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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 | 57 | ||
58 | bootinfo_t *bootinfo; |
58 | bootinfo_t *bootinfo; |
59 | 59 | ||
60 | void arch_pre_main(void) |
60 | void arch_pre_main(void) |
61 | { |
61 | { |
62 | /* Setup usermode init tasks. */ |
62 | /* Setup usermode init tasks. */ |
63 | 63 | ||
64 | //#ifdef I460GX |
64 | //#ifdef I460GX |
65 | unsigned int i; |
65 | unsigned int i; |
66 | 66 | ||
67 | init.cnt = bootinfo->taskmap.count; |
67 | init.cnt = bootinfo->taskmap.count; |
68 | 68 | ||
69 | for (i = 0; i < init.cnt; i++) { |
69 | for (i = 0; i < init.cnt; i++) { |
70 | init.tasks[i].addr = ((unsigned long) bootinfo->taskmap.tasks[i].addr) | VRN_MASK; |
70 | init.tasks[i].addr = ((unsigned long) bootinfo->taskmap.tasks[i].addr) | VRN_MASK; |
71 | init.tasks[i].size = bootinfo->taskmap.tasks[i].size; |
71 | init.tasks[i].size = bootinfo->taskmap.tasks[i].size; |
72 | } |
72 | } |
73 | /* |
73 | /* |
74 | #else |
74 | #else |
75 | init.cnt = 8; |
75 | init.cnt = 8; |
76 | init.tasks[0].addr = INIT0_ADDRESS; |
76 | init.tasks[0].addr = INIT0_ADDRESS; |
77 | init.tasks[0].size = INIT0_SIZE; |
77 | init.tasks[0].size = INIT0_SIZE; |
78 | init.tasks[1].addr = INIT0_ADDRESS + 0x400000; |
78 | init.tasks[1].addr = INIT0_ADDRESS + 0x400000; |
79 | init.tasks[1].size = INIT0_SIZE; |
79 | init.tasks[1].size = INIT0_SIZE; |
80 | init.tasks[2].addr = INIT0_ADDRESS + 0x800000; |
80 | init.tasks[2].addr = INIT0_ADDRESS + 0x800000; |
81 | init.tasks[2].size = INIT0_SIZE; |
81 | init.tasks[2].size = INIT0_SIZE; |
82 | init.tasks[3].addr = INIT0_ADDRESS + 0xc00000; |
82 | init.tasks[3].addr = INIT0_ADDRESS + 0xc00000; |
83 | init.tasks[3].size = INIT0_SIZE; |
83 | init.tasks[3].size = INIT0_SIZE; |
84 | init.tasks[4].addr = INIT0_ADDRESS + 0x1000000; |
84 | init.tasks[4].addr = INIT0_ADDRESS + 0x1000000; |
85 | init.tasks[4].size = INIT0_SIZE; |
85 | init.tasks[4].size = INIT0_SIZE; |
86 | init.tasks[5].addr = INIT0_ADDRESS + 0x1400000; |
86 | init.tasks[5].addr = INIT0_ADDRESS + 0x1400000; |
87 | init.tasks[5].size = INIT0_SIZE; |
87 | init.tasks[5].size = INIT0_SIZE; |
88 | init.tasks[6].addr = INIT0_ADDRESS + 0x1800000; |
88 | init.tasks[6].addr = INIT0_ADDRESS + 0x1800000; |
89 | init.tasks[6].size = INIT0_SIZE; |
89 | init.tasks[6].size = INIT0_SIZE; |
90 | init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000; |
90 | init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000; |
91 | init.tasks[7].size = INIT0_SIZE; |
91 | init.tasks[7].size = INIT0_SIZE; |
92 | #endif*/ |
92 | #endif*/ |
93 | } |
93 | } |
94 | 94 | ||
95 | void arch_pre_mm_init(void) |
95 | void arch_pre_mm_init(void) |
96 | { |
96 | { |
97 | /* Set Interruption Vector Address (i.e. location of interruption vector table). */ |
97 | /* Set Interruption Vector Address (i.e. location of interruption vector table). */ |
98 | iva_write((uintptr_t) &ivt); |
98 | iva_write((uintptr_t) &ivt); |
99 | srlz_d(); |
99 | srlz_d(); |
100 | 100 | ||
101 | } |
101 | } |
102 | 102 | ||
103 | void arch_post_mm_init(void) |
103 | void arch_post_mm_init(void) |
104 | { |
104 | { |
105 | irq_init(INR_COUNT, INR_COUNT); |
105 | irq_init(INR_COUNT, INR_COUNT); |
106 | #ifdef SKI |
106 | #ifdef SKI |
107 | ski_init_console(); |
107 | ski_init_console(); |
108 | #else |
108 | #else |
109 | ega_init(); |
109 | ega_init(); |
110 | #endif |
110 | #endif |
111 | it_init(); |
111 | it_init(); |
112 | } |
112 | } |
113 | 113 | ||
114 | void arch_post_cpu_init(void) |
114 | void arch_post_cpu_init(void) |
115 | { |
115 | { |
116 | } |
116 | } |
117 | 117 | ||
118 | void arch_pre_smp_init(void) |
118 | void arch_pre_smp_init(void) |
119 | { |
119 | { |
120 | } |
120 | } |
121 | 121 | ||
122 | 122 | ||
123 | #ifdef I460GX |
123 | #ifdef I460GX |
124 | #define POLL_INTERVAL 50000 /* 50 ms */ |
124 | #define POLL_INTERVAL 50000 /* 50 ms */ |
125 | /** Kernel thread for polling keyboard. */ |
125 | /** Kernel thread for polling keyboard. */ |
126 | static void i8042_kkbdpoll(void *arg) |
126 | static void i8042_kkbdpoll(void *arg) |
127 | { |
127 | { |
128 | while (1) { |
128 | while (1) { |
129 | i8042_poll(); |
129 | i8042_poll(); |
130 | thread_usleep(POLL_INTERVAL); |
130 | thread_usleep(POLL_INTERVAL); |
131 | } |
131 | } |
132 | } |
132 | } |
133 | #endif |
133 | #endif |
134 | 134 | ||
135 | void arch_post_smp_init(void) |
135 | void arch_post_smp_init(void) |
136 | { |
136 | { |
137 | 137 | ||
138 | if (config.cpu_active == 1) { |
138 | if (config.cpu_active == 1) { |
139 | /* |
139 | /* |
140 | * Create thread that polls keyboard. |
140 | * Create thread that polls keyboard. |
141 | */ |
141 | */ |
142 | #ifdef SKI |
142 | #ifdef SKI |
143 | thread_t *t; |
143 | thread_t *t; |
144 | t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true); |
144 | t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true); |
145 | if (!t) |
145 | if (!t) |
146 | panic("cannot create kkbdpoll\n"); |
146 | panic("cannot create kkbdpoll\n"); |
147 | thread_ready(t); |
147 | thread_ready(t); |
148 | #endif |
148 | #endif |
149 | 149 | ||
150 | #ifdef I460GX |
150 | #ifdef I460GX |
151 | devno_t kbd = device_assign_devno(); |
151 | devno_t kbd = device_assign_devno(); |
152 | devno_t mouse = device_assign_devno(); |
152 | devno_t mouse = device_assign_devno(); |
153 | /* keyboard controller */ |
153 | /* keyboard controller */ |
154 | i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE); |
154 | i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE); |
155 | 155 | ||
156 | thread_t *t; |
156 | thread_t *t; |
157 | t = thread_create(i8042_kkbdpoll, NULL, TASK, 0, "kkbdpoll", true); |
157 | t = thread_create(i8042_kkbdpoll, NULL, TASK, 0, "kkbdpoll", true); |
158 | if (!t) |
158 | if (!t) |
159 | panic("cannot create kkbdpoll\n"); |
159 | panic("cannot create kkbdpoll\n"); |
160 | thread_ready(t); |
160 | thread_ready(t); |
161 | 161 | ||
162 | #endif |
162 | #endif |
163 | 163 | ||
164 | } |
164 | } |
165 | } |
165 | } |
166 | 166 | ||
167 | /** Enter userspace and never return. */ |
167 | /** Enter userspace and never return. */ |
168 | void userspace(uspace_arg_t *kernel_uarg) |
168 | void userspace(uspace_arg_t *kernel_uarg) |
169 | { |
169 | { |
170 | psr_t psr; |
170 | psr_t psr; |
171 | rsc_t rsc; |
171 | rsc_t rsc; |
172 | 172 | ||
173 | psr.value = psr_read(); |
173 | psr.value = psr_read(); |
174 | psr.cpl = PL_USER; |
174 | psr.cpl = PL_USER; |
175 | psr.i = true; /* start with interrupts enabled */ |
175 | psr.i = true; /* start with interrupts enabled */ |
176 | psr.ic = true; |
176 | psr.ic = true; |
177 | psr.ri = 0; /* start with instruction #0 */ |
177 | psr.ri = 0; /* start with instruction #0 */ |
178 | psr.bn = 1; /* start in bank 0 */ |
178 | psr.bn = 1; /* start in bank 0 */ |
179 | 179 | ||
180 | asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value)); |
180 | asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value)); |
181 | rsc.loadrs = 0; |
181 | rsc.loadrs = 0; |
182 | rsc.be = false; |
182 | rsc.be = false; |
183 | rsc.pl = PL_USER; |
183 | rsc.pl = PL_USER; |
184 | rsc.mode = 3; /* eager mode */ |
184 | rsc.mode = 3; /* eager mode */ |
185 | 185 | ||
186 | switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry, |
186 | switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry, |
187 | ((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT), |
187 | ((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT), |
188 | ((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE, |
188 | ((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE, |
189 | (uintptr_t) kernel_uarg->uspace_uarg, |
189 | (uintptr_t) kernel_uarg->uspace_uarg, |
190 | psr.value, rsc.value); |
190 | psr.value, rsc.value); |
191 | 191 | ||
192 | while (1) { |
192 | while (1) { |
193 | ; |
193 | ; |
194 | } |
194 | } |
195 | } |
195 | } |
196 | 196 | ||
197 | /** Set thread-local-storage pointer. |
197 | /** Set thread-local-storage pointer. |
198 | * |
198 | * |
199 | * We use r13 (a.k.a. tp) for this purpose. |
199 | * We use r13 (a.k.a. tp) for this purpose. |
200 | */ |
200 | */ |
201 | unative_t sys_tls_set(unative_t addr) |
201 | unative_t sys_tls_set(unative_t addr) |
202 | { |
202 | { |
203 | return 0; |
203 | return 0; |
204 | } |
204 | } |
205 | 205 | ||
206 | /** Acquire console back for kernel |
206 | /** Acquire console back for kernel |
207 | * |
207 | * |
208 | */ |
208 | */ |
209 | void arch_grab_console(void) |
209 | void arch_grab_console(void) |
210 | { |
210 | { |
211 | #ifdef SKI |
211 | #ifdef SKI |
212 | ski_kbd_grab(); |
212 | ski_kbd_grab(); |
213 | #endif |
213 | #endif |
214 | } |
214 | } |
215 | /** Return console to userspace |
215 | /** Return console to userspace |
216 | * |
216 | * |
217 | */ |
217 | */ |
218 | void arch_release_console(void) |
218 | void arch_release_console(void) |
219 | { |
219 | { |
220 | #ifdef SKI |
220 | #ifdef SKI |
221 | ski_kbd_release(); |
221 | ski_kbd_release(); |
222 | #endif |
222 | #endif |
223 | } |
223 | } |
224 | 224 | ||
225 | void arch_reboot(void) |
225 | void arch_reboot(void) |
226 | { |
226 | { |
227 | // TODO |
227 | // TODO |
228 | while (1); |
228 | while (1); |
229 | } |
229 | } |
230 | 230 | ||
231 | /** @} |
231 | /** @} |
232 | */ |
232 | */ |
233 | 233 |