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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/bootinfo.h> |
54 | #include <arch/bootinfo.h> |
55 | #include <genarch/drivers/legacy/ia32/io.h> |
55 | #include <genarch/drivers/legacy/ia32/io.h> |
56 | #include <genarch/drivers/ega/ega.h> |
56 | #include <genarch/drivers/ega/ega.h> |
57 | #include <genarch/kbrd/kbrd.h> |
57 | #include <genarch/kbrd/kbrd.h> |
58 | #include <genarch/srln/srln.h> |
58 | #include <genarch/srln/srln.h> |
59 | #include <genarch/drivers/i8042/i8042.h> |
59 | #include <genarch/drivers/i8042/i8042.h> |
60 | #include <genarch/drivers/ns16550/ns16550.h> |
60 | #include <genarch/drivers/ns16550/ns16550.h> |
61 | #include <arch/drivers/kbd.h> |
61 | #include <arch/drivers/kbd.h> |
62 | #include <smp/smp.h> |
62 | #include <smp/smp.h> |
63 | #include <smp/ipi.h> |
63 | #include <smp/ipi.h> |
64 | #include <arch/atomic.h> |
64 | #include <arch/atomic.h> |
65 | #include <panic.h> |
65 | #include <panic.h> |
66 | #include <print.h> |
66 | #include <print.h> |
67 | #include <sysinfo/sysinfo.h> |
67 | #include <sysinfo/sysinfo.h> |
68 | #include <string.h> |
68 | #include <string.h> |
69 | 69 | ||
70 | /* NS16550 as a COM 1 */ |
70 | /* NS16550 as a COM 1 */ |
71 | #define NS16550_IRQ (4 + LEGACY_INTERRUPT_BASE) |
71 | #define NS16550_IRQ (4 + LEGACY_INTERRUPT_BASE) |
72 | 72 | ||
73 | bootinfo_t *bootinfo; |
73 | bootinfo_t *bootinfo; |
74 | 74 | ||
75 | static uint64_t iosapic_base = 0xfec00000; |
75 | static uint64_t iosapic_base = 0xfec00000; |
76 | 76 | ||
77 | /** Performs ia64-specific initialization before main_bsp() is called. */ |
77 | /** Performs ia64-specific initialization before main_bsp() is called. */ |
78 | void arch_pre_main(void) |
78 | void arch_pre_main(void) |
79 | { |
79 | { |
80 | /* Setup usermode init tasks. */ |
80 | /* Setup usermode init tasks. */ |
81 | 81 | ||
82 | unsigned int i; |
82 | unsigned int i; |
83 | 83 | ||
84 | init.cnt = bootinfo->taskmap.count; |
84 | init.cnt = bootinfo->taskmap.count; |
85 | 85 | ||
86 | for (i = 0; i < init.cnt; i++) { |
86 | for (i = 0; i < init.cnt; i++) { |
87 | init.tasks[i].addr = |
87 | init.tasks[i].addr = |
88 | ((unsigned long) bootinfo->taskmap.tasks[i].addr) | |
88 | ((unsigned long) bootinfo->taskmap.tasks[i].addr) | |
89 | VRN_MASK; |
89 | VRN_MASK; |
90 | init.tasks[i].size = bootinfo->taskmap.tasks[i].size; |
90 | init.tasks[i].size = bootinfo->taskmap.tasks[i].size; |
91 | strncpy(init.tasks[i].name, bootinfo->taskmap.tasks[i].name, |
91 | strncpy(init.tasks[i].name, bootinfo->taskmap.tasks[i].name, |
92 | CONFIG_TASK_NAME_BUFLEN); |
92 | CONFIG_TASK_NAME_BUFLEN); |
93 | } |
93 | } |
94 | } |
94 | } |
95 | 95 | ||
96 | void arch_pre_mm_init(void) |
96 | void arch_pre_mm_init(void) |
97 | { |
97 | { |
98 | /* |
98 | /* |
99 | * Set Interruption Vector Address (i.e. location of interruption vector |
99 | * Set Interruption Vector Address (i.e. location of interruption vector |
100 | * table). |
100 | * table). |
101 | */ |
101 | */ |
102 | iva_write((uintptr_t) &ivt); |
102 | iva_write((uintptr_t) &ivt); |
103 | srlz_d(); |
103 | srlz_d(); |
104 | 104 | ||
105 | } |
105 | } |
106 | 106 | ||
107 | static void iosapic_init(void) |
107 | static void iosapic_init(void) |
108 | { |
108 | { |
109 | uint64_t IOSAPIC = PA2KA((unative_t)(iosapic_base)) | FW_OFFSET; |
109 | uint64_t IOSAPIC = PA2KA((unative_t)(iosapic_base)) | FW_OFFSET; |
110 | int i; |
110 | int i; |
111 | 111 | ||
112 | int myid, myeid; |
112 | int myid, myeid; |
113 | 113 | ||
114 | myid = ia64_get_cpu_id(); |
114 | myid = ia64_get_cpu_id(); |
115 | myeid = ia64_get_cpu_eid(); |
115 | myeid = ia64_get_cpu_eid(); |
116 | 116 | ||
117 | for (i = 0; i < 16; i++) { |
117 | for (i = 0; i < 16; i++) { |
118 | if (i == 2) |
118 | if (i == 2) |
119 | continue; /* Disable Cascade interrupt */ |
119 | continue; /* Disable Cascade interrupt */ |
120 | ((uint32_t *)(IOSAPIC + 0x00))[0] = 0x10 + 2 * i; |
120 | ((uint32_t *)(IOSAPIC + 0x00))[0] = 0x10 + 2 * i; |
121 | srlz_d(); |
121 | srlz_d(); |
122 | ((uint32_t *)(IOSAPIC + 0x10))[0] = LEGACY_INTERRUPT_BASE + i; |
122 | ((uint32_t *)(IOSAPIC + 0x10))[0] = LEGACY_INTERRUPT_BASE + i; |
123 | srlz_d(); |
123 | srlz_d(); |
124 | ((uint32_t *)(IOSAPIC + 0x00))[0] = 0x10 + 2 * i + 1; |
124 | ((uint32_t *)(IOSAPIC + 0x00))[0] = 0x10 + 2 * i + 1; |
125 | srlz_d(); |
125 | srlz_d(); |
126 | ((uint32_t *)(IOSAPIC + 0x10))[0] = myid << (56 - 32) | |
126 | ((uint32_t *)(IOSAPIC + 0x10))[0] = myid << (56 - 32) | |
127 | myeid << (48 - 32); |
127 | myeid << (48 - 32); |
128 | srlz_d(); |
128 | srlz_d(); |
129 | } |
129 | } |
130 | 130 | ||
131 | } |
131 | } |
132 | 132 | ||
133 | - | ||
134 | void arch_post_mm_init(void) |
133 | void arch_post_mm_init(void) |
135 | { |
134 | { |
136 | if (config.cpu_active == 1) { |
135 | if (config.cpu_active == 1) { |
137 | iosapic_init(); |
136 | iosapic_init(); |
138 | irq_init(INR_COUNT, INR_COUNT); |
137 | irq_init(INR_COUNT, INR_COUNT); |
139 | #ifdef SKI |
- | |
140 | ski_init_console(); |
- | |
141 | #else |
- | |
142 | ega_init(EGA_BASE, EGA_VIDEORAM); |
- | |
143 | #endif |
- | |
144 | } |
138 | } |
145 | it_init(); |
139 | it_init(); |
146 | - | ||
147 | } |
140 | } |
148 | 141 | ||
149 | void arch_post_cpu_init(void) |
142 | void arch_post_cpu_init(void) |
150 | { |
143 | { |
151 | } |
144 | } |
152 | 145 | ||
153 | void arch_pre_smp_init(void) |
146 | void arch_pre_smp_init(void) |
154 | { |
147 | { |
155 | } |
148 | } |
156 | 149 | ||
157 | void arch_post_smp_init(void) |
150 | void arch_post_smp_init(void) |
158 | { |
151 | { |
159 | /* |
- | |
160 | * Create thread that polls keyboard. |
- | |
161 | */ |
- | |
162 | #ifdef SKI |
152 | #ifdef SKI |
163 | thread_t *t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true); |
- | |
164 | if (!t) |
153 | srln_init(stdin); |
165 | panic("Cannot create kkbdpoll."); |
154 | ski_console_init(&srlnin); |
166 | thread_ready(t); |
- | |
167 | #endif |
155 | #endif |
168 | 156 | ||
169 | #ifdef I460GX |
157 | #ifdef I460GX |
- | 158 | #ifdef CONFIG_EGA |
|
- | 159 | ega_init(EGA_BASE, EGA_VIDEORAM); |
|
- | 160 | #endif |
|
- | 161 | ||
170 | devno_t devno = device_assign_devno(); |
162 | devno_t devno = device_assign_devno(); |
171 | inr_t inr; |
163 | inr_t inr; |
172 | 164 | ||
173 | #ifdef CONFIG_NS16550 |
165 | #ifdef CONFIG_NS16550 |
174 | inr = NS16550_IRQ; |
166 | inr = NS16550_IRQ; |
175 | srln_init(stdin); |
167 | srln_init(stdin); |
176 | (void) ns16550_init((ns16550_t *)NS16550_BASE, devno, inr, NULL, NULL, |
168 | (void) ns16550_init((ns16550_t *)NS16550_BASE, devno, inr, NULL, NULL, |
177 | &srlnin); |
169 | &srlnin); |
178 | sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550); |
170 | sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550); |
179 | sysinfo_set_item_val("kbd.address.physical", NULL, |
171 | sysinfo_set_item_val("kbd.address.physical", NULL, |
180 | (uintptr_t) NS16550_BASE); |
172 | (uintptr_t) NS16550_BASE); |
181 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
173 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
182 | (uintptr_t) NS16550_BASE); |
174 | (uintptr_t) NS16550_BASE); |
183 | #else |
175 | #else |
184 | inr = IRQ_KBD; |
176 | inr = IRQ_KBD; |
185 | kbrd_init(stdin); |
177 | kbrd_init(stdin); |
186 | (void) i8042_init((i8042_t *)I8042_BASE, devno, inr, &kbrdin); |
178 | (void) i8042_init((i8042_t *)I8042_BASE, devno, inr, &kbrdin); |
187 | trap_virtual_enable_irqs(1 << inr); |
179 | trap_virtual_enable_irqs(1 << inr); |
188 | sysinfo_set_item_val("kbd.type", NULL, KBD_LEGACY); |
180 | sysinfo_set_item_val("kbd.type", NULL, KBD_LEGACY); |
189 | sysinfo_set_item_val("kbd.address.physical", NULL, |
181 | sysinfo_set_item_val("kbd.address.physical", NULL, |
190 | (uintptr_t) I8042_BASE); |
182 | (uintptr_t) I8042_BASE); |
191 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
183 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
192 | (uintptr_t) I8042_BASE); |
184 | (uintptr_t) I8042_BASE); |
193 | #endif |
185 | #endif |
194 | sysinfo_set_item_val("kbd", NULL, true); |
186 | sysinfo_set_item_val("kbd", NULL, true); |
195 | sysinfo_set_item_val("kbd.devno", NULL, devno); |
187 | sysinfo_set_item_val("kbd.devno", NULL, devno); |
196 | sysinfo_set_item_val("kbd.inr", NULL, inr); |
188 | sysinfo_set_item_val("kbd.inr", NULL, inr); |
197 | #endif |
189 | #endif |
198 | 190 | ||
199 | sysinfo_set_item_val("ia64_iospace", NULL, true); |
191 | sysinfo_set_item_val("ia64_iospace", NULL, true); |
200 | sysinfo_set_item_val("ia64_iospace.address", NULL, true); |
192 | sysinfo_set_item_val("ia64_iospace.address", NULL, true); |
201 | sysinfo_set_item_val("ia64_iospace.address.virtual", NULL, IO_OFFSET); |
193 | sysinfo_set_item_val("ia64_iospace.address.virtual", NULL, IO_OFFSET); |
202 | } |
194 | } |
203 | 195 | ||
204 | 196 | ||
205 | /** Enter userspace and never return. */ |
197 | /** Enter userspace and never return. */ |
206 | void userspace(uspace_arg_t *kernel_uarg) |
198 | void userspace(uspace_arg_t *kernel_uarg) |
207 | { |
199 | { |
208 | psr_t psr; |
200 | psr_t psr; |
209 | rsc_t rsc; |
201 | rsc_t rsc; |
210 | 202 | ||
211 | psr.value = psr_read(); |
203 | psr.value = psr_read(); |
212 | psr.cpl = PL_USER; |
204 | psr.cpl = PL_USER; |
213 | psr.i = true; /* start with interrupts enabled */ |
205 | psr.i = true; /* start with interrupts enabled */ |
214 | psr.ic = true; |
206 | psr.ic = true; |
215 | psr.ri = 0; /* start with instruction #0 */ |
207 | psr.ri = 0; /* start with instruction #0 */ |
216 | psr.bn = 1; /* start in bank 0 */ |
208 | psr.bn = 1; /* start in bank 0 */ |
217 | 209 | ||
218 | asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value)); |
210 | asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value)); |
219 | rsc.loadrs = 0; |
211 | rsc.loadrs = 0; |
220 | rsc.be = false; |
212 | rsc.be = false; |
221 | rsc.pl = PL_USER; |
213 | rsc.pl = PL_USER; |
222 | rsc.mode = 3; /* eager mode */ |
214 | rsc.mode = 3; /* eager mode */ |
223 | 215 | ||
224 | switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry, |
216 | switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry, |
225 | ((uintptr_t) kernel_uarg->uspace_stack) + PAGE_SIZE - |
217 | ((uintptr_t) kernel_uarg->uspace_stack) + PAGE_SIZE - |
226 | ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT), |
218 | ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT), |
227 | ((uintptr_t) kernel_uarg->uspace_stack) + PAGE_SIZE, |
219 | ((uintptr_t) kernel_uarg->uspace_stack) + PAGE_SIZE, |
228 | (uintptr_t) kernel_uarg->uspace_uarg, psr.value, rsc.value); |
220 | (uintptr_t) kernel_uarg->uspace_uarg, psr.value, rsc.value); |
229 | 221 | ||
230 | while (1) |
222 | while (1) |
231 | ; |
223 | ; |
232 | } |
224 | } |
233 | 225 | ||
234 | /** Set thread-local-storage pointer. |
226 | /** Set thread-local-storage pointer. |
235 | * |
227 | * |
236 | * We use r13 (a.k.a. tp) for this purpose. |
228 | * We use r13 (a.k.a. tp) for this purpose. |
237 | */ |
229 | */ |
238 | unative_t sys_tls_set(unative_t addr) |
230 | unative_t sys_tls_set(unative_t addr) |
239 | { |
231 | { |
240 | return 0; |
232 | return 0; |
241 | } |
233 | } |
242 | 234 | ||
243 | /** Acquire console back for kernel |
235 | /** Acquire console back for kernel |
244 | * |
236 | * |
245 | */ |
237 | */ |
246 | void arch_grab_console(void) |
238 | void arch_grab_console(void) |
247 | { |
239 | { |
248 | #ifdef SKI |
240 | #ifdef SKI |
249 | ski_kbd_grab(); |
241 | ski_kbd_grab(); |
250 | #endif |
242 | #endif |
251 | } |
243 | } |
252 | 244 | ||
253 | /** Return console to userspace |
245 | /** Return console to userspace |
254 | * |
246 | * |
255 | */ |
247 | */ |
256 | void arch_release_console(void) |
248 | void arch_release_console(void) |
257 | { |
249 | { |
258 | #ifdef SKI |
250 | #ifdef SKI |
259 | ski_kbd_release(); |
251 | ski_kbd_release(); |
260 | #endif |
252 | #endif |
261 | } |
253 | } |
262 | 254 | ||
263 | void arch_reboot(void) |
255 | void arch_reboot(void) |
264 | { |
256 | { |
265 | pio_write_8((ioport8_t *)0x64, 0xfe); |
257 | pio_write_8((ioport8_t *)0x64, 0xfe); |
266 | while (1) |
258 | while (1) |
267 | ; |
259 | ; |
268 | } |
260 | } |
269 | 261 | ||
270 | /** Construct function pointer |
262 | /** Construct function pointer |
271 | * |
263 | * |
272 | * @param fptr function pointer structure |
264 | * @param fptr function pointer structure |
273 | * @param addr function address |
265 | * @param addr function address |
274 | * @param caller calling function address |
266 | * @param caller calling function address |
275 | * |
267 | * |
276 | * @return address of the function pointer |
268 | * @return address of the function pointer |
277 | * |
269 | * |
278 | */ |
270 | */ |
279 | void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
271 | void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
280 | { |
272 | { |
281 | fptr->fnc = (unative_t) addr; |
273 | fptr->fnc = (unative_t) addr; |
282 | fptr->gp = ((unative_t *) caller)[1]; |
274 | fptr->gp = ((unative_t *) caller)[1]; |
283 | 275 | ||
284 | return (void *) fptr; |
276 | return (void *) fptr; |
285 | } |
277 | } |
286 | 278 | ||
287 | /** @} |
279 | /** @} |
288 | */ |
280 | */ |
289 | 281 |