diff options
Diffstat (limited to 'debian/patches/gfxpayload-dynamic.patch')
| -rw-r--r-- | debian/patches/gfxpayload-dynamic.patch | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/debian/patches/gfxpayload-dynamic.patch b/debian/patches/gfxpayload-dynamic.patch new file mode 100644 index 0000000..b0a19b3 --- /dev/null +++ b/debian/patches/gfxpayload-dynamic.patch @@ -0,0 +1,290 @@ +From bc7f762a1d253537eb524946884b0f3e50a419f0 Mon Sep 17 00:00:00 2001 +From: Evan Broder <evan@ebroder.net> +Date: Mon, 13 Jan 2014 12:13:29 +0000 +Subject: Add configure option to enable gfxpayload=keep dynamically + +Set GRUB_GFXPAYLOAD_LINUX=keep unless it's known to be unsupported on +the current hardware. See +https://blueprints.launchpad.net/ubuntu/+spec/packageselection-foundations-n-grub2-boot-framebuffer. + +Author: Colin Watson <cjwatson@ubuntu.com> +Forwarded: no +Last-Update: 2019-05-25 + +Patch-Name: gfxpayload-dynamic.patch +--- + configure.ac | 11 ++ + grub-core/Makefile.core.def | 8 ++ + grub-core/commands/i386/pc/hwmatch.c | 146 +++++++++++++++++++++++++++ + include/grub/file.h | 1 + + util/grub.d/10_linux.in | 37 ++++++- + 5 files changed, 200 insertions(+), 3 deletions(-) + create mode 100644 grub-core/commands/i386/pc/hwmatch.c + +diff --git a/configure.ac b/configure.ac +index c42e4c784..947fd529f 100644 +--- a/configure.ac ++++ b/configure.ac +@@ -1937,6 +1937,17 @@ else + fi + AC_SUBST([QUICK_BOOT]) + ++AC_ARG_ENABLE([gfxpayload-dynamic], ++ [AS_HELP_STRING([--enable-gfxpayload-dynamic], ++ [use GRUB_GFXPAYLOAD_LINUX=keep unless explicitly unsupported on current hardware (default=no)])], ++ [], [enable_gfxpayload_dynamic=no]) ++if test x"$enable_gfxpayload_dynamic" = xyes ; then ++ GFXPAYLOAD_DYNAMIC=1 ++else ++ GFXPAYLOAD_DYNAMIC=0 ++fi ++AC_SUBST([GFXPAYLOAD_DYNAMIC]) ++ + LIBS="" + + AC_SUBST([FONT_SOURCE]) +diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def +index e5b3d27f5..2ff266806 100644 +--- a/grub-core/Makefile.core.def ++++ b/grub-core/Makefile.core.def +@@ -964,6 +964,14 @@ module = { + common = lib/hexdump.c; + }; + ++module = { ++ name = hwmatch; ++ i386_pc = commands/i386/pc/hwmatch.c; ++ enable = i386_pc; ++ cflags = '$(CFLAGS_POSIX) $(CFLAGS_GNULIB)'; ++ cppflags = '$(CPPFLAGS_POSIX) $(CPPFLAGS_GNULIB)'; ++}; ++ + module = { + name = keystatus; + common = commands/keystatus.c; +diff --git a/grub-core/commands/i386/pc/hwmatch.c b/grub-core/commands/i386/pc/hwmatch.c +new file mode 100644 +index 000000000..6de07cecc +--- /dev/null ++++ b/grub-core/commands/i386/pc/hwmatch.c +@@ -0,0 +1,146 @@ ++/* hwmatch.c - Match hardware against a whitelist/blacklist. */ ++/* ++ * GRUB -- GRand Unified Bootloader ++ * Copyright (C) 2011 Free Software Foundation, Inc. ++ * ++ * GRUB is free software: you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation, either version 3 of the License, or ++ * (at your option) any later version. ++ * ++ * GRUB 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 General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with GRUB. If not, see <http://www.gnu.org/licenses/>. ++ */ ++ ++#include <grub/dl.h> ++#include <grub/misc.h> ++#include <grub/command.h> ++#include <grub/pci.h> ++#include <grub/normal.h> ++#include <grub/file.h> ++#include <grub/env.h> ++#include <grub/i18n.h> ++#include <regex.h> ++ ++GRUB_MOD_LICENSE ("GPLv3+"); ++ ++/* Context for grub_cmd_hwmatch. */ ++struct hwmatch_ctx ++{ ++ grub_file_t matches_file; ++ int class_match; ++ int match; ++}; ++ ++/* Helper for grub_cmd_hwmatch. */ ++static int ++hwmatch_iter (grub_pci_device_t dev, grub_pci_id_t pciid, void *data) ++{ ++ struct hwmatch_ctx *ctx = data; ++ grub_pci_address_t addr; ++ grub_uint32_t class, baseclass, vendor, device; ++ grub_pci_id_t subpciid; ++ grub_uint32_t subvendor, subdevice, subclass; ++ char *id, *line; ++ ++ addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS); ++ class = grub_pci_read (addr); ++ baseclass = class >> 24; ++ ++ if (ctx->class_match != baseclass) ++ return 0; ++ ++ vendor = pciid & 0xffff; ++ device = pciid >> 16; ++ ++ addr = grub_pci_make_address (dev, GRUB_PCI_REG_SUBVENDOR); ++ subpciid = grub_pci_read (addr); ++ ++ subclass = (class >> 16) & 0xff; ++ subvendor = subpciid & 0xffff; ++ subdevice = subpciid >> 16; ++ ++ id = grub_xasprintf ("v%04xd%04xsv%04xsd%04xbc%02xsc%02x", ++ vendor, device, subvendor, subdevice, ++ baseclass, subclass); ++ ++ grub_file_seek (ctx->matches_file, 0); ++ while ((line = grub_file_getline (ctx->matches_file)) != NULL) ++ { ++ char *anchored_line; ++ regex_t regex; ++ int ret; ++ ++ if (! *line || *line == '#') ++ { ++ grub_free (line); ++ continue; ++ } ++ ++ anchored_line = grub_xasprintf ("^%s$", line); ++ ret = regcomp (®ex, anchored_line, REG_EXTENDED | REG_NOSUB); ++ grub_free (anchored_line); ++ if (ret) ++ { ++ grub_free (line); ++ continue; ++ } ++ ++ ret = regexec (®ex, id, 0, NULL, 0); ++ regfree (®ex); ++ grub_free (line); ++ if (! ret) ++ { ++ ctx->match = 1; ++ return 1; ++ } ++ } ++ ++ return 0; ++} ++ ++static grub_err_t ++grub_cmd_hwmatch (grub_command_t cmd __attribute__ ((unused)), ++ int argc, char **args) ++{ ++ struct hwmatch_ctx ctx = { .match = 0 }; ++ char *match_str; ++ ++ if (argc < 2) ++ return grub_error (GRUB_ERR_BAD_ARGUMENT, "list file and class required"); ++ ++ ctx.matches_file = grub_file_open (args[0], GRUB_FILE_TYPE_HWMATCH); ++ if (! ctx.matches_file) ++ return grub_errno; ++ ++ ctx.class_match = grub_strtol (args[1], 0, 10); ++ ++ grub_pci_iterate (hwmatch_iter, &ctx); ++ ++ match_str = grub_xasprintf ("%d", ctx.match); ++ grub_env_set ("match", match_str); ++ grub_free (match_str); ++ ++ grub_file_close (ctx.matches_file); ++ ++ return GRUB_ERR_NONE; ++} ++ ++static grub_command_t cmd; ++ ++GRUB_MOD_INIT(hwmatch) ++{ ++ cmd = grub_register_command ("hwmatch", grub_cmd_hwmatch, ++ N_("MATCHES-FILE CLASS"), ++ N_("Match PCI devices.")); ++} ++ ++GRUB_MOD_FINI(hwmatch) ++{ ++ grub_unregister_command (cmd); ++} +diff --git a/include/grub/file.h b/include/grub/file.h +index 31567483c..e3c4cae2b 100644 +--- a/include/grub/file.h ++++ b/include/grub/file.h +@@ -122,6 +122,7 @@ enum grub_file_type + GRUB_FILE_TYPE_FS_SEARCH, + GRUB_FILE_TYPE_AUDIO, + GRUB_FILE_TYPE_VBE_DUMP, ++ GRUB_FILE_TYPE_HWMATCH, + + GRUB_FILE_TYPE_LOADENV, + GRUB_FILE_TYPE_SAVEENV, +diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in +index 80315a31b..d46d7852b 100644 +--- a/util/grub.d/10_linux.in ++++ b/util/grub.d/10_linux.in +@@ -23,6 +23,7 @@ datarootdir="@datarootdir@" + ubuntu_recovery="@UBUNTU_RECOVERY@" + quiet_boot="@QUIET_BOOT@" + quick_boot="@QUICK_BOOT@" ++gfxpayload_dynamic="@GFXPAYLOAD_DYNAMIC@" + + . "$pkgdatadir/grub-mkconfig_lib" + +@@ -145,9 +146,10 @@ linux_entry () + if [ "x$GRUB_GFXPAYLOAD_LINUX" != xtext ]; then + echo " load_video" | sed "s/^/$submenu_indentation/" + fi +- if [ "$ubuntu_recovery" = 0 ] || [ x$type != xrecovery ]; then +- echo " set gfxpayload=$GRUB_GFXPAYLOAD_LINUX" | sed "s/^/$submenu_indentation/" +- fi ++ fi ++ if ([ "$ubuntu_recovery" = 0 ] || [ x$type != xrecovery ]) && \ ++ ([ "x$GRUB_GFXPAYLOAD_LINUX" != x ] || [ "$gfxpayload_dynamic" = 1 ]); then ++ echo " set gfxpayload=\$linux_gfx_mode" | sed "s/^/$submenu_indentation/" + fi + + echo " insmod gzio" | sed "s/^/$submenu_indentation/" +@@ -226,6 +228,35 @@ prepare_root_cache= + boot_device_id= + title_correction_code= + ++# Use ELILO's generic "efifb" when it's known to be available. ++# FIXME: We need an interface to select vesafb in case efifb can't be used. ++if [ "x$GRUB_GFXPAYLOAD_LINUX" != x ] || [ "$gfxpayload_dynamic" = 0 ]; then ++ echo "set linux_gfx_mode=$GRUB_GFXPAYLOAD_LINUX" ++else ++ cat << EOF ++if [ "\${recordfail}" != 1 ]; then ++ if [ -e \${prefix}/gfxblacklist.txt ]; then ++ if hwmatch \${prefix}/gfxblacklist.txt 3; then ++ if [ \${match} = 0 ]; then ++ set linux_gfx_mode=keep ++ else ++ set linux_gfx_mode=text ++ fi ++ else ++ set linux_gfx_mode=text ++ fi ++ else ++ set linux_gfx_mode=keep ++ fi ++else ++ set linux_gfx_mode=text ++fi ++EOF ++fi ++cat << EOF ++export linux_gfx_mode ++EOF ++ + # Extra indentation to add to menu entries in a submenu. We're not in a submenu + # yet, so it's empty. In a submenu it will be equal to '\t' (one tab). + submenu_indentation="" |