[PATCH] coreinfo: Add multiboot parsing support

Rename the "coreboot" menu "firmware", and add a module to parse
the multiboot table.  For now, just parse memory, but it can be
expanded as needed.

Signed-off-by: Jordan Crouse <jordan@cosmicpenguin.net>
Acked-by: Peter Stuge <peter@stuge.se>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3744 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Jordan Crouse 2008-11-11 19:53:42 +00:00 committed by Jordan Crouse
parent 6c6e4333c4
commit 5cb4d9d663
4 changed files with 136 additions and 5 deletions

View File

@ -70,6 +70,12 @@ config MODULE_COREBOOT
help
This option will increase the ELF file size by ca. 2250 bytes.
config MODULE_MULTIBOOT
bool "Enable the multiboot module"
default y
help
This option will increase the ELF file size by ca. 1792 bytes.
config MODULE_CPUINFO
bool "Enable the cpuinfo module"
default y

View File

@ -53,7 +53,7 @@ INCLUDES = -Ibuild
CFLAGS := -Wall -Werror -Os $(INCLUDES)
OBJECTS = cpuinfo_module.o cpuid.S.o pci_module.o coreboot_module.o \
nvram_module.o bootlog_module.o ramdump_module.o lar_module.o \
coreinfo.o
multiboot_module.o coreinfo.o
OBJS = $(patsubst %,$(obj)/%,$(OBJECTS))
TARGET = $(obj)/coreinfo.elf

View File

@ -27,6 +27,7 @@
extern struct coreinfo_module cpuinfo_module;
extern struct coreinfo_module pci_module;
extern struct coreinfo_module coreboot_module;
extern struct coreinfo_module multiboot_module;
extern struct coreinfo_module nvram_module;
extern struct coreinfo_module bootlog_module;
extern struct coreinfo_module ramdump_module;
@ -47,10 +48,13 @@ struct coreinfo_module *system_modules[] = {
#endif
};
struct coreinfo_module *coreboot_modules[] = {
struct coreinfo_module *firmware_modules[] = {
#ifdef CONFIG_MODULE_COREBOOT
&coreboot_module,
#endif
#ifdef CONFIG_MODULE_MULTIBOOT
&multiboot_module,
#endif
#ifdef CONFIG_MODULE_BOOTLOG
&bootlog_module,
#endif
@ -71,9 +75,9 @@ struct coreinfo_cat {
.count = ARRAY_SIZE(system_modules),
},
{
.name = "Coreboot",
.modules = coreboot_modules,
.count = ARRAY_SIZE(coreboot_modules),
.name = "Firmware",
.modules = firmware_modules,
.count = ARRAY_SIZE(firmware_modules),
}
};

View File

@ -0,0 +1,121 @@
/*
* This file is part of the coreinfo project.
*
* Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <multiboot_tables.h>
#include "coreinfo.h"
#ifdef CONFIG_MODULE_MULTIBOOT
#define MAX_MEMORY_COUNT 10
static struct {
int mem_count;
struct {
u64 start;
u64 size;
int type;
} range[MAX_MEMORY_COUNT];
} cb_info;
static int tables_good = 0;
int multiboot_module_redraw(WINDOW *win)
{
int row = 2;
int i;
print_module_title(win, "Multiboot Tables");
if (tables_good == 0) {
mvwprintw(win, row++, 1, "No multiboot tables were found");
return 0;
}
row++;
mvwprintw(win, row++, 1, "-- Memory Map --");
for (i = 0; i < cb_info.mem_count; i++) {
if (cb_info.range[i].type == 1)
mvwprintw(win, row++, 3, " RAM: ");
else
mvwprintw(win, row++, 3, "Reserved: ");
wprintw(win, "%16.16llx - %16.16llx",
cb_info.range[i].start,
cb_info.range[i].start + cb_info.range[i].size - 1);
}
return 0;
}
static void parse_memory(struct multiboot_header *table)
{
u8 *start = (u8 *) phys_to_virt(table->mmap_addr);
u8 *ptr = start;
int i = 0;
cb_info.mem_count = 0;
while(ptr < (start + table->mmap_length)) {
struct multiboot_mmap *mmap = (struct multiboot_mmap *) ptr;
cb_info.range[i].start = mmap->addr;
cb_info.range[i].size = mmap->length;
cb_info.range[i].type = mmap->type;
if (++cb_info.mem_count == MAX_MEMORY_COUNT)
return;
ptr += (mmap->size + sizeof(mmap->size));
i++;
}
}
static void parse_header(unsigned long addr)
{
struct multiboot_header *table = (struct multiboot_header *) addr;
if (table->flags & MULTIBOOT_FLAGS_MMAP)
parse_memory(table);
}
static int multiboot_module_init(void)
{
unsigned long mbaddr;
tables_good = sysinfo_have_multiboot(&mbaddr);
parse_header(mbaddr);
return tables_good ? 0 : -1;
}
struct coreinfo_module multiboot_module = {
.name = "Multiboot",
.init = multiboot_module_init,
.redraw = multiboot_module_redraw,
};
#else
struct coreinfo_module multiboot_module = {
};
#endif