/* * Bootstrap code for the INTEL */ #include #include #include #include #if CONFIG_CONSOLE_NE2K #include #endif #ifndef __PRE_RAM__ #include #include /* initialize the console */ void console_init(void) { struct console_driver *driver; if(get_option(&console_loglevel, "debug_level")) console_loglevel=CONFIG_DEFAULT_CONSOLE_LOGLEVEL; for(driver = console_drivers; driver < econsole_drivers; driver++) { if (!driver->init) continue; driver->init(); } } static void __console_tx_byte(unsigned char byte) { struct console_driver *driver; for(driver = console_drivers; driver < econsole_drivers; driver++) { driver->tx_byte(byte); } } void console_tx_flush(void) { struct console_driver *driver; for(driver = console_drivers; driver < econsole_drivers; driver++) { if (!driver->tx_flush) continue; driver->tx_flush(); } } void console_tx_byte(unsigned char byte) { if (byte == '\n') __console_tx_byte('\r'); __console_tx_byte(byte); } unsigned char console_rx_byte(void) { struct console_driver *driver; for(driver = console_drivers; driver < econsole_drivers; driver++) { if (driver->tst_byte) break; } if (driver == econsole_drivers) return 0; while (!driver->tst_byte()); return driver->rx_byte(); } int console_tst_byte(void) { struct console_driver *driver; for(driver = console_drivers; driver < econsole_drivers; driver++) if (driver->tst_byte) return driver->tst_byte(); return 0; } /* * Write POST information */ void post_code(u8 value) { #if !defined(CONFIG_NO_POST) || CONFIG_NO_POST==0 #if CONFIG_SERIAL_POST==1 printk(BIOS_EMERG, "POST: 0x%02x\n", value); #endif outb(value, 0x80); #endif } /* Report a fatal error */ void __attribute__((noreturn)) die(const char *msg) { printk(BIOS_EMERG, "%s", msg); //post_code(0xff); for (;;) hlt(); /* Halt */ } #else void console_init(void) { #if CONFIG_CONSOLE_NE2K ne2k_init(CONFIG_CONSOLE_NE2K_IO_PORT); #endif static const char console_test[] = "\n\ncoreboot-" COREBOOT_VERSION COREBOOT_EXTRA_VERSION " " COREBOOT_BUILD " starting...\n"; print_info(console_test); } void post_code(u8 value) { #if !defined(CONFIG_NO_POST) || CONFIG_NO_POST==0 #if CONFIG_SERIAL_POST==1 print_emerg("POST: 0x"); print_emerg_hex8(value); print_emerg("\n"); #endif outb(value, 0x80); #endif } void die(const char *str) { print_emerg(str); do { hlt(); } while(1); } #endif