zig_file.write("const c_flags = [_][]const u8{\n")
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zig_file.write("\t\"-std=c99\",\n")
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zig_file.write("\t\"-ffunction-sections\",\n")
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zig_file.write("\t\"-fdata-sections\",\n")
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# conver CDefines to CFlags
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for i in info['CPPDEFINES']:
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zig_file.write("\t\"-D{}\",\n".format(i))
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# conver LocalCDefines to CFlags
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for group in project:
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if 'LOCAL_CPPDEFINES' in group and group['LOCAL_CPPDEFINES']:
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for i in group['LOCAL_CPPDEFINES']:
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zig_file.write("\t\"-D{}\",\n".format(i))
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zig_file.write("};\n\n")
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zig_file.write("pub fn build(b: *std.Build) void {\n")
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zig_file.write(" const optimize = .ReleaseSafe;\n\n")
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zig_file.write(" const elf = b.addExecutable(.{\n")
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zig_file.write(" .name = \"rtthread.elf\",\n")
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zig_file.write(" .target = b.resolveTargetQuery(target),\n")
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zig_file.write(" .optimize = optimize,\n")
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zig_file.write(" .strip = false,\n")
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zig_file.write(" });\n\n")
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zig_file.write(" elf.entry = .{ .symbol_name = \"Reset_Handler\" };\n\n")
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zig_file.write(" elf.addCSourceFiles(.{ .files = &c_sources, .flags = &c_flags });\n")
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zig_file.write(" for (c_includes) |include| {\n")
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zig_file.write(" elf.addIncludePath(b.path(include));\n")
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zig_file.write(" }\n\n")
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# find link script in rtconfig.LFLAGS
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LINK_SCRIPT = re.search(r'-T\s*(\S+)', LFLAGS)
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zig_file.write(" elf.setLinkerScript(b.path(\"{}\"));\n".format(LINK_SCRIPT.group(1)))
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zig_file.write(" const copy_elf = b.addInstallArtifact(elf, .{});\n")
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zig_file.write(" b.default_step.dependOn(©_elf.step);\n\n")
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zig_file.write(" const bin = b.addObjCopy(elf.getEmittedBin(), .{ .format = .bin });\n")
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zig_file.write(" bin.step.dependOn(&elf.step);\n")
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zig_file.write(" const copy_bin = b.addInstallBinFile(bin.getOutput(), \"rtthread.bin\");\n")
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zig_file.write(" b.default_step.dependOn(©_bin.step);\n")
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zig_file.write("}\n")
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zig_file.close()
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return
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def ZigBuildProject(env,project):
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print('Update setting files for build.zig...')
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GenerateCFiles(env,project)
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print('Done!')
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return
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