-static struct irqhandler irq_handler[NUM_INT_SOURCES];
-
-/*
- * This array hold the rest of parameters of int handlers: type
- * (slow,fast,prio) and the name of the handler. These values are only
- * accessed from C
- */
-static struct irqparam irq_param[NUM_INT_SOURCES];
-
-/* check for valid int number (complex, sigh...) */
-#define IS_VALID_INTNO(n) \
- ((n) > 0 && \
- /* autovec and ST-MFP ok anyway */ \
- (((n) < TTMFP_SOURCE_BASE) || \
- /* TT-MFP ok if present */ \
- ((n) >= TTMFP_SOURCE_BASE && (n) < SCC_SOURCE_BASE && \
- ATARIHW_PRESENT(TT_MFP)) || \
- /* SCC ok if present and number even */ \
- ((n) >= SCC_SOURCE_BASE && (n) < VME_SOURCE_BASE && \
- !((n) & 1) && ATARIHW_PRESENT(SCC)) || \
- /* greater numbers ok if they are registered VME vectors */ \
- ((n) >= VME_SOURCE_BASE && (n) < VME_SOURCE_BASE + VME_MAX_SOURCES && \
- free_vme_vec_bitmap & (1 << ((n) - VME_SOURCE_BASE)))))
-
-
-/*
- * Here start the assembler entry points for interrupts
- */
-
-#define IRQ_NAME(nr) atari_slow_irq_##nr##_handler(void)
-
-#define BUILD_SLOW_IRQ(n) \
-asmlinkage void IRQ_NAME(n); \
-/* Dummy function to allow asm with operands. */ \
-void atari_slow_irq_##n##_dummy (void) { \
-__asm__ (__ALIGN_STR "\n" \
-"atari_slow_irq_" #n "_handler:\t" \
-" addl %6,%5\n" /* preempt_count() += HARDIRQ_OFFSET */ \
- SAVE_ALL_INT "\n" \
- GET_CURRENT(%%d0) "\n" \
-" andb #~(1<<(%c3&7)),%a4:w\n" /* mask this interrupt */ \
- /* get old IPL from stack frame */ \
-" bfextu %%sp@(%c2){#5,#3},%%d0\n" \
-" movew %%sr,%%d1\n" \
-" bfins %%d0,%%d1{#21,#3}\n" \
-" movew %%d1,%%sr\n" /* set IPL = previous value */ \
-" addql #1,%a0\n" \
-" lea %a1,%%a0\n" \
-" pea %%sp@\n" /* push addr of frame */ \
-" movel %%a0@(4),%%sp@-\n" /* push handler data */ \
-" pea (%c3+8)\n" /* push int number */ \
-" movel %%a0@,%%a0\n" \
-" jbsr %%a0@\n" /* call the handler */ \
-" addql #8,%%sp\n" \
-" addql #4,%%sp\n" \
-" orw #0x0600,%%sr\n" \
-" andw #0xfeff,%%sr\n" /* set IPL = 6 again */ \
-" orb #(1<<(%c3&7)),%a4:w\n" /* now unmask the int again */ \
-" jbra ret_from_interrupt\n" \
- : : "i" (&kstat_cpu(0).irqs[n+8]), "i" (&irq_handler[n+8]), \
- "n" (PT_OFF_SR), "n" (n), \
- "i" (n & 8 ? (n & 16 ? &tt_mfp.int_mk_a : &st_mfp.int_mk_a) \
- : (n & 16 ? &tt_mfp.int_mk_b : &st_mfp.int_mk_b)), \
- "m" (preempt_count()), "di" (HARDIRQ_OFFSET) \
-); \
- for (;;); /* fake noreturn */ \
-}
-
-BUILD_SLOW_IRQ(0);
-BUILD_SLOW_IRQ(1);
-BUILD_SLOW_IRQ(2);
-BUILD_SLOW_IRQ(3);
-BUILD_SLOW_IRQ(4);
-BUILD_SLOW_IRQ(5);
-BUILD_SLOW_IRQ(6);
-BUILD_SLOW_IRQ(7);
-BUILD_SLOW_IRQ(8);
-BUILD_SLOW_IRQ(9);
-BUILD_SLOW_IRQ(10);
-BUILD_SLOW_IRQ(11);
-BUILD_SLOW_IRQ(12);
-BUILD_SLOW_IRQ(13);
-BUILD_SLOW_IRQ(14);
-BUILD_SLOW_IRQ(15);
-BUILD_SLOW_IRQ(16);
-BUILD_SLOW_IRQ(17);
-BUILD_SLOW_IRQ(18);
-BUILD_SLOW_IRQ(19);
-BUILD_SLOW_IRQ(20);
-BUILD_SLOW_IRQ(21);
-BUILD_SLOW_IRQ(22);
-BUILD_SLOW_IRQ(23);
-BUILD_SLOW_IRQ(24);
-BUILD_SLOW_IRQ(25);
-BUILD_SLOW_IRQ(26);
-BUILD_SLOW_IRQ(27);
-BUILD_SLOW_IRQ(28);
-BUILD_SLOW_IRQ(29);
-BUILD_SLOW_IRQ(30);
-BUILD_SLOW_IRQ(31);
-
-asm_irq_handler slow_handlers[32] = {
- [0] = atari_slow_irq_0_handler,
- [1] = atari_slow_irq_1_handler,
- [2] = atari_slow_irq_2_handler,
- [3] = atari_slow_irq_3_handler,
- [4] = atari_slow_irq_4_handler,
- [5] = atari_slow_irq_5_handler,
- [6] = atari_slow_irq_6_handler,
- [7] = atari_slow_irq_7_handler,
- [8] = atari_slow_irq_8_handler,
- [9] = atari_slow_irq_9_handler,
- [10] = atari_slow_irq_10_handler,
- [11] = atari_slow_irq_11_handler,
- [12] = atari_slow_irq_12_handler,
- [13] = atari_slow_irq_13_handler,
- [14] = atari_slow_irq_14_handler,
- [15] = atari_slow_irq_15_handler,
- [16] = atari_slow_irq_16_handler,
- [17] = atari_slow_irq_17_handler,
- [18] = atari_slow_irq_18_handler,
- [19] = atari_slow_irq_19_handler,
- [20] = atari_slow_irq_20_handler,
- [21] = atari_slow_irq_21_handler,
- [22] = atari_slow_irq_22_handler,
- [23] = atari_slow_irq_23_handler,
- [24] = atari_slow_irq_24_handler,
- [25] = atari_slow_irq_25_handler,
- [26] = atari_slow_irq_26_handler,
- [27] = atari_slow_irq_27_handler,
- [28] = atari_slow_irq_28_handler,
- [29] = atari_slow_irq_29_handler,
- [30] = atari_slow_irq_30_handler,
- [31] = atari_slow_irq_31_handler
-};
-
-asmlinkage void atari_fast_irq_handler( void );
-asmlinkage void atari_prio_irq_handler( void );
-
-/* Dummy function to allow asm with operands. */
-void atari_fast_prio_irq_dummy (void) {
-__asm__ (__ALIGN_STR "\n"
-"atari_fast_irq_handler:\n\t"
- "orw #0x700,%%sr\n" /* disable all interrupts */
-"atari_prio_irq_handler:\n\t"
- "addl %3,%2\n\t" /* preempt_count() += HARDIRQ_OFFSET */
- SAVE_ALL_INT "\n\t"
- GET_CURRENT(%%d0) "\n\t"
- /* get vector number from stack frame and convert to source */
- "bfextu %%sp@(%c1){#4,#10},%%d0\n\t"
- "subw #(0x40-8),%%d0\n\t"
- "jpl 1f\n\t"
- "addw #(0x40-8-0x18),%%d0\n"
- "1:\tlea %a0,%%a0\n\t"
- "addql #1,%%a0@(%%d0:l:4)\n\t"
- "lea irq_handler,%%a0\n\t"
- "lea %%a0@(%%d0:l:8),%%a0\n\t"
- "pea %%sp@\n\t" /* push frame address */
- "movel %%a0@(4),%%sp@-\n\t" /* push handler data */
- "movel %%d0,%%sp@-\n\t" /* push int number */
- "movel %%a0@,%%a0\n\t"
- "jsr %%a0@\n\t" /* and call the handler */
- "addql #8,%%sp\n\t"
- "addql #4,%%sp\n\t"
- "jbra ret_from_interrupt"
- : : "i" (&kstat_cpu(0).irqs), "n" (PT_OFF_FORMATVEC),
- "m" (preempt_count()), "di" (HARDIRQ_OFFSET)
-);
- for (;;);
-}
-#endif