release/src-rt-6.x.4708/include/hndrte_armtrap.h

   1 /*
   2  * HNDRTE arm trap handling.
   3  *
   4  * Copyright (C) 2012, Broadcom Corporation. All Rights Reserved.
   5  *
   6  * Permission to use, copy, modify, and/or distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  13  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  15  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  16  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  *
  18  * $Id: hndrte_armtrap.h 261365 2011-05-24 20:42:23Z $
  19  */
  20
  21 #ifndef _hndrte_armtrap_h
  22 #define _hndrte_armtrap_h
  23
  24
  25 /* ARM trap handling */
  26
  27 /* Trap types defined by ARM (see arminc.h) */
  28
  29 /* Trap locations in lo memory */
  30 #define TRAP_STRIDE     4
  31 #define FIRST_TRAP      TR_RST
  32 #define LAST_TRAP       (TR_FIQ * TRAP_STRIDE)
  33
  34 #if defined(__ARM_ARCH_4T__)
  35 #define MAX_TRAP_TYPE   (TR_FIQ + 1)
  36 #elif defined(__ARM_ARCH_7M__)
  37 #define MAX_TRAP_TYPE   (TR_ISR + ARMCM3_NUMINTS)
  38 #endif  /* __ARM_ARCH_7M__ */
  39
  40 /* The trap structure is defined here as offsets for assembly */
  41 #define TR_TYPE         0x00
  42 #define TR_EPC          0x04
  43 #define TR_CPSR         0x08
  44 #define TR_SPSR         0x0c
  45 #define TR_REGS         0x10
  46 #define TR_REG(n)       (TR_REGS + (n) * 4)
  47 #define TR_SP           TR_REG(13)
  48 #define TR_LR           TR_REG(14)
  49 #define TR_PC           TR_REG(15)
  50
  51 #define TRAP_T_SIZE     80
  52
  53 #ifndef _LANGUAGE_ASSEMBLY
  54
  55 #include <typedefs.h>
  56
  57 typedef struct _trap_struct {
  58         uint32          type;
  59         uint32          epc;
  60         uint32          cpsr;
  61         uint32          spsr;
  62         uint32          r0;     /* a1 */
  63         uint32          r1;     /* a2 */
  64         uint32          r2;     /* a3 */
  65         uint32          r3;     /* a4 */
  66         uint32          r4;     /* v1 */
  67         uint32          r5;     /* v2 */
  68         uint32          r6;     /* v3 */
  69         uint32          r7;     /* v4 */
  70         uint32          r8;     /* v5 */
  71         uint32          r9;     /* sb/v6 */
  72         uint32          r10;    /* sl/v7 */
  73         uint32          r11;    /* fp/v8 */
  74         uint32          r12;    /* ip */
  75         uint32          r13;    /* sp */
  76         uint32          r14;    /* lr */
  77         uint32          pc;     /* r15 */
  78 } trap_t;
  79
  80 #endif  /* !_LANGUAGE_ASSEMBLY */
  81
  82 #endif  /* _hndrte_armtrap_h */