mirror of
https://src.fedoraproject.org/rpms/grub2.git
synced 2024-11-24 14:32:58 +00:00
160 lines
4.5 KiB
Diff
160 lines
4.5 KiB
Diff
From afa175e51f263d3090d1ba078bed97c7204ed986 Mon Sep 17 00:00:00 2001
|
|
From: Andrey Borzenkov <arvidjaar@gmail.com>
|
|
Date: Mon, 25 Feb 2013 22:11:06 +0100
|
|
Subject: [PATCH 157/482] * Makefile.util.def: Add partmap/msdos.c to
|
|
common library. * include/grub/msdos_partition.h: Add
|
|
GRUB_PC_PARTITION_TYPE_LDM * grub-core/disk/ldm.c: Check for existence of
|
|
GRUB_PC_PARTITION_TYPE_LDM.
|
|
|
|
---
|
|
ChangeLog | 7 +++++++
|
|
Makefile.util.def | 2 +-
|
|
grub-core/disk/ldm.c | 42 ++++++++++++++++++++++++++++++++++++++++--
|
|
include/grub/msdos_partition.h | 1 +
|
|
4 files changed, 49 insertions(+), 3 deletions(-)
|
|
|
|
diff --git a/ChangeLog b/ChangeLog
|
|
index ff5a558..107c049 100644
|
|
--- a/ChangeLog
|
|
+++ b/ChangeLog
|
|
@@ -1,3 +1,10 @@
|
|
+2013-02-25 Andrey Borzenkov <arvidjaar@gmail.com>
|
|
+
|
|
+ * Makefile.util.def: Add partmap/msdos.c to common library.
|
|
+ * include/grub/msdos_partition.h: Add GRUB_PC_PARTITION_TYPE_LDM
|
|
+ * grub-core/disk/ldm.c: Check for existence of
|
|
+ GRUB_PC_PARTITION_TYPE_LDM.
|
|
+
|
|
2013-02-25 Vladimir Serbinenko <phcoder@gmail.com>
|
|
|
|
* grub-core/normal/misc.c (grub_normal_print_device_info): Use KiB to display
|
|
diff --git a/Makefile.util.def b/Makefile.util.def
|
|
index 3ee5e4e..1ccf390 100644
|
|
--- a/Makefile.util.def
|
|
+++ b/Makefile.util.def
|
|
@@ -32,6 +32,7 @@ library = {
|
|
common = grub-core/disk/ldm.c;
|
|
common = grub-core/disk/diskfilter.c;
|
|
common = grub-core/partmap/gpt.c;
|
|
+ common = grub-core/partmap/msdos.c;
|
|
};
|
|
|
|
library = {
|
|
@@ -110,7 +111,6 @@ library = {
|
|
common = grub-core/partmap/acorn.c;
|
|
common = grub-core/partmap/amiga.c;
|
|
common = grub-core/partmap/apple.c;
|
|
- common = grub-core/partmap/msdos.c;
|
|
common = grub-core/partmap/sun.c;
|
|
common = grub-core/partmap/plan.c;
|
|
common = grub-core/partmap/dvh.c;
|
|
diff --git a/grub-core/disk/ldm.c b/grub-core/disk/ldm.c
|
|
index b92433d..a2e26b2 100644
|
|
--- a/grub-core/disk/ldm.c
|
|
+++ b/grub-core/disk/ldm.c
|
|
@@ -22,6 +22,7 @@
|
|
#include <grub/err.h>
|
|
#include <grub/misc.h>
|
|
#include <grub/diskfilter.h>
|
|
+#include <grub/msdos_partition.h>
|
|
#include <grub/gpt_partition.h>
|
|
#include <grub/i18n.h>
|
|
|
|
@@ -103,6 +104,37 @@ read_int (grub_uint8_t *in, grub_size_t s)
|
|
return ret;
|
|
}
|
|
|
|
+static int
|
|
+check_ldm_partition (grub_disk_t disk __attribute__ ((unused)), const grub_partition_t p, void *data)
|
|
+{
|
|
+ int *has_ldm = data;
|
|
+
|
|
+ if (p->number >= 4)
|
|
+ return 1;
|
|
+ if (p->msdostype == GRUB_PC_PARTITION_TYPE_LDM)
|
|
+ {
|
|
+ *has_ldm = 1;
|
|
+ return 1;
|
|
+ }
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int
|
|
+msdos_has_ldm_partition (grub_disk_t dsk)
|
|
+{
|
|
+ grub_err_t err;
|
|
+ int has_ldm = 0;
|
|
+
|
|
+ err = grub_partition_msdos_iterate (dsk, check_ldm_partition, &has_ldm);
|
|
+ if (err)
|
|
+ {
|
|
+ grub_errno = GRUB_ERR_NONE;
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
+ return has_ldm;
|
|
+}
|
|
+
|
|
static const grub_gpt_part_type_t ldm_type = GRUB_GPT_PARTITION_TYPE_LDM;
|
|
|
|
/* Helper for gpt_ldm_sector. */
|
|
@@ -760,17 +792,20 @@ grub_ldm_detect (grub_disk_t disk,
|
|
|
|
{
|
|
int i;
|
|
+ int has_ldm = msdos_has_ldm_partition (disk);
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
grub_disk_addr_t sector = LDM_LABEL_SECTOR;
|
|
switch (i)
|
|
{
|
|
case 0:
|
|
+ if (!has_ldm)
|
|
+ continue;
|
|
sector = LDM_LABEL_SECTOR;
|
|
break;
|
|
case 1:
|
|
/* LDM is never inside a partition. */
|
|
- if (disk->partition)
|
|
+ if (!has_ldm || disk->partition)
|
|
continue;
|
|
sector = grub_disk_get_size (disk);
|
|
if (sector == GRUB_DISK_SIZE_UNKNOWN)
|
|
@@ -871,6 +906,7 @@ int
|
|
grub_util_is_ldm (grub_disk_t disk)
|
|
{
|
|
int i;
|
|
+ int has_ldm = msdos_has_ldm_partition (disk);
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
grub_disk_addr_t sector = LDM_LABEL_SECTOR;
|
|
@@ -880,11 +916,13 @@ grub_util_is_ldm (grub_disk_t disk)
|
|
switch (i)
|
|
{
|
|
case 0:
|
|
+ if (!has_ldm)
|
|
+ continue;
|
|
sector = LDM_LABEL_SECTOR;
|
|
break;
|
|
case 1:
|
|
/* LDM is never inside a partition. */
|
|
- if (disk->partition)
|
|
+ if (!has_ldm || disk->partition)
|
|
continue;
|
|
sector = grub_disk_get_size (disk);
|
|
if (sector == GRUB_DISK_SIZE_UNKNOWN)
|
|
diff --git a/include/grub/msdos_partition.h b/include/grub/msdos_partition.h
|
|
index 1e9b65e..92f8539 100644
|
|
--- a/include/grub/msdos_partition.h
|
|
+++ b/include/grub/msdos_partition.h
|
|
@@ -43,6 +43,7 @@
|
|
#define GRUB_PC_PARTITION_TYPE_FAT16_LBA 0xe
|
|
#define GRUB_PC_PARTITION_TYPE_WIN95_EXTENDED 0xf
|
|
#define GRUB_PC_PARTITION_TYPE_PLAN9 0x39
|
|
+#define GRUB_PC_PARTITION_TYPE_LDM 0x42
|
|
#define GRUB_PC_PARTITION_TYPE_EZD 0x55
|
|
#define GRUB_PC_PARTITION_TYPE_MINIX 0x80
|
|
#define GRUB_PC_PARTITION_TYPE_LINUX_MINIX 0x81
|
|
--
|
|
1.8.2.1
|
|
|