arch/m68k-mac/include/aros/core.h

   1 #ifndef AROS_CORE_H
   2 #define AROS_CORE_H
   3
   4 /*
   5     Copyright © 2000, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: Interrupt core, part of kernel.resource
   9     Lang: english
  10 */
  11
  12 #include <exec/types.h>
  13 #include <exec/execbase.h>
  14 #include <asm/irq.h>
  15 #include <asm/linkage.h>
  16
  17 /* Here are some macros used to build interrupt table in core file. */
  18
  19 #define IRQ_NAME2(nr) nr##_interrupt(void)
  20 #define IRQ_NAME(nr) IRQ_NAME2(IRQ##nr)
  21
  22 #define BUILD_IRQ(nr)                        \
  23 /*asmlinkage*/ void IRQ_NAME(nr);            \
  24 __asm__(                                     \
  25         "\n\t"__ALIGN_STR"\n"                \
  26 SYMBOL_NAME_STR(IRQ) #nr "_interrupt:\n\t"   \
  27         "/* move.b  #0x61,0xdddddebc*/\n\t"       \
  28         "movem.l %d0-%d7/%a0-%a6,-(%ssp)\n\t"\
  29         "move.l  %usp,%a0\n\t"               \
  30         "move.l  %a0,-(%ssp)\n\t"            \
  31         "move.l  %ssp,%a0\n\t"               \
  32         "pea     "#nr"\n\t"                  \
  33         "move.l  %a0,-(%ssp)\n\t"            \
  34         "bsr "SYMBOL_NAME_STR(do_IRQ)"\n\t"  \
  35         "add.l   #8,%ssp\n\t"                \
  36         "move.l  (%ssp)+,%a0\n\t"            \
  37         "move.l  %a0,%usp\n\t"               \
  38         "movem.l (%ssp)+,%d0-%d7/%a0-%a6\n\t"\
  39         "/*move.b  #0x41,0xdddddebc*/\n\t"       \
  40         "rte\n\t");
  41
  42
  43 struct PlatformData
  44 {
  45         struct irqDescriptor    irq_desc[NR_IRQS];
  46 };
  47
  48 #define PLATFORMDATA(x) ((struct PlatformData *)(x)->PlatformData)
  49
  50 BOOL init_core(struct ExecBase *);
  51 BOOL irqSet(int, struct irqServer *, void *, struct ExecBase *);
  52
  53 void disable_irq(unsigned int virq);
  54 void  enable_irq(unsigned int virq);
  55
  56 #endif