|
 |
31004e6 |
From dfb57206eb4beaa16b99e3dc69221d351b29c7c3 Mon Sep 17 00:00:00 2001
|
|
|
31004e6 |
From: Paulo Flabiano Smorigo <pfsmorigo@br.ibm.com>
|
|
|
31004e6 |
Date: Wed, 19 Sep 2012 21:22:55 -0300
|
|
|
f74b50e |
Subject: [PATCH 444/482] Add fw_path variable (revised)
|
|
|
31004e6 |
|
|
|
31004e6 |
This patch makes grub look for its config file on efi where the app was
|
|
|
31004e6 |
found. It was originally written by Matthew Garrett, and adapted to fix the
|
|
|
31004e6 |
"No modules are loaded on grub2 network boot" issue:
|
|
|
31004e6 |
|
|
|
31004e6 |
https://bugzilla.redhat.com/show_bug.cgi?id=857936
|
|
|
31004e6 |
---
|
|
|
31004e6 |
grub-core/kern/main.c | 16 ++++++++++++++--
|
|
|
31004e6 |
grub-core/normal/main.c | 25 ++++++++++++++++++++++++-
|
|
|
31004e6 |
2 files changed, 38 insertions(+), 3 deletions(-)
|
|
|
31004e6 |
|
|
|
31004e6 |
diff --git a/grub-core/kern/main.c b/grub-core/kern/main.c
|
|
|
31004e6 |
index 19dc988..8ab7794 100644
|
|
|
31004e6 |
--- a/grub-core/kern/main.c
|
|
|
31004e6 |
+++ b/grub-core/kern/main.c
|
|
|
31004e6 |
@@ -125,6 +125,20 @@ grub_set_prefix_and_root (void)
|
|
|
31004e6 |
|
|
|
31004e6 |
grub_register_variable_hook ("root", 0, grub_env_write_root);
|
|
|
31004e6 |
|
|
|
31004e6 |
+ grub_machine_get_bootlocation (&fwdevice, &fwpath);
|
|
|
31004e6 |
+
|
|
|
31004e6 |
+ if (fwdevice && fwpath)
|
|
|
31004e6 |
+ {
|
|
|
31004e6 |
+ char *fw_path;
|
|
|
31004e6 |
+
|
|
|
31004e6 |
+ fw_path = grub_xasprintf ("(%s)/%s", fwdevice, fwpath);
|
|
|
31004e6 |
+ if (fw_path)
|
|
|
31004e6 |
+ {
|
|
|
31004e6 |
+ grub_env_set ("fw_path", fw_path);
|
|
|
31004e6 |
+ grub_free (fw_path);
|
|
|
31004e6 |
+ }
|
|
|
31004e6 |
+ }
|
|
|
31004e6 |
+
|
|
|
31004e6 |
if (prefix)
|
|
|
31004e6 |
{
|
|
|
31004e6 |
char *pptr = NULL;
|
|
|
31004e6 |
@@ -142,8 +156,6 @@ grub_set_prefix_and_root (void)
|
|
|
31004e6 |
if (pptr[0])
|
|
|
31004e6 |
path = grub_strdup (pptr);
|
|
|
31004e6 |
}
|
|
|
31004e6 |
- if ((!device || device[0] == ',' || !device[0]) || !path)
|
|
|
31004e6 |
- grub_machine_get_bootlocation (&fwdevice, &fwpath);
|
|
|
31004e6 |
|
|
|
31004e6 |
if (!device && fwdevice)
|
|
|
31004e6 |
device = fwdevice;
|
|
|
31004e6 |
diff --git a/grub-core/normal/main.c b/grub-core/normal/main.c
|
|
|
31004e6 |
index ffc2cd2..a1d5589 100644
|
|
|
31004e6 |
--- a/grub-core/normal/main.c
|
|
|
31004e6 |
+++ b/grub-core/normal/main.c
|
|
|
31004e6 |
@@ -355,7 +355,30 @@ grub_cmd_normal (struct grub_command *cmd __attribute__ ((unused)),
|
|
|
31004e6 |
/* Guess the config filename. It is necessary to make CONFIG static,
|
|
|
31004e6 |
so that it won't get broken by longjmp. */
|
|
|
31004e6 |
char *config;
|
|
|
31004e6 |
- const char *prefix;
|
|
|
31004e6 |
+ const char *prefix, *fw_path;
|
|
|
31004e6 |
+
|
|
|
31004e6 |
+ fw_path = grub_env_get ("fw_path");
|
|
|
31004e6 |
+ if (fw_path)
|
|
|
31004e6 |
+ {
|
|
|
31004e6 |
+ config = grub_xasprintf ("%s/grub.cfg", fw_path);
|
|
|
31004e6 |
+ if (config)
|
|
|
31004e6 |
+ {
|
|
|
31004e6 |
+ grub_file_t file;
|
|
|
31004e6 |
+
|
|
|
31004e6 |
+ file = grub_file_open (config);
|
|
|
31004e6 |
+ if (file)
|
|
|
31004e6 |
+ {
|
|
|
31004e6 |
+ grub_file_close (file);
|
|
|
31004e6 |
+ grub_enter_normal_mode (config);
|
|
|
31004e6 |
+ }
|
|
|
31004e6 |
+ else
|
|
|
31004e6 |
+ {
|
|
|
31004e6 |
+ /* Ignore all errors. */
|
|
|
31004e6 |
+ grub_errno = 0;
|
|
|
31004e6 |
+ }
|
|
|
31004e6 |
+ grub_free (config);
|
|
|
31004e6 |
+ }
|
|
|
31004e6 |
+ }
|
|
|
31004e6 |
|
|
|
31004e6 |
prefix = grub_env_get ("prefix");
|
|
|
31004e6 |
if (prefix)
|
|
|
31004e6 |
--
|
|
|
31004e6 |
1.8.2.1
|
|
|
31004e6 |
|