mirror of
https://src.fedoraproject.org/rpms/grub2.git
synced 2024-12-01 08:49:52 +00:00
127 lines
4.5 KiB
Diff
127 lines
4.5 KiB
Diff
From 186c206f29e4ce0c6645c51dd477a8ce93952d51 Mon Sep 17 00:00:00 2001
|
|
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
|
|
Date: Mon, 25 Mar 2013 10:23:04 +0100
|
|
Subject: [PATCH 232/471] Replace the region at 0 from coreboot tables
|
|
to available in BSD memory map.
|
|
|
|
---
|
|
ChangeLog | 5 +++++
|
|
grub-core/commands/lsmmap.c | 1 +
|
|
grub-core/kern/i386/coreboot/mmap.c | 6 +++++-
|
|
grub-core/loader/i386/bsd.c | 13 +++++++++++--
|
|
grub-core/mmap/mmap.c | 1 +
|
|
include/grub/memory.h | 1 +
|
|
6 files changed, 24 insertions(+), 3 deletions(-)
|
|
|
|
diff --git a/ChangeLog b/ChangeLog
|
|
index 981991b..8425aff 100644
|
|
--- a/ChangeLog
|
|
+++ b/ChangeLog
|
|
@@ -1,3 +1,8 @@
|
|
+2013-03-25 Vladimir Serbinenko <phcoder@gmail.com>
|
|
+
|
|
+ Replace the region at 0 from coreboot tables to available in BSD
|
|
+ memory map.
|
|
+
|
|
2013-03-24 Vladimir Serbinenko <phcoder@gmail.com>
|
|
|
|
* util/grub.d/20_linux_xen.in: Automatically add no-real-mode edd=off on
|
|
diff --git a/grub-core/commands/lsmmap.c b/grub-core/commands/lsmmap.c
|
|
index c1a05d8..0d29855 100644
|
|
--- a/grub-core/commands/lsmmap.c
|
|
+++ b/grub-core/commands/lsmmap.c
|
|
@@ -37,6 +37,7 @@ static const char *names[] =
|
|
is required to save accross hibernations. */
|
|
[GRUB_MEMORY_NVS] = N_("ACPI non-volatile storage RAM"),
|
|
[GRUB_MEMORY_BADRAM] = N_("faulty RAM (BadRAM)"),
|
|
+ [GRUB_MEMORY_COREBOOT_TABLES] = N_("RAM holding coreboot tables"),
|
|
[GRUB_MEMORY_CODE] = N_("RAM holding firmware code"),
|
|
[GRUB_MEMORY_HOLE] = N_("Address range not associated with RAM")
|
|
};
|
|
diff --git a/grub-core/kern/i386/coreboot/mmap.c b/grub-core/kern/i386/coreboot/mmap.c
|
|
index 6a14d29..0aade62 100644
|
|
--- a/grub-core/kern/i386/coreboot/mmap.c
|
|
+++ b/grub-core/kern/i386/coreboot/mmap.c
|
|
@@ -86,6 +86,8 @@ struct grub_machine_mmap_iterate_ctx
|
|
void *hook_data;
|
|
};
|
|
|
|
+#define GRUB_MACHINE_MEMORY_BADRAM 5
|
|
+
|
|
/* Helper for grub_machine_mmap_iterate. */
|
|
static int
|
|
iterate_linuxbios_table (grub_linuxbios_table_item_t table_item, void *data)
|
|
@@ -105,7 +107,9 @@ iterate_linuxbios_table (grub_linuxbios_table_item_t table_item, void *data)
|
|
/* Multiboot mmaps match with the coreboot mmap
|
|
definition. Therefore, we can just pass type
|
|
through. */
|
|
- mem_region->type, ctx->hook_data))
|
|
+ (((mem_region->type <= GRUB_MACHINE_MEMORY_BADRAM) && (mem_region->type >= GRUB_MACHINE_MEMORY_AVAILABLE))
|
|
+ || mem_region->type == GRUB_MEMORY_COREBOOT_TABLES) ? mem_region->type : GRUB_MEMORY_RESERVED,
|
|
+ ctx->hook_data))
|
|
return 1;
|
|
|
|
mem_region++;
|
|
diff --git a/grub-core/loader/i386/bsd.c b/grub-core/loader/i386/bsd.c
|
|
index e89ec26..5fe586f 100644
|
|
--- a/grub-core/loader/i386/bsd.c
|
|
+++ b/grub-core/loader/i386/bsd.c
|
|
@@ -268,6 +268,7 @@ struct grub_e820_mmap
|
|
#define GRUB_E820_ACPI 3
|
|
#define GRUB_E820_NVS 4
|
|
#define GRUB_E820_BADRAM 5
|
|
+#define GRUB_E820_COREBOOT_TABLES 0x10
|
|
|
|
/* Context for generate_e820_mmap. */
|
|
struct generate_e820_mmap_ctx
|
|
@@ -299,13 +300,21 @@ generate_e820_mmap_iter (grub_uint64_t addr, grub_uint64_t size,
|
|
case GRUB_MEMORY_NVS:
|
|
ctx->cur.type = GRUB_E820_NVS;
|
|
break;
|
|
-
|
|
+ case GRUB_MEMORY_COREBOOT_TABLES:
|
|
+ /* Nowadays the tables at 0 don't contain anything important but
|
|
+ *BSD needs the memory at 0 for own needs.
|
|
+ */
|
|
+ if (addr == 0)
|
|
+ ctx->cur.type = GRUB_E820_RAM;
|
|
+ else
|
|
+ ctx->cur.type = GRUB_E820_COREBOOT_TABLES;
|
|
+ break;
|
|
default:
|
|
case GRUB_MEMORY_CODE:
|
|
case GRUB_MEMORY_RESERVED:
|
|
ctx->cur.type = GRUB_E820_RESERVED;
|
|
break;
|
|
- }
|
|
+ }
|
|
|
|
/* Merge regions if possible. */
|
|
if (ctx->count && ctx->cur.type == ctx->prev.type
|
|
diff --git a/grub-core/mmap/mmap.c b/grub-core/mmap/mmap.c
|
|
index 40ffb2e..d8bd8d2 100644
|
|
--- a/grub-core/mmap/mmap.c
|
|
+++ b/grub-core/mmap/mmap.c
|
|
@@ -47,6 +47,7 @@ static const int priority[] =
|
|
[GRUB_MEMORY_AVAILABLE] = 1,
|
|
[GRUB_MEMORY_RESERVED] = 3,
|
|
[GRUB_MEMORY_ACPI] = 2,
|
|
+ [GRUB_MEMORY_COREBOOT_TABLES] = 2,
|
|
[GRUB_MEMORY_CODE] = 3,
|
|
[GRUB_MEMORY_NVS] = 3,
|
|
[GRUB_MEMORY_HOLE] = 4,
|
|
diff --git a/include/grub/memory.h b/include/grub/memory.h
|
|
index 3311fcb..0df8074 100644
|
|
--- a/include/grub/memory.h
|
|
+++ b/include/grub/memory.h
|
|
@@ -30,6 +30,7 @@ typedef enum grub_memory_type
|
|
GRUB_MEMORY_ACPI = 3,
|
|
GRUB_MEMORY_NVS = 4,
|
|
GRUB_MEMORY_BADRAM = 5,
|
|
+ GRUB_MEMORY_COREBOOT_TABLES = 16,
|
|
GRUB_MEMORY_CODE = 20,
|
|
/* This one is special: it's used internally but is never reported
|
|
by firmware. */
|
|
--
|
|
1.8.2.1
|
|
|