X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Flogbuff.h;h=625feb9f95a09491477a8c42a6f65f82d130de96;hb=f46c25583a73042edf432b209ee4b93bc3f7e762;hp=37445096a94d7488b3ae578c9ecf4da5dc9ce6ae;hpb=56f94be3ef63732384063e110277ed89701b6471;p=oweals%2Fu-boot.git diff --git a/include/logbuff.h b/include/logbuff.h index 37445096a9..625feb9f95 100644 --- a/include/logbuff.h +++ b/include/logbuff.h @@ -1,35 +1,48 @@ /* - * (C) Copyright 2002 + * (C) Copyright 2002-2007 * Detlev Zundel, dzu@denx.de. * - * See file CREDITS for list of people who contributed to this - * 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; either version 2 of - * the License, or (at your option) any later version. - * - * 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., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #ifndef _LOGBUFF_H #define _LOGBUFF_H #ifdef CONFIG_LOGBUFFER -#define LOGBUFF_TEST0 0x01 +#define LOGBUFF_MAGIC 0xc0de4ced /* Forced by code, eh! */ +#define LOGBUFF_LEN (16384) /* Must be 16k right now */ +#define LOGBUFF_MASK (LOGBUFF_LEN-1) +#define LOGBUFF_OVERHEAD (4096) /* Logbuffer overhead for extra info */ +#define LOGBUFF_RESERVE (LOGBUFF_LEN+LOGBUFF_OVERHEAD) + +/* The mapping used here has to be the same as in setup_ext_logbuff () + in linux/kernel/printk */ + +typedef struct { + union { + struct { + unsigned long tag; + unsigned long start; + unsigned long con; + unsigned long end; + unsigned long chars; + } v2; + struct { + unsigned long dummy; + unsigned long tag; + unsigned long start; + unsigned long size; + unsigned long chars; + } v1; + }; + unsigned char buf[0]; +} logbuff_t; int drv_logbuff_init (void); +void logbuff_init_ptrs (void); void logbuff_log(char *msg); void logbuff_reset (void); +unsigned long logbuffer_base (void); #endif /* CONFIG_LOGBUFFER */