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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Ondrej Palkovsky |
2 | * Copyright (C) 2005 Ondrej Palkovsky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
- | 29 | /** @addtogroup mips32 |
|
- | 30 | * @{ |
|
- | 31 | */ |
|
- | 32 | /** @file |
|
- | 33 | */ |
|
- | 34 | ||
29 | #include <arch/drivers/arc.h> |
35 | #include <arch/drivers/arc.h> |
30 | #include <arch/mm/page.h> |
36 | #include <arch/mm/page.h> |
31 | #include <print.h> |
37 | #include <print.h> |
32 | #include <arch.h> |
38 | #include <arch.h> |
33 | #include <arch/byteorder.h> |
39 | #include <arch/byteorder.h> |
34 | #include <arch/mm/frame.h> |
40 | #include <arch/mm/frame.h> |
35 | #include <mm/frame.h> |
41 | #include <mm/frame.h> |
36 | #include <interrupt.h> |
42 | #include <interrupt.h> |
37 | #include <align.h> |
43 | #include <align.h> |
38 | #include <console/console.h> |
44 | #include <console/console.h> |
39 | #include <console/kconsole.h> |
45 | #include <console/kconsole.h> |
40 | #include <console/cmd.h> |
46 | #include <console/cmd.h> |
41 | #include <mm/slab.h> |
47 | #include <mm/slab.h> |
42 | 48 | ||
43 | /* This is a good joke, SGI HAS different types than NT bioses... */ |
49 | /* This is a good joke, SGI HAS different types than NT bioses... */ |
44 | /* Here is the SGI type */ |
50 | /* Here is the SGI type */ |
45 | static char *basetypes[] = { |
51 | static char *basetypes[] = { |
46 | "ExceptionBlock", |
52 | "ExceptionBlock", |
47 | "SystemParameterBlock", |
53 | "SystemParameterBlock", |
48 | "FreeContiguous", |
54 | "FreeContiguous", |
49 | "FreeMemory", |
55 | "FreeMemory", |
50 | "BadMemory", |
56 | "BadMemory", |
51 | "LoadedProgram", |
57 | "LoadedProgram", |
52 | "FirmwareTemporary", |
58 | "FirmwareTemporary", |
53 | "FirmwarePermanent" |
59 | "FirmwarePermanent" |
54 | }; |
60 | }; |
55 | 61 | ||
56 | static char *ctypes[] = { |
62 | static char *ctypes[] = { |
57 | "ARC_type", |
63 | "ARC_type", |
58 | "CPU_type", |
64 | "CPU_type", |
59 | "FPU_type", |
65 | "FPU_type", |
60 | "PrimaryICache", |
66 | "PrimaryICache", |
61 | "PrimaryDCache", |
67 | "PrimaryDCache", |
62 | "SecondaryICache", |
68 | "SecondaryICache", |
63 | "SecondaryDCache", |
69 | "SecondaryDCache", |
64 | "SecondaryCache", |
70 | "SecondaryCache", |
65 | "Memory", |
71 | "Memory", |
66 | "EISAAdapter", |
72 | "EISAAdapter", |
67 | "TCAdapter", |
73 | "TCAdapter", |
68 | "SCSIAdapter", |
74 | "SCSIAdapter", |
69 | "DTIAdapter", |
75 | "DTIAdapter", |
70 | "MultiFunctionAdapter", |
76 | "MultiFunctionAdapter", |
71 | "DiskController", |
77 | "DiskController", |
72 | "TapeController", |
78 | "TapeController", |
73 | "CDROMController", |
79 | "CDROMController", |
74 | "WORMController", |
80 | "WORMController", |
75 | "SerialController", |
81 | "SerialController", |
76 | "NetworkController", |
82 | "NetworkController", |
77 | "DisplayController", |
83 | "DisplayController", |
78 | "ParallelController", |
84 | "ParallelController", |
79 | "PointerController", |
85 | "PointerController", |
80 | "KeyboardController", |
86 | "KeyboardController", |
81 | "AudioController", |
87 | "AudioController", |
82 | "OtherController", |
88 | "OtherController", |
83 | "DiskPeripheral", |
89 | "DiskPeripheral", |
84 | "FloppyDiskPeripheral", |
90 | "FloppyDiskPeripheral", |
85 | "TapePeripheral", |
91 | "TapePeripheral", |
86 | "ModemPeripheral", |
92 | "ModemPeripheral", |
87 | "MonitorPeripheral", |
93 | "MonitorPeripheral", |
88 | "PrinterPeripheral", |
94 | "PrinterPeripheral", |
89 | "PointerPeripheral", |
95 | "PointerPeripheral", |
90 | "KeyboardPeripheral", |
96 | "KeyboardPeripheral", |
91 | "TerminalPeripheral", |
97 | "TerminalPeripheral", |
92 | "OtherPeripheral", |
98 | "OtherPeripheral", |
93 | "LinePeripheral", |
99 | "LinePeripheral", |
94 | "NetworkPeripheral" |
100 | "NetworkPeripheral" |
95 | "OtherPeripheral", |
101 | "OtherPeripheral", |
96 | "XTalkAdapter", |
102 | "XTalkAdapter", |
97 | "PCIAdapter", |
103 | "PCIAdapter", |
98 | "GIOAdapter", |
104 | "GIOAdapter", |
99 | "TPUAdapter", |
105 | "TPUAdapter", |
100 | "Anonymous" |
106 | "Anonymous" |
101 | }; |
107 | }; |
102 | 108 | ||
103 | static arc_sbp *sbp = (arc_sbp *)PA2KA(0x1000); |
109 | static arc_sbp *sbp = (arc_sbp *)PA2KA(0x1000); |
104 | static arc_func_vector_t *arc_entry; |
110 | static arc_func_vector_t *arc_entry; |
105 | 111 | ||
106 | 112 | ||
107 | static void arc_putchar(char ch); |
113 | static void arc_putchar(char ch); |
108 | 114 | ||
109 | /** Return true if ARC is available */ |
115 | /** Return true if ARC is available */ |
110 | int arc_enabled(void) |
116 | int arc_enabled(void) |
111 | { |
117 | { |
112 | return sbp != NULL; |
118 | return sbp != NULL; |
113 | } |
119 | } |
114 | 120 | ||
115 | 121 | ||
116 | /** Print configuration data that ARC reports about component */ |
122 | /** Print configuration data that ARC reports about component */ |
117 | static void arc_print_confdata(arc_component *c) |
123 | static void arc_print_confdata(arc_component *c) |
118 | { |
124 | { |
119 | cm_resource_list *configdata; |
125 | cm_resource_list *configdata; |
120 | int i; |
126 | int i; |
121 | 127 | ||
122 | if (!c->configdatasize) |
128 | if (!c->configdatasize) |
123 | return; /* No configuration data */ |
129 | return; /* No configuration data */ |
124 | 130 | ||
125 | configdata = malloc(c->configdatasize, 0); |
131 | configdata = malloc(c->configdatasize, 0); |
126 | 132 | ||
127 | if (arc_entry->getconfigurationdata(configdata, c)) { |
133 | if (arc_entry->getconfigurationdata(configdata, c)) { |
128 | free(configdata); |
134 | free(configdata); |
129 | return; |
135 | return; |
130 | } |
136 | } |
131 | /* Does not seem to return meaningful data, don't use now */ |
137 | /* Does not seem to return meaningful data, don't use now */ |
132 | free(configdata); |
138 | free(configdata); |
133 | return; |
139 | return; |
134 | 140 | ||
135 | for (i=0; i < configdata->count; i++) { |
141 | for (i=0; i < configdata->count; i++) { |
136 | switch (configdata->descr[i].type) { |
142 | switch (configdata->descr[i].type) { |
137 | case CmResourceTypePort: |
143 | case CmResourceTypePort: |
138 | printf("Port: %p-size:%d ", |
144 | printf("Port: %p-size:%d ", |
139 | (__address)configdata->descr[i].u.port.start, |
145 | (__address)configdata->descr[i].u.port.start, |
140 | configdata->descr[i].u.port.length); |
146 | configdata->descr[i].u.port.length); |
141 | break; |
147 | break; |
142 | case CmResourceTypeInterrupt: |
148 | case CmResourceTypeInterrupt: |
143 | printf("Irq: level(%d) vector(%d) ", |
149 | printf("Irq: level(%d) vector(%d) ", |
144 | configdata->descr[i].u.interrupt.level, |
150 | configdata->descr[i].u.interrupt.level, |
145 | configdata->descr[i].u.interrupt.vector); |
151 | configdata->descr[i].u.interrupt.vector); |
146 | break; |
152 | break; |
147 | case CmResourceTypeMemory: |
153 | case CmResourceTypeMemory: |
148 | printf("Memory: %p-size:%d ", |
154 | printf("Memory: %p-size:%d ", |
149 | (__address)configdata->descr[i].u.port.start, |
155 | (__address)configdata->descr[i].u.port.start, |
150 | configdata->descr[i].u.port.length); |
156 | configdata->descr[i].u.port.length); |
151 | break; |
157 | break; |
152 | default: |
158 | default: |
153 | break; |
159 | break; |
154 | } |
160 | } |
155 | } |
161 | } |
156 | 162 | ||
157 | free(configdata); |
163 | free(configdata); |
158 | } |
164 | } |
159 | 165 | ||
160 | /** Print information about component */ |
166 | /** Print information about component */ |
161 | static void arc_print_component(arc_component *c) |
167 | static void arc_print_component(arc_component *c) |
162 | { |
168 | { |
163 | int i; |
169 | int i; |
164 | 170 | ||
165 | printf("%s: ",ctypes[c->type]); |
171 | printf("%s: ",ctypes[c->type]); |
166 | for (i=0;i < c->identifier_len;i++) |
172 | for (i=0;i < c->identifier_len;i++) |
167 | printf("%c",c->identifier[i]); |
173 | printf("%c",c->identifier[i]); |
168 | 174 | ||
169 | printf(" "); |
175 | printf(" "); |
170 | arc_print_confdata(c); |
176 | arc_print_confdata(c); |
171 | printf("\n"); |
177 | printf("\n"); |
172 | } |
178 | } |
173 | 179 | ||
174 | /** |
180 | /** |
175 | * Read from ARC bios configuration data and print it |
181 | * Read from ARC bios configuration data and print it |
176 | */ |
182 | */ |
177 | static int cmd_arc_print_devices(cmd_arg_t *argv) |
183 | static int cmd_arc_print_devices(cmd_arg_t *argv) |
178 | { |
184 | { |
179 | arc_component *c,*next; |
185 | arc_component *c,*next; |
180 | 186 | ||
181 | c = arc_entry->getchild(NULL); |
187 | c = arc_entry->getchild(NULL); |
182 | while (c) { |
188 | while (c) { |
183 | arc_print_component(c); |
189 | arc_print_component(c); |
184 | next = arc_entry->getchild(c); |
190 | next = arc_entry->getchild(c); |
185 | while (!next) { |
191 | while (!next) { |
186 | next = arc_entry->getpeer(c); |
192 | next = arc_entry->getpeer(c); |
187 | if (!next) |
193 | if (!next) |
188 | c = arc_entry->getparent(c); |
194 | c = arc_entry->getparent(c); |
189 | if (!c) |
195 | if (!c) |
190 | return 0; |
196 | return 0; |
191 | } |
197 | } |
192 | c = next; |
198 | c = next; |
193 | } |
199 | } |
194 | return 1; |
200 | return 1; |
195 | } |
201 | } |
196 | static cmd_info_t devlist_info = { |
202 | static cmd_info_t devlist_info = { |
197 | .name = "arcdevlist", |
203 | .name = "arcdevlist", |
198 | .description = "Print arc device list", |
204 | .description = "Print arc device list", |
199 | .func = cmd_arc_print_devices, |
205 | .func = cmd_arc_print_devices, |
200 | .argc = 0 |
206 | .argc = 0 |
201 | }; |
207 | }; |
202 | 208 | ||
203 | 209 | ||
204 | /** Read from arc bios memory map and print it |
210 | /** Read from arc bios memory map and print it |
205 | * |
211 | * |
206 | */ |
212 | */ |
207 | static int cmd_arc_print_memmap(cmd_arg_t *argv) |
213 | static int cmd_arc_print_memmap(cmd_arg_t *argv) |
208 | { |
214 | { |
209 | arc_memdescriptor_t *desc; |
215 | arc_memdescriptor_t *desc; |
210 | 216 | ||
211 | printf("Memory map:\n"); |
217 | printf("Memory map:\n"); |
212 | 218 | ||
213 | desc = arc_entry->getmemorydescriptor(NULL); |
219 | desc = arc_entry->getmemorydescriptor(NULL); |
214 | while (desc) { |
220 | while (desc) { |
215 | printf("%s: %d(%p) (size: %dKB)\n",basetypes[desc->type], |
221 | printf("%s: %d(%p) (size: %dKB)\n",basetypes[desc->type], |
216 | desc->basepage * ARC_FRAME, |
222 | desc->basepage * ARC_FRAME, |
217 | desc->basepage * ARC_FRAME, |
223 | desc->basepage * ARC_FRAME, |
218 | desc->basecount*ARC_FRAME/1024); |
224 | desc->basecount*ARC_FRAME/1024); |
219 | desc = arc_entry->getmemorydescriptor(desc); |
225 | desc = arc_entry->getmemorydescriptor(desc); |
220 | } |
226 | } |
221 | return 1; |
227 | return 1; |
222 | } |
228 | } |
223 | static cmd_info_t memmap_info = { |
229 | static cmd_info_t memmap_info = { |
224 | .name = "arcmemmap", |
230 | .name = "arcmemmap", |
225 | .description = "Print arc memory map", |
231 | .description = "Print arc memory map", |
226 | .func = cmd_arc_print_memmap, |
232 | .func = cmd_arc_print_memmap, |
227 | .argc = 0 |
233 | .argc = 0 |
228 | }; |
234 | }; |
229 | 235 | ||
230 | /** Print charactor to console */ |
236 | /** Print charactor to console */ |
231 | static void arc_putchar(char ch) |
237 | static void arc_putchar(char ch) |
232 | { |
238 | { |
233 | __u32 cnt; |
239 | __u32 cnt; |
234 | ipl_t ipl; |
240 | ipl_t ipl; |
235 | 241 | ||
236 | /* TODO: Should be spinlock? */ |
242 | /* TODO: Should be spinlock? */ |
237 | ipl = interrupts_disable(); |
243 | ipl = interrupts_disable(); |
238 | arc_entry->write(1, &ch, 1, &cnt); |
244 | arc_entry->write(1, &ch, 1, &cnt); |
239 | interrupts_restore(ipl); |
245 | interrupts_restore(ipl); |
240 | 246 | ||
241 | } |
247 | } |
242 | 248 | ||
243 | static int cmd_reboot(cmd_arg_t *argv) |
249 | static int cmd_reboot(cmd_arg_t *argv) |
244 | { |
250 | { |
245 | arc_entry->reboot(); |
251 | arc_entry->reboot(); |
246 | return 0; |
252 | return 0; |
247 | } |
253 | } |
248 | static cmd_info_t reboot_info = { |
254 | static cmd_info_t reboot_info = { |
249 | .name = "reboot", |
255 | .name = "reboot", |
250 | .description = "Reboot computer", |
256 | .description = "Reboot computer", |
251 | .func = cmd_reboot, |
257 | .func = cmd_reboot, |
252 | .argc = 0 |
258 | .argc = 0 |
253 | }; |
259 | }; |
254 | 260 | ||
255 | /** Initialize ARC structure |
261 | /** Initialize ARC structure |
256 | * |
262 | * |
257 | * @return 0 - ARC OK, -1 - ARC does not exist |
263 | * @return 0 - ARC OK, -1 - ARC does not exist |
258 | */ |
264 | */ |
259 | int arc_init(void) |
265 | int arc_init(void) |
260 | { |
266 | { |
261 | if (sbp->signature != ARC_MAGIC) { |
267 | if (sbp->signature != ARC_MAGIC) { |
262 | sbp = NULL; |
268 | sbp = NULL; |
263 | return -1; |
269 | return -1; |
264 | } |
270 | } |
265 | arc_entry = sbp->firmwarevector; |
271 | arc_entry = sbp->firmwarevector; |
266 | 272 | ||
267 | arc_putchar('A'); |
273 | arc_putchar('A'); |
268 | arc_putchar('R'); |
274 | arc_putchar('R'); |
269 | arc_putchar('C'); |
275 | arc_putchar('C'); |
270 | arc_putchar('\n'); |
276 | arc_putchar('\n'); |
271 | 277 | ||
272 | /* Add command for resetting the computer */ |
278 | /* Add command for resetting the computer */ |
273 | cmd_initialize(&reboot_info); |
279 | cmd_initialize(&reboot_info); |
274 | cmd_register(&reboot_info); |
280 | cmd_register(&reboot_info); |
275 | cmd_initialize(&memmap_info); |
281 | cmd_initialize(&memmap_info); |
276 | cmd_register(&memmap_info); |
282 | cmd_register(&memmap_info); |
277 | cmd_initialize(&devlist_info); |
283 | cmd_initialize(&devlist_info); |
278 | cmd_register(&devlist_info); |
284 | cmd_register(&devlist_info); |
279 | 285 | ||
280 | return 0; |
286 | return 0; |
281 | } |
287 | } |
282 | 288 | ||
283 | static bool kbd_polling_enabled; |
289 | static bool kbd_polling_enabled; |
284 | static chardev_t console; |
290 | static chardev_t console; |
285 | 291 | ||
286 | /** Try to get character, return character or -1 if not available */ |
292 | /** Try to get character, return character or -1 if not available */ |
287 | static void arc_keyboard_poll(void) |
293 | static void arc_keyboard_poll(void) |
288 | { |
294 | { |
289 | char ch; |
295 | char ch; |
290 | __u32 count; |
296 | __u32 count; |
291 | long result; |
297 | long result; |
292 | 298 | ||
293 | if (! kbd_polling_enabled) |
299 | if (! kbd_polling_enabled) |
294 | return; |
300 | return; |
295 | 301 | ||
296 | if (arc_entry->getreadstatus(0)) |
302 | if (arc_entry->getreadstatus(0)) |
297 | return; |
303 | return; |
298 | result = arc_entry->read(0, &ch, 1, &count); |
304 | result = arc_entry->read(0, &ch, 1, &count); |
299 | if (result || count!=1) { |
305 | if (result || count!=1) { |
300 | return; |
306 | return; |
301 | } |
307 | } |
302 | if (ch == '\r') |
308 | if (ch == '\r') |
303 | ch = '\n'; |
309 | ch = '\n'; |
304 | if (ch == 0x7f) |
310 | if (ch == 0x7f) |
305 | ch = '\b'; |
311 | ch = '\b'; |
306 | 312 | ||
307 | chardev_push_character(&console, ch); |
313 | chardev_push_character(&console, ch); |
308 | } |
314 | } |
309 | 315 | ||
310 | static char arc_read(chardev_t *dev) |
316 | static char arc_read(chardev_t *dev) |
311 | { |
317 | { |
312 | char ch; |
318 | char ch; |
313 | __u32 count; |
319 | __u32 count; |
314 | long result; |
320 | long result; |
315 | 321 | ||
316 | result = arc_entry->read(0, &ch, 1, &count); |
322 | result = arc_entry->read(0, &ch, 1, &count); |
317 | if (result || count!=1) { |
323 | if (result || count!=1) { |
318 | printf("Error reading from ARC keyboard.\n"); |
324 | printf("Error reading from ARC keyboard.\n"); |
319 | cpu_halt(); |
325 | cpu_halt(); |
320 | } |
326 | } |
321 | if (ch == '\r') |
327 | if (ch == '\r') |
322 | return '\n'; |
328 | return '\n'; |
323 | if (ch == 0x7f) |
329 | if (ch == 0x7f) |
324 | return '\b'; |
330 | return '\b'; |
325 | return ch; |
331 | return ch; |
326 | } |
332 | } |
327 | 333 | ||
328 | static void arc_write(chardev_t *dev, const char ch) |
334 | static void arc_write(chardev_t *dev, const char ch) |
329 | { |
335 | { |
330 | arc_putchar(ch); |
336 | arc_putchar(ch); |
331 | } |
337 | } |
332 | 338 | ||
333 | static void arc_enable(chardev_t *dev) |
339 | static void arc_enable(chardev_t *dev) |
334 | { |
340 | { |
335 | kbd_polling_enabled = true; |
341 | kbd_polling_enabled = true; |
336 | } |
342 | } |
337 | 343 | ||
338 | static void arc_disable(chardev_t *dev) |
344 | static void arc_disable(chardev_t *dev) |
339 | { |
345 | { |
340 | kbd_polling_enabled = false; |
346 | kbd_polling_enabled = false; |
341 | } |
347 | } |
342 | 348 | ||
343 | static chardev_operations_t arc_ops = { |
349 | static chardev_operations_t arc_ops = { |
344 | .resume = arc_enable, |
350 | .resume = arc_enable, |
345 | .suspend = arc_disable, |
351 | .suspend = arc_disable, |
346 | .write = arc_write, |
352 | .write = arc_write, |
347 | .read = arc_read |
353 | .read = arc_read |
348 | }; |
354 | }; |
349 | 355 | ||
350 | iroutine old_timer; |
356 | iroutine old_timer; |
351 | /** Do polling on timer interrupt */ |
357 | /** Do polling on timer interrupt */ |
352 | static void timer_replace(int n, istate_t *istate) |
358 | static void timer_replace(int n, istate_t *istate) |
353 | { |
359 | { |
354 | arc_keyboard_poll(); |
360 | arc_keyboard_poll(); |
355 | old_timer(n, istate); |
361 | old_timer(n, istate); |
356 | arc_keyboard_poll(); |
362 | arc_keyboard_poll(); |
357 | } |
363 | } |
358 | 364 | ||
359 | void arc_console(void) |
365 | void arc_console(void) |
360 | { |
366 | { |
361 | kbd_polling_enabled = true; |
367 | kbd_polling_enabled = true; |
362 | 368 | ||
363 | chardev_initialize("arc_console", &console, &arc_ops); |
369 | chardev_initialize("arc_console", &console, &arc_ops); |
364 | old_timer = int_register(TIMER_IRQ, "arc_kb_poll", timer_replace); |
370 | old_timer = int_register(TIMER_IRQ, "arc_kb_poll", timer_replace); |
365 | stdin = &console; |
371 | stdin = &console; |
366 | stdout = &console; |
372 | stdout = &console; |
367 | } |
373 | } |
368 | 374 | ||
369 | /* Initialize frame zones from ARC firmware. |
375 | /* Initialize frame zones from ARC firmware. |
370 | * In the future we may use even the FirmwareTemporary regions, |
376 | * In the future we may use even the FirmwareTemporary regions, |
371 | * currently we use the FreeMemory (what about the LoadedProgram?) |
377 | * currently we use the FreeMemory (what about the LoadedProgram?) |
372 | */ |
378 | */ |
373 | void arc_frame_init(void) |
379 | void arc_frame_init(void) |
374 | { |
380 | { |
375 | arc_memdescriptor_t *desc; |
381 | arc_memdescriptor_t *desc; |
376 | int total = 0; |
382 | int total = 0; |
377 | __address base; |
383 | __address base; |
378 | size_t basesize; |
384 | size_t basesize; |
379 | 385 | ||
380 | desc = arc_entry->getmemorydescriptor(NULL); |
386 | desc = arc_entry->getmemorydescriptor(NULL); |
381 | while (desc) { |
387 | while (desc) { |
382 | if (desc->type == FreeMemory || |
388 | if (desc->type == FreeMemory || |
383 | desc->type == FreeContiguous) { |
389 | desc->type == FreeContiguous) { |
384 | base = desc->basepage*ARC_FRAME; |
390 | base = desc->basepage*ARC_FRAME; |
385 | basesize = desc->basecount*ARC_FRAME; |
391 | basesize = desc->basecount*ARC_FRAME; |
386 | 392 | ||
387 | if (base % FRAME_SIZE ) { |
393 | if (base % FRAME_SIZE ) { |
388 | basesize -= FRAME_SIZE - (base % FRAME_SIZE); |
394 | basesize -= FRAME_SIZE - (base % FRAME_SIZE); |
389 | base = ALIGN_UP(base, FRAME_SIZE); |
395 | base = ALIGN_UP(base, FRAME_SIZE); |
390 | } |
396 | } |
391 | basesize = ALIGN_DOWN(basesize, FRAME_SIZE); |
397 | basesize = ALIGN_DOWN(basesize, FRAME_SIZE); |
392 | 398 | ||
393 | total += basesize; |
399 | total += basesize; |
394 | 400 | ||
395 | zone_create(ADDR2PFN(base), SIZE2FRAMES(basesize), |
401 | zone_create(ADDR2PFN(base), SIZE2FRAMES(basesize), |
396 | ADDR2PFN(base), 0); |
402 | ADDR2PFN(base), 0); |
397 | } |
403 | } |
398 | desc = arc_entry->getmemorydescriptor(desc); |
404 | desc = arc_entry->getmemorydescriptor(desc); |
399 | } |
405 | } |
400 | 406 | ||
401 | config.memory_size = total; |
407 | config.memory_size = total; |
402 | } |
408 | } |
403 | 409 | ||
- | 410 | ||
- | 411 | /** @} |
|
- | 412 | */ |
|
- | 413 | ||
404 | 414 |