Annotation of sys/arch/hppa64/dev/cpu.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: cpu.c,v 1.2 2005/05/22 01:38:09 mickey Exp $ */
2:
3: /*
4: * Copyright (c) 2005 Michael Shalayeff
5: * All rights reserved.
6: *
7: * Permission to use, copy, modify, and distribute this software for any
8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
10: *
11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN
16: * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
17: * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18: */
19:
20: #include <sys/param.h>
21: #include <sys/systm.h>
22: #include <sys/device.h>
23: #include <sys/reboot.h>
24:
25: #include <machine/pdc.h>
26: #include <machine/reg.h>
27: #include <machine/iomod.h>
28: #include <machine/autoconf.h>
29:
30: #include <arch/hppa/dev/cpudevs.h>
31:
32: struct cpu_softc {
33: struct device sc_dev;
34:
35: hppa_hpa_t sc_hpa;
36: void *sc_ih;
37: };
38:
39: int cpumatch(struct device *, void *, void *);
40: void cpuattach(struct device *, struct device *, void *);
41:
42: struct cfattach cpu_ca = {
43: sizeof(struct cpu_softc), cpumatch, cpuattach
44: };
45:
46: struct cfdriver cpu_cd = {
47: NULL, "cpu", DV_DULL
48: };
49:
50: int
51: cpumatch(parent, cfdata, aux)
52: struct device *parent;
53: void *cfdata;
54: void *aux;
55: {
56: struct confargs *ca = aux;
57: /* struct cfdata *cf = cfdata; */
58:
59: if ((ca->ca_name && !strcmp(ca->ca_name, "cpu")) ||
60: (ca->ca_type.iodc_type == HPPA_TYPE_NPROC &&
61: ca->ca_type.iodc_sv_model == HPPA_NPROC_HPPA))
62: return 1;
63:
64: return 0;
65: }
66:
67: int
68: cpu_hardclock(void *v)
69: {
70: hardclock(v);
71: return (1);
72: }
73:
74: void
75: cpuattach(parent, self, aux)
76: struct device *parent;
77: struct device *self;
78: void *aux;
79: {
80: /* machdep.c */
81: extern struct pdc_model pdc_model;
82: extern struct pdc_cache pdc_cache;
83: extern u_int cpu_ticksnum, cpu_ticksdenom;
84: extern u_int fpu_enable;
85:
86: /* struct cpu_softc *sc = (struct cpu_softc *)self; */
87: /* struct confargs *ca = aux; */
88: u_int mhz = 100 * cpu_ticksnum / cpu_ticksdenom;
89: const char *p;
90:
91: printf (": %s ", cpu_typename);
92: if (pdc_model.hvers) {
93: static const char lvls[4][4] = { "0", "1", "1.5", "2" };
94:
95: printf("L%s-%c ", lvls[pdc_model.pa_lvl], "AB"[pdc_model.mc]);
96: }
97:
98: printf ("%d", mhz / 100);
99: if (mhz % 100 > 9)
100: printf(".%02d", mhz % 100);
101: printf("MHz");
102:
103: if (fpu_enable) {
104: extern u_int fpu_version;
105: u_int32_t ver[2];
106:
107: mtctl(fpu_enable, CR_CCR);
108: __asm volatile(
109: "fstds %%fr0,0(%0)\n\t"
110: "copr,0,0\n\t"
111: "fstds %%fr0,0(%0)"
112: :: "r" (&ver) : "memory");
113: mtctl(0, CR_CCR);
114: fpu_version = HPPA_FPUVER(ver[0]);
115: printf(", FPU %s rev %d",
116: hppa_mod_info(HPPA_TYPE_FPU, fpu_version >> 5),
117: fpu_version & 0x1f);
118: }
119:
120: printf("\n%s: ", self->dv_xname);
121: p = "";
122: if (!pdc_cache.dc_conf.cc_sh) {
123: printf("%uK(%db/l) Icache, ",
124: pdc_cache.ic_size / 1024, pdc_cache.ic_conf.cc_line * 16);
125: p = "D";
126: }
127: printf("%uK(%db/l) wr-%s %scoherent %scache, ",
128: pdc_cache.dc_size / 1024, pdc_cache.dc_conf.cc_line * 16,
129: pdc_cache.dc_conf.cc_wt? "thru" : "back",
130: pdc_cache.dc_conf.cc_cst? "" : "in", p);
131:
132: p = "";
133: if (!pdc_cache.dt_conf.tc_sh) {
134: printf("%u ITLB, ", pdc_cache.it_size);
135: p = "D";
136: }
137: printf("%u %scoherent %sTLB\n",
138: pdc_cache.dt_size, pdc_cache.dt_conf.tc_cst? "" : "in", p);
139:
140: /* TODO spin up others */
141: }
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