grub2/grub-2.00-add-fw_path-search.patch
2012-05-21 16:29:26 -04:00

79 lines
2.0 KiB
Diff

From d829d54d0f461c7bc6a7d8bd549cfdacfac51082 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Mon, 21 May 2012 14:36:39 -0400
Subject: [PATCH] Add fw_path variable
---
grub-core/kern/main.c | 16 ++++++++++++++--
grub-core/normal/main.c | 20 +++++++++++++++++++-
2 files changed, 33 insertions(+), 3 deletions(-)
diff --git a/grub-core/kern/main.c b/grub-core/kern/main.c
index 185230c..26481c6 100644
--- a/grub-core/kern/main.c
+++ b/grub-core/kern/main.c
@@ -114,6 +114,20 @@ grub_set_prefix_and_root (void)
grub_register_variable_hook ("root", 0, grub_env_write_root);
+ grub_machine_get_bootlocation (&fwdevice, &fwpath);
+
+ if (fwdevice && fwpath)
+ {
+ char *fw_path;
+
+ fw_path = grub_xasprintf ("(%s)/%s", fwdevice, fwpath);
+ if (fw_path)
+ {
+ grub_env_set ("fw_path", fw_path);
+ grub_free (fw_path);
+ }
+ }
+
if (prefix)
{
char *pptr = NULL;
@@ -131,8 +145,6 @@ grub_set_prefix_and_root (void)
if (pptr[0])
path = grub_strdup (pptr);
}
- if ((!device || device[0] == ',' || !device[0]) || !path)
- grub_machine_get_bootlocation (&fwdevice, &fwpath);
if (!device && fwdevice)
device = fwdevice;
diff --git a/grub-core/normal/main.c b/grub-core/normal/main.c
index 1963fe4..64c2a9f 100644
--- a/grub-core/normal/main.c
+++ b/grub-core/normal/main.c
@@ -309,7 +309,25 @@ grub_cmd_normal (struct grub_command *cmd __attribute__ ((unused)),
/* Guess the config filename. It is necessary to make CONFIG static,
so that it won't get broken by longjmp. */
char *config;
- const char *prefix;
+ const char *prefix, *fw_path;
+
+ fw_path = grub_env_get ("fw_path");
+ if (fw_path)
+ {
+ config = grub_xasprintf ("%s/grub.cfg", fw_path);
+ if (config)
+ {
+ grub_file_t file;
+
+ file = grub_file_open (config);
+ if (file)
+ {
+ grub_file_close (file);
+ grub_enter_normal_mode (config);
+ }
+ grub_free (config);
+ }
+ }
prefix = grub_env_get ("prefix");
if (prefix)
--
1.7.10.2