cpu.c

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00001 /*
00002  * Copyright (C) 2005 Jakub Jermar
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  *
00009  * - Redistributions of source code must retain the above copyright
00010  *   notice, this list of conditions and the following disclaimer.
00011  * - Redistributions in binary form must reproduce the above copyright
00012  *   notice, this list of conditions and the following disclaimer in the
00013  *   documentation and/or other materials provided with the distribution.
00014  * - The name of the author may not be used to endorse or promote products
00015  *   derived from this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00018  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00019  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00020  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00021  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00022  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00023  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00024  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00025  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00026  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00027  */
00028 
00035 #include <cpu.h>
00036 #include <arch.h>
00037 #include <arch/register.h>
00038 #include <print.h>
00039 
00040 void cpu_arch_init(void)
00041 {
00042 }
00043 
00044 void cpu_identify(void)
00045 {
00046         CPU->arch.cpuid0 = cpuid_read(0);
00047         CPU->arch.cpuid1 = cpuid_read(1);
00048         CPU->arch.cpuid3.value = cpuid_read(3);
00049 }
00050 
00051 void cpu_print_report(cpu_t *m)
00052 {
00053         char *family_str;
00054         char vendor[2*sizeof(__u64)+1];
00055         
00056         *((__u64 *) &vendor[0*sizeof(__u64)]) = CPU->arch.cpuid0;
00057         *((__u64 *) &vendor[1*sizeof(__u64)]) = CPU->arch.cpuid1;
00058         vendor[sizeof(vendor)-1] = '\0';
00059         
00060         switch(m->arch.cpuid3.family) {
00061             case FAMILY_ITANIUM:
00062                 family_str = "Itanium";
00063                 break;
00064             case FAMILY_ITANIUM2:
00065                 family_str = "Itanium 2";
00066                 break;
00067             default:
00068                 family_str = "Unknown";
00069                 break;
00070         }
00071         
00072         printf("cpu%d: %s (%s), archrev=%d, model=%d, revision=%d\n", CPU->id, family_str, vendor, CPU->arch.cpuid3.archrev, CPU->arch.cpuid3.model, CPU->arch.cpuid3.revision);
00073 }
00074 

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