kernel/arch/i386/apic_asm.S

   1 #include "archconst.h"
   2 #include "apic.h"
   3 #include "sconst.h"
   4 #include "apic_asm.h"
   5
   6 .globl  _apic_hwint00   /*  handlers for hardware interrupts */
   7 .globl  _apic_hwint01
   8 .globl  _apic_hwint02
   9 .globl  _apic_hwint03
  10 .globl  _apic_hwint04
  11 .globl  _apic_hwint05
  12 .globl  _apic_hwint06
  13 .globl  _apic_hwint07
  14 .globl  _apic_hwint08
  15 .globl  _apic_hwint09
  16 .globl  _apic_hwint10
  17 .globl  _apic_hwint11
  18 .globl  _apic_hwint12
  19 .globl  _apic_hwint13
  20 .globl  _apic_hwint14
  21 .globl  _apic_hwint15
  22
  23 .text
  24 #define APIC_IRQ_HANDLER(irq)   \
  25         push    $irq                                                            ;\
  26         call    _irq_handle             /* intr_handle(irq_handlers[irq]) */    ;\
  27         add     $4, %esp                                                        ;\
  28         mov     _lapic_eoi_addr, %eax                                           ;\
  29         movl    $0, (%eax)                                                      ;\
  30
  31 /*===========================================================================*/
  32 /*                              interrupt handlers                           */
  33 /*              interrupt handlers for 386 32-bit protected mode             */
  34 /*              APIC interrupt handlers for 386 32-bit protected mode        */
  35 /*===========================================================================*/
  36 #define apic_hwint(irq) \
  37         TEST_INT_IN_KERNEL(4, 0f)                                       ;\
  38                                                                         \
  39         SAVE_PROCESS_CTX(0)                                             ;\
  40         push    %ebp                                                    ;\
  41         call    _context_stop                                           ;\
  42         add     $4, %esp                                                ;\
  43         movl    $0, %ebp        /* for stack trace */                   ;\
  44         APIC_IRQ_HANDLER(irq)                                           ;\
  45         jmp     _switch_to_user                                         ;\
  46                                                                         \
  47 0:                                                                      \
  48         pusha                                                           ;\
  49         call    _context_stop_idle                                      ;\
  50         APIC_IRQ_HANDLER(irq)                                           ;\
  51         CLEAR_IF(10*4(%esp))                                            ;\
  52         popa                                                            ;\
  53         iret                                                            ;
  54
  55 /*  Each of these entry points is an expansion of the hwint_master macro */
  56 .balign 16
  57 _apic_hwint00:
  58 /*  Interrupt routine for irq 0 (the clock). */
  59         apic_hwint(0)
  60
  61 .balign 16
  62 _apic_hwint01:
  63 /*  Interrupt routine for irq 1 (keyboard) */
  64         apic_hwint(1)
  65
  66 .balign 16
  67 _apic_hwint02:
  68 /*  Interrupt routine for irq 2 (cascade!) */
  69         apic_hwint(2)
  70
  71 .balign 16
  72 _apic_hwint03:
  73 /*  Interrupt routine for irq 3 (second serial) */
  74         apic_hwint(3)
  75
  76 .balign 16
  77 _apic_hwint04:
  78 /*  Interrupt routine for irq 4 (first serial) */
  79         apic_hwint(4)
  80
  81 .balign 16
  82 _apic_hwint05:
  83 /*  Interrupt routine for irq 5 (XT winchester) */
  84         apic_hwint(5)
  85
  86 .balign 16
  87 _apic_hwint06:
  88 /*  Interrupt routine for irq 6 (floppy) */
  89         apic_hwint(6)
  90
  91 .balign 16
  92 _apic_hwint07:
  93 /*  Interrupt routine for irq 7 (printer) */
  94         apic_hwint(7)
  95
  96 .balign 16
  97 _apic_hwint08:
  98 /*  Interrupt routine for irq 8 (realtime clock) */
  99         apic_hwint(8)
 100
 101 .balign 16
 102 _apic_hwint09:
 103 /*  Interrupt routine for irq 9 (irq 2 redirected) */
 104         apic_hwint(9)
 105
 106 .balign 16
 107 _apic_hwint10:
 108 /*  Interrupt routine for irq 10 */
 109         apic_hwint(10)
 110
 111 .balign 16
 112 _apic_hwint11:
 113 /*  Interrupt routine for irq 11 */
 114         apic_hwint(11)
 115
 116 .balign 16
 117 _apic_hwint12:
 118 /*  Interrupt routine for irq 12 */
 119         apic_hwint(12)
 120
 121 .balign 16
 122 _apic_hwint13:
 123 /*  Interrupt routine for irq 13 (FPU exception) */
 124         apic_hwint(13)
 125
 126 .balign 16
 127 _apic_hwint14:
 128 /*  Interrupt routine for irq 14 (AT winchester) */
 129         apic_hwint(14)
 130
 131 .balign 16
 132 _apic_hwint15:
 133 /*  Interrupt routine for irq 15 */
 134         apic_hwint(15)
 135
 136
 137 #define LAPIC_INTR_HANDLER(func)        \
 138         movl    $func, %eax                                             ;\
 139         call    *%eax           /* call the actual handler */           ;\
 140         mov     _lapic_eoi_addr, %eax   /* the end of handler*/         ;\
 141         movl    $0, (%eax)                                              ;
 142
 143 /*===========================================================================*/
 144 /*                      handler of the local APIC interrupts                 */
 145 /*===========================================================================*/
 146
 147 #define lapic_intr(func) \
 148         TEST_INT_IN_KERNEL(4, 0f)                                       ;\
 149                                                                         \
 150         SAVE_PROCESS_CTX(0)                                             ;\
 151         push    %ebp                                                    ;\
 152         call    _context_stop                                           ;\
 153         add     $4, %esp                                                ;\
 154         movl    $0, %ebp                /* for stack trace */           ;\
 155         LAPIC_INTR_HANDLER(func)                                        ;\
 156         jmp     _switch_to_user                                         ;\
 157         \
 158 0:      \
 159         pusha                                                           ;\
 160         call    _context_stop_idle                                      ;\
 161         LAPIC_INTR_HANDLER(func)                                        ;\
 162         CLEAR_IF(10*4(%esp))                                            ;\
 163         popa                                                            ;\
 164         iret                                                            ;
 165
 166 /* apic timer tick handlers */
 167 .globl _lapic_bsp_timer_int_handler
 168 _lapic_bsp_timer_int_handler:
 169         lapic_intr(_bsp_timer_int_handler)
 170
 171 .globl _lapic_ap_timer_int_handler
 172 _lapic_ap_timer_int_handler:
 173         lapic_intr(_ap_timer_int_handler)
 174
 175 #ifdef CONFIG_APIC_DEBUG
 176
 177 .data
 178 lapic_intr_dummy_handler_msg:
 179 .ascii "UNHABLED APIC interrupt vector %d\n"
 180
 181 .text
 182
 183 #define lapic_intr_dummy_handler(vect)                  \
 184         pushl   $vect;                                  \
 185         push    $lapic_intr_dummy_handler_msg;          \
 186         call    _printf;                                \
 187 1:      jmp     1b; /* never return */
 188
 189 #define LAPIC_INTR_DUMMY_HANDLER(vect)                  \
 190         .balign LAPIC_INTR_DUMMY_HANDLER_SIZE;          \
 191         lapic_intr_dummy_handler_##vect: lapic_intr_dummy_handler(vect)
 192
 193 .globl _lapic_intr_dummy_handles_start
 194 _lapic_intr_dummy_handles_start:
 195
 196 LAPIC_INTR_DUMMY_HANDLER(0)
 197 LAPIC_INTR_DUMMY_HANDLER(1)
 198 LAPIC_INTR_DUMMY_HANDLER(2)
 199 LAPIC_INTR_DUMMY_HANDLER(3)
 200 LAPIC_INTR_DUMMY_HANDLER(4)
 201 LAPIC_INTR_DUMMY_HANDLER(5)
 202 LAPIC_INTR_DUMMY_HANDLER(6)
 203 LAPIC_INTR_DUMMY_HANDLER(7)
 204 LAPIC_INTR_DUMMY_HANDLER(8)
 205 LAPIC_INTR_DUMMY_HANDLER(9)
 206 LAPIC_INTR_DUMMY_HANDLER(10)
 207 LAPIC_INTR_DUMMY_HANDLER(11)
 208 LAPIC_INTR_DUMMY_HANDLER(12)
 209 LAPIC_INTR_DUMMY_HANDLER(13)
 210 LAPIC_INTR_DUMMY_HANDLER(14)
 211 LAPIC_INTR_DUMMY_HANDLER(15)
 212 LAPIC_INTR_DUMMY_HANDLER(16)
 213 LAPIC_INTR_DUMMY_HANDLER(17)
 214 LAPIC_INTR_DUMMY_HANDLER(18)
 215 LAPIC_INTR_DUMMY_HANDLER(19)
 216 LAPIC_INTR_DUMMY_HANDLER(20)
 217 LAPIC_INTR_DUMMY_HANDLER(21)
 218 LAPIC_INTR_DUMMY_HANDLER(22)
 219 LAPIC_INTR_DUMMY_HANDLER(23)
 220 LAPIC_INTR_DUMMY_HANDLER(24)
 221 LAPIC_INTR_DUMMY_HANDLER(25)
 222 LAPIC_INTR_DUMMY_HANDLER(26)
 223 LAPIC_INTR_DUMMY_HANDLER(27)
 224 LAPIC_INTR_DUMMY_HANDLER(28)
 225 LAPIC_INTR_DUMMY_HANDLER(29)
 226 LAPIC_INTR_DUMMY_HANDLER(30)
 227 LAPIC_INTR_DUMMY_HANDLER(31)
 228 LAPIC_INTR_DUMMY_HANDLER(32)
 229 LAPIC_INTR_DUMMY_HANDLER(33)
 230 LAPIC_INTR_DUMMY_HANDLER(34)
 231 LAPIC_INTR_DUMMY_HANDLER(35)
 232 LAPIC_INTR_DUMMY_HANDLER(36)
 233 LAPIC_INTR_DUMMY_HANDLER(37)
 234 LAPIC_INTR_DUMMY_HANDLER(38)
 235 LAPIC_INTR_DUMMY_HANDLER(39)
 236 LAPIC_INTR_DUMMY_HANDLER(40)
 237 LAPIC_INTR_DUMMY_HANDLER(41)
 238 LAPIC_INTR_DUMMY_HANDLER(42)
 239 LAPIC_INTR_DUMMY_HANDLER(43)
 240 LAPIC_INTR_DUMMY_HANDLER(44)
 241 LAPIC_INTR_DUMMY_HANDLER(45)
 242 LAPIC_INTR_DUMMY_HANDLER(46)
 243 LAPIC_INTR_DUMMY_HANDLER(47)
 244 LAPIC_INTR_DUMMY_HANDLER(48)
 245 LAPIC_INTR_DUMMY_HANDLER(49)
 246 LAPIC_INTR_DUMMY_HANDLER(50)
 247 LAPIC_INTR_DUMMY_HANDLER(51)
 248 LAPIC_INTR_DUMMY_HANDLER(52)
 249 LAPIC_INTR_DUMMY_HANDLER(53)
 250 LAPIC_INTR_DUMMY_HANDLER(54)
 251 LAPIC_INTR_DUMMY_HANDLER(55)
 252 LAPIC_INTR_DUMMY_HANDLER(56)
 253 LAPIC_INTR_DUMMY_HANDLER(57)
 254 LAPIC_INTR_DUMMY_HANDLER(58)
 255 LAPIC_INTR_DUMMY_HANDLER(59)
 256 LAPIC_INTR_DUMMY_HANDLER(60)
 257 LAPIC_INTR_DUMMY_HANDLER(61)
 258 LAPIC_INTR_DUMMY_HANDLER(62)
 259 LAPIC_INTR_DUMMY_HANDLER(63)
 260 LAPIC_INTR_DUMMY_HANDLER(64)
 261 LAPIC_INTR_DUMMY_HANDLER(65)
 262 LAPIC_INTR_DUMMY_HANDLER(66)
 263 LAPIC_INTR_DUMMY_HANDLER(67)
 264 LAPIC_INTR_DUMMY_HANDLER(68)
 265 LAPIC_INTR_DUMMY_HANDLER(69)
 266 LAPIC_INTR_DUMMY_HANDLER(70)
 267 LAPIC_INTR_DUMMY_HANDLER(71)
 268 LAPIC_INTR_DUMMY_HANDLER(72)
 269 LAPIC_INTR_DUMMY_HANDLER(73)
 270 LAPIC_INTR_DUMMY_HANDLER(74)
 271 LAPIC_INTR_DUMMY_HANDLER(75)
 272 LAPIC_INTR_DUMMY_HANDLER(76)
 273 LAPIC_INTR_DUMMY_HANDLER(77)
 274 LAPIC_INTR_DUMMY_HANDLER(78)
 275 LAPIC_INTR_DUMMY_HANDLER(79)
 276 LAPIC_INTR_DUMMY_HANDLER(80)
 277 LAPIC_INTR_DUMMY_HANDLER(81)
 278 LAPIC_INTR_DUMMY_HANDLER(82)
 279 LAPIC_INTR_DUMMY_HANDLER(83)
 280 LAPIC_INTR_DUMMY_HANDLER(84)
 281 LAPIC_INTR_DUMMY_HANDLER(85)
 282 LAPIC_INTR_DUMMY_HANDLER(86)
 283 LAPIC_INTR_DUMMY_HANDLER(87)
 284 LAPIC_INTR_DUMMY_HANDLER(88)
 285 LAPIC_INTR_DUMMY_HANDLER(89)
 286 LAPIC_INTR_DUMMY_HANDLER(90)
 287 LAPIC_INTR_DUMMY_HANDLER(91)
 288 LAPIC_INTR_DUMMY_HANDLER(92)
 289 LAPIC_INTR_DUMMY_HANDLER(93)
 290 LAPIC_INTR_DUMMY_HANDLER(94)
 291 LAPIC_INTR_DUMMY_HANDLER(95)
 292 LAPIC_INTR_DUMMY_HANDLER(96)
 293 LAPIC_INTR_DUMMY_HANDLER(97)
 294 LAPIC_INTR_DUMMY_HANDLER(98)
 295 LAPIC_INTR_DUMMY_HANDLER(99)
 296 LAPIC_INTR_DUMMY_HANDLER(100)
 297 LAPIC_INTR_DUMMY_HANDLER(101)
 298 LAPIC_INTR_DUMMY_HANDLER(102)
 299 LAPIC_INTR_DUMMY_HANDLER(103)
 300 LAPIC_INTR_DUMMY_HANDLER(104)
 301 LAPIC_INTR_DUMMY_HANDLER(105)
 302 LAPIC_INTR_DUMMY_HANDLER(106)
 303 LAPIC_INTR_DUMMY_HANDLER(107)
 304 LAPIC_INTR_DUMMY_HANDLER(108)
 305 LAPIC_INTR_DUMMY_HANDLER(109)
 306 LAPIC_INTR_DUMMY_HANDLER(110)
 307 LAPIC_INTR_DUMMY_HANDLER(111)
 308 LAPIC_INTR_DUMMY_HANDLER(112)
 309 LAPIC_INTR_DUMMY_HANDLER(113)
 310 LAPIC_INTR_DUMMY_HANDLER(114)
 311 LAPIC_INTR_DUMMY_HANDLER(115)
 312 LAPIC_INTR_DUMMY_HANDLER(116)
 313 LAPIC_INTR_DUMMY_HANDLER(117)
 314 LAPIC_INTR_DUMMY_HANDLER(118)
 315 LAPIC_INTR_DUMMY_HANDLER(119)
 316 LAPIC_INTR_DUMMY_HANDLER(120)
 317 LAPIC_INTR_DUMMY_HANDLER(121)
 318 LAPIC_INTR_DUMMY_HANDLER(122)
 319 LAPIC_INTR_DUMMY_HANDLER(123)
 320 LAPIC_INTR_DUMMY_HANDLER(124)
 321 LAPIC_INTR_DUMMY_HANDLER(125)
 322 LAPIC_INTR_DUMMY_HANDLER(126)
 323 LAPIC_INTR_DUMMY_HANDLER(127)
 324 LAPIC_INTR_DUMMY_HANDLER(128)
 325 LAPIC_INTR_DUMMY_HANDLER(129)
 326 LAPIC_INTR_DUMMY_HANDLER(130)
 327 LAPIC_INTR_DUMMY_HANDLER(131)
 328 LAPIC_INTR_DUMMY_HANDLER(132)
 329 LAPIC_INTR_DUMMY_HANDLER(133)
 330 LAPIC_INTR_DUMMY_HANDLER(134)
 331 LAPIC_INTR_DUMMY_HANDLER(135)
 332 LAPIC_INTR_DUMMY_HANDLER(136)
 333 LAPIC_INTR_DUMMY_HANDLER(137)
 334 LAPIC_INTR_DUMMY_HANDLER(138)
 335 LAPIC_INTR_DUMMY_HANDLER(139)
 336 LAPIC_INTR_DUMMY_HANDLER(140)
 337 LAPIC_INTR_DUMMY_HANDLER(141)
 338 LAPIC_INTR_DUMMY_HANDLER(142)
 339 LAPIC_INTR_DUMMY_HANDLER(143)
 340 LAPIC_INTR_DUMMY_HANDLER(144)
 341 LAPIC_INTR_DUMMY_HANDLER(145)
 342 LAPIC_INTR_DUMMY_HANDLER(146)
 343 LAPIC_INTR_DUMMY_HANDLER(147)
 344 LAPIC_INTR_DUMMY_HANDLER(148)
 345 LAPIC_INTR_DUMMY_HANDLER(149)
 346 LAPIC_INTR_DUMMY_HANDLER(150)
 347 LAPIC_INTR_DUMMY_HANDLER(151)
 348 LAPIC_INTR_DUMMY_HANDLER(152)
 349 LAPIC_INTR_DUMMY_HANDLER(153)
 350 LAPIC_INTR_DUMMY_HANDLER(154)
 351 LAPIC_INTR_DUMMY_HANDLER(155)
 352 LAPIC_INTR_DUMMY_HANDLER(156)
 353 LAPIC_INTR_DUMMY_HANDLER(157)
 354 LAPIC_INTR_DUMMY_HANDLER(158)
 355 LAPIC_INTR_DUMMY_HANDLER(159)
 356 LAPIC_INTR_DUMMY_HANDLER(160)
 357 LAPIC_INTR_DUMMY_HANDLER(161)
 358 LAPIC_INTR_DUMMY_HANDLER(162)
 359 LAPIC_INTR_DUMMY_HANDLER(163)
 360 LAPIC_INTR_DUMMY_HANDLER(164)
 361 LAPIC_INTR_DUMMY_HANDLER(165)
 362 LAPIC_INTR_DUMMY_HANDLER(166)
 363 LAPIC_INTR_DUMMY_HANDLER(167)
 364 LAPIC_INTR_DUMMY_HANDLER(168)
 365 LAPIC_INTR_DUMMY_HANDLER(169)
 366 LAPIC_INTR_DUMMY_HANDLER(170)
 367 LAPIC_INTR_DUMMY_HANDLER(171)
 368 LAPIC_INTR_DUMMY_HANDLER(172)
 369 LAPIC_INTR_DUMMY_HANDLER(173)
 370 LAPIC_INTR_DUMMY_HANDLER(174)
 371 LAPIC_INTR_DUMMY_HANDLER(175)
 372 LAPIC_INTR_DUMMY_HANDLER(176)
 373 LAPIC_INTR_DUMMY_HANDLER(177)
 374 LAPIC_INTR_DUMMY_HANDLER(178)
 375 LAPIC_INTR_DUMMY_HANDLER(179)
 376 LAPIC_INTR_DUMMY_HANDLER(180)
 377 LAPIC_INTR_DUMMY_HANDLER(181)
 378 LAPIC_INTR_DUMMY_HANDLER(182)
 379 LAPIC_INTR_DUMMY_HANDLER(183)
 380 LAPIC_INTR_DUMMY_HANDLER(184)
 381 LAPIC_INTR_DUMMY_HANDLER(185)
 382 LAPIC_INTR_DUMMY_HANDLER(186)
 383 LAPIC_INTR_DUMMY_HANDLER(187)
 384 LAPIC_INTR_DUMMY_HANDLER(188)
 385 LAPIC_INTR_DUMMY_HANDLER(189)
 386 LAPIC_INTR_DUMMY_HANDLER(190)
 387 LAPIC_INTR_DUMMY_HANDLER(191)
 388 LAPIC_INTR_DUMMY_HANDLER(192)
 389 LAPIC_INTR_DUMMY_HANDLER(193)
 390 LAPIC_INTR_DUMMY_HANDLER(194)
 391 LAPIC_INTR_DUMMY_HANDLER(195)
 392 LAPIC_INTR_DUMMY_HANDLER(196)
 393 LAPIC_INTR_DUMMY_HANDLER(197)
 394 LAPIC_INTR_DUMMY_HANDLER(198)
 395 LAPIC_INTR_DUMMY_HANDLER(199)
 396 LAPIC_INTR_DUMMY_HANDLER(200)
 397 LAPIC_INTR_DUMMY_HANDLER(201)
 398 LAPIC_INTR_DUMMY_HANDLER(202)
 399 LAPIC_INTR_DUMMY_HANDLER(203)
 400 LAPIC_INTR_DUMMY_HANDLER(204)
 401 LAPIC_INTR_DUMMY_HANDLER(205)
 402 LAPIC_INTR_DUMMY_HANDLER(206)
 403 LAPIC_INTR_DUMMY_HANDLER(207)
 404 LAPIC_INTR_DUMMY_HANDLER(208)
 405 LAPIC_INTR_DUMMY_HANDLER(209)
 406 LAPIC_INTR_DUMMY_HANDLER(210)
 407 LAPIC_INTR_DUMMY_HANDLER(211)
 408 LAPIC_INTR_DUMMY_HANDLER(212)
 409 LAPIC_INTR_DUMMY_HANDLER(213)
 410 LAPIC_INTR_DUMMY_HANDLER(214)
 411 LAPIC_INTR_DUMMY_HANDLER(215)
 412 LAPIC_INTR_DUMMY_HANDLER(216)
 413 LAPIC_INTR_DUMMY_HANDLER(217)
 414 LAPIC_INTR_DUMMY_HANDLER(218)
 415 LAPIC_INTR_DUMMY_HANDLER(219)
 416 LAPIC_INTR_DUMMY_HANDLER(220)
 417 LAPIC_INTR_DUMMY_HANDLER(221)
 418 LAPIC_INTR_DUMMY_HANDLER(222)
 419 LAPIC_INTR_DUMMY_HANDLER(223)
 420 LAPIC_INTR_DUMMY_HANDLER(224)
 421 LAPIC_INTR_DUMMY_HANDLER(225)
 422 LAPIC_INTR_DUMMY_HANDLER(226)
 423 LAPIC_INTR_DUMMY_HANDLER(227)
 424 LAPIC_INTR_DUMMY_HANDLER(228)
 425 LAPIC_INTR_DUMMY_HANDLER(229)
 426 LAPIC_INTR_DUMMY_HANDLER(230)
 427 LAPIC_INTR_DUMMY_HANDLER(231)
 428 LAPIC_INTR_DUMMY_HANDLER(232)
 429 LAPIC_INTR_DUMMY_HANDLER(233)
 430 LAPIC_INTR_DUMMY_HANDLER(234)
 431 LAPIC_INTR_DUMMY_HANDLER(235)
 432 LAPIC_INTR_DUMMY_HANDLER(236)
 433 LAPIC_INTR_DUMMY_HANDLER(237)
 434 LAPIC_INTR_DUMMY_HANDLER(238)
 435 LAPIC_INTR_DUMMY_HANDLER(239)
 436 LAPIC_INTR_DUMMY_HANDLER(240)
 437 LAPIC_INTR_DUMMY_HANDLER(241)
 438 LAPIC_INTR_DUMMY_HANDLER(242)
 439 LAPIC_INTR_DUMMY_HANDLER(243)
 440 LAPIC_INTR_DUMMY_HANDLER(244)
 441 LAPIC_INTR_DUMMY_HANDLER(245)
 442 LAPIC_INTR_DUMMY_HANDLER(246)
 443 LAPIC_INTR_DUMMY_HANDLER(247)
 444 LAPIC_INTR_DUMMY_HANDLER(248)
 445 LAPIC_INTR_DUMMY_HANDLER(249)
 446 LAPIC_INTR_DUMMY_HANDLER(250)
 447 LAPIC_INTR_DUMMY_HANDLER(251)
 448 LAPIC_INTR_DUMMY_HANDLER(252)
 449 LAPIC_INTR_DUMMY_HANDLER(253)
 450 LAPIC_INTR_DUMMY_HANDLER(254)
 451 LAPIC_INTR_DUMMY_HANDLER(255)
 452
 453 .globl _lapic_intr_dummy_handles_end
 454 _lapic_intr_dummy_handles_end:
 455
 456
 457 #endif /* CONFIG_APIC_DEBUG */
 458