5cb4d9d663
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
122 lines
2.7 KiB
C
122 lines
2.7 KiB
C
/*
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* This file is part of the coreinfo project.
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*
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* Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <multiboot_tables.h>
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#include "coreinfo.h"
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#ifdef CONFIG_MODULE_MULTIBOOT
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#define MAX_MEMORY_COUNT 10
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static struct {
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int mem_count;
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struct {
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u64 start;
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u64 size;
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int type;
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} range[MAX_MEMORY_COUNT];
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} cb_info;
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static int tables_good = 0;
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int multiboot_module_redraw(WINDOW *win)
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{
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int row = 2;
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int i;
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print_module_title(win, "Multiboot Tables");
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if (tables_good == 0) {
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mvwprintw(win, row++, 1, "No multiboot tables were found");
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return 0;
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}
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row++;
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mvwprintw(win, row++, 1, "-- Memory Map --");
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for (i = 0; i < cb_info.mem_count; i++) {
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if (cb_info.range[i].type == 1)
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mvwprintw(win, row++, 3, " RAM: ");
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else
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mvwprintw(win, row++, 3, "Reserved: ");
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wprintw(win, "%16.16llx - %16.16llx",
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cb_info.range[i].start,
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cb_info.range[i].start + cb_info.range[i].size - 1);
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}
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return 0;
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}
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static void parse_memory(struct multiboot_header *table)
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{
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u8 *start = (u8 *) phys_to_virt(table->mmap_addr);
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u8 *ptr = start;
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int i = 0;
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cb_info.mem_count = 0;
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while(ptr < (start + table->mmap_length)) {
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struct multiboot_mmap *mmap = (struct multiboot_mmap *) ptr;
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cb_info.range[i].start = mmap->addr;
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cb_info.range[i].size = mmap->length;
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cb_info.range[i].type = mmap->type;
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if (++cb_info.mem_count == MAX_MEMORY_COUNT)
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return;
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ptr += (mmap->size + sizeof(mmap->size));
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i++;
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}
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}
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static void parse_header(unsigned long addr)
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{
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struct multiboot_header *table = (struct multiboot_header *) addr;
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if (table->flags & MULTIBOOT_FLAGS_MMAP)
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parse_memory(table);
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}
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static int multiboot_module_init(void)
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{
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unsigned long mbaddr;
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tables_good = sysinfo_have_multiboot(&mbaddr);
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parse_header(mbaddr);
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return tables_good ? 0 : -1;
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}
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struct coreinfo_module multiboot_module = {
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.name = "Multiboot",
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.init = multiboot_module_init,
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.redraw = multiboot_module_redraw,
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};
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#else
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struct coreinfo_module multiboot_module = {
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};
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#endif
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