/* $OpenBSD: init_main.c,v 1.12 2023/02/23 19:48:22 miod Exp $ */ /* $NetBSD: init_main.c,v 1.6 2013/03/05 15:34:53 tsutsui Exp $ */ /* * Copyright (c) 1992 OMRON Corporation. * * This code is derived from software contributed to Berkeley by * OMRON Corporation. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. * * @(#)init_main.c 8.2 (Berkeley) 8/15/93 */ /* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * OMRON Corporation. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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. * * @(#)init_main.c 8.2 (Berkeley) 8/15/93 */ /* * Mach Operating System * Copyright (c) 1993-1991 Carnegie Mellon University * Copyright (c) 1991 OMRON Corporation * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON AND OMRON ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON AND OMRON DISCLAIM ANY LIABILITY OF ANY KIND * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. */ const char version[] = "0.8"; #include <sys/param.h> #include <lib/libkern/libkern.h> #include <machine/board.h> #include <luna88k/stand/boot/samachdep.h> #include <stand/boot/cmd.h> #include "dev_net.h" static void get_fuse_rom_data(void); static void get_nvram_data(void); static const char *nvram_by_symbol(char *); int cpuspeed; /* for DELAY() macro */ int machtype; uint32_t bootdev; uint16_t dipswitch = 0; int nplane; #ifdef DEBUG int debug; #endif /* * FUSE ROM and NVRAM data */ struct fuse_rom_byte { u_int32_t h; u_int32_t l; }; #define FUSE_ROM_SPACE 1024 #define FUSE_ROM_BYTES (FUSE_ROM_SPACE / sizeof(struct fuse_rom_byte)) char fuse_rom_data[FUSE_ROM_BYTES]; #define NNVSYM 8 #define NVSYMLEN 16 #define NVVALLEN 16 struct nvram_t { char symbol[1 + NVSYMLEN]; char value[1 + NVVALLEN]; } nvram[NNVSYM]; int main(void) { extern char *progname; /* boot.c */ extern int boottimeout; /* boot.c */ /* Determine the machine type from FUSE ROM data. */ get_fuse_rom_data(); if (strncmp(fuse_rom_data, "MNAME=LUNA88K+", 14) == 0) machtype = LUNA_88K2; else machtype = LUNA_88K; /* * Initialize the console before we print anything out. */ if (machtype == LUNA_88K) { progname = "LUNA-88K BOOT"; cpuspeed = MHZ_25; } else { progname = "LUNA-88K2 BOOT"; cpuspeed = MHZ_33; } nplane = *((int *)0x1114); /* 0, 1, 4, or 8 */ cninit(); #ifdef SUPPORT_ETHERNET try_bootp = 1; #endif get_nvram_data(); /* disable timeout if requested */ if ((dipswitch & 0x8000) == 0) { boottimeout = 0; } boot(0); _rtt(); /* NOTREACHED */ } /* Get data from FUSE ROM */ void get_fuse_rom_data(void) { int i; struct fuse_rom_byte *p = (struct fuse_rom_byte *)FUSE_ROM_ADDR; for (i = 0; i < FUSE_ROM_BYTES; i++) { fuse_rom_data[i] = (char)((((p->h) >> 24) & 0x000000f0) | (((p->l) >> 28) & 0x0000000f)); p++; } } /* Get data from NVRAM */ void get_nvram_data(void) { int i, j; u_int8_t *page; char buf[NVSYMLEN], *data; if (machtype == LUNA_88K) { data = (char *)(NVRAM_ADDR + 0x80); for (i = 0; i < NNVSYM; i++) { for (j = 0; j < NVSYMLEN; j++) { buf[j] = *data; data += 4; } strncpy(nvram[i].symbol, buf, sizeof(nvram[i].symbol)); for (j = 0; j < NVVALLEN; j++) { buf[j] = *data; data += 4; } strncpy(nvram[i].value, buf, sizeof(nvram[i].value)); } } else if (machtype == LUNA_88K2) { page = (u_int8_t *)(NVRAM_ADDR_88K2 + 0x20); for (i = 0; i < NNVSYM; i++) { *page = (u_int8_t)i; data = (char *)NVRAM_ADDR_88K2; strncpy(nvram[i].symbol, data, sizeof(nvram[i].symbol)); data = (char *)(NVRAM_ADDR_88K2 + 0x10); strncpy(nvram[i].value, data, sizeof(nvram[i].value)); } } } const char * nvram_by_symbol(symbol) char *symbol; { const char *value; int i; value = NULL; for (i = 0; i < NNVSYM; i++) { if (strncmp(nvram[i].symbol, symbol, NVSYMLEN) == 0) { value = nvram[i].value; break; } } return value; } void _rtt(void) { *(volatile unsigned int *)RESET_CPU_ALL = 0; for (;;) ; /* NOTREACHED */ } /* * Return the default boot device. */ void devboot(dev_t dev, char *path) { const char *nvv; int unit, part; /* Determine the 'auto-boot' device from NVRAM data */ nvv = nvram_by_symbol("boot_unit"); if (nvv != NULL) unit = (int)strtol(nvv, NULL, 10); else unit = 0; nvv = nvram_by_symbol("boot_partition"); if (nvv != NULL) part = (int)strtol(nvv, NULL, 10); else part = 0; nvv = nvram_by_symbol("boot_device"); snprintf(path, BOOTDEVLEN, "%s(%d,%d)", nvv != NULL ? nvv : "sd", unit, part); } void machdep() { /* Nothing to do - everything done in main() already */ }
