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Annotation of XNU/pexpert/ppc/pe_debug.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: #include <pexpert/pexpert.h>
        !            23: #include <pexpert/ppc/powermac.h>
        !            24: #include <kern/debug.h>
        !            25: 
        !            26: static int DEBUGFlag;
        !            27: 
        !            28: pe_init_debug(void)
        !            29: {
        !            30:        if( !PE_parse_boot_arg( "debug", &DEBUGFlag ))
        !            31:                DEBUGFlag = 0;
        !            32: #ifdef DEBUG
        !            33:        dump_machine_info();
        !            34: #endif
        !            35: }
        !            36: 
        !            37: void PE_enter_debugger( char * cause )
        !            38: {
        !            39:         if( DEBUGFlag & DB_NMI)
        !            40:             Debugger(cause);
        !            41: }   
        !            42: 
        !            43: 
        !            44: void dump_machine_info(void)
        !            45: {
        !            46:        kprintf("--- machine info ---\n");
        !            47:        kprintf("  processor version: 0x%x\n", powermac_info.processor_version);
        !            48:        kprintf("  cpu clock rate: %d hz\n", powermac_info.cpu_clock_rate_hz);
        !            49:        kprintf("  bus clock rate: %d hz\n", powermac_info.bus_clock_rate_hz);
        !            50:        kprintf("  dec clock rate: %d hz\n", powermac_info.dec_clock_rate_hz);
        !            51:        kprintf("  caches:\n    dcache size:%dk;  block size: %db\n", 
        !            52:                        powermac_info.dcache_size / 1024,
        !            53:                        powermac_info.dcache_block_size);
        !            54:        kprintf("    icache size: %dk  %s\n", 
        !            55:                        powermac_info.icache_size / 1024,
        !            56:                        powermac_info.caches_unified ? "(unified)" : "");
        !            57:        kprintf("--------------------\n");
        !            58: }
        !            59: 

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