/* * This file is part of the coreboot project. * * 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. */ #include <commonlib/helpers.h> #include <console/console.h> #include <console/uart.h> #include <console/streams.h> #include <device/pci.h> #include <option.h> #include <version.h> /* Mutable console log level only allowed when RAM comes online. */ #define CONSOLE_LEVEL_CONST !ENV_STAGE_HAS_DATA_SECTION static int console_inited; static int console_loglevel = CONFIG_DEFAULT_CONSOLE_LOGLEVEL; static inline int get_log_level(void) { if (console_inited == 0) return -1; if (CONSOLE_LEVEL_CONST) return get_console_loglevel(); return console_loglevel; } static inline void set_log_level(int new_level) { if (CONSOLE_LEVEL_CONST) return; console_loglevel = new_level; } static void init_log_level(void) { int debug_level = get_console_loglevel(); if (CONSOLE_LEVEL_CONST) return; get_option(&debug_level, "debug_level"); set_log_level(debug_level); } int console_log_level(int msg_level) { int log_level = get_log_level(); if (log_level < 0) return CONSOLE_LOG_NONE; if (msg_level <= log_level) return CONSOLE_LOG_ALL; if (CONFIG(CONSOLE_CBMEM) && (msg_level <= BIOS_DEBUG)) return CONSOLE_LOG_FAST; return 0; } asmlinkage void console_init(void) { init_log_level(); if (CONFIG(DEBUG_CONSOLE_INIT)) console_inited = 1; if (CONFIG(EARLY_PCI_BRIDGE) && !ENV_SMM && !ENV_RAMSTAGE) pci_early_bridge_init(); console_hw_init(); console_inited = 1; printk(BIOS_NOTICE, "\n\ncoreboot-%s%s %s " ENV_STRING " starting (log level: %i)...\n", coreboot_version, coreboot_extra_version, coreboot_build, get_log_level()); }