Rev 9958 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
||
9715 | Doczom | 3 | ;; Copyright (C) KolibriOS team 2004-2022. All rights reserved. ;; |
2288 | clevermous | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
||
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
7 | |||
4850 | mario79 | 8 | $Revision: 9977 $ |
2288 | clevermous | 9 | |
7733 | dunkaist | 10 | MAX_IOAPICS = 2 |
4850 | mario79 | 11 | |
2288 | clevermous | 12 | uglobal |
7733 | dunkaist | 13 | IRQ_COUNT rd MAX_IOAPICS |
14 | irq_mode rd 1 ; PIC/(IO)APIC |
||
15 | IOAPIC_base rd MAX_IOAPICS |
||
16 | ioapic_gsi_base rd MAX_IOAPICS ; zero-based, i.e. not vector |
||
17 | ioapic_cnt dd ? ; from MADT aka APIC table |
||
18 | ioapic_cur dd ? |
||
2288 | clevermous | 19 | LAPIC_BASE rd 1 |
20 | endg |
||
21 | |||
7136 | dunkaist | 22 | APIC_ID = 0x20 |
23 | APIC_TPR = 0x80 |
||
24 | APIC_EOI = 0xb0 |
||
25 | APIC_LDR = 0xd0 |
||
26 | APIC_DFR = 0xe0 |
||
27 | APIC_SVR = 0xf0 |
||
28 | APIC_ISR = 0x100 |
||
29 | APIC_ESR = 0x280 |
||
30 | APIC_ICRL = 0x300 |
||
31 | APIC_ICRH = 0x310 |
||
32 | APIC_LVT_LINT0 = 0x350 |
||
33 | APIC_LVT_LINT1 = 0x360 |
||
34 | APIC_LVT_err = 0x370 |
||
2288 | clevermous | 35 | |
36 | ; APIC timer |
||
7136 | dunkaist | 37 | APIC_LVT_timer = 0x320 |
38 | APIC_timer_div = 0x3e0 |
||
39 | APIC_timer_init = 0x380 |
||
40 | APIC_timer_cur = 0x390 |
||
2288 | clevermous | 41 | ; IOAPIC |
7136 | dunkaist | 42 | IOAPIC_ID = 0x0 |
43 | IOAPIC_VER = 0x1 |
||
44 | IOAPIC_ARB = 0x2 |
||
45 | IOAPIC_REDTBL = 0x10 |
||
2288 | clevermous | 46 | |
47 | align 4 |
||
48 | APIC_init: |
||
7733 | dunkaist | 49 | push ebx |
2288 | clevermous | 50 | mov [irq_mode], IRQ_PIC |
51 | |||
52 | cmp [acpi_ioapic_base], 0 |
||
53 | jz .no_apic |
||
54 | |||
55 | cmp [acpi_lapic_base], 0 |
||
56 | jz .no_apic |
||
57 | |||
9958 | dunkaist | 58 | ; non-UEFI loaders don't load DEVICES.DAT but they zero out [acpi_dev_size] |
8092 | dunkaist | 59 | cmp [acpi_dev_size], 0 |
60 | jz @f |
||
61 | stdcall map_io_mem, [acpi_dev_data], [acpi_dev_size], PG_SWR |
||
62 | mov [acpi_dev_data], eax |
||
63 | jmp .loaded |
||
64 | @@: |
||
65 | |||
2288 | clevermous | 66 | stdcall load_file, dev_data_path |
67 | test eax, eax |
||
68 | jz .no_apic |
||
69 | |||
70 | mov [acpi_dev_data], eax |
||
71 | mov [acpi_dev_size], ebx |
||
8092 | dunkaist | 72 | .loaded: |
2288 | clevermous | 73 | |
74 | ; IOAPIC init |
||
7733 | dunkaist | 75 | xor ebx, ebx |
76 | @@: |
||
9715 | Doczom | 77 | stdcall map_io_mem, [acpi_ioapic_base + ebx*4], 0x20, PG_GLOBAL + PG_NOCACHE + PG_SWR |
78 | mov [IOAPIC_base + ebx*4], eax |
||
7733 | dunkaist | 79 | inc ebx |
80 | cmp ebx, [ioapic_cnt] |
||
81 | jnz @b |
||
2288 | clevermous | 82 | |
7733 | dunkaist | 83 | call IRQ_mask_all |
84 | mov [ioapic_cur], 0 |
||
85 | .next_ioapic: |
||
86 | mov edx, [ioapic_cur] |
||
2288 | clevermous | 87 | mov eax, IOAPIC_VER |
88 | call IOAPIC_read |
||
89 | shr eax, 16 |
||
90 | inc al |
||
91 | movzx eax, al |
||
9715 | Doczom | 92 | mov ecx, [ioapic_gsi_base + edx*4] |
7733 | dunkaist | 93 | cmp ecx, IRQ_RESERVED |
94 | jae .lapic_init |
||
95 | add ecx, eax |
||
96 | sub ecx, IRQ_RESERVED |
||
2288 | clevermous | 97 | jbe @f |
7733 | dunkaist | 98 | sub eax, ecx |
2288 | clevermous | 99 | @@: |
9715 | Doczom | 100 | mov [IRQ_COUNT + edx*4], eax |
2288 | clevermous | 101 | |
102 | ; Reroute IOAPIC & mask all interrupts |
||
103 | xor ecx, ecx |
||
104 | mov eax, IOAPIC_REDTBL |
||
7733 | dunkaist | 105 | .next_irq: |
2288 | clevermous | 106 | mov ebx, eax |
107 | call IOAPIC_read |
||
3751 | Serge | 108 | mov ah, 0x08; Delivery Mode: Fixed, Destination Mode: Logical |
2288 | clevermous | 109 | mov al, cl |
110 | add al, 0x20; vector |
||
9715 | Doczom | 111 | add eax, [ioapic_gsi_base + edx*4] |
7733 | dunkaist | 112 | or eax, 0x1a000; Mask Interrupt, level-triggered active-low |
113 | cmp [ioapic_cur], 0 |
||
114 | jnz @f |
||
2288 | clevermous | 115 | cmp ecx, 16 |
7733 | dunkaist | 116 | jae @f |
117 | and eax, NOT 0xa000 ; edge-triggered active-high for IRQ0-15 |
||
118 | @@: |
||
2288 | clevermous | 119 | xchg eax, ebx |
120 | call IOAPIC_write |
||
121 | inc eax |
||
122 | mov ebx, eax |
||
123 | call IOAPIC_read |
||
124 | or eax, 0xff000000; Destination Field |
||
125 | xchg eax, ebx |
||
126 | call IOAPIC_write |
||
127 | inc eax |
||
128 | inc ecx |
||
9715 | Doczom | 129 | cmp ecx, [IRQ_COUNT + edx*4] |
7733 | dunkaist | 130 | jb .next_irq |
2288 | clevermous | 131 | |
7733 | dunkaist | 132 | inc [ioapic_cur] |
133 | inc edx |
||
134 | cmp edx, [ioapic_cnt] |
||
135 | jnz .next_ioapic |
||
136 | |||
137 | .lapic_init: |
||
2288 | clevermous | 138 | call LAPIC_init |
139 | |||
140 | mov [irq_mode], IRQ_APIC |
||
141 | |||
142 | mov al, 0x70 |
||
143 | out 0x22, al |
||
144 | mov al, 1 |
||
145 | out 0x23, al |
||
146 | |||
147 | call pci_irq_fixup |
||
148 | .no_apic: |
||
7733 | dunkaist | 149 | pop ebx |
2288 | clevermous | 150 | ret |
151 | |||
152 | ;=========================================================== |
||
153 | align 4 |
||
154 | LAPIC_init: |
||
155 | |||
8120 | dunkaist | 156 | mov eax, [LAPIC_BASE] |
157 | test eax, eax |
||
158 | jnz @f |
||
9715 | Doczom | 159 | stdcall map_io_mem, [acpi_lapic_base], 0x1000, PG_GLOBAL + PG_NOCACHE + PG_SWR |
2288 | clevermous | 160 | mov [LAPIC_BASE], eax |
8120 | dunkaist | 161 | @@: |
2288 | clevermous | 162 | mov esi, eax |
163 | |||
164 | ; Program Destination Format Register for Flat mode. |
||
165 | mov eax, [esi + APIC_DFR] |
||
166 | or eax, 0xf0000000 |
||
167 | mov [esi + APIC_DFR], eax |
||
168 | |||
169 | ; Program Logical Destination Register. |
||
170 | mov eax, [esi + APIC_LDR] |
||
171 | ;and eax, 0xff000000 |
||
172 | and eax, 0x00ffffff |
||
173 | or eax, 0x01000000;!!!!!!!!!!!! |
||
174 | mov [esi + APIC_LDR], eax |
||
175 | |||
176 | ; Task Priority Register initialization. |
||
177 | mov eax, [esi + APIC_TPR] |
||
178 | and eax, 0xffffff00 |
||
179 | mov [esi + APIC_TPR], eax |
||
180 | |||
181 | ; Flush the queue |
||
9977 | rgimad | 182 | xor edx, edx |
2288 | clevermous | 183 | .nxt2: |
184 | mov ecx, 32 |
||
185 | mov eax, [esi + APIC_ISR + edx] |
||
186 | .nxt: |
||
187 | shr eax, 1 |
||
188 | jnc @f |
||
189 | mov dword [esi + APIC_EOI], 0; EOI |
||
190 | @@: |
||
191 | loop .nxt |
||
192 | |||
193 | add edx, 0x10 |
||
194 | cmp edx, 0x170 |
||
195 | jbe .nxt2 |
||
196 | |||
197 | ; Spurious-Interrupt Vector Register initialization. |
||
198 | mov eax, [esi + APIC_SVR] |
||
199 | or eax, 0x1ff |
||
200 | and eax, 0xfffffdff |
||
201 | mov [esi + APIC_SVR], eax |
||
202 | |||
203 | ; Initialize LVT LINT0 register. (INTR) |
||
204 | mov eax, 0x00700 |
||
205 | ; mov eax, 0x10700 |
||
206 | mov [esi + APIC_LVT_LINT0], eax |
||
207 | |||
208 | ; Initialize LVT LINT1 register. (NMI) |
||
209 | mov eax, 0x00400 |
||
210 | mov [esi + APIC_LVT_LINT1], eax |
||
211 | |||
212 | ; Initialize LVT Error register. |
||
213 | mov eax, [esi + APIC_LVT_err] |
||
214 | or eax, 0x10000; bit 16 |
||
215 | mov [esi + APIC_LVT_err], eax |
||
216 | |||
217 | ; LAPIC timer |
||
218 | ; pre init |
||
219 | mov dword[esi + APIC_timer_div], 1011b; 1 |
||
220 | mov dword[esi + APIC_timer_init], 0xffffffff; max val |
||
221 | push esi |
||
222 | mov esi, 640 ; wait 0.64 sec |
||
223 | call delay_ms |
||
224 | pop esi |
||
225 | mov eax, [esi + APIC_timer_cur]; read current tick couner |
||
226 | xor eax, 0xffffffff ; eax = 0xffffffff - eax |
||
227 | shr eax, 6 ; eax /= 64; APIC ticks per 0.01 sec |
||
228 | |||
229 | ; Start (every 0.01 sec) |
||
230 | mov dword[esi + APIC_LVT_timer], 0x30020; periodic int 0x20 |
||
231 | mov dword[esi + APIC_timer_init], eax |
||
2443 | Serge | 232 | |
233 | .done: |
||
2288 | clevermous | 234 | ret |
235 | |||
236 | ;=========================================================== |
||
237 | ; IOAPIC implementation |
||
238 | align 4 |
||
239 | IOAPIC_read: |
||
240 | ; in : EAX - IOAPIC register |
||
241 | ; out: EAX - readed value |
||
242 | push esi |
||
7733 | dunkaist | 243 | mov esi, [ioapic_cur] |
9715 | Doczom | 244 | mov esi, [IOAPIC_base + esi*4] |
2288 | clevermous | 245 | mov [esi], eax |
246 | mov eax, [esi + 0x10] |
||
247 | pop esi |
||
248 | ret |
||
249 | |||
250 | align 4 |
||
251 | IOAPIC_write: |
||
252 | ; in : EAX - IOAPIC register |
||
253 | ; EBX - value |
||
254 | ; out: none |
||
255 | push esi |
||
7733 | dunkaist | 256 | mov esi, [ioapic_cur] |
9715 | Doczom | 257 | mov esi, [IOAPIC_base + esi*4] |
2288 | clevermous | 258 | mov [esi], eax |
259 | mov [esi + 0x10], ebx |
||
260 | pop esi |
||
261 | ret |
||
262 | ;=========================================================== |
||
263 | ; Remap all IRQ to 0x20+ Vectors |
||
264 | ; IRQ0 to vector 0x20, IRQ1 to vector 0x21.... |
||
265 | align 4 |
||
266 | PIC_init: |
||
7733 | dunkaist | 267 | mov [IRQ_COUNT], 16 |
2288 | clevermous | 268 | cli |
269 | mov al, 0x11 ; icw4, edge triggered |
||
270 | out 0x20, al |
||
271 | out 0xA0, al |
||
272 | |||
273 | mov al, 0x20 ; generate 0x20 + |
||
274 | out 0x21, al |
||
275 | mov al, 0x28 ; generate 0x28 + |
||
276 | out 0xA1, al |
||
277 | |||
278 | mov al, 0x04 ; slave at irq2 |
||
279 | out 0x21, al |
||
280 | mov al, 0x02 ; at irq9 |
||
281 | out 0xA1, al |
||
282 | |||
283 | mov al, 0x01 ; 8086 mode |
||
284 | out 0x21, al |
||
285 | out 0xA1, al |
||
286 | |||
287 | call IRQ_mask_all |
||
288 | ret |
||
289 | |||
290 | ; ----------------------------------------- |
||
291 | ; TIMER SET TO 1/100 S |
||
292 | align 4 |
||
293 | PIT_init: |
||
294 | mov al, 0x34 ; set to 100Hz |
||
295 | out 0x43, al |
||
296 | mov al, 0x9b ; lsb 1193180 / 1193 |
||
297 | out 0x40, al |
||
298 | mov al, 0x2e ; msb |
||
299 | out 0x40, al |
||
300 | ret |
||
301 | |||
302 | ; ----------------------------------------- |
||
303 | align 4 |
||
304 | unmask_timer: |
||
305 | cmp [irq_mode], IRQ_APIC |
||
306 | je @f |
||
307 | |||
308 | stdcall enable_irq, 0 |
||
309 | ret |
||
310 | @@: |
||
311 | ; use PIT |
||
312 | ; in some systems PIT no connected to IOAPIC |
||
313 | ; mov eax, 0x14 |
||
314 | ; call IOAPIC_read |
||
315 | ; mov ah, 0x09 ; Delivery Mode: Lowest Priority, Destination Mode: Logical |
||
316 | ; mov al, 0x20 |
||
317 | ; or eax, 0x10000 ; Mask Interrupt |
||
318 | ; mov ebx, eax |
||
319 | ; mov eax, 0x14 |
||
320 | ; call IOAPIC_write |
||
321 | ; stdcall enable_irq, 2 |
||
322 | ; ret |
||
323 | |||
324 | ; use LAPIC timer |
||
325 | mov esi, [LAPIC_BASE] |
||
326 | mov eax, [esi + APIC_LVT_timer] |
||
327 | and eax, 0xfffeffff |
||
328 | mov [esi + APIC_LVT_timer], eax |
||
329 | ret |
||
330 | |||
331 | ; ----------------------------------------- |
||
332 | ; Disable all IRQ |
||
333 | align 4 |
||
334 | IRQ_mask_all: |
||
335 | cmp [irq_mode], IRQ_APIC |
||
336 | je .APIC |
||
337 | |||
338 | mov al, 0xFF |
||
339 | out 0x21, al |
||
340 | out 0xA1, al |
||
341 | mov ecx, 0x1000 |
||
342 | ret |
||
343 | .APIC: |
||
7733 | dunkaist | 344 | cmp [IOAPIC_base], 0 |
345 | jz .done |
||
346 | mov [ioapic_cur], 0 |
||
347 | .next_ioapic: |
||
348 | mov edx, [ioapic_cur] |
||
9715 | Doczom | 349 | mov ecx, [IRQ_COUNT + edx*4] |
2288 | clevermous | 350 | mov eax, 0x10 |
351 | @@: |
||
352 | mov ebx, eax |
||
353 | call IOAPIC_read |
||
354 | or eax, 0x10000; bit 16 |
||
355 | xchg eax, ebx |
||
356 | call IOAPIC_write |
||
357 | inc eax |
||
358 | inc eax |
||
359 | loop @b |
||
7733 | dunkaist | 360 | |
361 | inc [ioapic_cur] |
||
362 | inc edx |
||
363 | cmp edx, [ioapic_cnt] |
||
364 | jnz .next_ioapic |
||
365 | .done: |
||
2288 | clevermous | 366 | ret |
367 | |||
368 | ; ----------------------------------------- |
||
369 | ; End Of Interrupt |
||
370 | ; cl - IRQ number |
||
371 | align 4 |
||
372 | irq_eoi: ; __fastcall |
||
373 | cmp [irq_mode], IRQ_APIC |
||
374 | je .APIC |
||
375 | |||
376 | cmp cl, 8 |
||
377 | mov al, 0x20 |
||
378 | jb @f |
||
379 | out 0xa0, al |
||
380 | @@: |
||
381 | out 0x20, al |
||
382 | ret |
||
383 | |||
384 | .APIC: |
||
385 | mov eax, [LAPIC_BASE] |
||
386 | mov dword [eax + APIC_EOI], 0; EOI |
||
387 | ret |
||
388 | |||
389 | ; ----------------------------------------- |
||
390 | ; from dll.inc |
||
391 | align 4 |
||
392 | proc enable_irq stdcall, irq_line:dword |
||
393 | mov ebx, [irq_line] |
||
394 | cmp [irq_mode], IRQ_APIC |
||
395 | je .APIC |
||
396 | |||
397 | mov edx, 0x21 |
||
398 | cmp ebx, 8 |
||
399 | jb @F |
||
400 | |||
401 | mov edx, 0xA1 |
||
402 | sub ebx, 8 |
||
403 | @@: |
||
404 | in al, dx |
||
405 | btr eax, ebx |
||
406 | out dx, al |
||
407 | ret |
||
408 | .APIC: |
||
7733 | dunkaist | 409 | push [ioapic_cur] |
410 | xor eax, eax |
||
411 | .next_ioapic: |
||
412 | mov ecx, [ioapic_gsi_base+eax*4] |
||
413 | add ecx, [IRQ_COUNT+eax*4] |
||
414 | cmp ebx, ecx |
||
415 | jb .found |
||
416 | inc eax |
||
417 | cmp eax, [ioapic_cnt] |
||
418 | jnz .next_ioapic |
||
419 | jmp .done |
||
420 | .found: |
||
421 | mov [ioapic_cur], eax |
||
422 | sub ebx, [ioapic_gsi_base+eax*4] |
||
2288 | clevermous | 423 | shl ebx, 1 |
424 | add ebx, 0x10 |
||
425 | mov eax, ebx |
||
426 | call IOAPIC_read |
||
427 | and eax, 0xfffeffff; bit 16 |
||
428 | xchg eax, ebx |
||
429 | call IOAPIC_write |
||
7733 | dunkaist | 430 | .done: |
431 | pop [ioapic_cur] |
||
2288 | clevermous | 432 | ret |
433 | endp |
||
434 | |||
3320 | clevermous | 435 | proc disable_irq stdcall, irq_line:dword |
436 | mov ebx, [irq_line] |
||
437 | cmp [irq_mode], IRQ_APIC |
||
438 | je .APIC |
||
439 | |||
440 | mov edx, 0x21 |
||
441 | cmp ebx, 8 |
||
442 | jb @F |
||
443 | |||
444 | mov edx, 0xA1 |
||
445 | sub ebx, 8 |
||
446 | @@: |
||
447 | in al, dx |
||
448 | bts eax, ebx |
||
449 | out dx, al |
||
450 | ret |
||
451 | .APIC: |
||
7733 | dunkaist | 452 | push [ioapic_cur] |
453 | xor eax, eax |
||
454 | .next_ioapic: |
||
9715 | Doczom | 455 | mov ecx, [ioapic_gsi_base + eax*4] |
456 | add ecx, [IRQ_COUNT + eax*4] |
||
7733 | dunkaist | 457 | cmp ebx, ecx |
458 | jae .found |
||
459 | inc eax |
||
460 | cmp eax, [ioapic_cnt] |
||
461 | jnz .next_ioapic |
||
462 | jmp .done |
||
463 | .found: |
||
464 | mov [ioapic_cur], eax |
||
465 | sub ebx, [ioapic_gsi_base+eax*4] |
||
3320 | clevermous | 466 | shl ebx, 1 |
467 | add ebx, 0x10 |
||
468 | mov eax, ebx |
||
469 | call IOAPIC_read |
||
470 | or eax, 0x10000; bit 16 |
||
471 | xchg eax, ebx |
||
472 | call IOAPIC_write |
||
7733 | dunkaist | 473 | .done: |
474 | pop [ioapic_cur] |
||
3320 | clevermous | 475 | ret |
476 | endp |
||
477 | |||
2288 | clevermous | 478 | align 4 |
479 | pci_irq_fixup: |
||
480 | |||
481 | push ebp |
||
482 | |||
483 | mov esi, [acpi_dev_data] |
||
484 | mov ebx, [acpi_dev_size] |
||
485 | |||
9715 | Doczom | 486 | lea edi, [esi + ebx] |
2288 | clevermous | 487 | |
488 | .iterate: |
||
489 | |||
490 | cmp esi, edi |
||
491 | jae .done |
||
492 | |||
493 | mov eax, [esi] |
||
494 | |||
495 | cmp eax, -1 |
||
496 | je .done |
||
497 | |||
498 | movzx ebx, al |
||
499 | movzx ebp, ah |
||
500 | |||
501 | stdcall pci_read32, ebp, ebx, 0 |
||
502 | |||
503 | cmp eax, [esi+4] |
||
504 | jne .skip |
||
505 | |||
506 | mov eax, [esi+8] |
||
507 | stdcall pci_write8, ebp, ebx, 0x3C, eax |
||
508 | .skip: |
||
509 | add esi, 16 |
||
510 | jmp .iterate |
||
511 | |||
512 | .done: |
||
513 | .fail: |
||
514 | pop ebp |
||
515 | ret |
||
516 | |||
5787 | serge | 517 | align 4 |
518 | get_clock_ns: |
||
2288 | clevermous | 519 | |
5787 | serge | 520 | mov eax, [hpet_base] |
521 | test eax, eax |
||
522 | jz .old_tics |
||
2288 | clevermous | 523 | |
5787 | serge | 524 | push ebx |
5791 | serge | 525 | push esi |
5787 | serge | 526 | pushfd |
527 | cli |
||
2288 | clevermous | 528 | |
5787 | serge | 529 | mov ebx, eax |
530 | @@: |
||
531 | mov edx, [ebx+0xF4] |
||
532 | mov eax, [ebx+0xF0] |
||
533 | mov ecx, [ebx+0xF4] |
||
534 | cmp ecx, edx |
||
5791 | serge | 535 | jne @B |
6941 | serge | 536 | popfd |
2288 | clevermous | 537 | |
6942 | serge | 538 | ;96-bit arithmetic |
539 | ;ebx - low dword |
||
540 | ;esi - medium dword |
||
541 | ;edx - high dword |
||
542 | |||
5791 | serge | 543 | mul [hpet_period] |
544 | mov ebx, eax |
||
545 | mov esi, edx |
||
546 | |||
547 | mov eax, ecx |
||
548 | mul [hpet_period] |
||
6942 | serge | 549 | add esi, eax |
550 | adc edx, 0 |
||
6941 | serge | 551 | mov eax, ebx |
6942 | serge | 552 | mov ebx, esi |
553 | shrd eax, ebx, 10 |
||
554 | shrd esi, edx, 10 |
||
555 | mov edx, esi |
||
5791 | serge | 556 | |
557 | pop esi |
||
5787 | serge | 558 | pop ebx |
559 | ret |
||
560 | |||
561 | .old_tics: |
||
562 | mov eax, [timer_ticks] |
||
563 | mov edx, 10000000 |
||
564 | mul edx |
||
565 | ret |