1 /*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
7 *
8 * This file contains Original Code and/or Modifications of Original Code
9 * as defined in and that are subject to the Apple Public Source License
10 * Version 2.0 (the 'License'). You may not use this file except in
11 * compliance with the License. Please obtain a copy of the License at
12 * http://www.opensource.apple.com/apsl/ and read it before using this
13 * file.
14 *
15 * The Original Code and all software distributed under the License are
16 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
17 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
18 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
20 * Please see the License for the specific language governing rights and
21 * limitations under the License.
22 *
23 * @APPLE_LICENSE_HEADER_END@
24 */
25 /*
26 * @OSF_COPYRIGHT@
27 */
28
29 #ifndef _I386_MACHINE_ROUTINES_H_
30 #define _I386_MACHINE_ROUTINES_H_
31
32 #include <mach/mach_types.h>
33 #include <mach/boolean.h>
34 #include <kern/kern_types.h>
35 #include <pexpert/pexpert.h>
36
37 #include <sys/appleapiopts.h>
38
39 /* Interrupt handling */
40
41 /* Initialize Interrupts */
42 void ml_init_interrupt(void);
43
44 /* Get Interrupts Enabled */
45 boolean_t ml_get_interrupts_enabled(void);
46
47 /* Set Interrupts Enabled */
48 boolean_t ml_set_interrupts_enabled(boolean_t enable);
49
50 /* Check if running at interrupt context */
51 boolean_t ml_at_interrupt_context(void);
52
53 /* Generate a fake interrupt */
54 void ml_cause_interrupt(void);
55
56 void ml_get_timebase(unsigned long long *timestamp);
57
58 /* Type for the Time Base Enable function */
59 typedef void (*time_base_enable_t)(cpu_id_t cpu_id, boolean_t enable);
60
61 /* Type for the IPI Hander */
62 typedef void (*ipi_handler_t)(void);
63
64 /* Struct for ml_processor_register */
65 struct ml_processor_info {
66 cpu_id_t cpu_id;
67 boolean_t boot_cpu;
68 vm_offset_t start_paddr;
69 boolean_t supports_nap;
70 unsigned long l2cr_value;
71 time_base_enable_t time_base_enable;
72 };
73
74 typedef struct ml_processor_info ml_processor_info_t;
75
76 /* Register a processor */
77 kern_return_t ml_processor_register(
78 cpu_id_t cpu_id,
79 uint32_t lapic_id,
80 processor_t *processor,
81 ipi_handler_t *ipi_handler,
82 boolean_t boot_cpu);
83
84 /* Initialize Interrupts */
85 void ml_install_interrupt_handler(
86 void *nub,
87 int source,
88 void *target,
89 IOInterruptHandler handler,
90 void *refCon);
91
92 #ifdef __APPLE_API_UNSTABLE
93 vm_offset_t
94 ml_static_ptovirt(
95 vm_offset_t);
96
97 /* PCI config cycle probing */
98 boolean_t ml_probe_read(
99 vm_offset_t paddr,
100 unsigned int *val);
101 boolean_t ml_probe_read_64(
102 addr64_t paddr,
103 unsigned int *val);
104
105 /* Read physical address byte */
106 unsigned int ml_phys_read_byte(
107 vm_offset_t paddr);
108 unsigned int ml_phys_read_byte_64(
109 addr64_t paddr);
110
111 /* Read physical address half word */
112 unsigned int ml_phys_read_half(
113 vm_offset_t paddr);
114 unsigned int ml_phys_read_half_64(
115 addr64_t paddr);
116
117 /* Read physical address word*/
118 unsigned int ml_phys_read(
119 vm_offset_t paddr);
120 unsigned int ml_phys_read_64(
121 addr64_t paddr);
122 unsigned int ml_phys_read_word(
123 vm_offset_t paddr);
124 unsigned int ml_phys_read_word_64(
125 addr64_t paddr);
126
127 /* Read physical address double word */
128 unsigned long long ml_phys_read_double(
129 vm_offset_t paddr);
130 unsigned long long ml_phys_read_double_64(
131 addr64_t paddr);
132
133 /* Write physical address byte */
134 void ml_phys_write_byte(
135 vm_offset_t paddr, unsigned int data);
136 void ml_phys_write_byte_64(
137 addr64_t paddr, unsigned int data);
138
139 /* Write physical address half word */
140 void ml_phys_write_half(
141 vm_offset_t paddr, unsigned int data);
142 void ml_phys_write_half_64(
143 addr64_t paddr, unsigned int data);
144
145 /* Write physical address word */
146 void ml_phys_write(
147 vm_offset_t paddr, unsigned int data);
148 void ml_phys_write_64(
149 addr64_t paddr, unsigned int data);
150 void ml_phys_write_word(
151 vm_offset_t paddr, unsigned int data);
152 void ml_phys_write_word_64(
153 addr64_t paddr, unsigned int data);
154
155 /* Write physical address double word */
156 void ml_phys_write_double(
157 vm_offset_t paddr, unsigned long long data);
158 void ml_phys_write_double_64(
159 addr64_t paddr, unsigned long long data);
160
161 void ml_static_mfree(
162 vm_offset_t,
163 vm_size_t);
164
165 /* virtual to physical on wired pages */
166 vm_offset_t ml_vtophys(
167 vm_offset_t vaddr);
168
169 /* Struct for ml_cpu_get_info */
170 struct ml_cpu_info {
171 unsigned long vector_unit;
172 unsigned long cache_line_size;
173 unsigned long l1_icache_size;
174 unsigned long l1_dcache_size;
175 unsigned long l2_settings;
176 unsigned long l2_cache_size;
177 unsigned long l3_settings;
178 unsigned long l3_cache_size;
179 };
180
181 typedef struct ml_cpu_info ml_cpu_info_t;
182
183 /* Get processor info */
184 void ml_cpu_get_info(ml_cpu_info_t *cpu_info);
185
186 #endif /* __APPLE_API_UNSTABLE */
187
188 #ifdef __APPLE_API_PRIVATE
189 #if defined(PEXPERT_KERNEL_PRIVATE) || defined(MACH_KERNEL_PRIVATE)
190 /* IO memory map services */
191
192 /* Map memory map IO space */
193 vm_offset_t ml_io_map(
194 vm_offset_t phys_addr,
195 vm_size_t size);
196
197 /* boot memory allocation */
198 vm_offset_t ml_static_malloc(
199 vm_size_t size);
200
201 #endif /* PEXPERT_KERNEL_PRIVATE || MACH_KERNEL_PRIVATE */
202
203 /* Zero bytes starting at a physical address */
204 void bzero_phys(
205 addr64_t phys_address,
206 uint32_t length);
207
208 #ifdef MACH_KERNEL_PRIVATE
209
210 void machine_idle(void);
211
212 void machine_signal_idle(
213 processor_t processor);
214 #endif /* MACH_KERNEL_PRIVATE */
215
216 void ml_thread_policy(
217 thread_t thread,
218 unsigned policy_id,
219 unsigned policy_info);
220
221 #define MACHINE_GROUP 0x00000001
222 #define MACHINE_NETWORK_GROUP 0x10000000
223 #define MACHINE_NETWORK_WORKLOOP 0x00000001
224 #define MACHINE_NETWORK_NETISR 0x00000002
225
226 /* Initialize the maximum number of CPUs */
227 void ml_init_max_cpus(
228 unsigned long max_cpus);
229
230 /* Return the maximum number of CPUs set by ml_init_max_cpus() */
231 int ml_get_max_cpus(
232 void);
233
234 #endif /* __APPLE_API_PRIVATE */
235
236 #endif /* _I386_MACHINE_ROUTINES_H_ */
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