arch/.unmaintained/arm-all/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.text\n\t"                      \
  26         ".globl "SYMBOL_NAME_STR(IRQ) #nr "_interrupt\n\t"           \
  27         ".type  "SYMBOL_NAME_STR(IRQ) #nr "_interrupt, function\n\t" \
  28         "\n\t"__ALIGN_STR"\n"                \
  29 SYMBOL_NAME_STR(IRQ) #nr "_interrupt:\n\t"   \
  30         "sub    sp, sp, #(17*4)\n\t"         \
  31         "stmia  sp, {r0-r12}\n\t"            \
  32         "add    r8, sp, #(13*4)\n\t"         \
  33         "stmia  r8, {sp,lr}^\n\t"            \
  34         "nop    \n\t"                        \
  35         "str    lr, [sp, #(15*4)]\n\t"       \
  36         "mrs    r8, spsr\n\t"                \
  37         "str    r8, [sp, #(16*4)]\n\t"       \
  38         "mov    r0,sp\n\t"                   \
  39         "mov    r1,#0\n\t"                   \
  40         "bl    "SYMBOL_NAME_STR(do_IRQ)"\n\t"\
  41         "nop    \n\t"                        \
  42         "ldr    r0, [sp, #(16*4)]\n\t"       \
  43         "msr    spsr,r0\n\t"                 \
  44         "ldr    lr, [sp, #(15*4)]\n\t"       \
  45         "ldmia  sp, {r0-lr}^\n\t"            \
  46         "nop    \n\t"                        \
  47         "add    sp, sp, #(17*4)\n\t"         \
  48         "subs   pc, lr, #4\n\t");
  49
  50 struct PlatformData
  51 {
  52         struct irqDescriptor    irq_desc[NR_IRQS];
  53 };
  54
  55 #define PLATFORMDATA(x) ((struct PlatformData *)(x)->PlatformData)
  56
  57 BOOL init_core(struct ExecBase *);
  58 BOOL irqSet(int, struct irqServer *, void *, struct ExecBase *);
  59
  60 void disable_irq(unsigned int virq);
  61 void  enable_irq(unsigned int virq);
  62
  63 #endif