From 4c87a1868835d05f1cadae7b8ad6a7c95d9d9c0e Mon Sep 17 00:00:00 2001 From: Ross Philipson Date: Tue, 14 Mar 2017 15:40:33 -0400 Subject: Initial commit of EFI TBOOT work from internal project. Signed-off-by: Ross Philipson --- tboot/include/printk.h | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 tboot/include/printk.h (limited to 'tboot/include/printk.h') diff --git a/tboot/include/printk.h b/tboot/include/printk.h new file mode 100644 index 0000000..d72d2f2 --- /dev/null +++ b/tboot/include/printk.h @@ -0,0 +1,79 @@ +/* + * printk.h: printk to serial for very early boot stages + * + * Copyright (c) 2006-2010, Intel Corporation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * * Neither the name of the Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef __PRINTK_H__ +#define __PRINTK_H__ + +#include +#include + +#define TBOOT_LOGBUF_SIZE 256 + +#define TBOOT_LOG_LEVEL_NONE 0x00 +#define TBOOT_LOG_LEVEL_ERR 0x01 +#define TBOOT_LOG_LEVEL_WARN 0x02 +#define TBOOT_LOG_LEVEL_INFO 0x04 +#define TBOOT_LOG_LEVEL_DETA 0x08 +#define TBOOT_LOG_LEVEL_ALL 0xFF + +#define TBOOT_LOG_TARGET_NONE 0x00 +#define TBOOT_LOG_TARGET_VGA 0x01 +#define TBOOT_LOG_TARGET_SERIAL 0x02 +#define TBOOT_LOG_TARGET_MEMORY 0x04 +#define TBOOT_LOG_TARGET_EFI 0x10 + +uint8_t g_log_level; +uint8_t g_log_targets; +uint8_t g_vga_delay; +serial_port_t g_com_port; + +#define serial_init() comc_init() +#define serial_write(s, n) comc_puts(s, n) + +#define vga_write(s,n) vga_puts(s, n) + +#define efi_write(s,n) efi_puts(s, n) + +typedef enum { + INIT_EARLY_EFI, + INIT_PRE_LAUNCH, + INIT_POST_EBS, + INIT_POST_LAUNCH +} printk_init_t; + +void printk_init(printk_init_t init_type); +void printk(const char *fmt, ...) + __attribute__ ((format (printf, 1, 2))); + +#endif -- cgit v1.2.3