Annotation of sys/arch/hppa/include/cpu.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: cpu.h,v 1.51 2007/07/20 22:12:39 kettenis Exp $ */
2:
3: /*
4: * Copyright (c) 2000-2004 Michael Shalayeff
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 OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
20: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22: * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
25: * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26: * THE POSSIBILITY OF SUCH DAMAGE.
27: */
28: /*
29: * Copyright (c) 1988-1994, The University of Utah and
30: * the Computer Systems Laboratory at the University of Utah (CSL).
31: * All rights reserved.
32: *
33: * Permission to use, copy, modify and distribute this software is hereby
34: * granted provided that (1) source code retains these copyright, permission,
35: * and disclaimer notices, and (2) redistributions including binaries
36: * reproduce the notices in supporting documentation, and (3) all advertising
37: * materials mentioning features or use of this software display the following
38: * acknowledgement: ``This product includes software developed by the
39: * Computer Systems Laboratory at the University of Utah.''
40: *
41: * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
42: * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
43: * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
44: *
45: * CSL requests users of this software to return to csl-dist@cs.utah.edu any
46: * improvements that they make and grant CSL redistribution rights.
47: *
48: * Utah $Hdr: cpu.h 1.19 94/12/16$
49: */
50:
51: #ifndef _MACHINE_CPU_H_
52: #define _MACHINE_CPU_H_
53:
54: #include <machine/trap.h>
55: #include <machine/frame.h>
56:
57: /*
58: * CPU types and features
59: */
60: #define HPPA_FTRS_TLBU 0x00000001
61: #define HPPA_FTRS_BTLBU 0x00000002
62: #define HPPA_FTRS_HVT 0x00000004
63: #define HPPA_FTRS_W32B 0x00000008
64:
65: #ifndef _LOCORE
66: #ifdef _KERNEL
67: #include <sys/sched.h>
68:
69: struct cpu_info {
70: struct proc *ci_curproc;
71:
72: struct schedstate_percpu ci_schedstate;
73: };
74:
75: extern struct cpu_info cpu_info_primary;
76:
77: #define curcpu() (&cpu_info_primary)
78:
79: #define CPU_IS_PRIMARY(ci) 1
80: #define CPU_INFO_ITERATOR int
81: #define CPU_INFO_FOREACH(cii, ci) \
82: for (cii = 0, ci = curcpu(); ci != NULL; ci = NULL)
83:
84: #define cpu_number() 0
85:
86: /* types */
87: enum hppa_cpu_type {
88: hpcxs, hpcxt, hpcxta, hpcxl, hpcxl2, hpcxu, hpcxu2, hpcxw
89: };
90: extern enum hppa_cpu_type cpu_type;
91: extern const char *cpu_typename;
92: extern int cpu_hvers;
93: #endif
94: #endif
95:
96: /*
97: * COPR/SFUs
98: */
99: #define HPPA_FPUS 0xc0
100: #define HPPA_FPUVER(w) (((w) & 0x003ff800) >> 11)
101: #define HPPA_FPU_OP(w) ((w) >> 26)
102: #define HPPA_FPU_UNMPL 0x01 /* exception reg, the rest is << 1 */
103: #define HPPA_FPU_ILL 0x80 /* software-only */
104: #define HPPA_FPU_I 0x01
105: #define HPPA_FPU_U 0x02
106: #define HPPA_FPU_O 0x04
107: #define HPPA_FPU_Z 0x08
108: #define HPPA_FPU_V 0x10
109: #define HPPA_FPU_D 0x20
110: #define HPPA_FPU_T 0x40
111: #define HPPA_FPU_XMASK 0x7f
112: #define HPPA_FPU_T_POS 25
113: #define HPPA_FPU_RM 0x00000600
114: #define HPPA_FPU_CQ 0x00fff800
115: #define HPPA_FPU_C 0x04000000
116: #define HPPA_FPU_FLSH 27
117: #define HPPA_FPU_INIT (0)
118: #define HPPA_FPU_FORK(s) ((s) & ~((u_int64_t)(HPPA_FPU_XMASK)<<32))
119: #define HPPA_PMSFUS 0x20 /* ??? */
120:
121: /*
122: * Exported definitions unique to hp700/PA-RISC cpu support.
123: */
124:
125: #define HPPA_PGALIAS 0x00100000
126: #define HPPA_PGAMASK 0xfff00000
127: #define HPPA_PGAOFF 0x000fffff
128:
129: #define HPPA_IOBEGIN 0xf0000000
130: #define HPPA_IOLEN 0x10000000
131: #define HPPA_PDC_LOW 0xef000000
132: #define HPPA_PDC_HIGH 0xf1000000
133: #define HPPA_IOBCAST 0xfffc0000
134: #define HPPA_LBCAST 0xfffc0000
135: #define HPPA_GBCAST 0xfffe0000
136: #define HPPA_FPA 0xfff80000
137: #define HPPA_FLEX_DATA 0xfff80001
138: #define HPPA_DMA_ENABLE 0x00000001
139: #define HPPA_FLEX_MASK 0xfffc0000
140: #define HPPA_FLEX(a) (((a) & HPPA_FLEX_MASK) >> 18)
141: #define HPPA_SPA_ENABLE 0x00000020
142: #define HPPA_NMODSPBUS 64
143:
144: #define clockframe trapframe
145: #define CLKF_PC(framep) ((framep)->tf_iioq_head)
146: #define CLKF_INTR(framep) ((framep)->tf_flags & TFF_INTR)
147: #define CLKF_USERMODE(framep) ((framep)->tf_flags & T_USER)
148: #define CLKF_SYSCALL(framep) ((framep)->tf_flags & TFF_SYS)
149:
150: #define signotify(p) (setsoftast())
151: #define need_resched(ci) (want_resched = 1, setsoftast())
152: #define need_proftick(p) setsoftast()
153: #define PROC_PC(p) ((p)->p_md.md_regs->tf_iioq_head)
154:
155: #ifndef _LOCORE
156: #ifdef _KERNEL
157: #define MD_CACHE_FLUSH 0
158: #define MD_CACHE_PURGE 1
159: #define MD_CACHE_CTL(a,s,t) \
160: (((t)? pdcache : fdcache) (HPPA_SID_KERNEL,(vaddr_t)(a),(s)))
161:
162: extern int want_resched;
163:
164: #define DELAY(x) delay(x)
165:
166: extern int (*cpu_desidhash)(void);
167:
168: void delay(u_int us);
169: void hppa_init(paddr_t start);
170: void trap(int type, struct trapframe *frame);
171: int spcopy(pa_space_t ssp, const void *src,
172: pa_space_t dsp, void *dst, size_t size);
173: int spstrcpy(pa_space_t ssp, const void *src,
174: pa_space_t dsp, void *dst, size_t size, size_t *rsize);
175: int copy_on_fault(void);
176: void switch_trampoline(void);
177: int cpu_dumpsize(void);
178: int cpu_dump(void);
179: #endif
180:
181: /*
182: * Boot arguments stuff
183: */
184:
185: #define BOOTARG_LEN (NBPG)
186: #define BOOTARG_OFF (0x10000)
187:
188: /*
189: * CTL_MACHDEP definitions.
190: */
191: #define CPU_CONSDEV 1 /* dev_t: console terminal device */
192: #define CPU_FPU 2 /* int: fpu present/enabled */
193: #define CPU_LED_BLINK 3 /* int: twiddle heartbeat LED/LCD */
194: #define CPU_MAXID 4 /* number of valid machdep ids */
195:
196: #define CTL_MACHDEP_NAMES { \
197: { 0, 0 }, \
198: { "console_device", CTLTYPE_STRUCT }, \
199: { "fpu", CTLTYPE_INT }, \
200: { "led_blink", CTLTYPE_INT }, \
201: }
202:
203: #ifdef _KERNEL
204: #include <sys/queue.h>
205:
206: struct blink_led {
207: void (*bl_func)(void *, int);
208: void *bl_arg;
209: SLIST_ENTRY(blink_led) bl_next;
210: };
211:
212: extern void blink_led_register(struct blink_led *);
213: #endif
214: #endif
215:
216: #endif /* _MACHINE_CPU_H_ */
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