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      1 /*	$NetBSD: sparc.c,v 1.2 2021/12/11 19:24:22 mrg Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2018 Matthew R. Green
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 #include <sys/cdefs.h>
     29 
     30 #ifndef lint
     31 __RCSID("$NetBSD: sparc.c,v 1.2 2021/12/11 19:24:22 mrg Exp $");
     32 #endif
     33 
     34 #include <sys/types.h>
     35 #include <sys/cpuio.h>
     36 #include <sys/sysctl.h>
     37 
     38 #include <machine/cpu.h>
     39 
     40 #include <stdio.h>
     41 #include <err.h>
     42 
     43 #include "../cpuctl.h"
     44 #include "../../../sys/arch/sparc/sparc/cache_print.h"
     45 
     46 void
     47 identifycpu(int fd, const char *cpuname)
     48 {
     49 	char path[128];
     50 	char *name;
     51 	char *fpuname;
     52 	int cpu_arch, mid, hz;
     53 	struct cacheinfo cacheinfo;
     54 	size_t len;
     55 
     56 	len = sizeof(cpu_arch);
     57 	if (sysctlbyname("machdep.cpu_arch", &cpu_arch, &len, 0, 0) == -1)
     58 		err(1, "couldn't get machdep.cpu_arch");
     59 
     60 	snprintf(path, sizeof path, "hw.%s.cacheinfo", cpuname);
     61 	len = sizeof(cacheinfo);
     62 	if (sysctlbyname(path, &cacheinfo, &len, 0, 0) == -1)
     63 		err(1, "couldn't get %s", path);
     64 
     65 	snprintf(path, sizeof path, "hw.%s.mid", cpuname);
     66 	len = sizeof(mid);
     67 	if (sysctlbyname(path, &mid, &len, 0, 0) == -1)
     68 		err(1, "couldn't get %s", path);
     69 
     70 	snprintf(path, sizeof path, "hw.%s.clock_frequency", cpuname);
     71 	len = sizeof(hz);
     72 	if (sysctlbyname(path, &hz, &len, 0, 0) == -1)
     73 		err(1, "couldn't get %s", path);
     74 	snprintf(path, sizeof path, "hw.%s.name", cpuname);
     75 	name = asysctlbyname(path, &len);
     76 
     77 	snprintf(path, sizeof path, "hw.%s.fpuname", cpuname);
     78 	fpuname = asysctlbyname(path, &len);
     79 
     80 	printf("%s: mid %d: %s @ %d MHz, %s FPU\n", cpuname, mid, name, hz / 1000000, fpuname);
     81 	cache_printf_backend(&cacheinfo, cpuname);
     82 
     83 	printf("%s: SPARC v%d\n", cpuname, cpu_arch);
     84 }
     85 
     86 bool
     87 identifycpu_bind(void)
     88 {
     89 
     90 	return false;
     91 }
     92 
     93 int
     94 ucodeupdate_check(int fd, struct cpu_ucode *uc)
     95 {
     96 
     97 	return 0;
     98 }
     99