1 /* $NetBSD: sysinfo.c,v 1.9 2009/03/14 15:36:04 dsl Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Leo Weppelman. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifdef TOSTOOLS 33 #include <stdio.h> 34 #include <sys/types.h> 35 #else 36 37 #include <lib/libsa/stand.h> 38 #include <atari_stand.h> 39 #include <libkern.h> 40 #include <machine/cpu.h> 41 #endif /* TOSTOOLS */ 42 43 #include "libtos.h" 44 #include "tosdefs.h" 45 #include "kparamb.h" 46 /* 47 * Extract memory and CPU/FPU info from system. 48 */ 49 void 50 sys_info(osdsc_t *od) 51 { 52 long *jar; 53 OSH *oshdr; 54 55 od->cputype = 0; 56 57 /* 58 * Some GEMDOS versions use a different year-base in the RTC. 59 */ 60 oshdr = *ADDR_OSHEAD; 61 oshdr = oshdr->os_beg; 62 if ((oshdr->os_version > 0x0300) && (oshdr->os_version < 0x0306)) 63 od->cputype |= ATARI_CLKBROKEN; 64 65 /* 66 * Auto configure memory sizes when they are not pre-set. 67 */ 68 if (od->stmem_size <= 0) 69 od->stmem_size = *ADDR_PHYSTOP; 70 71 if (od->ttmem_size) 72 od->ttmem_start = TTRAM_BASE; 73 else { 74 if (*ADDR_CHKRAMTOP == RAMTOP_MAGIC) { 75 od->ttmem_size = *ADDR_RAMTOP; 76 if (od->ttmem_size > TTRAM_BASE) { 77 od->ttmem_size -= TTRAM_BASE; 78 od->ttmem_start = TTRAM_BASE; 79 } 80 else od->ttmem_size = 0; 81 } 82 } 83 84 /* 85 * Scan cookiejar for CPU types, accellerator boards, etc. 86 */ 87 jar = *ADDR_P_COOKIE; 88 if (jar != NULL) { 89 do { 90 if (jar[0] == 0x5f435055) { /* _CPU */ 91 switch (jar[1]) { 92 case 0: 93 od->cputype |= ATARI_68000; 94 break; 95 case 10: 96 od->cputype |= ATARI_68010; 97 break; 98 case 20: 99 od->cputype |= ATARI_68020; 100 break; 101 case 30: 102 od->cputype |= ATARI_68030; 103 break; 104 case 40: 105 od->cputype |= ATARI_68040; 106 break; 107 case 60: 108 od->cputype |= ATARI_68060; 109 break; 110 default: 111 /* This error is caught later on */ 112 break; 113 } 114 } 115 if (jar[0] == 0x42504658) { /* BPFX */ 116 unsigned long *p; 117 118 p = (unsigned long*)jar[1]; 119 120 od->ttmem_start = p[1]; 121 od->ttmem_size = p[2]; 122 } 123 if (jar[0] == 0x5f435432) { /* _CT2 */ 124 /* 125 * The CT2 board has a different physical base address! 126 */ 127 od->ttmem_start = CTRAM_BASE; 128 } 129 jar = &jar[2]; 130 } while (jar[-2]); 131 } 132 } 133