alpha_prom.h Source File
Back to the index.
src
include
thirdparty
alpha_prom.h
Go to the documentation of this file.
1
/* GXemul: $Id: alpha_prom.h,v 1.2 2006-09-01 16:40:57 debug Exp $ */
2
/* $NetBSD: prom.h,v 1.12 2000/06/08 03:10:06 thorpej Exp $ */
3
4
/*
5
* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
6
* All rights reserved.
7
*
8
* Author: Keith Bostic, Chris G. Demetriou
9
*
10
* Permission to use, copy, modify and distribute this software and
11
* its documentation is hereby granted, provided that both the copyright
12
* notice and this permission notice appear in all copies of the
13
* software, derivative works or modified versions, and any portions
14
* thereof, and that both notices appear in supporting documentation.
15
*
16
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
17
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
18
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19
*
20
* Carnegie Mellon requests users of this software to return to
21
*
22
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
23
* School of Computer Science
24
* Carnegie Mellon University
25
* Pittsburgh PA 15213-3890
26
*
27
* any improvements or extensions that they make and grant Carnegie the
28
* rights to redistribute these changes.
29
*/
30
31
#if 0
32
33
#ifndef ASSEMBLER
34
struct
prom_vec {
35
u_int64_t routine;
36
void
*routine_arg;
37
};
38
39
/* The return value from a prom call. */
40
typedef
union
{
41
struct
{
42
u_int64_t
43
retval : 32,
/* return value. */
44
unit : 8,
45
mbz : 8,
46
error : 13,
47
status : 3;
48
} u;
49
u_int64_t bits;
50
} prom_return_t;
51
52
#ifdef _STANDALONE
53
int
getchar(
void
);
54
void
putchar(
int
);
55
#endif
56
57
void
prom_halt(
int
)
__attribute__
((
__noreturn__
));
58
int
prom_getenv(
int
,
char
*,
int
);
59
60
void
hwrpb_primary_init(
void
);
61
void
hwrpb_restart_setup(
void
);
62
#endif
63
64
#endif
65
66
/* Prom operation values. */
67
#define PROM_R_CLOSE 0x11
68
#define PROM_R_GETC 0x01
69
#define PROM_R_GETENV 0x22
70
#define PROM_R_OPEN 0x10
71
#define PROM_R_PUTS 0x02
72
#define PROM_R_READ 0x13
73
#define PROM_R_WRITE 0x14
74
#define PROM_R_IOCTL 0x12
75
76
/* Prom IOCTL operation subcodes */
77
#define PROM_I_SKIP2IRG 1
78
#define PROM_I_SKIP2MARK 2
79
#define PROM_I_REWIND 3
80
#define PROM_I_WRITEMARK 4
81
82
/* Environment variable values. */
83
#define PROM_E_BOOTED_DEV 0x4
84
#define PROM_E_BOOTED_FILE 0x6
85
#define PROM_E_BOOTED_OSFLAGS 0x8
86
#define PROM_E_TTY_DEV 0xf
87
#define PROM_E_SCSIID 0x42
88
#define PROM_E_SCSIFAST 0x43
89
90
#if defined(_STANDALONE) || defined(ENABLEPROM)
91
/*
92
* These can't be called from the kernel without great care.
93
*
94
* There have to be stub routines to do the copying that ensures that the
95
* PROM doesn't get called with an address larger than 32 bits. Calls that
96
* either don't need to copy anything, or don't need the copy because it's
97
* already being done elsewhere, are defined here.
98
*/
99
#define prom_open(dev, len) \
100
prom_dispatch(PROM_R_OPEN, (dev), (len), 0, 0)
101
#define prom_close(chan) \
102
prom_dispatch(PROM_R_CLOSE, chan, 0, 0, 0)
103
#define prom_read(chan, len, buf, blkno) \
104
prom_dispatch(PROM_R_READ, chan, len, (u_int64_t)buf, blkno)
105
#define prom_write(chan, len, buf, blkno) \
106
prom_dispatch(PROM_R_WRITE, chan, len, (u_int64_t)buf, blkno)
107
#define prom_ioctl(chan, op, count) \
108
prom_dispatch(PROM_R_IOCTL, chan, op, (int64_t)count, 0, 0)
109
#define prom_putstr(chan, str, len) \
110
prom_dispatch(PROM_R_PUTS, chan, (u_int64_t)str, len, 0)
111
#define prom_getc(chan) \
112
prom_dispatch(PROM_R_GETC, chan, 0, 0, 0)
113
#define prom_getenv_disp(id, buf, len) \
114
prom_dispatch(PROM_R_GETENV, id, (u_int64_t)buf, len, 0)
115
#endif
116
117
#ifndef ASSEMBLER
118
#ifdef _KERNEL
119
int
prom_enter(
void
);
120
void
prom_leave(
int
);
121
122
void
promcnputc(dev_t,
int
);
123
int
promcngetc(dev_t);
124
int
promcnlookc(dev_t,
char
*);
125
126
u_int64_t prom_dispatch(u_int64_t, u_int64_t, u_int64_t, u_int64_t,
127
u_int64_t);
128
#endif
/* _KERNEL */
129
#endif
/* ASSEMBLER */
__attribute__
#define __attribute__(x)
Definition:
dp83932reg.h:15
__noreturn__
#define __noreturn__
Definition:
dp83932reg.h:16
Generated on Tue Aug 25 2020 19:25:06 for GXemul by
1.8.18