From 7249f7979237d7f14941036dd931545b5c9e73fb Mon Sep 17 00:00:00 2001 From: Jordan Crouse Date: Thu, 20 Mar 2008 00:11:05 +0000 Subject: corinfo: Inital release of the coreinfo code This is the intial release of the coreinfo payload code. Signed-off-by: Jordan Crouse Acked-by: Uwe Hermann git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3173 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- payloads/coreinfo/coreboot_module.c | 264 ++++++++++++++++++++++++++++++++++++ 1 file changed, 264 insertions(+) create mode 100644 payloads/coreinfo/coreboot_module.c (limited to 'payloads/coreinfo/coreboot_module.c') diff --git a/payloads/coreinfo/coreboot_module.c b/payloads/coreinfo/coreboot_module.c new file mode 100644 index 0000000000..324eb948bf --- /dev/null +++ b/payloads/coreinfo/coreboot_module.c @@ -0,0 +1,264 @@ +/* + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include "coreinfo.h" + +#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++, 2, "No Coreboot tables were found"); + return 0; + } + + mvwprintw(win, row++, 2, "Vendor: %s", cb_info.vendor); + mvwprintw(win, row++, 2, "Part: %s", cb_info.part); + + mvwprintw(win, row++, 2, "Version: %s%s", + cb_info.strings[CB_TAG_VERSION - 0x4], + cb_info.strings[CB_TAG_EXTRA_VERSION - 0x4]); + + mvwprintw(win, row++, 2, "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++, 2, "Serial Port I/O base: 0x%x", + cb_info.serial.ioport); + } + + if (cb_info.console.tag != 0x0) { + mvwprintw(win, row++, 2, "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++, 2, "-- Memory Map --"); + + for(i = 0; i < cb_info.mem_count; i++) { + + switch(cb_info.range[i].type) { + case CB_MEM_RAM: + mvwprintw(win, row++, 4, " RAM: "); + break; + + case CB_MEM_RESERVED: + mvwprintw(win, row++, 4, "Reserved: "); + break; + + case CB_MEM_TABLE: + mvwprintw(win, row++, 4, " Table: "); + } + + wprintw(win, "%16.16llx - %16.16llx", + UNPACK_CB64(cb_info.range[i].start), + UNPACK_CB64(cb_info.range[i].start) + + UNPACK_CB64(cb_info.range[i].size) - 1); + } +} + +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, MB_VENDOR_STRING(mb), 31); + strncpy(cb_info.part, MB_PART_STRING(mb), 31); +} + +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], 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(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 (ipchksum((uint16_t *) header, sizeof(*header))) + return -1; + + if (ipchksum((uint16_t *) (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_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; +} + +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, +}; -- cgit v1.2.3