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| Rev 3386 | Rev 4153 | ||
|---|---|---|---|
| Line 48... | Line 48... | ||
| 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> |
- | |
| 54 | #include <arch/drivers/ega.h> |
- | |
| 55 | #include <arch/bootinfo.h> |
53 | #include <arch/bootinfo.h> |
| - | 54 | #include <genarch/drivers/legacy/ia32/io.h> |
|
| - | 55 | #include <genarch/drivers/ega/ega.h> |
|
| 56 | #include <genarch/kbd/i8042.h> |
56 | #include <genarch/kbrd/kbrd.h> |
| - | 57 | #include <genarch/srln/srln.h> |
|
| - | 58 | #include <genarch/drivers/i8042/i8042.h> |
|
| - | 59 | #include <genarch/drivers/ns16550/ns16550.h> |
|
| - | 60 | #include <arch/drivers/kbd.h> |
|
| - | 61 | #include <smp/smp.h> |
|
| - | 62 | #include <smp/ipi.h> |
|
| - | 63 | #include <arch/atomic.h> |
|
| - | 64 | #include <panic.h> |
|
| - | 65 | #include <print.h> |
|
| - | 66 | #include <sysinfo/sysinfo.h> |
|
| - | 67 | #include <string.h> |
|
| - | 68 | ||
| - | 69 | /* NS16550 as a COM 1 */ |
|
| - | 70 | #define NS16550_IRQ (4 + LEGACY_INTERRUPT_BASE) |
|
| 57 | 71 | ||
| 58 | bootinfo_t *bootinfo; |
72 | bootinfo_t *bootinfo; |
| 59 | 73 | ||
| - | 74 | static uint64_t iosapic_base = 0xfec00000; |
|
| - | 75 | ||
| - | 76 | /** Performs ia64-specific initialization before main_bsp() is called. */ |
|
| 60 | void arch_pre_main(void) |
77 | void arch_pre_main(void) |
| 61 | { |
78 | { |
| 62 | /* Setup usermode init tasks. */ |
79 | /* Setup usermode init tasks. */ |
| 63 | 80 | ||
| 64 | //#ifdef I460GX |
- | |
| 65 | unsigned int i; |
81 | unsigned int i; |
| 66 | 82 | ||
| 67 | init.cnt = bootinfo->taskmap.count; |
83 | init.cnt = bootinfo->taskmap.count; |
| 68 | 84 | ||
| 69 | for (i = 0; i < init.cnt; i++) { |
85 | for (i = 0; i < init.cnt; i++) { |
| - | 86 | init.tasks[i].addr = |
|
| 70 | init.tasks[i].addr = ((unsigned long) bootinfo->taskmap.tasks[i].addr) | VRN_MASK; |
87 | ((unsigned long) bootinfo->taskmap.tasks[i].addr) | |
| - | 88 | VRN_MASK; |
|
| 71 | init.tasks[i].size = bootinfo->taskmap.tasks[i].size; |
89 | init.tasks[i].size = bootinfo->taskmap.tasks[i].size; |
| - | 90 | strncpy(init.tasks[i].name, bootinfo->taskmap.tasks[i].name, |
|
| - | 91 | CONFIG_TASK_NAME_BUFLEN); |
|
| 72 | } |
92 | } |
| 73 | /* |
- | |
| 74 | #else |
- | |
| 75 | init.cnt = 8; |
- | |
| 76 | init.tasks[0].addr = INIT0_ADDRESS; |
- | |
| 77 | init.tasks[0].size = INIT0_SIZE; |
- | |
| 78 | init.tasks[1].addr = INIT0_ADDRESS + 0x400000; |
- | |
| 79 | init.tasks[1].size = INIT0_SIZE; |
- | |
| 80 | init.tasks[2].addr = INIT0_ADDRESS + 0x800000; |
- | |
| 81 | init.tasks[2].size = INIT0_SIZE; |
- | |
| 82 | init.tasks[3].addr = INIT0_ADDRESS + 0xc00000; |
- | |
| 83 | init.tasks[3].size = INIT0_SIZE; |
- | |
| 84 | init.tasks[4].addr = INIT0_ADDRESS + 0x1000000; |
- | |
| 85 | init.tasks[4].size = INIT0_SIZE; |
- | |
| 86 | init.tasks[5].addr = INIT0_ADDRESS + 0x1400000; |
- | |
| 87 | init.tasks[5].size = INIT0_SIZE; |
- | |
| 88 | init.tasks[6].addr = INIT0_ADDRESS + 0x1800000; |
- | |
| 89 | init.tasks[6].size = INIT0_SIZE; |
- | |
| 90 | init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000; |
- | |
| 91 | init.tasks[7].size = INIT0_SIZE; |
- | |
| 92 | #endif*/ |
- | |
| 93 | } |
93 | } |
| 94 | 94 | ||
| 95 | void arch_pre_mm_init(void) |
95 | void arch_pre_mm_init(void) |
| 96 | { |
96 | { |
| - | 97 | /* |
|
| 97 | /* Set Interruption Vector Address (i.e. location of interruption vector table). */ |
98 | * Set Interruption Vector Address (i.e. location of interruption vector |
| - | 99 | * table). |
|
| - | 100 | */ |
|
| 98 | iva_write((uintptr_t) &ivt); |
101 | iva_write((uintptr_t) &ivt); |
| 99 | srlz_d(); |
102 | srlz_d(); |
| 100 | 103 | ||
| 101 | } |
104 | } |
| 102 | 105 | ||
| - | 106 | static void iosapic_init(void) |
|
| - | 107 | { |
|
| - | 108 | uint64_t IOSAPIC = PA2KA((unative_t)(iosapic_base)) | FW_OFFSET; |
|
| - | 109 | int i; |
|
| - | 110 | ||
| - | 111 | int myid, myeid; |
|
| - | 112 | ||
| - | 113 | myid = ia64_get_cpu_id(); |
|
| - | 114 | myeid = ia64_get_cpu_eid(); |
|
| - | 115 | ||
| - | 116 | for (i = 0; i < 16; i++) { |
|
| - | 117 | if (i == 2) |
|
| - | 118 | continue; /* Disable Cascade interrupt */ |
|
| - | 119 | ((uint32_t *)(IOSAPIC + 0x00))[0] = 0x10 + 2 * i; |
|
| - | 120 | srlz_d(); |
|
| - | 121 | ((uint32_t *)(IOSAPIC + 0x10))[0] = LEGACY_INTERRUPT_BASE + i; |
|
| - | 122 | srlz_d(); |
|
| - | 123 | ((uint32_t *)(IOSAPIC + 0x00))[0] = 0x10 + 2 * i + 1; |
|
| - | 124 | srlz_d(); |
|
| - | 125 | ((uint32_t *)(IOSAPIC + 0x10))[0] = myid << (56 - 32) | |
|
| - | 126 | myeid << (48 - 32); |
|
| - | 127 | srlz_d(); |
|
| - | 128 | } |
|
| - | 129 | ||
| - | 130 | } |
|
| - | 131 | ||
| 103 | void arch_post_mm_init(void) |
132 | void arch_post_mm_init(void) |
| 104 | { |
133 | { |
| 105 | irq_init(INR_COUNT, INR_COUNT); |
134 | if (config.cpu_active == 1) { |
| 106 | #ifdef SKI |
- | |
| 107 | ski_init_console(); |
135 | iosapic_init(); |
| 108 | #else |
- | |
| 109 | ega_init(); |
136 | irq_init(INR_COUNT, INR_COUNT); |
| 110 | #endif |
137 | } |
| 111 | it_init(); |
138 | it_init(); |
| 112 | } |
139 | } |
| 113 | 140 | ||
| 114 | void arch_post_cpu_init(void) |
141 | void arch_post_cpu_init(void) |
| 115 | { |
142 | { |
| Line 117... | Line 144... | ||
| 117 | 144 | ||
| 118 | void arch_pre_smp_init(void) |
145 | void arch_pre_smp_init(void) |
| 119 | { |
146 | { |
| 120 | } |
147 | } |
| 121 | 148 | ||
| 122 | - | ||
| 123 | #ifdef I460GX |
- | |
| 124 | #define POLL_INTERVAL 50000 /* 50 ms */ |
- | |
| 125 | /** Kernel thread for polling keyboard. */ |
- | |
| 126 | static void i8042_kkbdpoll(void *arg) |
- | |
| 127 | { |
- | |
| 128 | while (1) { |
- | |
| 129 | i8042_poll(); |
- | |
| 130 | thread_usleep(POLL_INTERVAL); |
- | |
| 131 | } |
- | |
| 132 | } |
- | |
| 133 | #endif |
- | |
| 134 | - | ||
| 135 | void arch_post_smp_init(void) |
149 | void arch_post_smp_init(void) |
| 136 | { |
150 | { |
| 137 | - | ||
| 138 | if (config.cpu_active == 1) { |
- | |
| 139 | /* |
- | |
| 140 | * Create thread that polls keyboard. |
- | |
| 141 | */ |
- | |
| 142 | #ifdef SKI |
151 | #ifdef SKI |
| 143 | thread_t *t; |
152 | indev_t *in; |
| 144 | t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true); |
- | |
| 145 | if (!t) |
- | |
| 146 | panic("cannot create kkbdpoll\n"); |
- | |
| 147 | thread_ready(t); |
153 | in = skiin_init(); |
| 148 | #endif |
- | |
| 149 | - | ||
| 150 | #ifdef I460GX |
- | |
| 151 | devno_t kbd = device_assign_devno(); |
- | |
| 152 | devno_t mouse = device_assign_devno(); |
- | |
| 153 | /* keyboard controller */ |
- | |
| 154 | i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE); |
- | |
| 155 | - | ||
| 156 | thread_t *t; |
- | |
| 157 | t = thread_create(i8042_kkbdpoll, NULL, TASK, 0, "kkbdpoll", true); |
- | |
| 158 | if (!t) |
154 | if (in) |
| 159 | panic("cannot create kkbdpoll\n"); |
155 | srln_init(in); |
| 160 | thread_ready(t); |
156 | skiout_init(); |
| 161 | - | ||
| 162 | #endif |
157 | #endif |
| - | 158 | ||
| - | 159 | #ifdef CONFIG_EGA |
|
| - | 160 | ega_init(EGA_BASE, EGA_VIDEORAM); |
|
| - | 161 | #endif |
|
| 163 | 162 | ||
| - | 163 | #ifdef CONFIG_NS16550 |
|
| - | 164 | indev_t *kbrdin_ns16550 |
|
| - | 165 | = ns16550_init((ns16550_t *) NS16550_BASE, NS16550_IRQ, NULL, NULL); |
|
| - | 166 | if (kbrdin_ns16550) |
|
| - | 167 | srln_init(kbrdin_ns16550); |
|
| - | 168 | ||
| - | 169 | sysinfo_set_item_val("kbd", NULL, true); |
|
| - | 170 | sysinfo_set_item_val("kbd.inr", NULL, NS16550_IRQ); |
|
| - | 171 | sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550); |
|
| - | 172 | sysinfo_set_item_val("kbd.address.physical", NULL, |
|
| - | 173 | (uintptr_t) NS16550_BASE); |
|
| - | 174 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
|
| - | 175 | (uintptr_t) NS16550_BASE); |
|
| - | 176 | #endif |
|
| - | 177 | ||
| - | 178 | #ifdef CONFIG_I8042 |
|
| - | 179 | indev_t *kbrdin_i8042 = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD); |
|
| - | 180 | if (kbrdin_i8042) |
|
| - | 181 | kbrd_init(kbrdin_i8042); |
|
| - | 182 | ||
| - | 183 | sysinfo_set_item_val("kbd", NULL, true); |
|
| - | 184 | sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD); |
|
| - | 185 | sysinfo_set_item_val("kbd.type", NULL, KBD_LEGACY); |
|
| - | 186 | sysinfo_set_item_val("kbd.address.physical", NULL, |
|
| - | 187 | (uintptr_t) I8042_BASE); |
|
| - | 188 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
|
| - | 189 | (uintptr_t) I8042_BASE); |
|
| - | 190 | #endif |
|
| 164 | } |
191 | |
| - | 192 | sysinfo_set_item_val("ia64_iospace", NULL, true); |
|
| - | 193 | sysinfo_set_item_val("ia64_iospace.address", NULL, true); |
|
| - | 194 | sysinfo_set_item_val("ia64_iospace.address.virtual", NULL, IO_OFFSET); |
|
| 165 | } |
195 | } |
| 166 | 196 | ||
| - | 197 | ||
| 167 | /** Enter userspace and never return. */ |
198 | /** Enter userspace and never return. */ |
| 168 | void userspace(uspace_arg_t *kernel_uarg) |
199 | void userspace(uspace_arg_t *kernel_uarg) |
| 169 | { |
200 | { |
| 170 | psr_t psr; |
201 | psr_t psr; |
| 171 | rsc_t rsc; |
202 | rsc_t rsc; |
| 172 | 203 | ||
| 173 | psr.value = psr_read(); |
204 | psr.value = psr_read(); |
| 174 | psr.cpl = PL_USER; |
205 | psr.cpl = PL_USER; |
| 175 | psr.i = true; /* start with interrupts enabled */ |
206 | psr.i = true; /* start with interrupts enabled */ |
| 176 | psr.ic = true; |
207 | psr.ic = true; |
| 177 | psr.ri = 0; /* start with instruction #0 */ |
208 | psr.ri = 0; /* start with instruction #0 */ |
| 178 | psr.bn = 1; /* start in bank 0 */ |
209 | psr.bn = 1; /* start in bank 0 */ |
| 179 | 210 | ||
| 180 | asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value)); |
211 | asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value)); |
| 181 | rsc.loadrs = 0; |
212 | rsc.loadrs = 0; |
| 182 | rsc.be = false; |
213 | rsc.be = false; |
| 183 | rsc.pl = PL_USER; |
214 | rsc.pl = PL_USER; |
| 184 | rsc.mode = 3; /* eager mode */ |
215 | rsc.mode = 3; /* eager mode */ |
| 185 | 216 | ||
| 186 | switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry, |
217 | 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), |
218 | ((uintptr_t) kernel_uarg->uspace_stack) + PAGE_SIZE - |
| 188 | ((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE, |
219 | ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT), |
| 189 | (uintptr_t) kernel_uarg->uspace_uarg, |
220 | ((uintptr_t) kernel_uarg->uspace_stack) + PAGE_SIZE, |
| 190 | psr.value, rsc.value); |
221 | (uintptr_t) kernel_uarg->uspace_uarg, psr.value, rsc.value); |
| 191 | 222 | ||
| 192 | while (1) { |
223 | while (1) |
| 193 | ; |
224 | ; |
| 194 | } |
- | |
| 195 | } |
225 | } |
| 196 | 226 | ||
| 197 | /** Set thread-local-storage pointer. |
227 | /** Set thread-local-storage pointer. |
| 198 | * |
228 | * |
| 199 | * We use r13 (a.k.a. tp) for this purpose. |
229 | * We use r13 (a.k.a. tp) for this purpose. |
| Line 208... | Line 238... | ||
| 208 | */ |
238 | */ |
| 209 | void arch_grab_console(void) |
239 | void arch_grab_console(void) |
| 210 | { |
240 | { |
| 211 | #ifdef SKI |
241 | #ifdef SKI |
| 212 | ski_kbd_grab(); |
242 | ski_kbd_grab(); |
| 213 | #endif |
243 | #endif |
| 214 | } |
244 | } |
| - | 245 | ||
| 215 | /** Return console to userspace |
246 | /** Return console to userspace |
| 216 | * |
247 | * |
| 217 | */ |
248 | */ |
| 218 | void arch_release_console(void) |
249 | void arch_release_console(void) |
| 219 | { |
250 | { |
| Line 222... | Line 253... | ||
| 222 | #endif |
253 | #endif |
| 223 | } |
254 | } |
| 224 | 255 | ||
| 225 | void arch_reboot(void) |
256 | void arch_reboot(void) |
| 226 | { |
257 | { |
| 227 | // TODO |
258 | pio_write_8((ioport8_t *)0x64, 0xfe); |
| 228 | while (1); |
259 | while (1) |
| - | 260 | ; |
|
| - | 261 | } |
|
| - | 262 | ||
| - | 263 | /** Construct function pointer |
|
| - | 264 | * |
|
| - | 265 | * @param fptr function pointer structure |
|
| - | 266 | * @param addr function address |
|
| - | 267 | * @param caller calling function address |
|
| - | 268 | * |
|
| - | 269 | * @return address of the function pointer |
|
| - | 270 | * |
|
| - | 271 | */ |
|
| - | 272 | void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
|
| - | 273 | { |
|
| - | 274 | fptr->fnc = (unative_t) addr; |
|
| - | 275 | fptr->gp = ((unative_t *) caller)[1]; |
|
| - | 276 | ||
| - | 277 | return (void *) fptr; |
|
| 229 | } |
278 | } |
| 230 | 279 | ||
| 231 | /** @} |
280 | /** @} |
| 232 | */ |
281 | */ |