1 |
#ifndef OF_H |
2 |
#define OF_H |
3 |
|
4 |
/* |
5 |
* Copyright (C) 2005 Anders Gavare. 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 are met: |
9 |
* |
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. The name of the author may not be used to endorse or promote products |
16 |
* derived from this software without specific prior written permission. |
17 |
* |
18 |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
19 |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
20 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
21 |
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
22 |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
23 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
24 |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
25 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
26 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
27 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
28 |
* SUCH DAMAGE. |
29 |
* |
30 |
* $Id: of.h,v 1.6 2005/11/30 05:01:52 debug Exp $ |
31 |
* |
32 |
* OpenFirmware emulation. (See src/promemul/of.c for details.) |
33 |
*/ |
34 |
|
35 |
struct machine; |
36 |
struct cpu; |
37 |
struct vfb_data; |
38 |
|
39 |
#ifdef OF_C |
40 |
|
41 |
#define OF_N_MAX_ARGS 10 |
42 |
#define OF_ARG_MAX_LEN 4096 |
43 |
|
44 |
struct of_device_property { |
45 |
struct of_device_property *next; |
46 |
char *name; |
47 |
|
48 |
unsigned char *data; |
49 |
uint32_t len; |
50 |
int flags; |
51 |
}; |
52 |
|
53 |
#define OF_PROP_STRING 1 |
54 |
#define OF_PROP_INT 2 |
55 |
|
56 |
struct of_device { |
57 |
struct of_device *next; |
58 |
int handle; |
59 |
int parent; |
60 |
char *name; |
61 |
struct of_device_property *properties; |
62 |
}; |
63 |
|
64 |
#define OF_FIND(ptr,cond) for (; ptr != NULL; ptr = ptr->next) \ |
65 |
if (cond) \ |
66 |
break; |
67 |
|
68 |
#define OF_SERVICE_ARGS struct cpu *, char **, uint64_t, uint64_t |
69 |
|
70 |
/* |
71 |
* OpenFirmare service 'name' is defined by a OF_SERVICE(name). The code |
72 |
* implementing the service should use OF_GET_ARG to read numerical arguments |
73 |
* and use arg[] for strings. |
74 |
*/ |
75 |
#define OF_SERVICE(n) static int of__ ## n (struct cpu *cpu, \ |
76 |
char **arg, uint64_t base, uint64_t retofs) |
77 |
#define OF_GET_ARG(i) load_32bit_word(cpu, base + 12 + \ |
78 |
sizeof(uint32_t) * (i)) |
79 |
|
80 |
struct of_service { |
81 |
struct of_service *next; |
82 |
char *name; |
83 |
int (*f)(OF_SERVICE_ARGS); |
84 |
int n_args; |
85 |
int n_ret_args; |
86 |
}; |
87 |
|
88 |
struct of_data { |
89 |
struct of_device *of_devices; |
90 |
struct of_service *of_services; |
91 |
|
92 |
/* For framebuffers: */ |
93 |
struct vfb_data *vfb_data; |
94 |
}; |
95 |
|
96 |
#endif /* OF_C */ |
97 |
|
98 |
|
99 |
struct of_data *of_emul_init(struct machine *machine, struct vfb_data *, |
100 |
uint64_t fb_addr, int fb_xsize, int fb_ysize); |
101 |
|
102 |
void of_emul_init_uninorth(struct machine *); |
103 |
void of_emul_init_isa(struct machine *); |
104 |
void of_emul_init_adb(struct machine *); |
105 |
void of_emul_init_zs(struct machine *); |
106 |
|
107 |
int of_emul(struct cpu *cpu); |
108 |
|
109 |
|
110 |
#endif /* OF_H */ |