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1 | /* |
1 | /* |
2 | * Copyright (c) 2005 Jakub Jermar |
2 | * Copyright (c) 2005 Jakub Jermar |
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 ia64 |
29 | /** @addtogroup ia64 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #include <arch.h> |
35 | #include <arch.h> |
36 | #include <arch/ski/ski.h> |
36 | #include <arch/ski/ski.h> |
37 | #include <arch/drivers/it.h> |
37 | #include <arch/drivers/it.h> |
38 | #include <arch/interrupt.h> |
38 | #include <arch/interrupt.h> |
39 | #include <arch/barrier.h> |
39 | #include <arch/barrier.h> |
40 | #include <arch/asm.h> |
40 | #include <arch/asm.h> |
41 | #include <arch/register.h> |
41 | #include <arch/register.h> |
42 | #include <arch/types.h> |
42 | #include <arch/types.h> |
43 | #include <arch/context.h> |
43 | #include <arch/context.h> |
44 | #include <arch/stack.h> |
44 | #include <arch/stack.h> |
45 | #include <arch/mm/page.h> |
45 | #include <arch/mm/page.h> |
46 | #include <mm/as.h> |
46 | #include <mm/as.h> |
47 | #include <config.h> |
47 | #include <config.h> |
48 | #include <userspace.h> |
48 | #include <userspace.h> |
49 | #include <console/console.h> |
49 | #include <console/console.h> |
50 | #include <proc/uarg.h> |
50 | #include <proc/uarg.h> |
51 | #include <syscall/syscall.h> |
51 | #include <syscall/syscall.h> |
52 | #include <ddi/irq.h> |
52 | #include <ddi/irq.h> |
53 | #include <ddi/device.h> |
53 | #include <ddi/device.h> |
54 | #include <arch/drivers/ega.h> |
54 | #include <arch/drivers/ega.h> |
55 | #include <arch/bootinfo.h> |
55 | #include <arch/bootinfo.h> |
56 | #include <genarch/kbd/i8042.h> |
56 | #include <genarch/kbd/i8042.h> |
57 | #include <genarch/kbd/ns16550.h> |
57 | #include <genarch/kbd/ns16550.h> |
58 | #include <smp/smp.h> |
58 | #include <smp/smp.h> |
59 | #include <smp/ipi.h> |
59 | #include <smp/ipi.h> |
60 | #include <arch/atomic.h> |
60 | #include <arch/atomic.h> |
61 | #include <panic.h> |
61 | #include <panic.h> |
62 | #include <print.h> |
62 | #include <print.h> |
63 | #include <sysinfo/sysinfo.h> |
63 | #include <sysinfo/sysinfo.h> |
64 | 64 | ||
65 | /*NS16550 as a COM 1*/ |
65 | /*NS16550 as a COM 1*/ |
66 | #define NS16550_IRQ (4+LAGACY_INTERRUPT_BASE) |
66 | #define NS16550_IRQ (4+LAGACY_INTERRUPT_BASE) |
67 | #define NS16550_PORT 0x3f8 |
67 | #define NS16550_PORT 0x3f8 |
68 | 68 | ||
69 | bootinfo_t *bootinfo; |
69 | bootinfo_t *bootinfo; |
70 | 70 | ||
71 | static uint64_t iosapic_base=0xfec00000; |
71 | static uint64_t iosapic_base=0xfec00000; |
72 | 72 | ||
73 | void arch_pre_main(void) |
73 | void arch_pre_main(void) |
74 | { |
74 | { |
75 | /* Setup usermode init tasks. */ |
75 | /* Setup usermode init tasks. */ |
76 | 76 | ||
77 | //#ifdef I460GX |
77 | //#ifdef I460GX |
78 | unsigned int i; |
78 | unsigned int i; |
79 | 79 | ||
80 | init.cnt = bootinfo->taskmap.count; |
80 | init.cnt = bootinfo->taskmap.count; |
81 | 81 | ||
82 | for (i = 0; i < init.cnt; i++) { |
82 | for (i = 0; i < init.cnt; i++) { |
83 | init.tasks[i].addr = ((unsigned long) bootinfo->taskmap.tasks[i].addr) | VRN_MASK; |
83 | init.tasks[i].addr = ((unsigned long) bootinfo->taskmap.tasks[i].addr) | VRN_MASK; |
84 | init.tasks[i].size = bootinfo->taskmap.tasks[i].size; |
84 | init.tasks[i].size = bootinfo->taskmap.tasks[i].size; |
85 | } |
85 | } |
86 | /* |
86 | /* |
87 | #else |
87 | #else |
88 | init.cnt = 8; |
88 | init.cnt = 8; |
89 | init.tasks[0].addr = INIT0_ADDRESS; |
89 | init.tasks[0].addr = INIT0_ADDRESS; |
90 | init.tasks[0].size = INIT0_SIZE; |
90 | init.tasks[0].size = INIT0_SIZE; |
91 | init.tasks[1].addr = INIT0_ADDRESS + 0x400000; |
91 | init.tasks[1].addr = INIT0_ADDRESS + 0x400000; |
92 | init.tasks[1].size = INIT0_SIZE; |
92 | init.tasks[1].size = INIT0_SIZE; |
93 | init.tasks[2].addr = INIT0_ADDRESS + 0x800000; |
93 | init.tasks[2].addr = INIT0_ADDRESS + 0x800000; |
94 | init.tasks[2].size = INIT0_SIZE; |
94 | init.tasks[2].size = INIT0_SIZE; |
95 | init.tasks[3].addr = INIT0_ADDRESS + 0xc00000; |
95 | init.tasks[3].addr = INIT0_ADDRESS + 0xc00000; |
96 | init.tasks[3].size = INIT0_SIZE; |
96 | init.tasks[3].size = INIT0_SIZE; |
97 | init.tasks[4].addr = INIT0_ADDRESS + 0x1000000; |
97 | init.tasks[4].addr = INIT0_ADDRESS + 0x1000000; |
98 | init.tasks[4].size = INIT0_SIZE; |
98 | init.tasks[4].size = INIT0_SIZE; |
99 | init.tasks[5].addr = INIT0_ADDRESS + 0x1400000; |
99 | init.tasks[5].addr = INIT0_ADDRESS + 0x1400000; |
100 | init.tasks[5].size = INIT0_SIZE; |
100 | init.tasks[5].size = INIT0_SIZE; |
101 | init.tasks[6].addr = INIT0_ADDRESS + 0x1800000; |
101 | init.tasks[6].addr = INIT0_ADDRESS + 0x1800000; |
102 | init.tasks[6].size = INIT0_SIZE; |
102 | init.tasks[6].size = INIT0_SIZE; |
103 | init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000; |
103 | init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000; |
104 | init.tasks[7].size = INIT0_SIZE; |
104 | init.tasks[7].size = INIT0_SIZE; |
105 | #endif*/ |
105 | #endif*/ |
106 | } |
106 | } |
107 | 107 | ||
108 | void arch_pre_mm_init(void) |
108 | void arch_pre_mm_init(void) |
109 | { |
109 | { |
110 | /* Set Interruption Vector Address (i.e. location of interruption vector table). */ |
110 | /* Set Interruption Vector Address (i.e. location of interruption vector table). */ |
111 | iva_write((uintptr_t) &ivt); |
111 | iva_write((uintptr_t) &ivt); |
112 | srlz_d(); |
112 | srlz_d(); |
113 | 113 | ||
114 | } |
114 | } |
115 | 115 | ||
116 | static void iosapic_init(void) |
116 | static void iosapic_init(void) |
117 | { |
117 | { |
118 | 118 | ||
119 | uint64_t IOSAPIC = PA2KA((unative_t)(iosapic_base))|FW_OFFSET; |
119 | uint64_t IOSAPIC = PA2KA((unative_t)(iosapic_base))|FW_OFFSET; |
120 | int i; |
120 | int i; |
121 | 121 | ||
122 | 122 | ||
123 | for(i=0;i<16;i++) |
123 | for(i=0;i<16;i++) |
124 | { |
124 | { |
125 | 125 | ||
126 | if(i==2) continue; //Disable Cascade interrupt |
126 | if(i==2) continue; //Disable Cascade interrupt |
127 | ((uint32_t*)(IOSAPIC+0x00))[0]=0x10+2*i; |
127 | ((uint32_t*)(IOSAPIC+0x00))[0]=0x10+2*i; |
128 | srlz_d(); |
128 | srlz_d(); |
129 | ((uint32_t*)(IOSAPIC+0x10))[0]=LAGACY_INTERRUPT_BASE+i; |
129 | ((uint32_t*)(IOSAPIC+0x10))[0]=LAGACY_INTERRUPT_BASE+i; |
130 | srlz_d(); |
130 | srlz_d(); |
131 | ((uint32_t*)(IOSAPIC+0x00))[0]=0x10+2*i+1; |
131 | ((uint32_t*)(IOSAPIC+0x00))[0]=0x10+2*i+1; |
132 | srlz_d(); |
132 | srlz_d(); |
133 | ((uint32_t*)(IOSAPIC+0x10))[0]=1<<(56-32); |
133 | ((uint32_t*)(IOSAPIC+0x10))[0]=1<<(56-32); |
134 | srlz_d(); |
134 | srlz_d(); |
135 | } |
135 | } |
136 | 136 | ||
137 | } |
137 | } |
138 | 138 | ||
139 | 139 | ||
140 | void arch_post_mm_init(void) |
140 | void arch_post_mm_init(void) |
141 | { |
141 | { |
142 | if(config.cpu_active==1) |
142 | if(config.cpu_active==1) |
143 | { |
143 | { |
144 | iosapic_init(); |
144 | iosapic_init(); |
145 | 145 | ||
146 | irq_init(INR_COUNT, INR_COUNT); |
146 | irq_init(INR_COUNT, INR_COUNT); |
147 | #ifdef SKI |
147 | #ifdef SKI |
148 | ski_init_console(); |
148 | ski_init_console(); |
149 | #else |
149 | #else |
150 | ega_init(); |
150 | ega_init(); |
151 | #endif |
151 | #endif |
152 | } |
152 | } |
153 | it_init(); |
153 | it_init(); |
154 | 154 | ||
155 | } |
155 | } |
156 | 156 | ||
157 | void arch_post_cpu_init(void) |
157 | void arch_post_cpu_init(void) |
158 | { |
158 | { |
159 | } |
159 | } |
160 | 160 | ||
161 | void arch_pre_smp_init(void) |
161 | void arch_pre_smp_init(void) |
162 | { |
162 | { |
163 | } |
163 | } |
164 | 164 | ||
165 | 165 | ||
166 | #ifdef I460GX |
166 | #ifdef I460GX |
167 | #define POLL_INTERVAL 50000 /* 50 ms */ |
167 | #define POLL_INTERVAL 50000 /* 50 ms */ |
168 | /** Kernel thread for polling keyboard. */ |
168 | /** Kernel thread for polling keyboard. */ |
169 | static void i8042_kkbdpoll(void *arg) |
169 | static void i8042_kkbdpoll(void *arg) |
170 | { |
170 | { |
171 | while (1) { |
171 | while (1) { |
172 | i8042_poll(); |
172 | i8042_poll(); |
173 | #ifdef CONFIG_NS16550 |
173 | #ifdef CONFIG_NS16550 |
174 | #ifndef CONFIG_NS16550_INTERRUPT_DRIVEN |
174 | #ifndef CONFIG_NS16550_INTERRUPT_DRIVEN |
175 | ns16550_poll(); |
175 | ns16550_poll(); |
176 | #endif |
176 | #endif |
177 | #endif |
177 | #endif |
178 | thread_usleep(POLL_INTERVAL); |
178 | thread_usleep(POLL_INTERVAL); |
179 | } |
179 | } |
180 | } |
180 | } |
181 | #endif |
181 | #endif |
182 | 182 | ||
183 | 183 | ||
184 | static void end_of_irq_void(void *cir_arg __attribute__((unused)),inr_t inr __attribute__((unused))) |
184 | static void end_of_irq_void(void *cir_arg __attribute__((unused)),inr_t inr __attribute__((unused))) |
185 | { |
185 | { |
186 | return; |
186 | return; |
187 | } |
187 | } |
188 | 188 | ||
189 | 189 | ||
190 | void arch_post_smp_init(void) |
190 | void arch_post_smp_init(void) |
191 | { |
191 | { |
192 | 192 | ||
193 | { |
193 | { |
194 | /* |
194 | /* |
195 | * Create thread that polls keyboard. |
195 | * Create thread that polls keyboard. |
196 | */ |
196 | */ |
197 | #ifdef SKI |
197 | #ifdef SKI |
198 | thread_t *t; |
198 | thread_t *t; |
199 | t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true); |
199 | t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true); |
200 | if (!t) |
200 | if (!t) |
201 | panic("cannot create kkbdpoll\n"); |
201 | panic("cannot create kkbdpoll\n"); |
202 | thread_ready(t); |
202 | thread_ready(t); |
203 | #endif |
203 | #endif |
204 | 204 | ||
205 | #ifdef I460GX |
205 | #ifdef I460GX |
206 | devno_t kbd = device_assign_devno(); |
206 | devno_t kbd = device_assign_devno(); |
207 | devno_t mouse = device_assign_devno(); |
207 | devno_t mouse = device_assign_devno(); |
208 | /* keyboard controller */ |
208 | /* keyboard controller */ |
209 | i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE); |
209 | i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE); |
210 | 210 | ||
211 | #ifdef CONFIG_NS16550 |
211 | #ifdef CONFIG_NS16550 |
212 | ns16550_init(kbd, NS16550_IRQ, NS16550_PORT,end_of_irq_void,NULL); // as a COM 1 |
212 | ns16550_init(kbd, NS16550_PORT, NS16550_IRQ,end_of_irq_void,NULL); // as a COM 1 |
213 | #else |
213 | #else |
214 | #endif |
214 | #endif |
215 | thread_t *t; |
215 | thread_t *t; |
216 | t = thread_create(i8042_kkbdpoll, NULL, TASK, 0, "kkbdpoll", true); |
216 | t = thread_create(i8042_kkbdpoll, NULL, TASK, 0, "kkbdpoll", true); |
217 | if (!t) |
217 | if (!t) |
218 | panic("cannot create kkbdpoll\n"); |
218 | panic("cannot create kkbdpoll\n"); |
219 | thread_ready(t); |
219 | thread_ready(t); |
220 | 220 | ||
221 | #endif |
221 | #endif |
222 | 222 | ||
223 | } |
223 | } |
224 | 224 | ||
225 | sysinfo_set_item_val("ia64_iospace", NULL, true); |
225 | sysinfo_set_item_val("ia64_iospace", NULL, true); |
226 | sysinfo_set_item_val("ia64_iospace.address", NULL, true); |
226 | sysinfo_set_item_val("ia64_iospace.address", NULL, true); |
227 | sysinfo_set_item_val("ia64_iospace.address.virtual", NULL, IO_OFFSET); |
227 | sysinfo_set_item_val("ia64_iospace.address.virtual", NULL, IO_OFFSET); |
228 | 228 | ||
229 | 229 | ||
230 | 230 | ||
231 | 231 | ||
232 | 232 | ||
233 | } |
233 | } |
234 | 234 | ||
235 | 235 | ||
236 | /** Enter userspace and never return. */ |
236 | /** Enter userspace and never return. */ |
237 | void userspace(uspace_arg_t *kernel_uarg) |
237 | void userspace(uspace_arg_t *kernel_uarg) |
238 | { |
238 | { |
239 | psr_t psr; |
239 | psr_t psr; |
240 | rsc_t rsc; |
240 | rsc_t rsc; |
241 | 241 | ||
242 | psr.value = psr_read(); |
242 | psr.value = psr_read(); |
243 | psr.cpl = PL_USER; |
243 | psr.cpl = PL_USER; |
244 | psr.i = true; /* start with interrupts enabled */ |
244 | psr.i = true; /* start with interrupts enabled */ |
245 | psr.ic = true; |
245 | psr.ic = true; |
246 | psr.ri = 0; /* start with instruction #0 */ |
246 | psr.ri = 0; /* start with instruction #0 */ |
247 | psr.bn = 1; /* start in bank 0 */ |
247 | psr.bn = 1; /* start in bank 0 */ |
248 | 248 | ||
249 | asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value)); |
249 | asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value)); |
250 | rsc.loadrs = 0; |
250 | rsc.loadrs = 0; |
251 | rsc.be = false; |
251 | rsc.be = false; |
252 | rsc.pl = PL_USER; |
252 | rsc.pl = PL_USER; |
253 | rsc.mode = 3; /* eager mode */ |
253 | rsc.mode = 3; /* eager mode */ |
254 | 254 | ||
255 | switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry, |
255 | switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry, |
256 | ((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT), |
256 | ((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT), |
257 | ((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE, |
257 | ((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE, |
258 | (uintptr_t) kernel_uarg->uspace_uarg, |
258 | (uintptr_t) kernel_uarg->uspace_uarg, |
259 | psr.value, rsc.value); |
259 | psr.value, rsc.value); |
260 | 260 | ||
261 | while (1) { |
261 | while (1) { |
262 | ; |
262 | ; |
263 | } |
263 | } |
264 | } |
264 | } |
265 | 265 | ||
266 | /** Set thread-local-storage pointer. |
266 | /** Set thread-local-storage pointer. |
267 | * |
267 | * |
268 | * We use r13 (a.k.a. tp) for this purpose. |
268 | * We use r13 (a.k.a. tp) for this purpose. |
269 | */ |
269 | */ |
270 | unative_t sys_tls_set(unative_t addr) |
270 | unative_t sys_tls_set(unative_t addr) |
271 | { |
271 | { |
272 | return 0; |
272 | return 0; |
273 | } |
273 | } |
274 | 274 | ||
275 | /** Acquire console back for kernel |
275 | /** Acquire console back for kernel |
276 | * |
276 | * |
277 | */ |
277 | */ |
278 | void arch_grab_console(void) |
278 | void arch_grab_console(void) |
279 | { |
279 | { |
280 | #ifdef SKI |
280 | #ifdef SKI |
281 | ski_kbd_grab(); |
281 | ski_kbd_grab(); |
282 | #else |
282 | #else |
283 | i8042_grab(); |
283 | i8042_grab(); |
284 | #ifdef CONFIG_NS16550 |
284 | #ifdef CONFIG_NS16550 |
285 | ns16550_grab(); |
285 | ns16550_grab(); |
286 | #endif |
286 | #endif |
287 | 287 | ||
288 | #endif |
288 | #endif |
289 | } |
289 | } |
290 | /** Return console to userspace |
290 | /** Return console to userspace |
291 | * |
291 | * |
292 | */ |
292 | */ |
293 | void arch_release_console(void) |
293 | void arch_release_console(void) |
294 | { |
294 | { |
295 | #ifdef SKI |
295 | #ifdef SKI |
296 | ski_kbd_release(); |
296 | ski_kbd_release(); |
297 | i8042_release(); |
297 | i8042_release(); |
298 | #else |
298 | #else |
299 | #ifdef CONFIG_NS16550 |
299 | #ifdef CONFIG_NS16550 |
300 | ns16550_release(); |
300 | ns16550_release(); |
301 | #endif |
301 | #endif |
302 | 302 | ||
303 | #endif |
303 | #endif |
304 | } |
304 | } |
305 | 305 | ||
306 | void arch_reboot(void) |
306 | void arch_reboot(void) |
307 | { |
307 | { |
308 | outb(0x64,0xfe); |
308 | outb(0x64,0xfe); |
309 | while (1); |
309 | while (1); |
310 | } |
310 | } |
311 | 311 | ||
312 | /** @} |
312 | /** @} |
313 | */ |
313 | */ |
314 | 314 |