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authorBritney Fransen <brfransen@gmail.com>2020-10-04 13:27:50 (GMT)
committerBritney Fransen <brfransen@gmail.com>2020-10-04 13:27:50 (GMT)
commiteab26bb7eefba51f1d09488739e7b6b4c183481b (patch)
tree18a0451ba4526c8264e6c0b05bf025d259069711 /abs/extra
parentfb6b26cefcac8566bda0f59700ea0f84a1ca773c (diff)
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kexec-tools: initial inclusion
Diffstat (limited to 'abs/extra')
-rw-r--r--abs/extra/kexec-tools/PKGBUILD33
-rwxr-xr-xabs/extra/kexec-tools/kexec45
-rw-r--r--abs/extra/kexec-tools/kexec-vesafb.diff78
-rw-r--r--abs/extra/kexec-tools/kexec.conf.d16
4 files changed, 172 insertions, 0 deletions
diff --git a/abs/extra/kexec-tools/PKGBUILD b/abs/extra/kexec-tools/PKGBUILD
new file mode 100644
index 0000000..6054381
--- /dev/null
+++ b/abs/extra/kexec-tools/PKGBUILD
@@ -0,0 +1,33 @@
+# Contributor: Camille Moncelier <pix@devlife.org>, simo <simo@archlinux.org>
+# Maintainer: Tobias Powalowski <tpowa@archlinux.org>
+
+pkgname=kexec-tools
+pkgver=2.0.20
+pkgrel=2
+pkgdesc="Load another kernel from the currently executing Linux kernel"
+arch=('x86_64')
+url="https://kernel.org/pub/linux/utils/kernel/kexec/"
+source=("git://git.kernel.org/pub/scm/utils/kernel/kexec/kexec-tools.git#tag=v${pkgver}")
+makedepends=('git')
+depends=('zlib' 'xz')
+license=('GPL2')
+
+prepare() {
+ cd $pkgname
+ ./bootstrap
+}
+
+build() {
+ cd $pkgname
+ CFLAGS+=' -fcommon' # https://wiki.gentoo.org/wiki/Gcc_10_porting_notes/fno_common
+ ./configure --prefix=/usr --sbindir=/usr/bin --without-lzma
+ make
+}
+
+package() {
+ cd $pkgname
+ make DESTDIR="$pkgdir" install
+ install -D -m644 kexec/kexec.8 "$pkgdir"/usr/share/man/man8/kexec.8
+}
+
+md5sums=('SKIP')
diff --git a/abs/extra/kexec-tools/kexec b/abs/extra/kexec-tools/kexec
new file mode 100755
index 0000000..c2e9a78
--- /dev/null
+++ b/abs/extra/kexec-tools/kexec
@@ -0,0 +1,45 @@
+#!/bin/bash
+
+[ -f /etc/conf.d/kexec ] && . /etc/conf.d/kexec
+
+. /etc/rc.conf
+. /etc/rc.d/functions
+
+case "$1" in
+ start)
+ stat_busy "Enabling kexec on reboot"
+ add_daemon kexec
+ stat_done
+ ;;
+
+ stop|load)
+ if [ "$RUNLEVEL" = "6" -o "$1" = "load" ]; then
+ stat_busy "Loading kexec kernel"
+ [ -f "$KPATH" ] || stat_fail
+ [ -f "$INITRD" ] && _INITRD="--initrd=$INITRD"
+ /sbin/kexec -l $KPATH --append="root=$ROOTPART $KPARAM" $_INITRD > /dev/null 2>&1
+ else
+ stat_busy "Disabling kexec on reboot"
+ fi
+ if [ $? -eq 0 ] ; then
+ rm_daemon kexec
+ stat_done
+ else
+ stat_fail
+ fi
+ ;;
+
+ unload)
+ stat_busy "Unloading kexec kernel"
+ /sbin/kexec -u
+ if [ $? -eq 0 ] ; then
+ stat_done
+ else
+ stat_fail
+ fi
+ ;;
+
+ *)
+ echo "usage: $0 {start|stop|load|unload}"
+esac
+exit 0
diff --git a/abs/extra/kexec-tools/kexec-vesafb.diff b/abs/extra/kexec-tools/kexec-vesafb.diff
new file mode 100644
index 0000000..ec16422
--- /dev/null
+++ b/abs/extra/kexec-tools/kexec-vesafb.diff
@@ -0,0 +1,78 @@
+Index: kexec-tools-1.101/kexec/arch/i386/x86-linux-setup.c
+===================================================================
+--- kexec-tools-1.101.orig/kexec/arch/i386/x86-linux-setup.c 2006-03-03 10:51:31.000000000 +0100
++++ kexec-tools-1.101/kexec/arch/i386/x86-linux-setup.c 2006-03-10 14:02:20.000000000 +0100
+@@ -24,6 +24,8 @@
+ #include <sys/stat.h>
+ #include <sys/mman.h>
+ #include <fcntl.h>
++#include <sys/ioctl.h>
++#include <linux/fb.h>
+ #include <unistd.h>
+ #include <x86/x86-linux.h>
+ #include "../../kexec.h"
+@@ -94,6 +96,56 @@ void setup_linux_bootloader_parameters(
+ cmdline_ptr[cmdline_len - 1] = '\0';
+ }
+
++int setup_linux_vesafb(struct x86_linux_param_header *real_mode)
++{
++ struct fb_fix_screeninfo fix;
++ struct fb_var_screeninfo var;
++ int fd;
++
++ fd = open("/dev/fb0", O_RDONLY);
++ if (-1 == fd)
++ return -1;
++
++ if (-1 == ioctl(fd, FBIOGET_FSCREENINFO, &fix))
++ goto out;
++ if (-1 == ioctl(fd, FBIOGET_VSCREENINFO, &var))
++ goto out;
++ if (0 != strcmp(fix.id, "VESA VGA"))
++ goto out;
++ close(fd);
++
++ real_mode->orig_video_isVGA = 0x23 /* VIDEO_TYPE_VLFB */;
++ real_mode->lfb_width = var.xres;
++ real_mode->lfb_height = var.yres;
++ real_mode->lfb_depth = var.bits_per_pixel;
++ real_mode->lfb_base = fix.smem_start;
++ real_mode->lfb_linelength = fix.line_length;
++ real_mode->vesapm_seg = 0;
++
++ /* fixme: better get size from /proc/iomem */
++ real_mode->lfb_size = (fix.smem_len + 65535) / 65536;
++ real_mode->pages = (fix.smem_len + 4095) / 4096;
++
++ if (var.bits_per_pixel > 8) {
++ real_mode->red_pos = var.red.offset;
++ real_mode->red_size = var.red.length;
++ real_mode->green_pos = var.green.offset;
++ real_mode->green_size = var.green.length;
++ real_mode->blue_pos = var.blue.offset;
++ real_mode->blue_size = var.blue.length;
++ real_mode->rsvd_pos = var.transp.offset;
++ real_mode->rsvd_size = var.transp.length;
++ }
++ fprintf(stderr, "%s: %dx%dx%d @ %lx +%lx\n", __FUNCTION__,
++ var.xres, var.yres, var.bits_per_pixel,
++ fix.smem_start, fix.smem_len);
++ return 0;
++
++ out:
++ close(fd);
++ return -1;
++}
++
+ void setup_linux_system_parameters(struct x86_linux_param_header *real_mode)
+ {
+ /* Fill in information the BIOS would usually provide */
+@@ -111,6 +163,7 @@ void setup_linux_system_parameters(struc
+ real_mode->orig_video_ega_bx = 0;
+ real_mode->orig_video_isVGA = 1;
+ real_mode->orig_video_points = 16;
++ setup_linux_vesafb(real_mode);
+
+ /* Fill in the memsize later */
+ real_mode->ext_mem_k = 0;
diff --git a/abs/extra/kexec-tools/kexec.conf.d b/abs/extra/kexec-tools/kexec.conf.d
new file mode 100644
index 0000000..991a7a2
--- /dev/null
+++ b/abs/extra/kexec-tools/kexec.conf.d
@@ -0,0 +1,16 @@
+#
+# Configuration for Kexec
+#
+
+# Path to kernel, default to stock arch kernel
+KPATH="/boot/vmlinuz-linux"
+
+# Root partition
+# The default attempts to autodetect
+ROOTPART="$(awk '/^[ \t]*[^#]/ { if ($2 == "/") { print $1; }}' /etc/fstab)"
+
+# Additional kernel parameters
+KPARAM="ro"
+
+# Path to initrd image, default to stock arch kernel
+INITRD="/boot/initramfs-linux.img"