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Merge pull request #324 from ncopa/alpine-gummiboot

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Use upstream gummiboot binary and build EFI with alpine
This commit is contained in:
Justin Cormack 2016-07-22 10:52:38 +01:00 committed by GitHub
commit dcb1a678cc
27 changed files with 7 additions and 4284 deletions
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1
alpine/Dockerfile
View File

@ -65,7 +65,6 @@ COPY packages/vsudd/vsudd /sbin/
COPY packages/vsudd/etc /etc/
COPY packages/mobyconfig/mobyconfig /usr/bin/
COPY packages/mobyplatform/mobyplatform /usr/bin/
COPY packages/gummiboot/gummiboot.tar.gz /usr/share/src/
COPY packages/oom/etc /etc/
COPY packages/9pmount-vsock/9pmount-vsock /sbin/
COPY packages/test/etc /etc/

13
alpine/Dockerfile.efi
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@ -1,19 +1,17 @@
# Create a EFI Bootable ISO
FROM ubuntu:15.10
FROM alpine:3.4
RUN apt-get update && apt-get -y upgrade && apt-get -y install \
binutils mtools dosfstools xorriso \
gdisk qemu
RUN apk add --no-cache binutils mtools xorriso gummiboot
RUN mkdir -p /tmp/efi
COPY initrd.img.gz /tmp/efi
COPY kernel/vmlinuz64 /tmp/efi
COPY packages/gummiboot/linuxx64.efi.stub /tmp/efi
# Create a EFI boot file with kernel and initrd. From:
# https://github.com/haraldh/mkrescue-uefi/blob/master/mkrescue-uefi.sh
RUN cd /tmp/efi && \
cp /usr/lib/gummiboot/linuxx64.efi.stub . && \
echo "earlyprintk=serial console=ttyS0 mobyplatform=windows" > cmdline.txt && \
objcopy \
--add-section .osrel=/etc/os-release --change-section-vma .osrel=0x20000 \
@ -27,7 +25,10 @@ RUN cd /tmp/efi && \
RUN cd /tmp/efi && \
mkdir -p iso && \
dd if=/dev/zero of=iso/efi.raw bs=1024 count=70000 && \
mkfs.vfat iso/efi.raw && \
mkfs.vfat iso/efi.raw
RUN cd /tmp/efi && \
echo "mtools_skip_check=1" >> /etc/mtools.conf && \
mmd -i iso/efi.raw ::/EFI && \
mmd -i iso/efi.raw ::/EFI/BOOT && \
mcopy -i iso/efi.raw mobylinux.efi ::/EFI/BOOT/BOOTX64.EFI && \

2
alpine/packages/Makefile
View File

@ -7,7 +7,6 @@ all:
$(MAKE) -C docker OS=Linux
$(MAKE) -C nc-vsock OS=linux
$(MAKE) -C vsudd OS=linux
$(MAKE) -C gummiboot OS=linux
$(MAKE) -C 9pmount-vsock OS=linux
$(MAKE) -C iptables OS=linux
@ -25,6 +24,5 @@ clean:
$(MAKE) -C hvtools clean
$(MAKE) -C nc-vsock clean
$(MAKE) -C vsudd clean
$(MAKE) -C gummiboot clean
$(MAKE) -C 9pmount-vsock clean
$(MAKE) -C iptables clean

2
alpine/packages/gummiboot/.gitignore vendored
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@ -1,2 +0,0 @@
/gummiboot.tar.gz
/linuxx64.efi.stub

16
alpine/packages/gummiboot/Dockerfile
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@ -1,16 +0,0 @@
FROM ubuntu:15.10
RUN apt-get update && \
apt-get -y upgrade && \
apt-get -y install build-essential automake pkg-config libtool gnu-efi
RUN mkdir -p /gummiboot
COPY gummiboot /gummiboot
RUN tar czvf /gummiboot.tar.gz gummiboot
WORKDIR /gummiboot
RUN ./autogen.sh && \
./configure && \
make linuxx64.efi.stub

11
alpine/packages/gummiboot/Makefile
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@ -1,11 +0,0 @@
all: linuxx64.efi.stub
linuxx64.efi.stub: Dockerfile gummiboot/*
docker build -t gummiboot:build .
docker run --rm gummiboot:build cat /gummiboot.tar.gz > gummiboot.tar.gz
docker run --rm gummiboot:build \
cat /gummiboot/linuxx64.efi.stub > linuxx64.efi.stub
clean:
rm -f linuxx64.efi.stub gummiboot.tar.gz
docker images -q gummiboot:build | xargs docker rmi -f || true

502
alpine/packages/gummiboot/gummiboot/LICENSE
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@ -1,502 +0,0 @@
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That's all there is to it!

203
alpine/packages/gummiboot/gummiboot/Makefile.am
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@ -1,203 +0,0 @@
#
# This file is part of gummiboot
#
# Copyright (C) 2013 Karel Zak <kzak@redhat.com>
#
# gummiboot is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# gummiboot is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with systemd; If not, see <http://www.gnu.org/licenses/>.
ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
AM_MAKEFLAGS = --no-print-directory
gummibootlibdir = $(prefix)/lib/gummiboot
AM_CPPFLAGS = -include config.h
AM_CFLAGS = \
-D_GNU_SOURCE \
-Wall \
-Wextra \
-Wmissing-prototypes \
-Wno-unused-parameter
AM_LDFLAGS =
EXTRA_DIST = autogen.sh README LICENSE
CLEANFILES =
# ------------------------------------------------------------------------------
if HAVE_BLKID
bin_PROGRAMS = gummiboot
gummiboot_SOURCES = \
src/setup/setup.c \
src/setup/efivars.c \
src/setup/efivars.h
gummiboot_CPPFLAGS = \
$(AM_CPPFLAGS) \
-DMACHINE_TYPE_NAME=\"$(MACHINE_TYPE_NAME)\" \
-DGUMMIBOOTLIBDIR=\"$(gummibootlibdir)\"
gummiboot_CFLAGS = \
$(AM_CFLAGS) \
$(BLKID_CFLAGS)
gummiboot_LDADD = \
$(BLKID_LIBS)
endif
if ENABLE_MANPAGES
%.8: %.xml
$(AM_V_GEN)$(XSLTPROC) -o $@ --nonet \
--stringparam man.output.quietly 1 \
--stringparam man.th.extra1.suppress 1 \
--stringparam man.authors.section.enabled 0 \
--stringparam man.copyright.section.enabled 0 \
http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl $<
dist_man_MANS = man/gummiboot.8
endif
EXTRA_DIST += man/gummiboot.xml
CLEANFILES += man/gummiboot.8
# ------------------------------------------------------------------------------
# EFI compilation -- this part of the build system uses custom make rules and
# bypasses regular automake to provide absolute control on compiler and linker
# flags.
efi_cppflags = \
$(EFI_CPPFLAGS) \
-I$(top_builddir) -include config.h \
-I$(EFI_INC_DIR)/efi \
-I$(EFI_INC_DIR)/efi/$(ARCH) \
-DMACHINE_TYPE_NAME=\"$(MACHINE_TYPE_NAME)\"
efi_cflags = \
$(EFI_CFLAGS) \
-Wall \
-Wextra \
-std=gnu90 \
-nostdinc \
-ggdb -O0 \
-fpic \
-fshort-wchar \
-nostdinc \
-ffreestanding \
-fno-strict-aliasing \
-fno-stack-protector \
-Wsign-compare \
-mno-sse \
-mno-mmx
if ARCH_X86_64
efi_cflags += \
-mno-red-zone \
-DEFI_FUNCTION_WRAPPER \
-DGNU_EFI_USE_MS_ABI
endif
efi_ldflags = \
$(EFI_LDFLAGS) \
-T $(EFI_LDS_DIR)/elf_$(ARCH)_efi.lds \
-shared \
-Bsymbolic \
-nostdlib \
-znocombreloc \
-L $(EFI_LIB_DIR) \
$(EFI_LDS_DIR)/crt0-efi-$(ARCH).o
# ------------------------------------------------------------------------------
gummiboot_headers = \
src/efi/util.h \
src/efi/console.h \
src/efi/graphics.h \
src/efi/pefile.h
gummiboot_sources = \
src/efi/util.c \
src/efi/console.c \
src/efi/graphics.c \
src/efi/pefile.c \
src/efi/gummiboot.c
gummiboot_objects = $(addprefix $(top_builddir)/,$(gummiboot_sources:.c=.o))
gummiboot_solib = $(top_builddir)/src/efi/gummiboot.so
gummiboot = gummiboot$(MACHINE_TYPE_NAME).efi
gummibootlib_DATA = $(gummiboot)
CLEANFILES += $(gummiboot_objects) $(gummiboot_solib) $(gummiboot)
EXTRA_DIST += $(gummiboot_sources) $(gummiboot_headers)
$(top_builddir)/src/efi/%.o: $(top_srcdir)/src/efi/%.c $(addprefix $(top_srcdir)/,$(gummiboot_headers))
@$(MKDIR_P) $(top_builddir)/src/efi/
$(AM_V_CC)$(EFI_CC) $(efi_cppflags) $(efi_cflags) -c $< -o $@
$(gummiboot_solib): $(gummiboot_objects)
$(AM_V_CCLD)$(LD) $(efi_ldflags) $(gummiboot_objects) \
-o $@ -lefi -lgnuefi $(shell $(CC) -print-libgcc-file-name); \
nm -D -u $@ | grep ' U ' && exit 1 || :
.DELETE_ON_ERROR: $(gummboot_solib)
$(gummiboot): $(gummiboot_solib)
$(AM_V_GEN) objcopy -j .text -j .sdata -j .data -j .dynamic \
-j .dynsym -j .rel -j .rela -j .reloc \
--target=efi-app-$(ARCH) $< $@
# ------------------------------------------------------------------------------
stub_headers = \
src/efi/util.h \
src/efi/pefile.h \
src/efi/linux.h
stub_sources = \
src/efi/util.c \
src/efi/pefile.c \
src/efi/linux.c \
src/efi/stub.c
stub_objects = $(addprefix $(top_builddir)/,$(stub_sources:.c=.o))
stub_solib = $(top_builddir)/src/efi/stub.so
stub = linux$(MACHINE_TYPE_NAME).efi.stub
gummibootlib_DATA += $(stub)
CLEANFILES += $(stub_objects) $(stub_solib) $(stub)
EXTRA_DIST += $(stub_sources) $(stub_headers)
$(top_builddir)/src/efi/%.o: $(top_srcdir)/src/efi/%.c $(addprefix $(top_srcdir)/,$(stub_headers))
@$(MKDIR_P) $(top_builddir)/src/efi/
$(AM_V_CC)$(EFI_CC) $(efi_cppflags) $(efi_cflags) -c $< -o $@
$(stub_solib): $(stub_objects)
$(AM_V_CCLD)$(LD) $(efi_ldflags) $(stub_objects) \
-o $@ -lefi -lgnuefi $(shell $(CC) -print-libgcc-file-name); \
nm -D -u $@ | grep ' U ' && exit 1 || :
.DELETE_ON_ERROR: $(gummboot_solib)
$(stub): $(stub_solib)
$(AM_V_GEN) objcopy -j .text -j .sdata -j .data -j .dynamic \
-j .dynsym -j .rel -j .rela -j .reloc \
--target=efi-app-$(ARCH) $< $@
# ------------------------------------------------------------------------------
CLEANFILES += test-disk.img
EXTRA_DIST += test/test-create-disk.sh
test-disk.img: gummiboot$(MACHINE_TYPE_NAME).efi test/test-create-disk.sh
$(AM_V_GEN)test/test-create-disk.sh
qemu: test-disk.img
$(QEMU) -machine accel=kvm -m 1024 -bios $(QEMU_BIOS) -snapshot test-disk.img
install-tree: all
rm -rf $(abs_srcdir)/install-tree
$(MAKE) install DESTDIR=$(abs_srcdir)/install-tree
tree $(abs_srcdir)/install-tree

26
alpine/packages/gummiboot/gummiboot/README
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@ -1,26 +0,0 @@
gummiboot Simple UEFI boot manager
gummiboot executes EFI images. The default entry is selected by a configured
pattern (glob) or an on-screen menu.
gummiboot operates on the EFI System Partition (ESP) only. Configuration
file fragments, kernels, initrds, other EFI images need to reside on the
ESP. Linux kernels must be built with CONFIG_EFI_STUB to be able to be
directly executed as an EFI image.
gummiboot reads simple and entirely generic configurion files; one file
per boot entry to select from.
Pressing Space (or most other) keys during bootup will show an on-screen
menu with all configured entries to select from. Pressing enter on the
selected entry loads and starts the EFI image.
If no timeout is configured and no key pressed during bootup, the default
entry is booted right away.
Further documentation is available in the gummiboot wiki at:
http://freedesktop.org/wiki/Software/gummiboot
Links:
http://www.freedesktop.org/wiki/Specifications/BootLoaderSpec
http://www.freedesktop.org/software/systemd/man/kernel-install.html

0
alpine/packages/gummiboot/gummiboot/TODO
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36
alpine/packages/gummiboot/gummiboot/autogen.sh
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@ -1,36 +0,0 @@
#!/bin/sh
# This file is part of gummiboot.
#
# gummiboot is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# gummiboot is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with systemd; If not, see <http://www.gnu.org/licenses/>.
set -e
autoreconf --force --install --symlink
args="\
--prefix=/usr"
if [ "x$1" = "xc" ]; then
./configure $args
make clean
else
echo
echo "----------------------------------------------------------------"
echo "Initialized build system. For a common configuration please run:"
echo "----------------------------------------------------------------"
echo
echo "./configure $args"
echo
fi

155
alpine/packages/gummiboot/gummiboot/configure.ac
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@ -1,155 +0,0 @@
#
# This file is part of gummiboot.
#
# Copyright (C) 2013 Karel Zak <kzak@redhat.com>
#
# gummiboot is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# gummiboot is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with systemd; If not, see <http://www.gnu.org/licenses/>.
AC_INIT([gummiboot],
[48],
[systemd-devel@lists.freedesktop.org],
[gummiboot],
[http://freedesktop.org/wiki/Software/gummiboot])
AC_CONFIG_SRCDIR([src/setup/setup.c])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_AUX_DIR([build-aux])
AC_PREFIX_DEFAULT([/usr])
AM_INIT_AUTOMAKE([foreign 1.11 -Wall -Wno-portability silent-rules tar-pax no-dist-gzip dist-xz subdir-objects])
AM_SILENT_RULES([yes])
AC_CANONICAL_HOST
AC_SYS_LARGEFILE
AC_PROG_CC
dnl Don't try to use things like -std=c99 for efi compilation
EFI_CC=$CC
AC_SUBST([EFI_CC])
AC_PROG_CC_C99
AM_PROG_CC_C_O
AC_PROG_GCC_TRADITIONAL
AC_PROG_MKDIR_P
AC_PATH_PROG([XSLTPROC], [xsltproc])
dnl Define ARCH_<NAME> conditionals
SET_ARCH(IA32, i*86*)
SET_ARCH(X86_64, x86_64*)
SET_ARCH(IA64, ia64*)
ARCH=`echo $host | sed "s/\(-\).*$//"`
AM_COND_IF(ARCH_IA32, [
ARCH=ia32
MACHINE_TYPE_NAME=ia32])
AM_COND_IF(ARCH_X86_64, [
MACHINE_TYPE_NAME=x64])
AC_SUBST([ARCH])
AC_SUBST([MACHINE_TYPE_NAME])
# QEMU and OVMF UEFI firmware
AS_IF([test x"$cross_compiling" = "xyes"], [], [
AC_PATH_PROG([QEMU], [qemu-system-x86_64])
AC_CHECK_FILE([/usr/share/qemu/bios-ovmf.bin], [QEMU_BIOS=/usr/share/qemu/bios-ovmf.bin])
AC_CHECK_FILE([/usr/share/qemu-ovmf/bios.bin], [QEMU_BIOS=/usr/share/qemu-ovmf/bios.bin])
AC_SUBST([QEMU_BIOS])
])
# ------------------------------------------------------------------------------
dnl GNU EFI doesn't use relative paths: efi.h includes efibind.h which is in
dnl ${ARCH} relative to efi.h. I can't find a way to get AC_CHECK_HEADERS to
dnl add -I/usr/include/efi/${ARCH} to the conftest.c build. So, just test for
dnl efibind.h as the chances of efi.h not existing if it does are very low.
AC_CHECK_HEADER(efi/${ARCH}/efibind.h, [],
[AC_MSG_ERROR([*** GNU EFI header efibind.h not found])])
efiroot=$(echo $(cd /usr/lib/$(gcc -print-multi-os-directory); pwd))
EFI_LIB_DIR="$efiroot"
AC_ARG_WITH(efi-libdir,
AS_HELP_STRING([--with-efi-libdir=PATH], [Path to efi lib directory]),
[EFI_LIB_DIR="$withval"], [EFI_LIB_DIR="$efiroot"]
)
AC_SUBST([EFI_LIB_DIR])
dnl extra objects and linker scripts
AC_ARG_WITH(efi-ldsdir,
AS_HELP_STRING([--with-efi-ldsdir=PATH], [Path to efi lds directory]),
[EFI_LDS_DIR="$withval"],
[
for EFI_LDS_DIR in "${efiroot}/gnuefi" "${efiroot}"; do
for lds in ${EFI_LDS_DIR}/elf_${ARCH}_efi.lds; do
test -f ${lds} && break 2
done
done
]
)
AC_SUBST([EFI_LDS_DIR])
AC_ARG_WITH(efi-includedir,
AS_HELP_STRING([--with-efi-includedir=PATH], [Path to efi include directory]),
[EFI_INC_DIR="$withval"], [EFI_INC_DIR="/usr/include"]
)
AC_SUBST([EFI_INC_DIR])
# ------------------------------------------------------------------------------
AC_ARG_ENABLE(blkid, AS_HELP_STRING([--disable-blkid], [disable blkid support]))
if test "x$enable_blkid" != "xno"; then
PKG_CHECK_MODULES(BLKID, [ blkid >= 2.20 ],
[AC_DEFINE(HAVE_BLKID, 1, [Define if blkid is available]) have_blkid=yes], have_blkid=no)
if test "x$have_blkid" = xno -a "x$enable_blkid" = xyes; then
AC_MSG_ERROR([*** blkid support requested but libraries not found])
fi
fi
AM_CONDITIONAL(HAVE_BLKID, [test "$have_blkid" = "yes"])
# ------------------------------------------------------------------------------
have_manpages=no
AC_ARG_ENABLE(manpages, AS_HELP_STRING([--disable-manpages], [disable manpages]))
AS_IF([test "x$enable_manpages" != xno], [
AS_IF([test "x$enable_manpages" = xyes -a "x$XSLTPROC" = x], [
AC_MSG_ERROR([*** Manpages requested but xsltproc not found])
])
AS_IF([test "x$XSLTPROC" != x], [have_manpages=yes])
])
AM_CONDITIONAL(ENABLE_MANPAGES, [test "x$have_manpages" = "xyes"])
# ------------------------------------------------------------------------------
AC_CONFIG_FILES([
Makefile
])
AC_OUTPUT
AC_MSG_RESULT([
$PACKAGE_NAME $VERSION
prefix: ${prefix}
arch: $ARCH
EFI machine type: $MACHINE_TYPE_NAME
EFI libdir: ${EFI_LIB_DIR}
EFI ldsdir: ${EFI_LDS_DIR}
EFI includedir: ${EFI_INC_DIR}
blkid: ${have_blkid}
man pages: ${have_manpages}
QEMU: ${QEMU}
QEMU OVMF: ${QEMU_BIOS}
])

13
alpine/packages/gummiboot/gummiboot/m4/arch.m4
View File

@ -1,13 +0,0 @@
dnl SET_ARCH(ARCHNAME, PATTERN)
dnl
dnl Define ARCH_<archname> condition if the pattern match with the current
dnl architecture
dnl
AC_DEFUN([SET_ARCH], [
cpu_$1=false
case "$host" in
$2) cpu_$1=true ;;
esac
AM_CONDITIONAL(AS_TR_CPP(ARCH_$1), [test "x$cpu_$1" = xtrue])
])

137
alpine/packages/gummiboot/gummiboot/man/gummiboot.xml
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@ -1,137 +0,0 @@
<?xml version='1.0'?> <!--*-nxml-*-->
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
<!--
Copyright 2013 Kay Sievers
gummiboot is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
-->
<refentry id="gummiboot">
<refentryinfo>
<title>gummiboot</title>
<productname>gummiboot</productname>
<authorgroup>
<author>
<contrib>Developer</contrib>
<firstname>Kay</firstname>
<surname>Sievers</surname>
<email>kay@vrfy.org</email>
</author>
</authorgroup>
</refentryinfo>
<refmeta>
<refentrytitle>gummiboot</refentrytitle>
<manvolnum>8</manvolnum>
</refmeta>
<refnamediv>
<refname>gummiboot</refname>
<refpurpose>Setup and manage Gummiboot Boot Manager</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>gummiboot <arg choice="opt" rep="repeat">OPTIONS</arg>status</command>
</cmdsynopsis>
<cmdsynopsis>
<command>gummiboot <arg choice="opt" rep="repeat">OPTIONS</arg>update</command>
</cmdsynopsis>
<cmdsynopsis>
<command>gummiboot <arg choice="opt" rep="repeat">OPTIONS</arg>install</command>
</cmdsynopsis>
<cmdsynopsis>
<command>gummiboot <arg choice="opt" rep="repeat">OPTIONS</arg>remove</command>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para><command>gummiboot</command> checks, updates,
installs or removes the boot loader from the current
system.</para>
<para><command>gummiboot status</command> checks and prints the
currently installed versions of the boot loader binaries and the
all current EFI boot variables.</para>
<para><command>gummiboot update</command> updates all installed
versions of gummiboot, if the current version is newer than the
version installed in the EFI system partition. This also includes
the EFI default/fallback loader at /EFI/Boot/boot*.efi. An
gummiboot entry in the EFI boot variables is created, if there
is no current entry. A created entry will be added to the end of
the boot order list.</para>
<para><command>gummiboot install</command> installs gummiboot into
the EFI system partition. A copy of gummiboot will be stored as
the EFI default/fallback loader at /EFI/Boot/boot*.efi. An gummiboot
entry in the EFI boot variables is created and added to the top
of the boot order list.</para>
<para><command>gummiboot remove</command> removes all installed
versions of gummiboot from the EFI system partition, and removes
gummiboot from the EFI boot variables.</para>
<para>If no command is passed <command>status</command> is
implied.</para>
</refsect1>
<refsect1>
<title>Options</title>
<para>The following options are understood:</para>
<variablelist>
<varlistentry>
<term><option>-h</option></term>
<term><option>--help</option></term>
<listitem><para>Prints a short help
text and exits.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--path</option></term>
<listitem><para>Path to the EFI system
partition. The default is /boot.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--no-variables</option></term>
<listitem><para>Do not touch the EFI boot
variables.</para></listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Exit status</title>
<para>On success 0 is returned, a non-zero failure
code otherwise.</para>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
<ulink url="http://freedesktop.org/wiki/Software/gummiboot">Gummiboot wiki</ulink>
<ulink url="http://www.freedesktop.org/wiki/Specifications/BootLoaderSpec">Boot loader specification</ulink>
<ulink url="http://www.freedesktop.org/wiki/Software/systemd/BootLoaderInterface">Systemd boot loader interface</ulink>
<citerefentry><refentrytitle>bootctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
</para>
</refsect1>
</refentry>

141
alpine/packages/gummiboot/gummiboot/src/efi/console.c
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@ -1,141 +0,0 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Copyright (C) 2012-2013 Kay Sievers <kay@vrfy.org>
* Copyright (C) 2012 Harald Hoyer <harald@redhat.com>
*/
#include <efi.h>
#include <efilib.h>
#include "util.h"
#include "console.h"
#define EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID \
{ 0xdd9e7534, 0x7762, 0x4698, { 0x8c, 0x14, 0xf5, 0x85, 0x17, 0xa6, 0x25, 0xaa } }
struct _EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL;
typedef EFI_STATUS (EFIAPI *EFI_INPUT_RESET_EX)(
struct _EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This;
BOOLEAN ExtendedVerification;
);
typedef UINT8 EFI_KEY_TOGGLE_STATE;
typedef struct {
UINT32 KeyShiftState;
EFI_KEY_TOGGLE_STATE KeyToggleState;
} EFI_KEY_STATE;
typedef struct {
EFI_INPUT_KEY Key;
EFI_KEY_STATE KeyState;
} EFI_KEY_DATA;
typedef EFI_STATUS (EFIAPI *EFI_INPUT_READ_KEY_EX)(
struct _EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This;
EFI_KEY_DATA *KeyData;
);
typedef EFI_STATUS (EFIAPI *EFI_SET_STATE)(
struct _EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This;
EFI_KEY_TOGGLE_STATE *KeyToggleState;
);
typedef EFI_STATUS (EFIAPI *EFI_KEY_NOTIFY_FUNCTION)(
EFI_KEY_DATA *KeyData;
);
typedef EFI_STATUS (EFIAPI *EFI_REGISTER_KEYSTROKE_NOTIFY)(
struct _EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This;
EFI_KEY_DATA KeyData;
EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction;
VOID **NotifyHandle;
);
typedef EFI_STATUS (EFIAPI *EFI_UNREGISTER_KEYSTROKE_NOTIFY)(
struct _EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This;
VOID *NotificationHandle;
);
typedef struct _EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL {
EFI_INPUT_RESET_EX Reset;
EFI_INPUT_READ_KEY_EX ReadKeyStrokeEx;
EFI_EVENT WaitForKeyEx;
EFI_SET_STATE SetState;
EFI_REGISTER_KEYSTROKE_NOTIFY RegisterKeyNotify;
EFI_UNREGISTER_KEYSTROKE_NOTIFY UnregisterKeyNotify;
} EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL;
EFI_STATUS console_key_read(UINT64 *key, BOOLEAN wait) {
EFI_GUID EfiSimpleTextInputExProtocolGuid = EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID;
static EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *TextInputEx;
static BOOLEAN checked;
UINTN index;
EFI_INPUT_KEY k;
EFI_STATUS err;
if (!checked) {
err = LibLocateProtocol(&EfiSimpleTextInputExProtocolGuid, (VOID **)&TextInputEx);
if (EFI_ERROR(err))
TextInputEx = NULL;
checked = TRUE;
}
/* wait until key is pressed */
if (wait) {
if (TextInputEx)
uefi_call_wrapper(BS->WaitForEvent, 3, 1, &TextInputEx->WaitForKeyEx, &index);
else
uefi_call_wrapper(BS->WaitForEvent, 3, 1, &ST->ConIn->WaitForKey, &index);
}
if (TextInputEx) {
EFI_KEY_DATA keydata;
UINT64 keypress;
err = uefi_call_wrapper(TextInputEx->ReadKeyStrokeEx, 2, TextInputEx, &keydata);
if (!EFI_ERROR(err)) {
UINT32 shift = 0;
/* do not distinguish between left and right keys */
if (keydata.KeyState.KeyShiftState & EFI_SHIFT_STATE_VALID) {
if (keydata.KeyState.KeyShiftState & (EFI_RIGHT_CONTROL_PRESSED|EFI_LEFT_CONTROL_PRESSED))
shift |= EFI_CONTROL_PRESSED;
if (keydata.KeyState.KeyShiftState & (EFI_RIGHT_ALT_PRESSED|EFI_LEFT_ALT_PRESSED))
shift |= EFI_ALT_PRESSED;
};
/* 32 bit modifier keys + 16 bit scan code + 16 bit unicode */
keypress = KEYPRESS(shift, keydata.Key.ScanCode, keydata.Key.UnicodeChar);
if (keypress > 0) {
*key = keypress;
return 0;
}
}
}
/* fallback for firmware which does not support SimpleTextInputExProtocol
*
* This is also called in case ReadKeyStrokeEx did not return a key, because
* some broken firmwares offer SimpleTextInputExProtocol, but never acually
* handle any key. */
err = uefi_call_wrapper(ST->ConIn->ReadKeyStroke, 2, ST->ConIn, &k);
if (EFI_ERROR(err))
return err;
*key = KEYPRESS(0, k.ScanCode, k.UnicodeChar);
return 0;
}

34
alpine/packages/gummiboot/gummiboot/src/efi/console.h
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@ -1,34 +0,0 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Copyright (C) 2012-2013 Kay Sievers <kay@vrfy.org>
* Copyright (C) 2012 Harald Hoyer <harald@redhat.com>
*/
#ifndef __GUMMIBOOT_CONSOLE_H
#define __GUMMIBOOT_CONSOLE_H
#define EFI_SHIFT_STATE_VALID 0x80000000
#define EFI_RIGHT_CONTROL_PRESSED 0x00000004
#define EFI_LEFT_CONTROL_PRESSED 0x00000008
#define EFI_RIGHT_ALT_PRESSED 0x00000010
#define EFI_LEFT_ALT_PRESSED 0x00000020
#define EFI_CONTROL_PRESSED (EFI_RIGHT_CONTROL_PRESSED|EFI_LEFT_CONTROL_PRESSED)
#define EFI_ALT_PRESSED (EFI_RIGHT_ALT_PRESSED|EFI_LEFT_ALT_PRESSED)
#define KEYPRESS(keys, scan, uni) ((((UINT64)keys) << 32) | ((scan) << 16) | (uni))
#define KEYCHAR(k) ((k) & 0xffff)
#define CHAR_CTRL(c) ((c) - 'a' + 1)
EFI_STATUS console_key_read(UINT64 *key, BOOLEAN wait);
#endif

26
alpine/packages/gummiboot/gummiboot/src/efi/graphics.h
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@ -1,26 +0,0 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Copyright (C) 2012-2013 Kay Sievers <kay@vrfy.org>
* Copyright (C) 2012 Harald Hoyer <harald@redhat.com>
* Copyright (C) 2013 Intel Corporation
* Authored by Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
*/
#ifndef __GUMMIBOOT_GRAPHICS_H
#define __GUMMIBOOT_GRAPHICS_H
EFI_STATUS graphics_mode(BOOLEAN on);
EFI_STATUS graphics_splash(EFI_FILE *root_dir, CHAR16 *path,
const EFI_GRAPHICS_OUTPUT_BLT_PIXEL *background);
#endif

130
alpine/packages/gummiboot/gummiboot/src/efi/linux.c
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@ -1,130 +0,0 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Copyright (C) 2015 Kay Sievers <kay@vrfy.org>
*/
#include <efi.h>
#include <efilib.h>
#include "util.h"
#include "linux.h"
#define SETUP_MAGIC 0x53726448 /* "HdrS" */
struct SetupHeader {
UINT8 boot_sector[0x01f1];
UINT8 setup_secs;
UINT16 root_flags;
UINT32 sys_size;
UINT16 ram_size;
UINT16 video_mode;
UINT16 root_dev;
UINT16 signature;
UINT16 jump;
UINT32 header;
UINT16 version;
UINT16 su_switch;
UINT16 setup_seg;
UINT16 start_sys;
UINT16 kernel_ver;
UINT8 loader_id;
UINT8 load_flags;
UINT16 movesize;
UINT32 code32_start;
UINT32 ramdisk_start;
UINT32 ramdisk_len;
UINT32 bootsect_kludge;
UINT16 heap_end;
UINT8 ext_loader_ver;
UINT8 ext_loader_type;
UINT32 cmd_line_ptr;
UINT32 ramdisk_max;
UINT32 kernel_alignment;
UINT8 relocatable_kernel;
UINT8 min_alignment;
UINT16 xloadflags;
UINT32 cmdline_size;
UINT32 hardware_subarch;
UINT64 hardware_subarch_data;
UINT32 payload_offset;
UINT32 payload_length;
UINT64 setup_data;
UINT64 pref_address;
UINT32 init_size;
UINT32 handover_offset;
} __attribute__((packed));
#ifdef __x86_64__
typedef VOID(*handover_f)(VOID *image, EFI_SYSTEM_TABLE *table, struct SetupHeader *setup);
static inline VOID linux_efi_handover(EFI_HANDLE image, struct SetupHeader *setup) {
handover_f handover;
asm volatile ("cli");
handover = (handover_f)((UINTN)setup->code32_start + 512 + setup->handover_offset);
handover(image, ST, setup);
}
#else
typedef VOID(*handover_f)(VOID *image, EFI_SYSTEM_TABLE *table, struct SetupHeader *setup) __attribute__((regparm(0)));
static inline VOID linux_efi_handover(EFI_HANDLE image, struct SetupHeader *setup) {
handover_f handover;
handover = (handover_f)((UINTN)setup->code32_start + setup->handover_offset);
handover(image, ST, setup);
}
#endif
EFI_STATUS linux_exec(EFI_HANDLE *image,
CHAR8 *cmdline, UINTN cmdline_len,
UINTN linux_addr,
UINTN initrd_addr, UINTN initrd_size) {
struct SetupHeader *image_setup;
struct SetupHeader *boot_setup;
EFI_PHYSICAL_ADDRESS addr;
EFI_STATUS err;
image_setup = (struct SetupHeader *)(linux_addr);
if (image_setup->signature != 0xAA55 || image_setup->header != SETUP_MAGIC)
return EFI_LOAD_ERROR;
if (image_setup->version < 0x20b || !image_setup->relocatable_kernel)
return EFI_LOAD_ERROR;
addr = 0x3fffffff;
err = uefi_call_wrapper(BS->AllocatePages, 4, AllocateMaxAddress, EfiLoaderData,
EFI_SIZE_TO_PAGES(0x4000), &addr);
if (EFI_ERROR(err))
return err;
boot_setup = (struct SetupHeader *)(UINTN)addr;
ZeroMem(boot_setup, 0x4000);
CopyMem(boot_setup, image_setup, sizeof(struct SetupHeader));
boot_setup->loader_id = 0xff;
boot_setup->code32_start = (UINT32)linux_addr + (image_setup->setup_secs+1) * 512;
if (cmdline) {
addr = 0xA0000;
err = uefi_call_wrapper(BS->AllocatePages, 4, AllocateMaxAddress, EfiLoaderData,
EFI_SIZE_TO_PAGES(cmdline_len + 1), &addr);
if (EFI_ERROR(err))
return err;
CopyMem((VOID *)(UINTN)addr, cmdline, cmdline_len);
((CHAR8 *)addr)[cmdline_len] = 0;
boot_setup->cmd_line_ptr = (UINT32)addr;
}
boot_setup->ramdisk_start = (UINT32)initrd_addr;
boot_setup->ramdisk_len = (UINT32)initrd_size;
linux_efi_handover(image, boot_setup);
return EFI_LOAD_ERROR;
}

24
alpine/packages/gummiboot/gummiboot/src/efi/linux.h
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@ -1,24 +0,0 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Copyright (C) 2015 Kay Sievers <kay@vrfy.org>
*/
#ifndef __GUMMIBOOT_kernel_H
#define __GUMMIBOOT_kernel_H
EFI_STATUS linux_exec(EFI_HANDLE *image,
CHAR8 *cmdline, UINTN cmdline_size,
UINTN linux_addr,
UINTN initrd_addr, UINTN initrd_size);
#endif

172
alpine/packages/gummiboot/gummiboot/src/efi/pefile.c
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@ -1,172 +0,0 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Copyright (C) 2015 Kay Sievers <kay@vrfy.org>
*/
#include <efi.h>
#include <efilib.h>
#include "util.h"
#include "pefile.h"
struct DosFileHeader {
UINT8 Magic[2];
UINT16 LastSize;
UINT16 nBlocks;
UINT16 nReloc;
UINT16 HdrSize;
UINT16 MinAlloc;
UINT16 MaxAlloc;
UINT16 ss;
UINT16 sp;
UINT16 Checksum;
UINT16 ip;
UINT16 cs;
UINT16 RelocPos;
UINT16 nOverlay;
UINT16 reserved[4];
UINT16 OEMId;
UINT16 OEMInfo;
UINT16 reserved2[10];
UINT32 ExeHeader;
} __attribute__((packed));
#define PE_HEADER_MACHINE_I386 0x014c
#define PE_HEADER_MACHINE_X64 0x8664
struct PeFileHeader {
UINT16 Machine;
UINT16 NumberOfSections;
UINT32 TimeDateStamp;
UINT32 PointerToSymbolTable;
UINT32 NumberOfSymbols;
UINT16 SizeOfOptionalHeader;
UINT16 Characteristics;
} __attribute__((packed));
struct PeSectionHeader {
UINT8 Name[8];
UINT32 VirtualSize;
UINT32 VirtualAddress;
UINT32 SizeOfRawData;
UINT32 PointerToRawData;
UINT32 PointerToRelocations;
UINT32 PointerToLinenumbers;
UINT16 NumberOfRelocations;
UINT16 NumberOfLinenumbers;
UINT32 Characteristics;
} __attribute__((packed));
EFI_STATUS pefile_locate_sections(EFI_FILE *dir, CHAR16 *path, CHAR8 **sections, UINTN *addrs, UINTN *offsets, UINTN *sizes) {
EFI_FILE_HANDLE handle;
struct DosFileHeader dos;
uint8_t magic[4];
struct PeFileHeader pe;
UINTN len;
UINTN i;
EFI_STATUS err;
err = uefi_call_wrapper(dir->Open, 5, dir, &handle, path, EFI_FILE_MODE_READ, 0ULL);
if (EFI_ERROR(err))
return err;
/* MS-DOS stub */
len = sizeof(dos);
err = uefi_call_wrapper(handle->Read, 3, handle, &len, &dos);
if (EFI_ERROR(err))
goto out;
if (len != sizeof(dos)) {
err = EFI_LOAD_ERROR;
goto out;
}
if (CompareMem(dos.Magic, "MZ", 2) != 0) {
err = EFI_LOAD_ERROR;
goto out;
}
err = uefi_call_wrapper(handle->SetPosition, 2, handle, dos.ExeHeader);
if (EFI_ERROR(err))
goto out;
/* PE header */
len = sizeof(magic);
err = uefi_call_wrapper(handle->Read, 3, handle, &len, &magic);
if (EFI_ERROR(err))
goto out;
if (len != sizeof(magic)) {
err = EFI_LOAD_ERROR;
goto out;
}
if (CompareMem(magic, "PE\0\0", 2) != 0) {
err = EFI_LOAD_ERROR;
goto out;
}
len = sizeof(pe);
err = uefi_call_wrapper(handle->Read, 3, handle, &len, &pe);
if (EFI_ERROR(err))
goto out;
if (len != sizeof(pe)) {
err = EFI_LOAD_ERROR;
goto out;
}
/* PE32+ Subsystem type */
if (pe.Machine != PE_HEADER_MACHINE_X64 &&
pe.Machine != PE_HEADER_MACHINE_I386) {
err = EFI_LOAD_ERROR;
goto out;
}
if (pe.NumberOfSections > 96) {
err = EFI_LOAD_ERROR;
goto out;
}
/* the sections start directly after the headers */
err = uefi_call_wrapper(handle->SetPosition, 2, handle, dos.ExeHeader + sizeof(magic) + sizeof(pe) + pe.SizeOfOptionalHeader);
if (EFI_ERROR(err))
goto out;
for (i = 0; i < pe.NumberOfSections; i++) {
struct PeSectionHeader sect;
UINTN j;
len = sizeof(sect);
err = uefi_call_wrapper(handle->Read, 3, handle, &len, &sect);
if (EFI_ERROR(err))
goto out;
if (len != sizeof(sect)) {
err = EFI_LOAD_ERROR;
goto out;
}
for (j = 0; sections[j]; j++) {
if (CompareMem(sect.Name, sections[j], strlena(sections[j])) != 0)
continue;
if (addrs)
addrs[j] = (UINTN)sect.VirtualAddress;
if (offsets)
offsets[j] = (UINTN)sect.PointerToRawData;
if (sizes)
sizes[j] = (UINTN)sect.VirtualSize;
}
}
out:
uefi_call_wrapper(handle->Close, 1, handle);
return err;
}

22
alpine/packages/gummiboot/gummiboot/src/efi/pefile.h
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@ -1,22 +0,0 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Copyright (C) 2015 Kay Sievers <kay@vrfy.org>
*/
#ifndef __GUMMIBOOT_PEFILE_H
#define __GUMMIBOOT_PEFILE_H
EFI_STATUS pefile_locate_sections(EFI_FILE *dir, CHAR16 *path,
CHAR8 **sections, UINTN *addrs, UINTN *offsets, UINTN *sizes);
#endif

106
alpine/packages/gummiboot/gummiboot/src/efi/stub.c
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@ -1,106 +0,0 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Copyright (C) 2015 Kay Sievers <kay@vrfy.org>
*/
#include <efi.h>
#include <efilib.h>
#include "util.h"
#include "pefile.h"
#include "linux.h"
/* magic string to find in the binary image */
static const char __attribute__((used)) magic[] = "#### LoaderInfo: stub " VERSION " ####";
static const EFI_GUID global_guid = EFI_GLOBAL_VARIABLE;
EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) {
EFI_LOADED_IMAGE *loaded_image;
EFI_FILE *root_dir;
CHAR16 *loaded_image_path;
CHAR8 *b;
UINTN size;
BOOLEAN secure = FALSE;
CHAR8 *sections[] = {
(UINT8 *)".cmdline",
(UINT8 *)".linux",
(UINT8 *)".initrd",
NULL
};
UINTN addrs[ELEMENTSOF(sections)-1] = {};
UINTN offs[ELEMENTSOF(sections)-1] = {};
UINTN szs[ELEMENTSOF(sections)-1] = {};
CHAR8 *cmdline = NULL;
UINTN cmdline_len;
EFI_STATUS err;
InitializeLib(image, sys_table);
err = uefi_call_wrapper(BS->OpenProtocol, 6, image, &LoadedImageProtocol, (VOID **)&loaded_image,
image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
if (EFI_ERROR(err)) {
Print(L"Error getting a LoadedImageProtocol handle: %r ", err);
uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
return err;
}
root_dir = LibOpenRoot(loaded_image->DeviceHandle);
if (!root_dir) {
Print(L"Unable to open root directory: %r ", err);
uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
return EFI_LOAD_ERROR;
}
loaded_image_path = DevicePathToStr(loaded_image->FilePath);
if (efivar_get_raw(&global_guid, L"SecureBoot", &b, &size) == EFI_SUCCESS) {
if (*b > 0)
secure = TRUE;
FreePool(b);
}
err = pefile_locate_sections(root_dir, loaded_image_path, sections, addrs, offs, szs);
if (EFI_ERROR(err)) {
Print(L"Unable to locate embedded .linux section: %r ", err);
uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
return err;
}
if (szs[0] > 0)
cmdline = (CHAR8 *)(loaded_image->ImageBase + addrs[0]);
cmdline_len = szs[0];
/* if we are not in secure boot mode, accept a custom command line and replace the built-in one */
if (!secure && loaded_image->LoadOptionsSize > 0) {
CHAR16 *options;
CHAR8 *line;
UINTN i;
options = (CHAR16 *)loaded_image->LoadOptions;
cmdline_len = (loaded_image->LoadOptionsSize / sizeof(CHAR16)) * sizeof(CHAR8);
line = AllocatePool(cmdline_len);
for (i = 0; i < cmdline_len; i++)
line[i] = options[i];
cmdline = line;
}
err = linux_exec(image, cmdline, cmdline_len,
(UINTN)loaded_image->ImageBase + addrs[1],
(UINTN)loaded_image->ImageBase + addrs[2], szs[2]);
Print(L"Execution of embedded linux image failed: %r\n", err);
uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
return err;
}

342
alpine/packages/gummiboot/gummiboot/src/efi/util.c
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@ -1,342 +0,0 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Copyright (C) 2012-2013 Kay Sievers <kay@vrfy.org>
* Copyright (C) 2012 Harald Hoyer <harald@redhat.com>
*/
#include <efi.h>
#include <efilib.h>
#include "util.h"
/*
* Allocated random UUID, intended to be shared across tools that implement
* the (ESP)\loader\entries\<vendor>-<revision>.conf convention and the
* associated EFI variables.
*/
static const EFI_GUID loader_guid = { 0x4a67b082, 0x0a4c, 0x41cf, {0xb6, 0xc7, 0x44, 0x0b, 0x29, 0xbb, 0x8c, 0x4f} };
#ifdef __x86_64__
UINT64 ticks_read(VOID) {
UINT64 a, d;
__asm__ volatile ("rdtsc" : "=a" (a), "=d" (d));
return (d << 32) | a;
}
#else
UINT64 ticks_read(VOID) {
UINT64 val;
__asm__ volatile ("rdtsc" : "=A" (val));
return val;
}
#endif
/* count TSC ticks during a millisecond delay */
UINT64 ticks_freq(VOID) {
UINT64 ticks_start, ticks_end;
ticks_start = ticks_read();
uefi_call_wrapper(BS->Stall, 1, 1000);
ticks_end = ticks_read();
return (ticks_end - ticks_start) * 1000;
}
UINT64 time_usec(VOID) {
UINT64 ticks;
static UINT64 freq;
ticks = ticks_read();
if (ticks == 0)
return 0;
if (freq == 0) {
freq = ticks_freq();
if (freq == 0)
return 0;
}
return 1000 * 1000 * ticks / freq;
}
EFI_STATUS parse_boolean(CHAR8 *v, BOOLEAN *b) {
if (strcmpa(v, (CHAR8 *)"1") == 0 ||
strcmpa(v, (CHAR8 *)"yes") == 0 ||
strcmpa(v, (CHAR8 *)"y") == 0 ||
strcmpa(v, (CHAR8 *)"true") == 0) {
*b = TRUE;
return EFI_SUCCESS;
}
if (strcmpa(v, (CHAR8 *)"0") == 0 ||
strcmpa(v, (CHAR8 *)"no") == 0 ||
strcmpa(v, (CHAR8 *)"n") == 0 ||
strcmpa(v, (CHAR8 *)"false") == 0) {
*b = FALSE;
return EFI_SUCCESS;
}
return EFI_INVALID_PARAMETER;
}
EFI_STATUS efivar_set_raw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 *buf, UINTN size, BOOLEAN persistent) {
UINT32 flags;
flags = EFI_VARIABLE_BOOTSERVICE_ACCESS|EFI_VARIABLE_RUNTIME_ACCESS;
if (persistent)
flags |= EFI_VARIABLE_NON_VOLATILE;
return uefi_call_wrapper(RT->SetVariable, 5, name, (EFI_GUID *)vendor, flags, size, buf);
}
EFI_STATUS efivar_set(CHAR16 *name, CHAR16 *value, BOOLEAN persistent) {
return efivar_set_raw(&loader_guid, name, (CHAR8 *)value, value ? (StrLen(value)+1) * sizeof(CHAR16) : 0, persistent);
}
EFI_STATUS efivar_set_int(CHAR16 *name, UINTN i, BOOLEAN persistent) {
CHAR16 str[32];
SPrint(str, 32, L"%d", i);
return efivar_set(name, str, persistent);
}
EFI_STATUS efivar_get(CHAR16 *name, CHAR16 **value) {
CHAR8 *buf;
CHAR16 *val;
UINTN size;
EFI_STATUS err;
err = efivar_get_raw(&loader_guid, name, &buf, &size);
if (EFI_ERROR(err))
return err;
val = StrDuplicate((CHAR16 *)buf);
if (!val) {
FreePool(buf);
return EFI_OUT_OF_RESOURCES;
}
*value = val;
return EFI_SUCCESS;
}
EFI_STATUS efivar_get_int(CHAR16 *name, UINTN *i) {
CHAR16 *val;
EFI_STATUS err;
err = efivar_get(name, &val);
if (!EFI_ERROR(err)) {
*i = Atoi(val);
FreePool(val);
}
return err;
}
EFI_STATUS efivar_get_raw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 **buffer, UINTN *size) {
CHAR8 *buf;
UINTN l;
EFI_STATUS err;
l = sizeof(CHAR16 *) * EFI_MAXIMUM_VARIABLE_SIZE;
buf = AllocatePool(l);
if (!buf)
return EFI_OUT_OF_RESOURCES;
err = uefi_call_wrapper(RT->GetVariable, 5, name, (EFI_GUID *)vendor, NULL, &l, buf);
if (!EFI_ERROR(err)) {
*buffer = buf;
if (size)
*size = l;
} else
FreePool(buf);
return err;
}
VOID efivar_set_time_usec(CHAR16 *name, UINT64 usec) {
CHAR16 str[32];
if (usec == 0)
usec = time_usec();
if (usec == 0)
return;
SPrint(str, 32, L"%ld", usec);
efivar_set(name, str, FALSE);
}
static INTN utf8_to_16(CHAR8 *stra, CHAR16 *c) {
CHAR16 unichar;
UINTN len;
UINTN i;
if (stra[0] < 0x80)
len = 1;
else if ((stra[0] & 0xe0) == 0xc0)
len = 2;
else if ((stra[0] & 0xf0) == 0xe0)
len = 3;
else if ((stra[0] & 0xf8) == 0xf0)
len = 4;
else if ((stra[0] & 0xfc) == 0xf8)
len = 5;
else if ((stra[0] & 0xfe) == 0xfc)
len = 6;
else
return -1;
switch (len) {
case 1:
unichar = stra[0];
break;
case 2:
unichar = stra[0] & 0x1f;
break;
case 3:
unichar = stra[0] & 0x0f;
break;
case 4:
unichar = stra[0] & 0x07;
break;
case 5:
unichar = stra[0] & 0x03;
break;
case 6:
unichar = stra[0] & 0x01;
break;
}
for (i = 1; i < len; i++) {
if ((stra[i] & 0xc0) != 0x80)
return -1;
unichar <<= 6;
unichar |= stra[i] & 0x3f;
}
*c = unichar;
return len;
}
CHAR16 *stra_to_str(CHAR8 *stra) {
UINTN strlen;
UINTN len;
UINTN i;
CHAR16 *str;
len = strlena(stra);
str = AllocatePool((len + 1) * sizeof(CHAR16));
strlen = 0;
i = 0;
while (i < len) {
INTN utf8len;
utf8len = utf8_to_16(stra + i, str + strlen);
if (utf8len <= 0) {
/* invalid utf8 sequence, skip the garbage */
i++;
continue;
}
strlen++;
i += utf8len;
}
str[strlen] = '\0';
return str;
}
CHAR16 *stra_to_path(CHAR8 *stra) {
CHAR16 *str;
UINTN strlen;
UINTN len;
UINTN i;
len = strlena(stra);
str = AllocatePool((len + 2) * sizeof(CHAR16));
str[0] = '\\';
strlen = 1;
i = 0;
while (i < len) {
INTN utf8len;
utf8len = utf8_to_16(stra + i, str + strlen);
if (utf8len <= 0) {
/* invalid utf8 sequence, skip the garbage */
i++;
continue;
}
if (str[strlen] == '/')
str[strlen] = '\\';
if (str[strlen] == '\\' && str[strlen-1] == '\\') {
/* skip double slashes */
i += utf8len;
continue;
}
strlen++;
i += utf8len;
}
str[strlen] = '\0';
return str;
}
CHAR8 *strchra(CHAR8 *s, CHAR8 c) {
do {
if (*s == c)
return s;
} while (*s++);
return NULL;
}
INTN file_read(EFI_FILE_HANDLE dir, CHAR16 *name, UINTN off, UINTN size, CHAR8 **content) {
EFI_FILE_HANDLE handle;
CHAR8 *buf;
UINTN buflen;
EFI_STATUS err;
UINTN len;
err = uefi_call_wrapper(dir->Open, 5, dir, &handle, name, EFI_FILE_MODE_READ, 0ULL);
if (EFI_ERROR(err))
return err;
if (size == 0) {
EFI_FILE_INFO *info;
info = LibFileInfo(handle);
buflen = info->FileSize+1;
FreePool(info);
} else
buflen = size;
if (off > 0) {
err = uefi_call_wrapper(handle->SetPosition, 2, handle, off);
if (EFI_ERROR(err))
return err;
}
buf = AllocatePool(buflen);
err = uefi_call_wrapper(handle->Read, 3, handle, &buflen, buf);
if (!EFI_ERROR(err)) {
buf[buflen] = '\0';
*content = buf;
len = buflen;
} else {
len = err;
FreePool(buf);
}
uefi_call_wrapper(handle->Close, 1, handle);
return len;
}

50
alpine/packages/gummiboot/gummiboot/src/efi/util.h
View File

@ -1,50 +0,0 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Copyright (C) 2012-2013 Kay Sievers <kay@vrfy.org>
* Copyright (C) 2012 Harald Hoyer <harald@redhat.com>
*/
#ifndef __GUMMIBOOT_UTIL_H
#define __GUMMIBOOT_UTIL_H
#include <efi.h>
#include <efilib.h>
#define ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0]))
static inline const CHAR16 *yes_no(BOOLEAN b) {
return b ? L"yes" : L"no";
}
EFI_STATUS parse_boolean(CHAR8 *v, BOOLEAN *b);
UINT64 ticks_read(void);
UINT64 ticks_freq(void);
UINT64 time_usec(void);
EFI_STATUS efivar_set(CHAR16 *name, CHAR16 *value, BOOLEAN persistent);
EFI_STATUS efivar_set_raw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 *buf, UINTN size, BOOLEAN persistent);
EFI_STATUS efivar_set_int(CHAR16 *name, UINTN i, BOOLEAN persistent);
VOID efivar_set_time_usec(CHAR16 *name, UINT64 usec);
EFI_STATUS efivar_get(CHAR16 *name, CHAR16 **value);
EFI_STATUS efivar_get_raw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 **buffer, UINTN *size);
EFI_STATUS efivar_get_int(CHAR16 *name, UINTN *i);
CHAR8 *strchra(CHAR8 *s, CHAR8 c);
CHAR16 *stra_to_path(CHAR8 *stra);
CHAR16 *stra_to_str(CHAR8 *stra);
INTN file_read(EFI_FILE_HANDLE dir, CHAR16 *name, UINTN off, UINTN size, CHAR8 **content);
#endif

647
alpine/packages/gummiboot/gummiboot/src/setup/efivars.c
View File

@ -1,647 +0,0 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2013 Lennart Poettering
Copyright 2013 Kay Sievers
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <errno.h>
#include <assert.h>
#include <stdio.h>
#include <fcntl.h>
#include <string.h>
#include <stddef.h>
#include <dirent.h>
#include <ctype.h>
#include "efivars.h"
bool is_efi_boot(void) {
return access("/sys/firmware/efi", F_OK) >= 0;
}
static int read_flag(const char *varname) {
int r;
void *v;
size_t s;
uint8_t b;
r = efi_get_variable(EFI_VENDOR_GLOBAL, varname, &v, &s);
if (r < 0)
return r;
if (s != 1) {
r = -EINVAL;
goto finish;
}
b = *(uint8_t *)v;
r = b > 0;
finish:
free(v);
return r;
}
int is_efi_secure_boot(void) {
return read_flag("SecureBoot");
}
int is_efi_secure_boot_setup_mode(void) {
return read_flag("SetupMode");
}
int efi_get_variable(
const uint8_t vendor[16],
const char *name,
void **value,
size_t *size) {
int fd = -1;
char *p = NULL;
uint32_t a;
ssize_t n;
struct stat st;
void *b;
int r;
assert(name);
assert(value);
assert(size);
if (asprintf(&p,
"/sys/firmware/efi/efivars/%s-%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
name,
vendor[0], vendor[1], vendor[2], vendor[3], vendor[4], vendor[5], vendor[6], vendor[7],
vendor[8], vendor[9], vendor[10], vendor[11], vendor[12], vendor[13], vendor[14], vendor[15]) < 0)
return -ENOMEM;
fd = open(p, O_RDONLY|O_NOCTTY|O_CLOEXEC);
if (fd < 0) {
r = -errno;
goto finish;
}
if (fstat(fd, &st) < 0) {
r = -errno;
goto finish;
}
if (st.st_size < 4) {
r = -EIO;
goto finish;
}
if (st.st_size > 4*1024*1024 + 4) {
r = -E2BIG;
goto finish;
}
n = read(fd, &a, sizeof(a));
if (n < 0) {
r = errno;
goto finish;
}
if (n != sizeof(a)) {
r = -EIO;
goto finish;
}
b = malloc(st.st_size - 4 + 2);
if (!b) {
r = -ENOMEM;
goto finish;
}
n = read(fd, b, (size_t) st.st_size - 4);
if (n < 0) {
free(b);
r = errno;
goto finish;
}
if (n != (ssize_t) st.st_size - 4) {
free(b);
r = -EIO;
goto finish;
}
/* Always NUL terminate (2 bytes, to protect UTF-16) */
((char*) b)[st.st_size - 4] = 0;
((char*) b)[st.st_size - 4 + 1] = 0;
*value = b;
*size = (size_t) st.st_size - 4;
r = 0;
finish:
if (fd >= 0)
close(fd);
free(p);
return r;
}
int efi_set_variable(
const uint8_t vendor[16],
const char *name,
const void *value,
size_t size) {
struct var {
uint32_t attr;
char buf[];
} __attribute__((packed)) *buf = NULL;
char *p = NULL;
int fd = -1;
int r;
assert(vendor);
assert(name);
if (asprintf(&p,
"/sys/firmware/efi/efivars/%s-%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
name,
vendor[0], vendor[1], vendor[2], vendor[3], vendor[4], vendor[5], vendor[6], vendor[7],
vendor[8], vendor[9], vendor[10], vendor[11], vendor[12], vendor[13], vendor[14], vendor[15]) < 0)
return -ENOMEM;
if (size == 0) {
r = unlink(p);
goto finish;
}
fd = open(p, O_WRONLY|O_CREAT|O_NOCTTY|O_CLOEXEC, 0644);
if (fd < 0) {
r = -errno;
goto finish;
}
buf = malloc(sizeof(uint32_t) + size);
if (!buf) {
r = -errno;
goto finish;
}
buf->attr = EFI_VARIABLE_NON_VOLATILE|EFI_VARIABLE_BOOTSERVICE_ACCESS|EFI_VARIABLE_RUNTIME_ACCESS;
memcpy(buf->buf, value, size);
r = write(fd, buf, sizeof(uint32_t) + size);
if (r < 0) {
r = -errno;
goto finish;
}
if ((size_t)r != sizeof(uint32_t) + size) {
r = -EIO;
goto finish;
}
finish:
if (fd >= 0)
close(fd);
free(buf);
free(p);
return r;
}
int efi_get_variable_string(const uint8_t vendor[16], const char *name, char **p) {
void *s = NULL;
size_t ss;
char *x;
int r;
r = efi_get_variable(vendor, name, &s, &ss);
if (r < 0)
return r;
x = utf16_to_utf8(s, ss);
free(s);
if (!x)
return -ENOMEM;
*p = x;
return 0;
}
static size_t utf16_size(const uint16_t *s) {
size_t l = 0;
while (s[l] > 0)
l++;
return (l+1) * sizeof(uint16_t);
}
struct guid {
uint32_t u1;
uint16_t u2;
uint16_t u3;
uint8_t u4[8];
} __attribute__((packed));
static void efi_guid_to_id128(const void *guid, uint8_t *bytes) {
const struct guid *uuid = guid;
bytes[0] = (uuid->u1 >> 24) & 0xff;
bytes[1] = (uuid->u1 >> 16) & 0xff;
bytes[2] = (uuid->u1 >> 8) & 0xff;
bytes[3] = (uuid->u1) & 0xff;
bytes[4] = (uuid->u2 >> 8) & 0xff;
bytes[5] = (uuid->u2) & 0xff;
bytes[6] = (uuid->u3 >> 8) & 0xff;
bytes[7] = (uuid->u3) & 0xff;
memcpy(bytes+8, uuid->u4, sizeof(uuid->u4));
}
static void id128_to_efi_guid(const uint8_t *bytes, void *guid) {
struct guid *uuid = guid;
uuid->u1 = bytes[0] << 24 | bytes[1] << 16 | bytes[2] << 8 | bytes[3];
uuid->u2 = bytes[4] << 8 | bytes[5];
uuid->u3 = bytes[6] << 8 | bytes[7];
memcpy(uuid->u4, bytes+8, sizeof(uuid->u4));
}
char *tilt_backslashes(char *s) {
char *p;
for (p = s; *p; p++)
if (*p == '\\')
*p = '/';
return s;
}
uint16_t *tilt_slashes(uint16_t *s) {
uint16_t *p;
for (p = s; *p; p++)
if (*p == '/')
*p = '\\';
return s;
}
#define LOAD_OPTION_ACTIVE 0x00000001
#define MEDIA_DEVICE_PATH 0x04
#define MEDIA_HARDDRIVE_DP 0x01
#define MEDIA_FILEPATH_DP 0x04
#define SIGNATURE_TYPE_GUID 0x02
#define MBR_TYPE_EFI_PARTITION_TABLE_HEADER 0x02
#define END_DEVICE_PATH_TYPE 0x7f
#define END_ENTIRE_DEVICE_PATH_SUBTYPE 0xff
struct boot_option {
uint32_t attr;
uint16_t path_len;
uint16_t title[];
} __attribute__((packed));
struct drive_path {
uint32_t part_nr;
uint64_t part_start;
uint64_t part_size;
char signature[16];
uint8_t mbr_type;
uint8_t signature_type;
} __attribute__((packed));
struct device_path {
uint8_t type;
uint8_t sub_type;
uint16_t length;
union {
uint16_t path[0];
struct drive_path drive;
};
} __attribute__((packed));
int efi_get_boot_option(uint16_t id, char **title, uint8_t part_uuid[16], char **path, bool *active) {
char boot_id[9];
uint8_t *buf = NULL;
size_t l;
struct boot_option *header;
size_t title_size;
char *s = NULL;
char *p = NULL;
uint8_t p_uuid[16] = "";
int err;
snprintf(boot_id, sizeof(boot_id), "Boot%04X", id);
err = efi_get_variable(EFI_VENDOR_GLOBAL, boot_id, (void **) &buf, &l);
if (err < 0)
return err;
if (l < sizeof(struct boot_option)) {
err = -ENOENT;
goto err;
}
header = (struct boot_option *) buf;
title_size = utf16_size(header->title);
if (title_size > l - offsetof(struct boot_option, title)) {
err = -EINVAL;
goto err;
}
s = utf16_to_utf8(header->title, title_size);
if (!s) {
err = -ENOMEM;
goto err;
}
if (header->path_len > 0) {
uint8_t *dbuf;
size_t dnext;
dbuf = buf + offsetof(struct boot_option, title) + title_size;
dnext = 0;
while (dnext < header->path_len) {
struct device_path *dpath;
dpath = (struct device_path *)(dbuf + dnext);
if (dpath->length < 4)
break;
/* Type 0x7F – End of Hardware Device Path, Sub-Type 0xFF – End Entire Device Path */
if (dpath->type == END_DEVICE_PATH_TYPE && dpath->sub_type == END_ENTIRE_DEVICE_PATH_SUBTYPE)
break;
dnext += dpath->length;
if (dpath->type != MEDIA_DEVICE_PATH)
continue;
if (dpath->sub_type == MEDIA_HARDDRIVE_DP) {
/* GPT Partition Table */
if (dpath->drive.mbr_type != MBR_TYPE_EFI_PARTITION_TABLE_HEADER)
continue;
if (dpath->drive.signature_type != SIGNATURE_TYPE_GUID)
continue;
efi_guid_to_id128(dpath->drive.signature, p_uuid);
continue;
}
if (dpath->sub_type == MEDIA_FILEPATH_DP) {
p = utf16_to_utf8(dpath->path, dpath->length-4);
tilt_backslashes(p);
continue;
}
}
}
if (title)
*title = s;
else
free(s);
if (part_uuid)
memcpy(part_uuid, p_uuid, 16);
if (path)
*path = p;
else
free(p);
if (active)
*active = !!header->attr & LOAD_OPTION_ACTIVE;
free(buf);
return 0;
err:
free(s);
free(p);
free(buf);
return err;
}
static void to_utf16(uint16_t *dest, const char *src) {
int i;
for (i = 0; src[i] != '\0'; i++)
dest[i] = src[i];
dest[i] = '\0';
}
int efi_add_boot_option(uint16_t id, const char *title,
uint32_t part, uint64_t pstart, uint64_t psize,
const uint8_t part_uuid[16],
const char *path) {
char boot_id[9];
char *buf;
size_t size;
size_t title_len;
size_t path_len;
struct boot_option *option;
struct device_path *devicep;
int err;
title_len = (strlen(title)+1) * 2;
path_len = (strlen(path)+1) * 2;
buf = calloc(sizeof(struct boot_option) + title_len +
sizeof(struct drive_path) +
sizeof(struct device_path) + path_len, 1);
if (!buf) {
err = -ENOMEM;
goto finish;
}
/* header */
option = (struct boot_option *)buf;
option->attr = LOAD_OPTION_ACTIVE;
option->path_len = offsetof(struct device_path, drive) + sizeof(struct drive_path) +
offsetof(struct device_path, path) + path_len +
offsetof(struct device_path, path);
to_utf16(option->title, title);
size = offsetof(struct boot_option, title) + title_len;
/* partition info */
devicep = (struct device_path *)(buf + size);
devicep->type = MEDIA_DEVICE_PATH;
devicep->sub_type = MEDIA_HARDDRIVE_DP;
devicep->length = offsetof(struct device_path, drive) + sizeof(struct drive_path);
devicep->drive.part_nr = part;
devicep->drive.part_start = pstart;
devicep->drive.part_size = psize;
devicep->drive.signature_type = SIGNATURE_TYPE_GUID;
devicep->drive.mbr_type = MBR_TYPE_EFI_PARTITION_TABLE_HEADER;
id128_to_efi_guid(part_uuid, devicep->drive.signature);
size += devicep->length;
/* path to loader */
devicep = (struct device_path *)(buf + size);
devicep->type = MEDIA_DEVICE_PATH;
devicep->sub_type = MEDIA_FILEPATH_DP;
devicep->length = offsetof(struct device_path, path) + path_len;
to_utf16(devicep->path, path);
tilt_slashes(devicep->path);
size += devicep->length;
/* end of path */
devicep = (struct device_path *)(buf + size);
devicep->type = END_DEVICE_PATH_TYPE;
devicep->sub_type = END_ENTIRE_DEVICE_PATH_SUBTYPE;
devicep->length = offsetof(struct device_path, path);
size += devicep->length;
snprintf(boot_id, sizeof(boot_id), "Boot%04X", id);
err = efi_set_variable(EFI_VENDOR_GLOBAL, boot_id, buf, size);
finish:
free(buf);
return err;
}
int efi_remove_boot_option(uint16_t id) {
char boot_id[9];
snprintf(boot_id, sizeof(boot_id), "Boot%04X", id);
return efi_set_variable(EFI_VENDOR_GLOBAL, boot_id, NULL, 0);
}
int efi_get_boot_order(uint16_t **order) {
void *buf;
size_t l;
int r;
r = efi_get_variable(EFI_VENDOR_GLOBAL, "BootOrder", &buf, &l);
if (r < 0)
return r;
if (l <= 0) {
free(buf);
return -ENOENT;
}
if ((l % sizeof(uint16_t) > 0)) {
free(buf);
return -EINVAL;
}
*order = buf;
return (int) (l / sizeof(uint16_t));
}
int efi_set_boot_order(uint16_t *order, size_t n) {
return efi_set_variable(EFI_VENDOR_GLOBAL, "BootOrder", order, n * sizeof(uint16_t));
}
static int boot_id_hex(const char s[4]) {
int i;
int id = 0;
for (i = 0; i < 4; i++)
if (s[i] >= '0' && s[i] <= '9')
id |= (s[i] - '0') << (3 - i) * 4;
else if (s[i] >= 'A' && s[i] <= 'F')
id |= (s[i] - 'A' + 10) << (3 - i) * 4;
else
return -1;
return id;
}
static int cmp_uint16(const void *_a, const void *_b) {
const uint16_t *a = _a, *b = _b;
return (int)*a - (int)*b;
}
int efi_get_boot_options(uint16_t **options) {
DIR *dir;
struct dirent *de;
uint16_t *list = NULL;
int count = 0;
assert(options);
dir = opendir("/sys/firmware/efi/efivars/");
if (!dir)
return -errno;
while ((de = readdir(dir))) {
int id;
uint16_t *t;
if (strncmp(de->d_name, "Boot", 4) != 0)
continue;
if (strlen(de->d_name) != 45)
continue;
if (strcmp(de->d_name + 8, "-8be4df61-93ca-11d2-aa0d-00e098032b8c") != 0)
continue;
id = boot_id_hex(de->d_name + 4);
if (id < 0)
continue;
t = realloc(list, (count + 1) * sizeof(uint16_t));
if (!t) {
free(list);
closedir(dir);
return -ENOMEM;
}
list = t;
list[count++] = id;
}
closedir(dir);
qsort(list, count, sizeof(uint16_t), cmp_uint16);
*options = list;
return count;
}
char *utf16_to_utf8(const void *s, size_t length) {
char *r;
const uint8_t *f;
uint8_t *t;
r = malloc((length*3+1)/2 + 1);
if (!r)
return NULL;
t = (uint8_t*) r;
for (f = s; f < (const uint8_t*) s + length; f += 2) {
uint16_t c;
c = (f[1] << 8) | f[0];
if (c == 0) {
*t = 0;
return r;
} else if (c < 0x80) {
*(t++) = (uint8_t) c;
} else if (c < 0x800) {
*(t++) = (uint8_t) (0xc0 | (c >> 6));
*(t++) = (uint8_t) (0x80 | (c & 0x3f));
} else {
*(t++) = (uint8_t) (0xe0 | (c >> 12));
*(t++) = (uint8_t) (0x80 | ((c >> 6) & 0x3f));
*(t++) = (uint8_t) (0x80 | (c & 0x3f));
}
}
*t = 0;
return r;
}

55
alpine/packages/gummiboot/gummiboot/src/setup/efivars.h
View File

@ -1,55 +0,0 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright 2013 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <stdbool.h>
#include <sys/types.h>
#include <inttypes.h>
#define EFI_VARIABLE_NON_VOLATILE 0x0000000000000001
#define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x0000000000000002
#define EFI_VARIABLE_RUNTIME_ACCESS 0x0000000000000004
#define EFI_VENDOR_GLOBAL ((uint8_t[16]) { 0x8b,0xe4,0xdf,0x61,0x93,0xca,0x11,0xd2,0xaa,0x0d,0x00,0xe0,0x98,0x03,0x2b,0x8c })
#define EFI_VENDOR_LOADER ((uint8_t[16]) { 0x4a,0x67,0xb0,0x82,0x0a,0x4c,0x41,0xcf,0xb6,0xc7,0x44,0x0b,0x29,0xbb,0x8c,0x4f })
bool is_efi_boot(void);
int is_efi_secure_boot(void);
int is_efi_secure_boot_setup_mode(void);
int efi_get_variable(const uint8_t vendor[16], const char *name, void **value, size_t *size);
int efi_set_variable( const uint8_t vendor[16], const char *name, const void *value, size_t size);
int efi_get_variable_string(const uint8_t vendor[16], const char *name, char **p);
int efi_get_boot_option(uint16_t id, char **title, uint8_t part_uuid[16], char **path, bool *active);
int efi_get_boot_options(uint16_t **options);
int efi_add_boot_option(uint16_t id, const char *title,
uint32_t part, uint64_t pstart, uint64_t psize,
const uint8_t part_uuid[16],
const char *path);
int efi_remove_boot_option(uint16_t id);
int efi_get_boot_order(uint16_t **order);
int efi_set_boot_order(uint16_t *order, size_t n);
char *utf16_to_utf8(const void *s, size_t length);
char *tilt_backslashes(char *s);
uint16_t *tilt_slashes(uint16_t *s);

1425
alpine/packages/gummiboot/gummiboot/src/setup/setup.c
View File

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