release/src-rt/include/hndrte_armtrap.h

   1 /*
   2  * HNDRTE arm trap handling.
   3  *
   4  * Copyright (C) 2010, Broadcom Corporation
   5  * All Rights Reserved.
   6  *
   7  * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation;
   8  * the contents of this file may not be disclosed to third parties, copied
   9  * or duplicated in any form, in whole or in part, without the prior
  10  * written permission of Broadcom Corporation.
  11  *
  12  * $Id: hndrte_armtrap.h,v 13.4 2009-07-13 23:25:52 Exp $
  13  */
  14
  15 #ifndef _hndrte_armtrap_h
  16 #define _hndrte_armtrap_h
  17
  18
  19 /* ARM trap handling */
  20
  21 /* Trap types defined by ARM (see arminc.h) */
  22
  23 /* Trap locations in lo memory */
  24 #define TRAP_STRIDE     4
  25 #define FIRST_TRAP      TR_RST
  26 #define LAST_TRAP       (TR_FIQ * TRAP_STRIDE)
  27
  28 #if defined(__ARM_ARCH_4T__)
  29 #define MAX_TRAP_TYPE   (TR_FIQ + 1)
  30 #elif defined(__ARM_ARCH_7M__)
  31 #define MAX_TRAP_TYPE   (TR_ISR + ARMCM3_NUMINTS)
  32 #endif  /* __ARM_ARCH_7M__ */
  33
  34 /* The trap structure is defined here as offsets for assembly */
  35 #define TR_TYPE         0x00
  36 #define TR_EPC          0x04
  37 #define TR_CPSR         0x08
  38 #define TR_SPSR         0x0c
  39 #define TR_REGS         0x10
  40 #define TR_REG(n)       (TR_REGS + (n) * 4)
  41 #define TR_SP           TR_REG(13)
  42 #define TR_LR           TR_REG(14)
  43 #define TR_PC           TR_REG(15)
  44
  45 #define TRAP_T_SIZE     80
  46
  47 #ifndef _LANGUAGE_ASSEMBLY
  48
  49 #include <typedefs.h>
  50
  51 typedef struct _trap_struct {
  52         uint32          type;
  53         uint32          epc;
  54         uint32          cpsr;
  55         uint32          spsr;
  56         uint32          r0;
  57         uint32          r1;
  58         uint32          r2;
  59         uint32          r3;
  60         uint32          r4;
  61         uint32          r5;
  62         uint32          r6;
  63         uint32          r7;
  64         uint32          r8;
  65         uint32          r9;
  66         uint32          r10;
  67         uint32          r11;
  68         uint32          r12;
  69         uint32          r13;
  70         uint32          r14;
  71         uint32          pc;
  72 } trap_t;
  73
  74 #endif  /* !_LANGUAGE_ASSEMBLY */
  75
  76 #endif  /* _hndrte_armtrap_h */