sparc.c revision 1.2 1 1.2 mrg /* $NetBSD: sparc.c,v 1.2 2021/12/11 19:24:22 mrg Exp $ */
2 1.1 mrg
3 1.1 mrg /*
4 1.1 mrg * Copyright (c) 2018 Matthew R. Green
5 1.1 mrg * All rights reserved.
6 1.1 mrg *
7 1.1 mrg * Redistribution and use in source and binary forms, with or without
8 1.1 mrg * modification, are permitted provided that the following conditions
9 1.1 mrg * are met:
10 1.1 mrg * 1. Redistributions of source code must retain the above copyright
11 1.1 mrg * notice, this list of conditions and the following disclaimer.
12 1.1 mrg * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 mrg * notice, this list of conditions and the following disclaimer in the
14 1.1 mrg * documentation and/or other materials provided with the distribution.
15 1.1 mrg *
16 1.1 mrg * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 1.1 mrg * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 1.1 mrg * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 1.1 mrg * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 1.1 mrg * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 1.1 mrg * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 1.1 mrg * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 1.1 mrg * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 1.1 mrg * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 1.1 mrg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 1.1 mrg * SUCH DAMAGE.
27 1.1 mrg */
28 1.1 mrg #include <sys/cdefs.h>
29 1.1 mrg
30 1.1 mrg #ifndef lint
31 1.2 mrg __RCSID("$NetBSD: sparc.c,v 1.2 2021/12/11 19:24:22 mrg Exp $");
32 1.1 mrg #endif
33 1.1 mrg
34 1.1 mrg #include <sys/types.h>
35 1.1 mrg #include <sys/cpuio.h>
36 1.1 mrg #include <sys/sysctl.h>
37 1.1 mrg
38 1.1 mrg #include <machine/cpu.h>
39 1.1 mrg
40 1.1 mrg #include <stdio.h>
41 1.1 mrg #include <err.h>
42 1.1 mrg
43 1.1 mrg #include "../cpuctl.h"
44 1.1 mrg #include "../../../sys/arch/sparc/sparc/cache_print.h"
45 1.1 mrg
46 1.1 mrg void
47 1.1 mrg identifycpu(int fd, const char *cpuname)
48 1.1 mrg {
49 1.1 mrg char path[128];
50 1.1 mrg char *name;
51 1.1 mrg char *fpuname;
52 1.1 mrg int cpu_arch, mid, hz;
53 1.1 mrg struct cacheinfo cacheinfo;
54 1.1 mrg size_t len;
55 1.1 mrg
56 1.1 mrg len = sizeof(cpu_arch);
57 1.1 mrg if (sysctlbyname("machdep.cpu_arch", &cpu_arch, &len, 0, 0) == -1)
58 1.1 mrg err(1, "couldn't get machdep.cpu_arch");
59 1.1 mrg
60 1.1 mrg snprintf(path, sizeof path, "hw.%s.cacheinfo", cpuname);
61 1.1 mrg len = sizeof(cacheinfo);
62 1.1 mrg if (sysctlbyname(path, &cacheinfo, &len, 0, 0) == -1)
63 1.1 mrg err(1, "couldn't get %s", path);
64 1.1 mrg
65 1.1 mrg snprintf(path, sizeof path, "hw.%s.mid", cpuname);
66 1.1 mrg len = sizeof(mid);
67 1.1 mrg if (sysctlbyname(path, &mid, &len, 0, 0) == -1)
68 1.1 mrg err(1, "couldn't get %s", path);
69 1.1 mrg
70 1.1 mrg snprintf(path, sizeof path, "hw.%s.clock_frequency", cpuname);
71 1.1 mrg len = sizeof(hz);
72 1.1 mrg if (sysctlbyname(path, &hz, &len, 0, 0) == -1)
73 1.1 mrg err(1, "couldn't get %s", path);
74 1.1 mrg snprintf(path, sizeof path, "hw.%s.name", cpuname);
75 1.1 mrg name = asysctlbyname(path, &len);
76 1.1 mrg
77 1.1 mrg snprintf(path, sizeof path, "hw.%s.fpuname", cpuname);
78 1.1 mrg fpuname = asysctlbyname(path, &len);
79 1.1 mrg
80 1.1 mrg printf("%s: mid %d: %s @ %d MHz, %s FPU\n", cpuname, mid, name, hz / 1000000, fpuname);
81 1.1 mrg cache_printf_backend(&cacheinfo, cpuname);
82 1.1 mrg
83 1.1 mrg printf("%s: SPARC v%d\n", cpuname, cpu_arch);
84 1.1 mrg }
85 1.1 mrg
86 1.1 mrg bool
87 1.1 mrg identifycpu_bind(void)
88 1.1 mrg {
89 1.1 mrg
90 1.1 mrg return false;
91 1.1 mrg }
92 1.1 mrg
93 1.1 mrg int
94 1.1 mrg ucodeupdate_check(int fd, struct cpu_ucode *uc)
95 1.1 mrg {
96 1.1 mrg
97 1.1 mrg return 0;
98 1.1 mrg }
99