/* * This file is part of the coreinfo project. * * Copyright (C) 2008 Advanced Micro Devices, Inc. * * 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. */ #include "coreinfo.h" #include <coreboot_tables.h> #if IS_ENABLED(CONFIG_MODULE_COREBOOT) #define MAX_MEMORY_COUNT 5 static struct { int mem_count; int mem_actual; struct cb_memory_range range[MAX_MEMORY_COUNT]; char vendor[32]; char part[32]; char strings[10][64]; struct cb_serial serial; struct cb_console console; } cb_info; static int tables_good = 0; int coreboot_module_redraw(WINDOW *win) { int row = 2; int i; print_module_title(win, "Coreboot Tables"); if (tables_good) { mvwprintw(win, row++, 1, "No Coreboot tables were found"); return 0; } mvwprintw(win, row++, 1, "Vendor: %s", cb_info.vendor); mvwprintw(win, row++, 1, "Part: %s", cb_info.part); mvwprintw(win, row++, 1, "Version: %s%s", cb_info.strings[CB_TAG_VERSION - 0x4], cb_info.strings[CB_TAG_EXTRA_VERSION - 0x4]); mvwprintw(win, row++, 1, "Built: %s (%s@%s.%s)", cb_info.strings[CB_TAG_BUILD - 0x4], cb_info.strings[CB_TAG_COMPILE_BY - 0x04], cb_info.strings[CB_TAG_COMPILE_HOST - 0x04], cb_info.strings[CB_TAG_COMPILE_DOMAIN - 0x04]); if (cb_info.serial.tag != 0x0) { mvwprintw(win, row++, 1, "Serial Port I/O base: 0x%x", cb_info.serial.baseaddr); } if (cb_info.console.tag != 0x0) { mvwprintw(win, row++, 1, "Default Output Console: "); switch (cb_info.console.type) { case CB_TAG_CONSOLE_SERIAL8250: wprintw(win, "Serial Port"); break; case CB_TAG_CONSOLE_VGA: wprintw(win, "VGA"); break; case CB_TAG_CONSOLE_BTEXT: wprintw(win, "BTEXT"); break; case CB_TAG_CONSOLE_LOGBUF: wprintw(win, "Log Buffer"); break; case CB_TAG_CONSOLE_SROM: wprintw(win, "Serial ROM"); break; case CB_TAG_CONSOLE_EHCI: wprintw(win, "USB Debug"); break; } } row++; mvwprintw(win, row++, 1, "-- Memory Map --"); for (i = 0; i < cb_info.mem_count; i++) { switch (cb_info.range[i].type) { case CB_MEM_RAM: mvwprintw(win, row++, 3, " RAM: "); break; case CB_MEM_RESERVED: mvwprintw(win, row++, 3, "Reserved: "); break; case CB_MEM_TABLE: mvwprintw(win, row++, 3, " Table: "); } wprintw(win, "%16.16llx - %16.16llx", cb_unpack64(cb_info.range[i].start), cb_unpack64(cb_info.range[i].start) + cb_unpack64(cb_info.range[i].size) - 1); } return 0; } static void parse_memory(unsigned char *ptr) { struct cb_memory *mem = (struct cb_memory *)ptr; int max = (MEM_RANGE_COUNT(mem) > MAX_MEMORY_COUNT) ? MAX_MEMORY_COUNT : MEM_RANGE_COUNT(mem); int i; for (i = 0; i < max; i++) { struct cb_memory_range *range = (struct cb_memory_range *)MEM_RANGE_PTR(mem, i); memcpy(&cb_info.range[i], range, sizeof(*range)); } cb_info.mem_count = max; cb_info.mem_actual = MEM_RANGE_COUNT(mem); } static void parse_mainboard(unsigned char *ptr) { struct cb_mainboard *mb = (struct cb_mainboard *)ptr; strncpy(cb_info.vendor, cb_mb_vendor_string(mb), sizeof(cb_info.vendor) - 1); strncpy(cb_info.part, cb_mb_part_string(mb), sizeof(cb_info.part) - 1); } static void parse_strings(unsigned char *ptr) { struct cb_string *string = (struct cb_string *)ptr; int index = string->tag - CB_TAG_VERSION; strncpy(cb_info.strings[index], (const char *)string->string, 63); cb_info.strings[index][63] = 0; } static void parse_serial(unsigned char *ptr) { memcpy(&cb_info.serial, (struct cb_serial *)ptr, sizeof(struct cb_serial)); } static void parse_console(unsigned char *ptr) { memcpy(&cb_info.console, (struct cb_console *)ptr, sizeof(struct cb_console)); } static int parse_header(void *addr, int len) { struct cb_header *header; unsigned char *ptr = (unsigned char *)addr; int i; for (i = 0; i < len; i += 16, ptr += 16) { header = (struct cb_header *)ptr; if (!strncmp((const char *)header->signature, "LBIO", 4)) break; } /* We walked the entire space and didn't find anything. */ if (i >= len) return -1; if (!header->table_bytes) return 0; /* FIXME: Check the checksum. */ if (cb_checksum(header, sizeof(*header))) return -1; if (cb_checksum((ptr + sizeof(*header)), header->table_bytes) != header->table_checksum) return -1; /* Now, walk the tables. */ ptr += header->header_bytes; for (i = 0; i < header->table_entries; i++) { struct cb_record *rec = (struct cb_record *)ptr; switch (rec->tag) { case CB_TAG_FORWARD: return parse_header((void *)(unsigned long)((struct cb_forward *)rec)->forward, 1); break; case CB_TAG_MEMORY: parse_memory(ptr); break; case CB_TAG_MAINBOARD: parse_mainboard(ptr); break; case CB_TAG_VERSION: case CB_TAG_EXTRA_VERSION: case CB_TAG_BUILD: case CB_TAG_COMPILE_TIME: case CB_TAG_COMPILE_BY: case CB_TAG_COMPILE_HOST: case CB_TAG_COMPILE_DOMAIN: case CB_TAG_COMPILER: case CB_TAG_LINKER: case CB_TAG_ASSEMBLER: parse_strings(ptr); break; case CB_TAG_SERIAL: parse_serial(ptr); break; case CB_TAG_CONSOLE: parse_console(ptr); break; default: break; } ptr += rec->size; } return 1; } static int coreboot_module_init(void) { int ret = parse_header((void *)0x00000, 0x1000); if (ret != 1) ret = parse_header((void *)0xf0000, 0x1000); /* Return error if we couldn't find it at either address. */ tables_good = (ret == 1) ? 0 : -1; return tables_good; } struct coreinfo_module coreboot_module = { .name = "Coreboot", .init = coreboot_module_init, .redraw = coreboot_module_redraw, }; #else struct coreinfo_module coreboot_module = { }; #endif