diff options
Diffstat (limited to 'src/arch/x86')
| -rw-r--r-- | src/arch/x86/lib/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/arch/x86/lib/romcc_console.c | 135 | ||||
| -rw-r--r-- | src/arch/x86/lib/romstage_console.c (renamed from src/arch/x86/lib/printk_init.c) | 0 |
3 files changed, 136 insertions, 1 deletions
diff --git a/src/arch/x86/lib/Makefile.inc b/src/arch/x86/lib/Makefile.inc index 43ac4693f7..3092388586 100644 --- a/src/arch/x86/lib/Makefile.inc +++ b/src/arch/x86/lib/Makefile.inc @@ -7,7 +7,7 @@ ramstage-y += pci_ops_auto.c ramstage-y += exception.c ramstage-$(CONFIG_IOAPIC) += ioapic.c -romstage-y += printk_init.c +romstage-y += romstage_console.c romstage-y += cbfs_and_run.c $(obj)/arch/x86/lib/console.ramstage.o :: $(obj)/build.h diff --git a/src/arch/x86/lib/romcc_console.c b/src/arch/x86/lib/romcc_console.c new file mode 100644 index 0000000000..13ee1f004f --- /dev/null +++ b/src/arch/x86/lib/romcc_console.c @@ -0,0 +1,135 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2003 Eric Biederman + * + * 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 <stdint.h> +#include <console/loglevel.h> +#include <console/post_codes.h> + +/* __PRE_RAM__ */ +/* Using a global varible can cause problems when we reset the stack + * from cache as ram to ram. If we make this a define USE_SHARED_STACK + * we could use the same code on all architectures. + */ +#define console_loglevel CONFIG_DEFAULT_CONSOLE_LOGLEVEL +#if CONFIG_CONSOLE_SERIAL8250 +#include <uart8250.h> +#endif + +#if CONFIG_CONSOLE_SERIAL8250 +#include "lib/uart8250.c" +#endif +#if CONFIG_CONSOLE_NE2K +#include "lib/ne2k.c" +#endif + +static void __console_tx_byte(unsigned char byte) +{ +#if CONFIG_CONSOLE_SERIAL8250 + uart8250_tx_byte(CONFIG_TTYS0_BASE, byte); +#endif +#if CONFIG_CONSOLE_NE2K + ne2k_append_data_byte(byte, CONFIG_CONSOLE_NE2K_IO_PORT); +#endif +} + +static void __console_tx_nibble(unsigned nibble) +{ + unsigned char digit; + digit = nibble + '0'; + if (digit > '9') { + digit += 39; + } + __console_tx_byte(digit); +} + +static void __console_tx_char(int loglevel, unsigned char byte) +{ + if (console_loglevel >= loglevel) { +#if CONFIG_CONSOLE_SERIAL8250 + uart8250_tx_byte(CONFIG_TTYS0_BASE, byte); +#endif +#if CONFIG_CONSOLE_NE2K + ne2k_append_data_byte(byte, CONFIG_CONSOLE_NE2K_IO_PORT); + ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT); +#endif + } +} + +static void __console_tx_hex8(int loglevel, unsigned char value) +{ + if (console_loglevel >= loglevel) { + __console_tx_nibble((value >> 4U) & 0x0fU); + __console_tx_nibble(value & 0x0fU); + } +#if CONFIG_CONSOLE_NE2K + ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT); +#endif +} + +static void __console_tx_hex16(int loglevel, unsigned short value) +{ + if (console_loglevel >= loglevel) { + __console_tx_nibble((value >> 12U) & 0x0fU); + __console_tx_nibble((value >> 8U) & 0x0fU); + __console_tx_nibble((value >> 4U) & 0x0fU); + __console_tx_nibble(value & 0x0fU); + } +#if CONFIG_CONSOLE_NE2K + ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT); +#endif +} + +static void __console_tx_hex32(int loglevel, unsigned int value) +{ + if (console_loglevel >= loglevel) { + __console_tx_nibble((value >> 28U) & 0x0fU); + __console_tx_nibble((value >> 24U) & 0x0fU); + __console_tx_nibble((value >> 20U) & 0x0fU); + __console_tx_nibble((value >> 16U) & 0x0fU); + __console_tx_nibble((value >> 12U) & 0x0fU); + __console_tx_nibble((value >> 8U) & 0x0fU); + __console_tx_nibble((value >> 4U) & 0x0fU); + __console_tx_nibble(value & 0x0fU); + } +#if CONFIG_CONSOLE_NE2K + ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT); +#endif +} + +static void __console_tx_string(int loglevel, const char *str) +{ + if (console_loglevel >= loglevel) { + unsigned char ch; + while((ch = *str++) != '\0') { + if (ch == '\n') + __console_tx_byte('\r'); + __console_tx_byte(ch); + } +#if CONFIG_CONSOLE_NE2K + ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT); +#endif + } +} + +/* if included by romcc, include the sources, too. romcc can't use prototypes */ +#include <console/console.c> +#include <console/post.c> +#include <console/die.c> + + diff --git a/src/arch/x86/lib/printk_init.c b/src/arch/x86/lib/romstage_console.c index e8a926356e..e8a926356e 100644 --- a/src/arch/x86/lib/printk_init.c +++ b/src/arch/x86/lib/romstage_console.c |