Add initial HOS EFI Loader sources

This commit is contained in:
Josh Holtrop 2022-03-13 23:16:37 -04:00
parent 1fc2dd34e5
commit 54451bcf5b
4 changed files with 44 additions and 6 deletions

3
.gitmodules vendored Normal file
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@ -0,0 +1,3 @@
[submodule "uefi-d"]
path = uefi-d
url = git://github.com/kubasz/uefi-d

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@ -3,9 +3,9 @@ path_prepend "x86_64-elf-gcc/bin"
configure do configure do
rscons "x86_64-elf-gcc.rb", "-b", "#{build_dir}/x86_64-elf-gcc" rscons "x86_64-elf-gcc.rb", "-b", "#{build_dir}/x86_64-elf-gcc"
check_program "ldc2" check_d_compiler "ldc2", use: "ldc2"
check_program "x86_64-w64-mingw32-gcc" check_c_compiler "x86_64-w64-mingw32-gcc", use: "x86_64-w64-mingw32-gcc"
check_program "x86_64-elf-gcc" check_c_compiler "x86_64-elf-gcc", use: "x86_64-elf-gcc"
check_c_compiler check_c_compiler
check_program "mformat", on_fail: "Install the mtools package" check_program "mformat", on_fail: "Install the mtools package"
check_cfg package: "freetype2", on_fail: "Install libfreetype-dev", use: "freetype" check_cfg package: "freetype2", on_fail: "Install libfreetype-dev", use: "freetype"
@ -45,6 +45,7 @@ end
# FontGen Environment # FontGen Environment
fontgen_env = env "fontgen", use: "freetype" do |env| fontgen_env = env "fontgen", use: "freetype" do |env|
env["LDCMD"].map! {|v| v == "-of" ? "-o" : v}
env.Program("^/fontgen", glob("src/fontgen/**/*.c")) env.Program("^/fontgen", glob("src/fontgen/**/*.c"))
end end
@ -69,7 +70,23 @@ end
# env.Image("^/hos.img", %w[^/hos.elf]) # env.Image("^/hos.img", %w[^/hos.elf])
#end #end
task "run", desc: "Run HOS in QEMU" do hel_env = env "hel", use: %w[ldc2 x86_64-w64-mingw32-gcc] do |env|
img = kernel_env.expand("^/hos.img") env.add_builder(Image)
sh %W[qemu-system-x86_64 -bios OVMF.fd -hda #{img}] env["sources"] = glob("src/hel/**/*.d")
env["sources"] += glob("uefi-d/source/**/*.d")
env["DC"] = "ldc2"
env["DFLAGS"] += %w[-mtriple=x86_64-unknown-windows-coff --betterC -release -O3]
env["D_IMPORT_PATH"] += %w[src uefi-d/source]
env["LD"] = "x86_64-w64-mingw32-gcc"
env["LDFLAGS"] += %w[-nostdlib -Wl,-dll -shared -Wl,--subsystem,10 -e efi_main]
env["LDCMD"] = %w[${LD} -o ${_TARGET} ${LDFLAGS} ${_SOURCES} ${LIBDIRPREFIX}${LIBPATH} ${LIBLINKPREFIX}${LIBS}]
env["OBJDUMP"] = "x86_64-w64-mingw32-objdump"
env.Program("^/BOOTX64.EFI", "${sources}")
env.Disassemble("^/BOOTX64.txt", "^/BOOTX64.EFI")
env.Image("^/hos.img", "^/BOOTX64.EFI")
end
task "run", desc: "Run HOS in QEMU" do
img = hel_env.expand("^/hos.img")
sh %W[qemu-system-x86_64 -bios OVMF.fd -drive file=#{img},format=raw]
end end

17
src/hel/hel.d Normal file
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import uefi;
extern (C) EFI_STATUS efi_main(EFI_HANDLE image_handle, EFI_SYSTEM_TABLE * st)
{
st.ConOut.ClearScreen(st.ConOut);
st.ConOut.OutputString(st.ConOut, cast(CHAR16 *)"HOS EFI loader\r\n"w);
st.ConOut.OutputString(st.ConOut, cast(CHAR16 *)"Press any key...\r\n"w);
st.ConIn.Reset(st.ConIn, FALSE);
EFI_INPUT_KEY key;
while (st.ConIn.ReadKeyStroke(st.ConIn, &key) == EFI_NOT_READY)
{
}
return EFI_SUCCESS;
}

1
uefi-d Submodule

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Subproject commit e70959ce8ad1b113b5f7aa2111ea4d88f6b6ea63