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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/drivers/ski.h> |
36 | #include <arch/drivers/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 <arch/bootinfo.h> |
53 | #include <arch/bootinfo.h> |
54 | #include <genarch/drivers/legacy/ia32/io.h> |
54 | #include <genarch/drivers/legacy/ia32/io.h> |
55 | #include <genarch/drivers/ega/ega.h> |
55 | #include <genarch/drivers/ega/ega.h> |
56 | #include <genarch/kbrd/kbrd.h> |
56 | #include <genarch/kbrd/kbrd.h> |
57 | #include <genarch/srln/srln.h> |
57 | #include <genarch/srln/srln.h> |
58 | #include <genarch/drivers/i8042/i8042.h> |
58 | #include <genarch/drivers/i8042/i8042.h> |
59 | #include <genarch/drivers/ns16550/ns16550.h> |
59 | #include <genarch/drivers/ns16550/ns16550.h> |
60 | #include <arch/drivers/kbd.h> |
60 | #include <arch/drivers/kbd.h> |
61 | #include <smp/smp.h> |
61 | #include <smp/smp.h> |
62 | #include <smp/ipi.h> |
62 | #include <smp/ipi.h> |
63 | #include <arch/atomic.h> |
63 | #include <arch/atomic.h> |
64 | #include <panic.h> |
64 | #include <panic.h> |
65 | #include <print.h> |
65 | #include <print.h> |
66 | #include <sysinfo/sysinfo.h> |
66 | #include <sysinfo/sysinfo.h> |
67 | #include <string.h> |
67 | #include <string.h> |
68 | 68 | ||
69 | /* NS16550 as a COM 1 */ |
69 | /* NS16550 as a COM 1 */ |
70 | #define NS16550_IRQ (4 + LEGACY_INTERRUPT_BASE) |
70 | #define NS16550_IRQ (4 + LEGACY_INTERRUPT_BASE) |
71 | 71 | ||
72 | bootinfo_t *bootinfo; |
72 | bootinfo_t *bootinfo; |
73 | 73 | ||
74 | static uint64_t iosapic_base = 0xfec00000; |
74 | static uint64_t iosapic_base = 0xfec00000; |
75 | 75 | ||
76 | /** Performs ia64-specific initialization before main_bsp() is called. */ |
76 | /** Performs ia64-specific initialization before main_bsp() is called. */ |
77 | void arch_pre_main(void) |
77 | void arch_pre_main(void) |
78 | { |
78 | { |
79 | /* Setup usermode init tasks. */ |
79 | /* Setup usermode init tasks. */ |
80 | 80 | ||
81 | unsigned int i; |
81 | unsigned int i; |
82 | 82 | ||
83 | init.cnt = bootinfo->taskmap.count; |
83 | init.cnt = bootinfo->taskmap.count; |
84 | 84 | ||
85 | for (i = 0; i < init.cnt; i++) { |
85 | for (i = 0; i < init.cnt; i++) { |
86 | init.tasks[i].addr = |
86 | init.tasks[i].addr = |
87 | ((unsigned long) bootinfo->taskmap.tasks[i].addr) | |
87 | ((unsigned long) bootinfo->taskmap.tasks[i].addr) | |
88 | VRN_MASK; |
88 | VRN_MASK; |
89 | init.tasks[i].size = bootinfo->taskmap.tasks[i].size; |
89 | init.tasks[i].size = bootinfo->taskmap.tasks[i].size; |
90 | str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN, |
90 | str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN, |
91 | bootinfo->taskmap.tasks[i].name); |
91 | bootinfo->taskmap.tasks[i].name); |
92 | } |
92 | } |
93 | } |
93 | } |
94 | 94 | ||
95 | void arch_pre_mm_init(void) |
95 | void arch_pre_mm_init(void) |
96 | { |
96 | { |
97 | /* |
97 | /* |
98 | * Set Interruption Vector Address (i.e. location of interruption vector |
98 | * Set Interruption Vector Address (i.e. location of interruption vector |
99 | * table). |
99 | * table). |
100 | */ |
100 | */ |
101 | iva_write((uintptr_t) &ivt); |
101 | iva_write((uintptr_t) &ivt); |
102 | srlz_d(); |
102 | srlz_d(); |
103 | 103 | ||
104 | } |
104 | } |
105 | 105 | ||
106 | static void iosapic_init(void) |
106 | static void iosapic_init(void) |
107 | { |
107 | { |
108 | uint64_t IOSAPIC = PA2KA((unative_t)(iosapic_base)) | FW_OFFSET; |
108 | uint64_t IOSAPIC = PA2KA((unative_t)(iosapic_base)) | FW_OFFSET; |
109 | int i; |
109 | int i; |
110 | 110 | ||
111 | int myid, myeid; |
111 | int myid, myeid; |
112 | 112 | ||
113 | myid = ia64_get_cpu_id(); |
113 | myid = ia64_get_cpu_id(); |
114 | myeid = ia64_get_cpu_eid(); |
114 | myeid = ia64_get_cpu_eid(); |
115 | 115 | ||
116 | for (i = 0; i < 16; i++) { |
116 | for (i = 0; i < 16; i++) { |
117 | if (i == 2) |
117 | if (i == 2) |
118 | continue; /* Disable Cascade interrupt */ |
118 | continue; /* Disable Cascade interrupt */ |
119 | ((uint32_t *)(IOSAPIC + 0x00))[0] = 0x10 + 2 * i; |
119 | ((uint32_t *)(IOSAPIC + 0x00))[0] = 0x10 + 2 * i; |
120 | srlz_d(); |
120 | srlz_d(); |
121 | ((uint32_t *)(IOSAPIC + 0x10))[0] = LEGACY_INTERRUPT_BASE + i; |
121 | ((uint32_t *)(IOSAPIC + 0x10))[0] = LEGACY_INTERRUPT_BASE + i; |
122 | srlz_d(); |
122 | srlz_d(); |
123 | ((uint32_t *)(IOSAPIC + 0x00))[0] = 0x10 + 2 * i + 1; |
123 | ((uint32_t *)(IOSAPIC + 0x00))[0] = 0x10 + 2 * i + 1; |
124 | srlz_d(); |
124 | srlz_d(); |
125 | ((uint32_t *)(IOSAPIC + 0x10))[0] = myid << (56 - 32) | |
125 | ((uint32_t *)(IOSAPIC + 0x10))[0] = myid << (56 - 32) | |
126 | myeid << (48 - 32); |
126 | myeid << (48 - 32); |
127 | srlz_d(); |
127 | srlz_d(); |
128 | } |
128 | } |
129 | 129 | ||
130 | } |
130 | } |
131 | 131 | ||
132 | void arch_post_mm_init(void) |
132 | void arch_post_mm_init(void) |
133 | { |
133 | { |
134 | if (config.cpu_active == 1) { |
134 | if (config.cpu_active == 1) { |
135 | iosapic_init(); |
135 | iosapic_init(); |
136 | irq_init(INR_COUNT, INR_COUNT); |
136 | irq_init(INR_COUNT, INR_COUNT); |
137 | } |
137 | } |
138 | it_init(); |
138 | it_init(); |
139 | } |
139 | } |
140 | 140 | ||
141 | void arch_post_cpu_init(void) |
141 | void arch_post_cpu_init(void) |
142 | { |
142 | { |
143 | } |
143 | } |
144 | 144 | ||
145 | void arch_pre_smp_init(void) |
145 | void arch_pre_smp_init(void) |
146 | { |
146 | { |
147 | } |
147 | } |
148 | 148 | ||
149 | void arch_post_smp_init(void) |
149 | void arch_post_smp_init(void) |
150 | { |
150 | { |
151 | #ifdef MACHINE_ski |
151 | #ifdef MACHINE_ski |
152 | ski_instance_t *ski_instance = skiin_init(); |
152 | ski_instance_t *ski_instance = skiin_init(); |
153 | if (ski_instance) { |
153 | if (ski_instance) { |
154 | srln_instance_t *srln_instance = srln_init(); |
154 | srln_instance_t *srln_instance = srln_init(); |
155 | if (srln_instance) { |
155 | if (srln_instance) { |
156 | indev_t *sink = stdin_wire(); |
156 | indev_t *sink = stdin_wire(); |
157 | indev_t *srln = srln_wire(srln_instance, sink); |
157 | indev_t *srln = srln_wire(srln_instance, sink); |
158 | skiin_wire(ski_instance, srln); |
158 | skiin_wire(ski_instance, srln); |
159 | } |
159 | } |
160 | } |
160 | } |
161 | 161 | ||
162 | skiout_init(); |
162 | skiout_init(); |
163 | #endif |
163 | #endif |
164 | 164 | ||
165 | #ifdef CONFIG_EGA |
165 | #ifdef CONFIG_EGA |
166 | ega_init(EGA_BASE, EGA_VIDEORAM); |
166 | ega_init(EGA_BASE, EGA_VIDEORAM); |
167 | #endif |
167 | #endif |
168 | 168 | ||
169 | #ifdef CONFIG_NS16550 |
169 | #ifdef CONFIG_NS16550 |
170 | ns16550_instance_t *ns16550_instance |
170 | ns16550_instance_t *ns16550_instance |
171 | = ns16550_init((ns16550_t *) NS16550_BASE, NS16550_IRQ, NULL, NULL); |
171 | = ns16550_init((ns16550_t *) NS16550_BASE, NS16550_IRQ, NULL, NULL); |
172 | if (ns16550_instance) { |
172 | if (ns16550_instance) { |
173 | srln_instance_t *srln_instance = srln_init(); |
173 | srln_instance_t *srln_instance = srln_init(); |
174 | if (srln_instance) { |
174 | if (srln_instance) { |
175 | indev_t *sink = stdin_wire(); |
175 | indev_t *sink = stdin_wire(); |
176 | indev_t *srln = srln_wire(srln_instance, sink); |
176 | indev_t *srln = srln_wire(srln_instance, sink); |
177 | ns16550_wire(ns16550_instance, srln); |
177 | ns16550_wire(ns16550_instance, srln); |
178 | } |
178 | } |
179 | } |
179 | } |
180 | 180 | ||
181 | sysinfo_set_item_val("kbd", NULL, true); |
181 | sysinfo_set_item_val("kbd", NULL, true); |
182 | sysinfo_set_item_val("kbd.inr", NULL, NS16550_IRQ); |
182 | sysinfo_set_item_val("kbd.inr", NULL, NS16550_IRQ); |
183 | sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550); |
183 | sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550); |
184 | sysinfo_set_item_val("kbd.address.physical", NULL, |
184 | sysinfo_set_item_val("kbd.address.physical", NULL, |
185 | (uintptr_t) NS16550_BASE); |
185 | (uintptr_t) NS16550_BASE); |
186 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
186 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
187 | (uintptr_t) NS16550_BASE); |
187 | (uintptr_t) NS16550_BASE); |
188 | #endif |
188 | #endif |
189 | 189 | ||
190 | #ifdef CONFIG_I8042 |
190 | #ifdef CONFIG_I8042 |
191 | i8042_instance_t *i8042_instance = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD); |
191 | i8042_instance_t *i8042_instance = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD); |
192 | if (i8042_instance) { |
192 | if (i8042_instance) { |
193 | kbrd_instance_t *kbrd_instance = kbrd_init(); |
193 | kbrd_instance_t *kbrd_instance = kbrd_init(); |
194 | if (kbrd_instance) { |
194 | if (kbrd_instance) { |
195 | indev_t *sink = stdin_wire(); |
195 | indev_t *sink = stdin_wire(); |
196 | indev_t *kbrd = kbrd_wire(kbrd_instance, sink); |
196 | indev_t *kbrd = kbrd_wire(kbrd_instance, sink); |
197 | i8042_wire(i8042_instance, kbrd); |
197 | i8042_wire(i8042_instance, kbrd); |
198 | } |
198 | } |
199 | } |
199 | } |
200 | 200 | ||
201 | sysinfo_set_item_val("kbd", NULL, true); |
201 | sysinfo_set_item_val("kbd", NULL, true); |
202 | sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD); |
202 | sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD); |
203 | sysinfo_set_item_val("kbd.type", NULL, KBD_LEGACY); |
203 | sysinfo_set_item_val("kbd.type", NULL, KBD_LEGACY); |
204 | sysinfo_set_item_val("kbd.address.physical", NULL, |
204 | sysinfo_set_item_val("kbd.address.physical", NULL, |
205 | (uintptr_t) I8042_BASE); |
205 | (uintptr_t) I8042_BASE); |
206 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
206 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
207 | (uintptr_t) I8042_BASE); |
207 | (uintptr_t) I8042_BASE); |
208 | #endif |
208 | #endif |
209 | 209 | ||
210 | sysinfo_set_item_val("ia64_iospace", NULL, true); |
210 | sysinfo_set_item_val("ia64_iospace", NULL, true); |
211 | sysinfo_set_item_val("ia64_iospace.address", NULL, true); |
211 | sysinfo_set_item_val("ia64_iospace.address", NULL, true); |
212 | sysinfo_set_item_val("ia64_iospace.address.virtual", NULL, IO_OFFSET); |
212 | sysinfo_set_item_val("ia64_iospace.address.virtual", NULL, IO_OFFSET); |
213 | } |
213 | } |
214 | 214 | ||
215 | 215 | ||
216 | /** Enter userspace and never return. */ |
216 | /** Enter userspace and never return. */ |
217 | void userspace(uspace_arg_t *kernel_uarg) |
217 | void userspace(uspace_arg_t *kernel_uarg) |
218 | { |
218 | { |
219 | psr_t psr; |
219 | psr_t psr; |
220 | rsc_t rsc; |
220 | rsc_t rsc; |
221 | 221 | ||
222 | psr.value = psr_read(); |
222 | psr.value = psr_read(); |
223 | psr.cpl = PL_USER; |
223 | psr.cpl = PL_USER; |
224 | psr.i = true; /* start with interrupts enabled */ |
224 | psr.i = true; /* start with interrupts enabled */ |
225 | psr.ic = true; |
225 | psr.ic = true; |
226 | psr.ri = 0; /* start with instruction #0 */ |
226 | psr.ri = 0; /* start with instruction #0 */ |
227 | psr.bn = 1; /* start in bank 0 */ |
227 | psr.bn = 1; /* start in bank 0 */ |
228 | 228 | ||
229 | asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value)); |
229 | asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value)); |
230 | rsc.loadrs = 0; |
230 | rsc.loadrs = 0; |
231 | rsc.be = false; |
231 | rsc.be = false; |
232 | rsc.pl = PL_USER; |
232 | rsc.pl = PL_USER; |
233 | rsc.mode = 3; /* eager mode */ |
233 | rsc.mode = 3; /* eager mode */ |
234 | 234 | ||
235 | switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry, |
235 | switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry, |
236 | ((uintptr_t) kernel_uarg->uspace_stack) + PAGE_SIZE - |
236 | ((uintptr_t) kernel_uarg->uspace_stack) + PAGE_SIZE - |
237 | ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT), |
237 | ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT), |
238 | ((uintptr_t) kernel_uarg->uspace_stack) + PAGE_SIZE, |
238 | ((uintptr_t) kernel_uarg->uspace_stack) + PAGE_SIZE, |
239 | (uintptr_t) kernel_uarg->uspace_uarg, psr.value, rsc.value); |
239 | (uintptr_t) kernel_uarg->uspace_uarg, psr.value, rsc.value); |
240 | 240 | ||
241 | while (1) |
241 | while (1) |
242 | ; |
242 | ; |
243 | } |
243 | } |
244 | 244 | ||
245 | /** Set thread-local-storage pointer. |
245 | /** Set thread-local-storage pointer. |
246 | * |
246 | * |
247 | * We use r13 (a.k.a. tp) for this purpose. |
247 | * We use r13 (a.k.a. tp) for this purpose. |
248 | */ |
248 | */ |
249 | unative_t sys_tls_set(unative_t addr) |
249 | unative_t sys_tls_set(unative_t addr) |
250 | { |
250 | { |
251 | return 0; |
251 | return 0; |
252 | } |
252 | } |
253 | 253 | ||
254 | /** Acquire console back for kernel |
254 | /** Acquire console back for kernel |
255 | * |
255 | * |
256 | */ |
256 | */ |
257 | void arch_grab_console(void) |
257 | void arch_grab_console(void) |
258 | { |
258 | { |
259 | #ifdef MACHINE_ski |
259 | #ifdef MACHINE_ski |
260 | ski_kbd_grab(); |
260 | ski_kbd_grab(); |
261 | #endif |
261 | #endif |
262 | } |
262 | } |
263 | 263 | ||
264 | /** Return console to userspace |
264 | /** Return console to userspace |
265 | * |
265 | * |
266 | */ |
266 | */ |
267 | void arch_release_console(void) |
267 | void arch_release_console(void) |
268 | { |
268 | { |
269 | #ifdef MACHINE_ski |
269 | #ifdef MACHINE_ski |
270 | ski_kbd_release(); |
270 | ski_kbd_release(); |
271 | #endif |
271 | #endif |
272 | } |
272 | } |
273 | 273 | ||
274 | void arch_reboot(void) |
274 | void arch_reboot(void) |
275 | { |
275 | { |
276 | pio_write_8((ioport8_t *)0x64, 0xfe); |
276 | pio_write_8((ioport8_t *)0x64, 0xfe); |
277 | while (1) |
277 | while (1) |
278 | ; |
278 | ; |
279 | } |
279 | } |
280 | 280 | ||
281 | /** Construct function pointer |
281 | /** Construct function pointer |
282 | * |
282 | * |
283 | * @param fptr function pointer structure |
283 | * @param fptr function pointer structure |
284 | * @param addr function address |
284 | * @param addr function address |
285 | * @param caller calling function address |
285 | * @param caller calling function address |
286 | * |
286 | * |
287 | * @return address of the function pointer |
287 | * @return address of the function pointer |
288 | * |
288 | * |
289 | */ |
289 | */ |
290 | void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
290 | void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
291 | { |
291 | { |
292 | fptr->fnc = (unative_t) addr; |
292 | fptr->fnc = (unative_t) addr; |
293 | fptr->gp = ((unative_t *) caller)[1]; |
293 | fptr->gp = ((unative_t *) caller)[1]; |
294 | 294 | ||
295 | return (void *) fptr; |
295 | return (void *) fptr; |
296 | } |
296 | } |
297 | 297 | ||
298 | /** @} |
298 | /** @} |
299 | */ |
299 | */ |
300 | 300 |