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9d784831ea
- Increase device path size for ieee1275 Resolves: rhbz#857936 - Make network booting work on ieee1275 machines. Resolves: rhbz#857936
88 lines
2.5 KiB
Diff
88 lines
2.5 KiB
Diff
From 40d6b00fa48ae9c1cecf143da5c6061f6ffcb719 Mon Sep 17 00:00:00 2001
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From: Paulo Flabiano Smorigo <pfsmorigo@br.ibm.com>
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Date: Wed, 19 Sep 2012 21:22:55 -0300
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Subject: [PATCH] Add fw_path variable (revised)
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This patch makes grub look for its config file on efi where the app was
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found. It was originally written by Matthew Garrett, and adapted to fix the
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"No modules are loaded on grub2 network boot" issue:
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https://bugzilla.redhat.com/show_bug.cgi?id=857936
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---
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grub-core/kern/main.c | 16 ++++++++++++++--
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grub-core/normal/main.c | 25 ++++++++++++++++++++++++-
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2 files changed, 38 insertions(+), 3 deletions(-)
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diff --git a/grub-core/kern/main.c b/grub-core/kern/main.c
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index 3262444..820fd66 100644
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--- a/grub-core/kern/main.c
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+++ b/grub-core/kern/main.c
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@@ -114,6 +114,20 @@ grub_set_prefix_and_root (void)
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grub_register_variable_hook ("root", 0, grub_env_write_root);
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+ grub_machine_get_bootlocation (&fwdevice, &fwpath);
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+
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+ if (fwdevice && fwpath)
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+ {
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+ char *fw_path;
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+
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+ fw_path = grub_xasprintf ("(%s)/%s", fwdevice, fwpath);
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+ if (fw_path)
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+ {
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+ grub_env_set ("fw_path", fw_path);
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+ grub_free (fw_path);
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+ }
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+ }
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+
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if (prefix)
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{
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char *pptr = NULL;
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@@ -131,8 +145,6 @@ grub_set_prefix_and_root (void)
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if (pptr[0])
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path = grub_strdup (pptr);
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}
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- if ((!device || device[0] == ',' || !device[0]) || !path)
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- grub_machine_get_bootlocation (&fwdevice, &fwpath);
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if (!device && fwdevice)
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device = fwdevice;
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diff --git a/grub-core/normal/main.c b/grub-core/normal/main.c
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index 13473ec..39bb734 100644
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--- a/grub-core/normal/main.c
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+++ b/grub-core/normal/main.c
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@@ -333,7 +333,30 @@ grub_cmd_normal (struct grub_command *cmd __attribute__ ((unused)),
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/* Guess the config filename. It is necessary to make CONFIG static,
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so that it won't get broken by longjmp. */
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char *config;
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- const char *prefix;
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+ const char *prefix, *fw_path;
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+
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+ fw_path = grub_env_get ("fw_path");
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+ if (fw_path)
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+ {
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+ config = grub_xasprintf ("%s/grub.cfg", fw_path);
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+ if (config)
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+ {
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+ grub_file_t file;
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+
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+ file = grub_file_open (config);
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+ if (file)
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+ {
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+ grub_file_close (file);
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+ grub_enter_normal_mode (config);
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+ }
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+ else
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+ {
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+ /* Ignore all errors. */
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+ grub_errno = 0;
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+ }
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+ grub_free (config);
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+ }
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+ }
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prefix = grub_env_get ("prefix");
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if (prefix)
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--
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1.7.10.4
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