Annotation of sys/arch/vax/vax/ka630.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: ka630.c,v 1.9 2003/06/02 23:27:58 millert Exp $ */
2: /* $NetBSD: ka630.c,v 1.17 1999/09/06 19:52:52 ragge Exp $ */
3: /*-
4: * Copyright (c) 1982, 1988, 1990, 1993
5: * The Regents of the University of California. 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: * 3. Neither the name of the University nor the names of its contributors
16: * may be used to endorse or promote products derived from this software
17: * without specific prior written permission.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29: * SUCH DAMAGE.
30: *
31: * @(#)ka630.c 7.8 (Berkeley) 5/9/91
32: */
33:
34: #include <sys/param.h>
35: #include <sys/types.h>
36: #include <sys/device.h>
37: #include <sys/kernel.h>
38: #include <sys/time.h>
39: #include <sys/systm.h>
40:
41: #include <uvm/uvm_extern.h>
42:
43: #include <machine/cpu.h>
44: #include <machine/pmap.h>
45: #include <machine/ka630.h>
46: #include <machine/clock.h>
47: #include <machine/vsbus.h>
48:
49: static struct uvaxIIcpu *uvaxIIcpu_ptr;
50:
51: static void ka630_conf(void);
52: static void ka630_memerr(void);
53: static int ka630_mchk(caddr_t);
54: static void ka630_halt(void);
55: static void ka630_reboot(int);
56: static void ka630_clrf(void);
57:
58: struct cpu_dep ka630_calls = {
59: 0,
60: ka630_mchk,
61: ka630_memerr,
62: ka630_conf,
63: chip_clkread,
64: chip_clkwrite,
65: 1, /* ~VUPS */
66: 2, /* SCB pages */
67: ka630_halt,
68: ka630_reboot,
69: ka630_clrf,
70: };
71:
72: /*
73: * uvaxII_conf() is called by cpu_attach to do the cpu_specific setup.
74: */
75: void
76: ka630_conf()
77: {
78: clk_adrshift = 0; /* Addressed at short's... */
79: clk_tweak = 0; /* ...and no shifting */
80: clk_page = (short *)vax_map_physmem((paddr_t)KA630CLK, 1);
81:
82: uvaxIIcpu_ptr = (void *)vax_map_physmem(VS_REGS, 1);
83:
84: /*
85: * Enable memory parity error detection and clear error bits.
86: */
87: uvaxIIcpu_ptr->uvaxII_mser = (UVAXIIMSER_PEN | UVAXIIMSER_MERR |
88: UVAXIIMSER_LEB);
89: }
90:
91: /* log crd errors */
92: void
93: ka630_memerr()
94: {
95: printf("memory err!\n");
96: }
97:
98: #define NMC78032 10
99: char *mc78032[] = {
100: 0, "immcr (fsd)", "immcr (ssd)", "fpu err 0",
101: "fpu err 7", "mmu st(tb)", "mmu st(m=0)", "pte in p0",
102: "pte in p1", "un intr id",
103: };
104:
105: struct mc78032frame {
106: int mc63_bcnt; /* byte count == 0xc */
107: int mc63_summary; /* summary parameter */
108: int mc63_mrvaddr; /* most recent vad */
109: int mc63_istate; /* internal state */
110: int mc63_pc; /* trapped pc */
111: int mc63_psl; /* trapped psl */
112: };
113:
114: int
115: ka630_mchk(cmcf)
116: caddr_t cmcf;
117: {
118: register struct mc78032frame *mcf = (struct mc78032frame *)cmcf;
119: register u_int type = mcf->mc63_summary;
120:
121: printf("machine check %x", type);
122: if (type < NMC78032 && mc78032[type])
123: printf(": %s", mc78032[type]);
124: printf("\n\tvap %x istate %x pc %x psl %x\n",
125: mcf->mc63_mrvaddr, mcf->mc63_istate,
126: mcf->mc63_pc, mcf->mc63_psl);
127: if (uvaxIIcpu_ptr && uvaxIIcpu_ptr->uvaxII_mser & UVAXIIMSER_MERR) {
128: printf("\tmser=0x%lx ", uvaxIIcpu_ptr->uvaxII_mser);
129: if (uvaxIIcpu_ptr->uvaxII_mser & UVAXIIMSER_CPUE)
130: printf("page=%ld", uvaxIIcpu_ptr->uvaxII_cear);
131: if (uvaxIIcpu_ptr->uvaxII_mser & UVAXIIMSER_DQPE)
132: printf("page=%ld", uvaxIIcpu_ptr->uvaxII_dear);
133: printf("\n");
134: }
135: return (-1);
136: }
137:
138: static void
139: ka630_halt()
140: {
141: ((struct ka630clock *)clk_page)->cpmbx = KA630CLK_DOTHIS|KA630CLK_HALT;
142: asm("halt");
143: }
144:
145: static void
146: ka630_reboot(arg)
147: int arg;
148: {
149: ((struct ka630clock *)clk_page)->cpmbx =
150: KA630CLK_DOTHIS | KA630CLK_REBOOT;
151: }
152:
153: /*
154: * Clear restart and boot in progress flags in the CPMBX.
155: */
156: static void
157: ka630_clrf()
158: {
159: short i = ((struct ka630clock *)clk_page)->cpmbx;
160:
161: ((struct ka630clock *)clk_page)->cpmbx = i & KA630CLK_LANG;
162: }
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