Switch to waf build system, first attempt
This commit is contained in:
Justin C. Miller
224
wscript
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224
wscript
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@@ -0,0 +1,224 @@
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top = '.'
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out = 'build'
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def options(opt):
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opt.load("nasm gcc g++")
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opt.add_option(
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'--arch',
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action='store',
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default='x86_64',
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help='Target architecture')
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opt.add_option('--kernel_filename',
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action='store',
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default='popcorn.elf',
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help='Kernel filename on disk')
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opt.add_option('--font',
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action='store',
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default='tamsyn8x16r.psf',
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help='Font for the console')
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def configure(ctx):
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import os
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import subprocess
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from os.path import join, exists
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ctx.find_program("ld", var="LINK_CC")
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ctx.env.LINK_CXX = ctx.env.LINK_CC
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ctx.load("nasm gcc g++")
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ctx.find_program("objcopy", var="objcopy")
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ctx.find_program("objdump", var="objdump")
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ctx.find_program("mcopy", var="mcopy")
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# Override the gcc/g++ tools setting these assuming LD is gcc/g++
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ctx.env.SHLIB_MARKER = '-Bdynamic'
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ctx.env.STLIB_MARKER = '-Bstatic'
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ctx.env.LINKFLAGS_cstlib = ['-Bstatic']
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version = subprocess.check_output("git describe --always", shell=True).strip()
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git_sha = subprocess.check_output("git rev-parse --short HEAD", shell=True).strip()
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major, minor, patch_dirty = version.split(".")
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dirty = 'dirty' in patch_dirty
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patch = patch_dirty.split('-')[0]
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ctx.env.POPCORN_ARCH = ctx.options.arch
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ctx.env.KERNEL_FILENAME = ctx.options.kernel_filename
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ctx.env.FONT_NAME = ctx.options.font
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ctx.env.EXTERNAL = join(ctx.path.abspath(), "external")
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baseflags = [
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'-nostdlib',
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'-ffreestanding',
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'-nodefaultlibs',
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'-fno-builtin',
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'-fomit-frame-pointer',
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'-mno-red-zone',
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]
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warnflags = ['-W{}'.format(opt) for opt in [
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'format=2',
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'init-self',
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'float-equal',
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'inline',
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'missing-format-attribute',
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'missing-include-dirs',
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'switch',
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'undef',
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'disabled-optimization',
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'pointer-arith',
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'no-attributes',
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'no-sign-compare',
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'no-multichar',
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'no-div-by-zero',
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'no-endif-labels',
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'no-pragmas',
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'no-format-extra-args',
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'no-unused-result',
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'no-deprecated-declarations',
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'no-unused-function',
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'error'
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]]
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ctx.env.append_value('DEFINES', [
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'GIT_VERSION="{}"'.format(version),
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'GIT_VERSION_WIDE=L"{}"'.format(version),
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"VERSION_MAJOR={}".format(major),
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"VERSION_MINOR={}".format(minor),
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"VERSION_PATCH={}".format(patch),
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"VERSION_GITSHA=0x{}{}".format({True:1}.get(dirty, 0), git_sha),
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])
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ctx.env.append_value('CFLAGS', baseflags)
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ctx.env.append_value('CFLAGS', warnflags)
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ctx.env.append_value('CFLAGS', ['-ggdb', '-std=c11'])
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ctx.env.append_value('CXXFLAGS', baseflags)
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ctx.env.append_value('CXXFLAGS', warnflags)
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ctx.env.append_value('CXXFLAGS', [
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'-ggdb',
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'-std=c++14',
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'-fno-exceptions',
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'-fno-rtti',
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])
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ctx.env.append_value('ASFLAGS', ['-felf64'])
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ctx.env.append_value('INCLUDES', [
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join(ctx.path.abspath(), "src", "include"),
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join(ctx.path.abspath(), "src", "modules"),
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])
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ctx.env.append_value('LINKFLAGS', [
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'-g',
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'-nostdlib',
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'-znocombreloc',
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'-Bsymbolic',
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'-nostartfiles',
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])
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ctx.env.ARCH_D = join(str(ctx.path), "src", "arch",
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ctx.env.POPCORN_ARCH)
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env = ctx.env
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ctx.setenv('boot', env=env)
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ctx.recurse(join("src", "boot"))
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ctx.setenv('kernel', env=env)
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ctx.env.append_value('CFLAGS', ['-mcmodel=large'])
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ctx.env.append_value('CXXFLAGS', ['-mcmodel=large'])
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mod_root = join("src", "modules")
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for module in os.listdir(mod_root):
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mod_path = join(mod_root, module)
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if exists(join(mod_path, "wscript")):
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ctx.env.append_value('MODULES', mod_path)
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ctx.recurse(mod_path)
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ctx.recurse(join("src", "kernel"))
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def build(bld):
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from os.path import join
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bld.env = bld.all_envs['boot']
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bld.recurse(join("src", "boot"))
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bld.env = bld.all_envs['kernel']
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for mod_path in bld.env.MODULES:
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bld.recurse(mod_path)
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bld.recurse(join("src", "kernel"))
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src = bld.path
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out = bld.root.make_node(bld.out_dir)
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kernel_name = bld.env.KERNEL_FILENAME
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boot = out.make_node(join("efi", "boot", "bootx64.efi"))
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kernel = out.make_node(kernel_name)
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font = out.make_node("screenfont.psf")
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bld(
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source = out.make_node(join("src", "boot", "boot.efi")),
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target = boot,
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rule = "mkdir -p $(dirname ${TGT}) && cp ${SRC} ${TGT}"
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)
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bld(
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source = out.make_node(join("src", "kernel", kernel_name)),
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target = kernel,
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rule = "mkdir -p $(dirname ${TGT}) && cp ${SRC} ${TGT}"
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)
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bld(
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source = src.make_node(join("assets", "fonts", bld.env.FONT_NAME)),
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target = font,
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rule = "mkdir -p $(dirname ${TGT}) && cp ${SRC} ${TGT}"
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)
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bld(
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source = src.make_node(join("assets", "floppy.img")),
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target = out.make_node("popcorn.img"),
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rule = "cp ${SRC} ${TGT}",
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)
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bld(
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source = src.make_node(join("assets", "ovmf", "x64", "OVMF.fd")),
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target = out.make_node("flash.img"),
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rule = "cp ${SRC} ${TGT}",
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)
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for node in (boot, kernel, font):
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bld.add_group()
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bld(source = node, rule = "${mcopy} -i popcorn.img ${SRC} ::${SRC}")
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def qemu(ctx):
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import subprocess
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subprocess.call("rm popcorn.log", shell=True)
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subprocess.call([
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'qemu-system-x86_64',
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'-drive', 'if=pflash,format=raw,file={}/flash.img'.format(out),
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'-drive', 'if=floppy,format=raw,file={}/popcorn.img'.format(out),
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'-smp', '1',
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'-m', '512',
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'-d', 'mmu,int,guest_errors',
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'-D', 'popcorn.log',
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'-cpu', 'Broadwell',
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'-no-reboot',
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'-nographic',
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])
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def listen(ctx):
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subprocess.call("nc -l -p 5555", shell=True)
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# vim: ft=python et
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