1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 * (C) Copyright 2008-2011 4 * Graeme Russ, <graeme.russ@gmail.com> 5 * 6 * (C) Copyright 2002 7 * Daniel Engstr��m, Omicron Ceti AB, <daniel@omicron.se> 8 * 9 * Portions of this file are derived from the Linux kernel source 10 * Copyright (C) 1991, 1992 Linus Torvalds 11 */ 12 13#include <common.h> 14#include <dm.h> 15#include <efi_loader.h> 16#include <hang.h> 17#include <init.h> 18#include <irq.h> 19#include <irq_func.h> 20#include <asm/control_regs.h> 21#include <asm/global_data.h> 22#include <asm/i8259.h> 23#include <asm/interrupt.h> 24#include <asm/io.h> 25#include <asm/lapic.h> 26#include <asm/processor-flags.h> 27#include <asm/ptrace.h> 28 29DECLARE_GLOBAL_DATA_PTR; 30 31#define DECLARE_INTERRUPT(x) \ 32 ".globl irq_"#x"\n" \ 33 ".hidden irq_"#x"\n" \ 34 ".type irq_"#x", @function\n" \ 35 "irq_"#x":\n" \ 36 "pushl $"#x"\n" \ 37 "jmp.d32 irq_common_entry\n" 38 39static char *exceptions[] = { 40 "Divide Error", 41 "Debug", 42 "NMI Interrupt", 43 "Breakpoint", 44 "Overflow", 45 "BOUND Range Exceeded", 46 "Invalid Opcode (Undefined Opcode)", 47 "Device Not Available (No Math Coprocessor)", 48 "Double Fault", 49 "Coprocessor Segment Overrun", 50 "Invalid TSS", 51 "Segment Not Present", 52 "Stack Segment Fault", 53 "General Protection", 54 "Page Fault", 55 "Reserved", 56 "x87 FPU Floating-Point Error", 57 "Alignment Check", 58 "Machine Check", 59 "SIMD Floating-Point Exception", 60 "Virtualization Exception", 61 "Reserved", 62 "Reserved", 63 "Reserved", 64 "Reserved", 65 "Reserved", 66 "Reserved", 67 "Reserved", 68 "Reserved", 69 "Reserved", 70 "Reserved", 71 "Reserved" 72}; 73 74/** 75 * show_efi_loaded_images() - show loaded UEFI images 76 * 77 * List all loaded UEFI images. 78 * 79 * @eip: instruction pointer 80 */ 81static void show_efi_loaded_images(uintptr_t eip) 82{ 83 efi_print_image_infos((void *)eip); 84} 85 86static void dump_regs(struct irq_regs *regs) 87{ 88 unsigned long cs, eip, eflags; 89 unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L; 90 unsigned long d0, d1, d2, d3, d6, d7; 91 unsigned long sp; 92 93 /* 94 * Some exceptions cause an error code to be saved on the current stack 95 * after the EIP value. We should extract CS/EIP/EFLAGS from different 96 * position on the stack based on the exception number. 97 */ 98 switch (regs->irq_id) { 99 case EXC_DF: 100 case EXC_TS: 101 case EXC_NP: 102 case EXC_SS: 103 case EXC_GP: 104 case EXC_PF: 105 case EXC_AC: 106 cs = regs->context.ctx2.xcs; 107 eip = regs->context.ctx2.eip; 108 eflags = regs->context.ctx2.eflags; 109 /* We should fix up the ESP due to error code */ 110 regs->esp += 4; 111 break; 112 default: 113 cs = regs->context.ctx1.xcs; 114 eip = regs->context.ctx1.eip; 115 eflags = regs->context.ctx1.eflags; 116 break; 117 } 118 119 printf("EIP: %04x:[<%08lx>] EFLAGS: %08lx\n", 120 (u16)cs, eip, eflags); 121 if (gd->flags & GD_FLG_RELOC) 122 printf("Original EIP :[<%08lx>]\n", eip - gd->reloc_off); 123 124 printf("EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n", 125 regs->eax, regs->ebx, regs->ecx, regs->edx); 126 printf("ESI: %08lx EDI: %08lx EBP: %08lx ESP: %08lx\n", 127 regs->esi, regs->edi, regs->ebp, regs->esp); 128 printf(" DS: %04x ES: %04x FS: %04x GS: %04x SS: %04x\n", 129 (u16)regs->xds, (u16)regs->xes, (u16)regs->xfs, 130 (u16)regs->xgs, (u16)regs->xss); 131 132 cr0 = read_cr0(); 133 cr2 = read_cr2(); 134 cr3 = read_cr3(); 135 cr4 = read_cr4(); 136 137 printf("CR0: %08lx CR2: %08lx CR3: %08lx CR4: %08lx\n", 138 cr0, cr2, cr3, cr4); 139 140 d0 = get_debugreg(0); 141 d1 = get_debugreg(1); 142 d2 = get_debugreg(2); 143 d3 = get_debugreg(3); 144 145 printf("DR0: %08lx DR1: %08lx DR2: %08lx DR3: %08lx\n", 146 d0, d1, d2, d3); 147 148 d6 = get_debugreg(6); 149 d7 = get_debugreg(7); 150 printf("DR6: %08lx DR7: %08lx\n", 151 d6, d7); 152 153 printf("Stack:\n"); 154 sp = regs->esp; 155 156 sp += 64; 157 158 while (sp > (regs->esp - 16)) { 159 if (sp == regs->esp) 160 printf("--->"); 161 else 162 printf(" "); 163 printf("0x%8.8lx : 0x%8.8lx\n", sp, (ulong)readl(sp)); 164 sp -= 4; 165 } 166 show_efi_loaded_images(eip); 167} 168 169static void do_exception(struct irq_regs *regs) 170{ 171 printf("%s\n", exceptions[regs->irq_id]); 172 dump_regs(regs); 173 hang(); 174} 175 176struct idt_entry { 177 u16 base_low; 178 u16 selector; 179 u8 res; 180 u8 access; 181 u16 base_high; 182} __packed; 183 184struct idt_entry idt[256] __aligned(16); 185 186struct idt_ptr idt_ptr; 187 188static inline void load_idt(const struct idt_ptr *dtr) 189{ 190 asm volatile("cs lidt %0" : : "m" (*dtr)); 191} 192 193void set_vector(u8 intnum, void *routine) 194{ 195 idt[intnum].base_high = (u16)((ulong)(routine) >> 16); 196 idt[intnum].base_low = (u16)((ulong)(routine) & 0xffff); 197} 198 199/* 200 * Ideally these would be defined static to avoid a checkpatch warning, but 201 * the compiler cannot see them in the inline asm and complains that they 202 * aren't defined 203 */ 204void irq_0(void); 205void irq_1(void); 206 207int cpu_init_interrupts(void) 208{ 209 int i; 210 211 int irq_entry_size = irq_1 - irq_0; 212 void *irq_entry = (void *)irq_0; 213 214 /* Setup the IDT */ 215 for (i = 0; i < 256; i++) { 216 idt[i].access = 0x8e; 217 idt[i].res = 0; 218 idt[i].selector = X86_GDT_ENTRY_32BIT_CS * X86_GDT_ENTRY_SIZE; 219 set_vector(i, irq_entry); 220 irq_entry += irq_entry_size; 221 } 222 223 idt_ptr.size = 256 * 8 - 1; 224 idt_ptr.address = (unsigned long) idt; 225 226 load_idt(&idt_ptr); 227 228 return 0; 229} 230 231void interrupt_read_idt(struct idt_ptr *ptr) 232{ 233 asm volatile("sidt %0" : : "m" (*ptr)); 234} 235 236void *x86_get_idt(void) 237{ 238 return &idt_ptr; 239} 240 241void __do_irq(int irq) 242{ 243 printf("Unhandled IRQ : %d\n", irq); 244} 245void do_irq(int irq) __attribute__((weak, alias("__do_irq"))); 246 247void enable_interrupts(void) 248{ 249 asm("sti\n"); 250} 251 252int disable_interrupts(void) 253{ 254 long flags; 255 256#if CONFIG_IS_ENABLED(X86_64) 257 asm volatile ("pushfq ; popq %0 ; cli\n" : "=g" (flags) : ); 258#else 259 asm volatile ("pushfl ; popl %0 ; cli\n" : "=g" (flags) : ); 260#endif 261 return flags & X86_EFLAGS_IF; 262} 263 264int interrupt_init(void) 265{ 266 struct udevice *dev; 267 int ret; 268 269 /* 270 * When running as an EFI application we are not in control of 271 * interrupts and should leave them alone. 272 */ 273 if (!ll_boot_init()) 274 return 0; 275 276 /* Try to set up the interrupt router, but don't require one */ 277 ret = irq_first_device_type(X86_IRQT_BASE, &dev); 278 if (ret && ret != -ENODEV) 279 return ret; 280 281 /* Just in case... */ 282 disable_interrupts(); 283 284#ifdef CONFIG_I8259_PIC 285 /* Initialize the master/slave i8259 pic */ 286 i8259_init(); 287#endif 288 289#ifdef CONFIG_APIC 290 lapic_setup(); 291#endif 292 293 /* Initialize core interrupt and exception functionality of CPU */ 294 cpu_init_interrupts(); 295 296 /* It is now safe to enable interrupts */ 297 enable_interrupts(); 298 299 return 0; 300} 301 302/* IRQ Low-Level Service Routine */ 303void irq_llsr(struct irq_regs *regs) 304{ 305 /* 306 * For detailed description of each exception, refer to: 307 * Intel�� 64 and IA-32 Architectures Software Developer's Manual 308 * Volume 1: Basic Architecture 309 * Order Number: 253665-029US, November 2008 310 * Table 6-1. Exceptions and Interrupts 311 */ 312 if (regs->irq_id < 32) { 313 /* Architecture defined exception */ 314 do_exception(regs); 315 } else { 316 /* Hardware or User IRQ */ 317 do_irq(regs->irq_id); 318 } 319} 320 321/* 322 * OK - This looks really horrible, but it serves a purpose - It helps create 323 * fully relocatable code. 324 * - The call to irq_llsr will be a relative jump 325 * - The IRQ entries will be guaranteed to be in order 326 * Interrupt entries are now very small (a push and a jump) but they are 327 * now slower (all registers pushed on stack which provides complete 328 * crash dumps in the low level handlers 329 * 330 * Interrupt Entry Point: 331 * - Interrupt has caused eflags, CS and EIP to be pushed 332 * - Interrupt Vector Handler has pushed orig_eax 333 * - pt_regs.esp needs to be adjusted by 40 bytes: 334 * 12 bytes pushed by CPU (EFLAGSF, CS, EIP) 335 * 4 bytes pushed by vector handler (irq_id) 336 * 24 bytes pushed before SP (SS, GS, FS, ES, DS, EAX) 337 * NOTE: Only longs are pushed on/popped off the stack! 338 */ 339asm(".globl irq_common_entry\n" \ 340 ".hidden irq_common_entry\n" \ 341 ".type irq_common_entry, @function\n" \ 342 "irq_common_entry:\n" \ 343 "cld\n" \ 344 "pushl %ss\n" \ 345 "pushl %gs\n" \ 346 "pushl %fs\n" \ 347 "pushl %es\n" \ 348 "pushl %ds\n" \ 349 "pushl %eax\n" \ 350 "movl %esp, %eax\n" \ 351 "addl $40, %eax\n" \ 352 "pushl %eax\n" \ 353 "pushl %ebp\n" \ 354 "pushl %edi\n" \ 355 "pushl %esi\n" \ 356 "pushl %edx\n" \ 357 "pushl %ecx\n" \ 358 "pushl %ebx\n" \ 359 "mov %esp, %eax\n" \ 360 "call irq_llsr\n" \ 361 "popl %ebx\n" \ 362 "popl %ecx\n" \ 363 "popl %edx\n" \ 364 "popl %esi\n" \ 365 "popl %edi\n" \ 366 "popl %ebp\n" \ 367 "popl %eax\n" \ 368 "popl %eax\n" \ 369 "popl %ds\n" \ 370 "popl %es\n" \ 371 "popl %fs\n" \ 372 "popl %gs\n" \ 373 "popl %ss\n" \ 374 "add $4, %esp\n" \ 375 "iret\n" \ 376 DECLARE_INTERRUPT(0) \ 377 DECLARE_INTERRUPT(1) \ 378 DECLARE_INTERRUPT(2) \ 379 DECLARE_INTERRUPT(3) \ 380 DECLARE_INTERRUPT(4) \ 381 DECLARE_INTERRUPT(5) \ 382 DECLARE_INTERRUPT(6) \ 383 DECLARE_INTERRUPT(7) \ 384 DECLARE_INTERRUPT(8) \ 385 DECLARE_INTERRUPT(9) \ 386 DECLARE_INTERRUPT(10) \ 387 DECLARE_INTERRUPT(11) \ 388 DECLARE_INTERRUPT(12) \ 389 DECLARE_INTERRUPT(13) \ 390 DECLARE_INTERRUPT(14) \ 391 DECLARE_INTERRUPT(15) \ 392 DECLARE_INTERRUPT(16) \ 393 DECLARE_INTERRUPT(17) \ 394 DECLARE_INTERRUPT(18) \ 395 DECLARE_INTERRUPT(19) \ 396 DECLARE_INTERRUPT(20) \ 397 DECLARE_INTERRUPT(21) \ 398 DECLARE_INTERRUPT(22) \ 399 DECLARE_INTERRUPT(23) \ 400 DECLARE_INTERRUPT(24) \ 401 DECLARE_INTERRUPT(25) \ 402 DECLARE_INTERRUPT(26) \ 403 DECLARE_INTERRUPT(27) \ 404 DECLARE_INTERRUPT(28) \ 405 DECLARE_INTERRUPT(29) \ 406 DECLARE_INTERRUPT(30) \ 407 DECLARE_INTERRUPT(31) \ 408 DECLARE_INTERRUPT(32) \ 409 DECLARE_INTERRUPT(33) \ 410 DECLARE_INTERRUPT(34) \ 411 DECLARE_INTERRUPT(35) \ 412 DECLARE_INTERRUPT(36) \ 413 DECLARE_INTERRUPT(37) \ 414 DECLARE_INTERRUPT(38) \ 415 DECLARE_INTERRUPT(39) \ 416 DECLARE_INTERRUPT(40) \ 417 DECLARE_INTERRUPT(41) \ 418 DECLARE_INTERRUPT(42) \ 419 DECLARE_INTERRUPT(43) \ 420 DECLARE_INTERRUPT(44) \ 421 DECLARE_INTERRUPT(45) \ 422 DECLARE_INTERRUPT(46) \ 423 DECLARE_INTERRUPT(47) \ 424 DECLARE_INTERRUPT(48) \ 425 DECLARE_INTERRUPT(49) \ 426 DECLARE_INTERRUPT(50) \ 427 DECLARE_INTERRUPT(51) \ 428 DECLARE_INTERRUPT(52) \ 429 DECLARE_INTERRUPT(53) \ 430 DECLARE_INTERRUPT(54) \ 431 DECLARE_INTERRUPT(55) \ 432 DECLARE_INTERRUPT(56) \ 433 DECLARE_INTERRUPT(57) \ 434 DECLARE_INTERRUPT(58) \ 435 DECLARE_INTERRUPT(59) \ 436 DECLARE_INTERRUPT(60) \ 437 DECLARE_INTERRUPT(61) \ 438 DECLARE_INTERRUPT(62) \ 439 DECLARE_INTERRUPT(63) \ 440 DECLARE_INTERRUPT(64) \ 441 DECLARE_INTERRUPT(65) \ 442 DECLARE_INTERRUPT(66) \ 443 DECLARE_INTERRUPT(67) \ 444 DECLARE_INTERRUPT(68) \ 445 DECLARE_INTERRUPT(69) \ 446 DECLARE_INTERRUPT(70) \ 447 DECLARE_INTERRUPT(71) \ 448 DECLARE_INTERRUPT(72) \ 449 DECLARE_INTERRUPT(73) \ 450 DECLARE_INTERRUPT(74) \ 451 DECLARE_INTERRUPT(75) \ 452 DECLARE_INTERRUPT(76) \ 453 DECLARE_INTERRUPT(77) \ 454 DECLARE_INTERRUPT(78) \ 455 DECLARE_INTERRUPT(79) \ 456 DECLARE_INTERRUPT(80) \ 457 DECLARE_INTERRUPT(81) \ 458 DECLARE_INTERRUPT(82) \ 459 DECLARE_INTERRUPT(83) \ 460 DECLARE_INTERRUPT(84) \ 461 DECLARE_INTERRUPT(85) \ 462 DECLARE_INTERRUPT(86) \ 463 DECLARE_INTERRUPT(87) \ 464 DECLARE_INTERRUPT(88) \ 465 DECLARE_INTERRUPT(89) \ 466 DECLARE_INTERRUPT(90) \ 467 DECLARE_INTERRUPT(91) \ 468 DECLARE_INTERRUPT(92) \ 469 DECLARE_INTERRUPT(93) \ 470 DECLARE_INTERRUPT(94) \ 471 DECLARE_INTERRUPT(95) \ 472 DECLARE_INTERRUPT(97) \ 473 DECLARE_INTERRUPT(96) \ 474 DECLARE_INTERRUPT(98) \ 475 DECLARE_INTERRUPT(99) \ 476 DECLARE_INTERRUPT(100) \ 477 DECLARE_INTERRUPT(101) \ 478 DECLARE_INTERRUPT(102) \ 479 DECLARE_INTERRUPT(103) \ 480 DECLARE_INTERRUPT(104) \ 481 DECLARE_INTERRUPT(105) \ 482 DECLARE_INTERRUPT(106) \ 483 DECLARE_INTERRUPT(107) \ 484 DECLARE_INTERRUPT(108) \ 485 DECLARE_INTERRUPT(109) \ 486 DECLARE_INTERRUPT(110) \ 487 DECLARE_INTERRUPT(111) \ 488 DECLARE_INTERRUPT(112) \ 489 DECLARE_INTERRUPT(113) \ 490 DECLARE_INTERRUPT(114) \ 491 DECLARE_INTERRUPT(115) \ 492 DECLARE_INTERRUPT(116) \ 493 DECLARE_INTERRUPT(117) \ 494 DECLARE_INTERRUPT(118) \ 495 DECLARE_INTERRUPT(119) \ 496 DECLARE_INTERRUPT(120) \ 497 DECLARE_INTERRUPT(121) \ 498 DECLARE_INTERRUPT(122) \ 499 DECLARE_INTERRUPT(123) \ 500 DECLARE_INTERRUPT(124) \ 501 DECLARE_INTERRUPT(125) \ 502 DECLARE_INTERRUPT(126) \ 503 DECLARE_INTERRUPT(127) \ 504 DECLARE_INTERRUPT(128) \ 505 DECLARE_INTERRUPT(129) \ 506 DECLARE_INTERRUPT(130) \ 507 DECLARE_INTERRUPT(131) \ 508 DECLARE_INTERRUPT(132) \ 509 DECLARE_INTERRUPT(133) \ 510 DECLARE_INTERRUPT(134) \ 511 DECLARE_INTERRUPT(135) \ 512 DECLARE_INTERRUPT(136) \ 513 DECLARE_INTERRUPT(137) \ 514 DECLARE_INTERRUPT(138) \ 515 DECLARE_INTERRUPT(139) \ 516 DECLARE_INTERRUPT(140) \ 517 DECLARE_INTERRUPT(141) \ 518 DECLARE_INTERRUPT(142) \ 519 DECLARE_INTERRUPT(143) \ 520 DECLARE_INTERRUPT(144) \ 521 DECLARE_INTERRUPT(145) \ 522 DECLARE_INTERRUPT(146) \ 523 DECLARE_INTERRUPT(147) \ 524 DECLARE_INTERRUPT(148) \ 525 DECLARE_INTERRUPT(149) \ 526 DECLARE_INTERRUPT(150) \ 527 DECLARE_INTERRUPT(151) \ 528 DECLARE_INTERRUPT(152) \ 529 DECLARE_INTERRUPT(153) \ 530 DECLARE_INTERRUPT(154) \ 531 DECLARE_INTERRUPT(155) \ 532 DECLARE_INTERRUPT(156) \ 533 DECLARE_INTERRUPT(157) \ 534 DECLARE_INTERRUPT(158) \ 535 DECLARE_INTERRUPT(159) \ 536 DECLARE_INTERRUPT(160) \ 537 DECLARE_INTERRUPT(161) \ 538 DECLARE_INTERRUPT(162) \ 539 DECLARE_INTERRUPT(163) \ 540 DECLARE_INTERRUPT(164) \ 541 DECLARE_INTERRUPT(165) \ 542 DECLARE_INTERRUPT(166) \ 543 DECLARE_INTERRUPT(167) \ 544 DECLARE_INTERRUPT(168) \ 545 DECLARE_INTERRUPT(169) \ 546 DECLARE_INTERRUPT(170) \ 547 DECLARE_INTERRUPT(171) \ 548 DECLARE_INTERRUPT(172) \ 549 DECLARE_INTERRUPT(173) \ 550 DECLARE_INTERRUPT(174) \ 551 DECLARE_INTERRUPT(175) \ 552 DECLARE_INTERRUPT(176) \ 553 DECLARE_INTERRUPT(177) \ 554 DECLARE_INTERRUPT(178) \ 555 DECLARE_INTERRUPT(179) \ 556 DECLARE_INTERRUPT(180) \ 557 DECLARE_INTERRUPT(181) \ 558 DECLARE_INTERRUPT(182) \ 559 DECLARE_INTERRUPT(183) \ 560 DECLARE_INTERRUPT(184) \ 561 DECLARE_INTERRUPT(185) \ 562 DECLARE_INTERRUPT(186) \ 563 DECLARE_INTERRUPT(187) \ 564 DECLARE_INTERRUPT(188) \ 565 DECLARE_INTERRUPT(189) \ 566 DECLARE_INTERRUPT(190) \ 567 DECLARE_INTERRUPT(191) \ 568 DECLARE_INTERRUPT(192) \ 569 DECLARE_INTERRUPT(193) \ 570 DECLARE_INTERRUPT(194) \ 571 DECLARE_INTERRUPT(195) \ 572 DECLARE_INTERRUPT(196) \ 573 DECLARE_INTERRUPT(197) \ 574 DECLARE_INTERRUPT(198) \ 575 DECLARE_INTERRUPT(199) \ 576 DECLARE_INTERRUPT(200) \ 577 DECLARE_INTERRUPT(201) \ 578 DECLARE_INTERRUPT(202) \ 579 DECLARE_INTERRUPT(203) \ 580 DECLARE_INTERRUPT(204) \ 581 DECLARE_INTERRUPT(205) \ 582 DECLARE_INTERRUPT(206) \ 583 DECLARE_INTERRUPT(207) \ 584 DECLARE_INTERRUPT(208) \ 585 DECLARE_INTERRUPT(209) \ 586 DECLARE_INTERRUPT(210) \ 587 DECLARE_INTERRUPT(211) \ 588 DECLARE_INTERRUPT(212) \ 589 DECLARE_INTERRUPT(213) \ 590 DECLARE_INTERRUPT(214) \ 591 DECLARE_INTERRUPT(215) \ 592 DECLARE_INTERRUPT(216) \ 593 DECLARE_INTERRUPT(217) \ 594 DECLARE_INTERRUPT(218) \ 595 DECLARE_INTERRUPT(219) \ 596 DECLARE_INTERRUPT(220) \ 597 DECLARE_INTERRUPT(221) \ 598 DECLARE_INTERRUPT(222) \ 599 DECLARE_INTERRUPT(223) \ 600 DECLARE_INTERRUPT(224) \ 601 DECLARE_INTERRUPT(225) \ 602 DECLARE_INTERRUPT(226) \ 603 DECLARE_INTERRUPT(227) \ 604 DECLARE_INTERRUPT(228) \ 605 DECLARE_INTERRUPT(229) \ 606 DECLARE_INTERRUPT(230) \ 607 DECLARE_INTERRUPT(231) \ 608 DECLARE_INTERRUPT(232) \ 609 DECLARE_INTERRUPT(233) \ 610 DECLARE_INTERRUPT(234) \ 611 DECLARE_INTERRUPT(235) \ 612 DECLARE_INTERRUPT(236) \ 613 DECLARE_INTERRUPT(237) \ 614 DECLARE_INTERRUPT(238) \ 615 DECLARE_INTERRUPT(239) \ 616 DECLARE_INTERRUPT(240) \ 617 DECLARE_INTERRUPT(241) \ 618 DECLARE_INTERRUPT(242) \ 619 DECLARE_INTERRUPT(243) \ 620 DECLARE_INTERRUPT(244) \ 621 DECLARE_INTERRUPT(245) \ 622 DECLARE_INTERRUPT(246) \ 623 DECLARE_INTERRUPT(247) \ 624 DECLARE_INTERRUPT(248) \ 625 DECLARE_INTERRUPT(249) \ 626 DECLARE_INTERRUPT(250) \ 627 DECLARE_INTERRUPT(251) \ 628 DECLARE_INTERRUPT(252) \ 629 DECLARE_INTERRUPT(253) \ 630 DECLARE_INTERRUPT(254) \ 631 DECLARE_INTERRUPT(255)); 632