274 lines
11 KiB
C
274 lines
11 KiB
C
/* $NetBSD: dec_prom.h,v 1.4 1994/10/26 21:10:54 cgd Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ralph Campbell.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)dec_prom.h 8.1 (Berkeley) 6/10/93
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*
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* machMon.h --
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*
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* Structures, constants and defines for access to the pmax prom.
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*
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* Copyright (C) 1989 Digital Equipment Corporation.
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright notice appears in all copies.
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* Digital Equipment Corporation makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* from: Header: /sprite/src/kernel/mach/ds3100.md/RCS/machMon.h,
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* v 9.3 90/02/20 14:34:07 shirriff Exp SPRITE (Berkeley)
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*/
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#ifndef _DEC_PROM
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#define _DEC_PROM
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/*
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* This file was created based on information from the document
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* "TURBOchannel Firmware Specification" (EK-TCAAD-FS-003)
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* by Digital Equipment Corporation.
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*/
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#ifndef LOCORE
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#include <sys/types.h>
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#include <sys/cdefs.h>
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/*
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* Programs loaded by the new PROMs pass the following arguments:
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* a0 argc
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* a1 argv
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* a2 DEC_PROM_MAGIC
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* a3 The callback vector defined below
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*/
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#define DEC_PROM_MAGIC 0x30464354
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typedef struct {
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int pagesize; /* system page size */
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u_char *bitmap; /* bit for each page indicating safe to use */
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} memmap;
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typedef struct {
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int revision; /* hardware revision level */
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int clk_period; /* clock period in nano seconds */
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int slot_size; /* slot size in magabytes */
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int io_timeout; /* I/O timeout in cycles
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int dma_range; /* DMA address range in megabytes */
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int max_dma_burst; /* maximum DMA burst length */
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int parity; /* true if system module supports T.C. parity */
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int reserved[4];
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} tcinfo;
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typedef int jmp_buf[12];
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typedef void (*psig_t)(int);
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struct callback {
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void *(*memcpy) __P((void *s1, void *s2, int n)); /* 00 */
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void *(*memset) __P((void *s1, int c, int n)); /* 04 */
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char *(*strcat) __P((char *s1, char *s2)); /* 08 */
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int (*strcmp) __P((char *s1, char *s2)); /* 0c */
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char *(*strcpy) __P((char *s1, char *s2)); /* 10 */
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int (*strlen) __P((char *s1)); /* 14 */
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char *(*strncat) __P((char *s1, char *s2, int n)); /* 18 */
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char *(*strncpy) __P((char *s1, char *s2, int n)); /* 1c */
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int (*strncmp) __P((char *s1, char *s2, int n)); /* 20 */
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int (*getchar) __P((void)); /* 24 */
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char *(*gets) __P((char *s)); /* 28 */
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int (*puts) __P((char *s)); /* 2c */
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int (*printf) __P((char *fmt, ...)); /* 30 */
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int (*sprintf) __P((char *s, char *fmt, ...)); /* 34 */
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int (*io_poll) __P((void)); /* 38 */
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long (*strtol) __P((char *s, char **endptr, int base)); /* 3c */
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psig_t (*signal) __P((int sig, psig_t func)); /* 40 */
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int (*raise) __P((int sig)); /* 44 */
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long (*time) __P((long *tod)); /* 48 */
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int (*setjmp) __P((jmp_buf env)); /* 4c */
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void (*longjmp) __P((jmp_buf env, int value)); /* 50 */
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int (*bootinit) __P((void)); /* 54 */
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int (*bootread) __P((int b, void *buffer, int n)); /* 58 */
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int (*bootwrite) __P((int b, void *buffer, int n)); /* 5c */
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int (*setenv) __P((char *name, char *value)); /* 60 */
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char *(*getenv) __P((char *name)); /* 64 */
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int (*unsetenv) __P((char *name)); /* 68 */
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u_long (*slot_address) __P((int sn)); /* 6c */
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void (*wbflush) __P((void)); /* 70 */
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void (*msdelay) __P((int delay)); /* 74 */
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void (*leds) __P((int value)); /* 78 */
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void (*clear_cache) __P((void)); /* 7c */
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int (*getsysid) __P((void)); /* 80 */
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int (*getbitmap) __P((memmap *map)); /* 84 */
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int (*disableintr) __P((int sn)); /* 88 */
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int (*enableintr) __P((int sn)); /* 8c */
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int (*testintr) __P((int sn)); /* 90 */
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void *reserved_data; /* 94 */
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int (*console_init) __P((void)); /* 98 */
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void (*halt) __P((int *v, int cnt)); /* 9c */
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void (*showfault) __P((void)); /* a0 */
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tcinfo *(*gettcinfo) __P(()); /* a4 */
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int (*execute_cmd) __P((char *cmd)); /* a8 */
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void (*rex) __P((char cmd)); /* ac */
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/* b0 to d4 reserved */
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};
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extern const struct callback *callv;
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extern const struct callback callvec;
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/*
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* The prom routines use the following structure to hold strings.
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*/
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typedef struct {
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char *argPtr[16]; /* Pointers to the strings. */
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char strings[256]; /* Buffer for the strings. */
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char *end; /* Pointer to end of used buf. */
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int num; /* Number of strings used. */
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} MachStringTable;
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#endif /* LOCORE */
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/*
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* The prom has a jump table at the beginning of it to get to its
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* functions.
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*/
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#define DEC_PROM_JUMP_TABLE_ADDR 0xBFC00000
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/*
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* Each entry in the jump table is 8 bytes - 4 for the jump and 4 for a nop.
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*/
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#define DEC_PROM_FUNC_ADDR(funcNum) (DEC_PROM_JUMP_TABLE_ADDR+((funcNum)*8))
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/*
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* The functions:
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*
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* DEC_PROM_RESET Run diags, check bootmode, reinit.
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* DEC_PROM_EXEC Load new program image.
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* DEC_PROM_RESTART Re-enter monitor command loop.
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* DEC_PROM_REINIT Re-init monitor, then cmd loop.
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* DEC_PROM_REBOOT Check bootmode, no config.
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* DEC_PROM_AUTOBOOT Autoboot the system.
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*
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* The following routines access PROM saio routines and may be used by
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* standalone programs that would like to use PROM I/O:
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*
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* DEC_PROM_OPEN Open a file.
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* DEC_PROM_READ Read from a file.
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* DEC_PROM_WRITE Write to a file.
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* DEC_PROM_IOCTL Iocontrol on a file.
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* DEC_PROM_CLOSE Close a file.
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* DEC_PROM_LSEEK Seek on a file.
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* DEC_PROM_GETCHAR Get character from console.
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* DEC_PROM_PUTCHAR Put character on console.
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* DEC_PROM_SHOWCHAR Show a char visibly.
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* DEC_PROM_GETS gets with editing.
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* DEC_PROM_PUTS Put string to console.
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* DEC_PROM_PRINTF Kernel style printf to console.
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*
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* The following are other prom routines:
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* DEC_PROM_FLUSHCACHE Flush entire cache ().
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* DEC_PROM_CLEARCACHE Clear I & D cache in range (addr, len).
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* DEC_PROM_SAVEREGS Save registers in a buffer.
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* DEC_PROM_LOADREGS Get register back from buffer.
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* DEC_PROM_JUMPS8 Jump to address in s8.
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* DEC_PROM_GETENV2 Gets a string from system environment.
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* DEC_PROM_SETENV2 Sets a string in system environment.
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* DEC_PROM_ATONUM Converts ascii string to number.
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* DEC_PROM_STRCMP Compares strings (strcmp).
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* DEC_PROM_STRLEN Length of string (strlen).
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* DEC_PROM_STRCPY Copies string (strcpy).
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* DEC_PROM_STRCAT Appends string (strcat).
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* DEC_PROM_GETCMD Gets a command.
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* DEC_PROM_GETNUMS Gets numbers.
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* DEC_PROM_ARGPARSE Parses string to argc,argv.
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* DEC_PROM_HELP Help on prom commands.
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* DEC_PROM_DUMP Dumps memory.
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* DEC_PROM_SETENV Sets a string in system environment.
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* DEC_PROM_UNSETENV Unsets a string in system environment
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* DEC_PROM_PRINTENV Prints system environment
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* DEC_PROM_JUMP2S8 Jumps to s8
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* DEC_PROM_ENABLE Performs prom enable command.
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* DEC_PROM_DISABLE Performs prom disable command.
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* DEC_PROM_ZEROB Zeros a system buffer.
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*/
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#define DEC_PROM_RESET DEC_PROM_FUNC_ADDR(0)
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#define DEC_PROM_EXEC DEC_PROM_FUNC_ADDR(1)
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#define DEC_PROM_RESTART DEC_PROM_FUNC_ADDR(2)
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#define DEC_PROM_REINIT DEC_PROM_FUNC_ADDR(3)
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#define DEC_PROM_REBOOT DEC_PROM_FUNC_ADDR(4)
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#define DEC_PROM_AUTOBOOT DEC_PROM_FUNC_ADDR(5)
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#define DEC_PROM_OPEN DEC_PROM_FUNC_ADDR(6)
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#define DEC_PROM_READ DEC_PROM_FUNC_ADDR(7)
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#define DEC_PROM_WRITE DEC_PROM_FUNC_ADDR(8)
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#define DEC_PROM_IOCTL DEC_PROM_FUNC_ADDR(9)
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#define DEC_PROM_CLOSE DEC_PROM_FUNC_ADDR(10)
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#define DEC_PROM_LSEEK DEC_PROM_FUNC_ADDR(11)
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#define DEC_PROM_GETCHAR DEC_PROM_FUNC_ADDR(12)
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#define DEC_PROM_PUTCHAR DEC_PROM_FUNC_ADDR(13)
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#define DEC_PROM_SHOWCHAR DEC_PROM_FUNC_ADDR(14)
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#define DEC_PROM_GETS DEC_PROM_FUNC_ADDR(15)
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#define DEC_PROM_PUTS DEC_PROM_FUNC_ADDR(16)
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#define DEC_PROM_PRINTF DEC_PROM_FUNC_ADDR(17)
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#define DEC_PROM_FLUSHCACHE DEC_PROM_FUNC_ADDR(28)
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#define DEC_PROM_CLEARCACHE DEC_PROM_FUNC_ADDR(29)
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#define DEC_PROM_SAVEREGS DEC_PROM_FUNC_ADDR(30)
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#define DEC_PROM_LOADREGS DEC_PROM_FUNC_ADDR(31)
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#define DEC_PROM_JUMPS8 DEC_PROM_FUNC_ADDR(32)
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#define DEC_PROM_GETENV2 DEC_PROM_FUNC_ADDR(33)
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#define DEC_PROM_SETENV2 DEC_PROM_FUNC_ADDR(34)
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#define DEC_PROM_ATONUM DEC_PROM_FUNC_ADDR(35)
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#define DEC_PROM_STRCMP DEC_PROM_FUNC_ADDR(36)
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#define DEC_PROM_STRLEN DEC_PROM_FUNC_ADDR(37)
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#define DEC_PROM_STRCPY DEC_PROM_FUNC_ADDR(38)
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#define DEC_PROM_STRCAT DEC_PROM_FUNC_ADDR(39)
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#define DEC_PROM_GETCMD DEC_PROM_FUNC_ADDR(40)
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#define DEC_PROM_GETNUMS DEC_PROM_FUNC_ADDR(41)
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#define DEC_PROM_ARGPARSE DEC_PROM_FUNC_ADDR(42)
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#define DEC_PROM_HELP DEC_PROM_FUNC_ADDR(43)
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#define DEC_PROM_DUMP DEC_PROM_FUNC_ADDR(44)
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#define DEC_PROM_SETENV DEC_PROM_FUNC_ADDR(45)
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#define DEC_PROM_UNSETENV DEC_PROM_FUNC_ADDR(46)
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#define DEC_PROM_PRINTENV DEC_PROM_FUNC_ADDR(47)
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#define DEC_PROM_JUMP2S8 DEC_PROM_FUNC_ADDR(48)
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#define DEC_PROM_ENABLE DEC_PROM_FUNC_ADDR(49)
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#define DEC_PROM_DISABLE DEC_PROM_FUNC_ADDR(50)
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#define DEC_PROM_ZEROB DEC_PROM_FUNC_ADDR(51)
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/*
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* The nonvolatile ram has a flag to indicate it is usable.
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*/
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#define MACH_USE_NON_VOLATILE ((char *)0xbd0000c0)
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#define MACH_NON_VOLATILE_FLAG 0x02
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#endif /* _DEC_PROM */
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