arch/all-pc/kernel/apic_error.c

   1 /*
   2     Copyright © 2017, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <asm/cpu.h>
   7 #include <asm/io.h>
   8 #include <aros/libcall.h>
   9 #include <aros/asmcall.h>
  10 #include <exec/execbase.h>
  11 #include <exec/lists.h>
  12
  13 #include "kernel_base.h"
  14 #include "kernel_intern.h"
  15 #include "kernel_debug.h"
  16 #include "kernel_globals.h"
  17
  18 #define D(x)
  19
  20 int core_APICErrorHandle(struct ExceptionContext *regs, struct KernelBase *KernelBase, void *HandlerData2)
  21 {
  22     ULONG error_code = 0;
  23     struct PlatformData *pdata = KernelBase->kb_PlatformData;
  24     struct APICData *apicData = pdata->kb_APIC;
  25     IPTR __LAPICBase = apicData->lapicBase;
  26
  27     // IN order to read APIC_ESR register one has to first write it with anything (zero is fine)
  28     // This forces update of the contents and new error codes may be read
  29     APIC_REG(__LAPICBase, APIC_ESR) = error_code;
  30     error_code = APIC_REG(__LAPICBase, APIC_ESR);
  31
  32     bug("[KERNEL] %s: APIC Error interrupt! Error code=%08x\n", __func__, error_code);
  33
  34     return TRUE;
  35 }
  36
  37 int core_APICSpuriousHandle(struct ExceptionContext *regs, struct KernelBase *KernelBase, void *HandlerData2)
  38 {
  39     bug("[KERNEL] %s: APIC Spurious interrupt!\n", __func__);
  40
  41     return TRUE;
  42 }