![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to pe_init.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Apple XNU] / XNU / pexpert / i386|
Return to pe_init.c CVS log | Up to [Apple XNU] / XNU / pexpert / i386 |
1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /*
23: * file: pe_init.c
24: * i386 platform expert initialization.
25: */
26: #include <pexpert/pexpert.h>
27: #include <pexpert/boot.h>
28:
29: #include "fakePPCStructs.h"
30: #include "fakePPCDeviceTree.h"
31:
32: /* extern references */
33: void pe_identify_machine(void *args);
34:
35: /* Local references */
36: void display_machine_class(void);
37:
38: /* private globals */
39: PE_state_t PE_state;
40:
41: static __inline__ void outb(unsigned short port,
42: unsigned char datum)
43: {
44: __asm__ volatile("outb %0, %1" : : "a" (datum), "d" (port));
45: }
46:
47: void PE_init_iokit(void)
48: {
49: extern int StartIOKit( void * p1, void * p2, void * p3, void * p4);
50: long *dt;
51:
52: dt = (long *) createdt(
53: fakePPCDeviceTree,
54: &((boot_args*)PE_state.fakePPCBootArgs)->deviceTreeLength);
55:
56: /* Setup powermac_info and powermac_machine_info structures */
57:
58: ((boot_args*)PE_state.fakePPCBootArgs)->deviceTreeP = (unsigned long) dt;
59: ((boot_args*)PE_state.fakePPCBootArgs)->topOfKernelData = (unsigned int) kalloc(0x2000);
60:
61: /*
62: * Setup the OpenFirmware Device Tree routines
63: * so the console can be found and the right I/O space
64: * can be used..
65: */
66: DTInit(dt);
67:
68: (void) StartIOKit( (void*)dt, (void*)PE_state.fakePPCBootArgs, 0, 0);
69: }
70:
71:
72:
73: void PE_init_platform(boolean_t vm_initialized, void *args)
74: {
75: if (PE_state.initialized == FALSE)
76: {
77: PE_state.initialized = TRUE;
78: PE_state.bootArgs = args;
79: PE_state.video.v_baseAddr = ((KERNBOOTSTRUCT *)args)->video.v_baseAddr;
80: PE_state.video.v_rowBytes = ((KERNBOOTSTRUCT *)args)->video.v_rowBytes;
81: PE_state.video.v_height = ((KERNBOOTSTRUCT *)args)->video.v_height;
82: PE_state.video.v_width = ((KERNBOOTSTRUCT *)args)->video.v_width;
83: PE_state.video.v_depth = ((KERNBOOTSTRUCT *)args)->video.v_depth;
84: PE_state.fakePPCBootArgs = (boot_args *)&fakePPCBootArgs;
85: ((boot_args *)PE_state.fakePPCBootArgs)->machineType = 386;
86: }
87:
88: if (!vm_initialized)
89: {
90: /* Hack! FIXME.. */
91: outb(0x21, 0xff); /* Maskout all interrupts Pic1 */
92: outb(0xa1, 0xff); /* Maskout all interrupts Pic2 */
93:
94: //pe_identify_machine(args);
95: }
96: else
97: {
98: }
99: }
100:
101: int PE_current_console( PE_Video * info )
102: {
103: *info = PE_state.video;
104: return( 0);
105: }
106:
107: int PE_initialize_console( PE_Video * info, int enable )
108: {
109: return( 0);
110: }
111:
112: extern boolean_t PE_get_hotkey( unsigned char key)
113: {
114: return( FALSE);
115: }
116:
117: void PE_display_icon( unsigned int flags,
118: const char * name )
119: {
120: }
121:
122: void display_machine_class()
123: {
124: }
125:
126: void PE_pause(int seconds)
127: {
128: int x, y, z;
129:
130: for (x = 0; x < (500000*seconds); x++)
131: for (y = 0; y < 100; y++)
132: z = x ^ y;
133: }
134:
135: void NO_ENTRY() { }
136:
137: void PE_register_timebase_callback(timebase_callback_func callback)
138: {
139: // This should save the callback.
140: // powermac_info.timebase_callback = callback;
141:
142: PE_call_timebase_callback();
143: }
144:
145: void PE_call_timebase_callback(void)
146: {
147: struct timebase_freq_t timebase_freq;
148:
149: // This should return the real time base freq...
150: timebase_freq.timebase_num = 25000000;
151: timebase_freq.timebase_den = 1;
152:
153: // This should call the saved callback.
154: // if (powermac_info.timebase_callback)
155: // powermac_info.timebase_callback(&timebase_freq);
156: }
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.