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-rw-r--r--AT91SAM7S256/Debugger/debug_stub.h183
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diff --git a/AT91SAM7S256/Debugger/debug_stub.h b/AT91SAM7S256/Debugger/debug_stub.h
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-/** @file debug_stub.h
- * @brief Shared C/ASM header file for debugger stub
- *
- */
-
-/* Copyright (C) 2007-2010 the NxOS developers
- *
- * Module Developed by: TC Wan <tcwan@cs.usm.my>
- *
- * See AUTHORS for a full list of the developers.
- *
- * Redistribution of this file is permitted under
- * the terms of the GNU Public License (GPL) version 2.
- */
-
-#ifndef __DEBUG_STUB_H__
-#define __DEBUG_STUB_H__
-
-#include "_c_arm_macros.h"
-
-#ifndef __ASSEMBLY__
-#include "types.h"
-#endif
-
-/** @addtogroup debugger */
-/*@{*/
-
-
-/* Declarations go here. */
-/** @name Debug Message Constants.
- *
- * Debug Message Values
- */
-/*@{*/
-#define MSGBUF_SIZE 256 /* Debug Message Buffer Size */
-#define MSGBUF_STARTCHAR '$'
-#define MSGBUF_ACKCHAR '+'
-#define MSGBUF_NAKCHAR '-'
-#define MSGBUF_ERRCHAR 'E'
-#define MSGBUF_SIGCHAR 'S'
-#define MSGBUF_CPSRREG '!'
-#define MSGBUF_SETCHAR '='
-#define MSGBUF_CMDINDEX_OUTOFRANGE_VAL -1
-
-/*@}*/
-/** @name Debug Stack Constants.
- *
- * Debug Stack Manipulation Values
- */
-/*@{*/
-#define DBGSTACK_USERCPSR_OFFSET (DBGSTACK_USERCPSR_INDEX-DBGSTACK_USERREG_INDEX) /* = -1, offset for calculating Debug Stack index */
-#define DBGSTACK_USERCPSR_INDEX 1 /* User CPSR (SPSR_UNDEF) is at index 1 from bottom of Debug Stack */
-#define DBGSTACK_USERREG_INDEX 2 /* R0 starts at index 2 from bottom of Debug Stack */
-/*@}*/
-
-/** @name Bitmask Definitions.
- *
- * Various Bitmasks used for data manipulation.
- */
-/*@{*/
-#define BKPT_STATE_THUMB_FLAG 0x01 /* Flag Thumb Breakpoint */
-#define ASCII_LOWER2UPPER_MASK 0x20 /* ASCII Conversion bitmask */
-#define NIBBLE0 0x0000000F /* Nibble 0 word(3:0) */
-#define NIBBLE1 0x000000F0 /* Nibble 1 word(7:4) */
-#define NIBBLE2 0x00000F00 /* Nibble 2 word(11:8) */
-#define NIBBLE3 0x0000F000 /* Nibble 3 word(15:12) */
-#define NIBBLE4 0x000F0000 /* Nibble 4 word(19:16) */
-#define NIBBLE5 0x00F00000 /* Nibble 5 word(23:20) */
-#define NIBBLE6 0x0F000000 /* Nibble 6 word(27:24) */
-#define NIBBLE7 0xF0000000 /* Nibble 7 word(31:28) */
-#define BYTE0 0x000000FF /* Byte 0 word(7:0) */
-#define BYTE1 0x0000FF00 /* Byte 1 word(15:8) */
-#define BYTE2 0x00FF0000 /* Byte 2 word(23:16) */
-#define BYTE3 0xFF000000 /* Byte 3 word(31:24) */
-#define HLFWRD0 0x0000FFFF /* Halfword 0 word(15:0) */
-#define HLFWRD1 0xFFFF0000 /* Halfword 0 word(31:16) */
-/*@}*/
-
-/** @name CPSR Bit Definitions.
- *
- * Various Bit definitions for accessing the CPSR register.
- */
-/*@{*/
-#define CPSR_THUMB 0x00000020
-#define CPSR_FIQ 0x00000040
-#define CPSR_IRQ 0x00000080
-
-/*@}*/
-
-/** @name BKPT suppport constants
- *
- * ARM and Thumb Breakpoint Instructions.
- */
-/*@{*/
-#define BKPT32_INSTR 0xE1200070 /* ARM BKPT instruction */
-#define BKPT32_ENUM_MASK 0x000FFF0F /* ARM BKPT Enum Mask */
-#define BKPT32_AUTO_BKPT 0x00080000 /* ARM BKPT Auto-Step Flag (for CONT support) */
-#define BKPT32_MANUAL_BKPT 0x0007FF0F /* Manually inserted ARM Breakpoint */
-
-#define BKPT16_INSTR 0xBE00 /* Thumb BKPT instruction (not supported currently) */
-#define BKPT16_ENUM_MASK 0x00FF /* Thumb BKPT Enum Mask */
-#define BKPT16_AUTO_BKPT 0x0080 /* Thumb BKPT Auto-Step Flag (for CONT support) */
-#define BKPT16_MANUAL_BKPT 0x007F /* Manually inserted Thumb Breakpoint */
-/*@}*/
-
-/** Debugger State Enums
- *
- * Debugger State.
- * The enums must be consecutive, starting from 0
- */
-ENUM_BEGIN
-ENUM_VALASSIGN(DBG_RESET, 0) /**< Initial State. */
-ENUM_VAL(DBG_INIT) /**< Debugger Initialized. */
-ENUM_VAL(DBG_MANUAL_BKPT_ARM) /**< Manual ARM Breakpoint. */
-ENUM_VAL(DBG_NORMAL_BKPT_ARM) /**< Normal ARM Breakpoint (Single Step, Normal). */
-ENUM_VAL(DBG_MANUAL_BKPT_THUMB) /**< Manual Thumb Breakpoint. */
-ENUM_VAL(DBG_NORMAL_BKPT_THUMB) /**< Normal Thumb Breakpoint (Single Step, Normal). */
-ENUM_END(dbg_state_t)
-
-/** Debugger Message Error Enums
- *
- * Debugger Error Message Enums.
- * The enums must be consecutive, starting from 1
- */
-ENUM_BEGIN
-ENUM_VALASSIGN(MSG_ERRIMPL, 0) /**< Stub (not implemented) Error. */
-ENUM_VAL(MSG_ERRCHKSUM) /**< Checksum Error. */
-ENUM_VAL(MSG_ERRFORMAT) /**< Message Format Error. */
-ENUM_VAL(MSG_UNKNOWNCMD) /**< Unrecognized Command Error. */
-ENUM_VAL(MSG_UNKNOWNPARAM) /**< Unrecognized Parameter Error. */
-ENUM_END(dbg_msg_errno)
-
-
-#ifndef __ASSEMBLY__
-
-/* Define C stuff */
-/** @defgroup debug_public */
-/*@{*/
-
-
-/** Initialize Debugger.
- * Equivalent to GDB set_debug_traps() routine
- */
-FUNCDEF void dbg__bkpt_init(void);
-
-/** Debugger Handler Routine (called by Exception Handler Trap).
- * Equivalent to GDB handle_exception() routine
- */
-FUNCDEF void dbg__bkpt_handler(void);
-
-/** dbg_breakpoint_arm.
- * Equivalent to GDB breakpoint() routine for ARM code
- */
-FUNCDEF inline void dbg_breakpoint_arm(void) { asm volatile (".word BKPT32_INSTR | BKPT32_MANUAL_BKPT") }
-
-/** dbg_breakpoint_thumb.
- * Equivalent to GDB breakpoint() routine for Thumb code
- */
-FUNCDEF inline void dbg_breakpoint_thumb(void) { asm volatile (".hword BKPT16_INSTR | BKPT16_MANUAL_BKPT") }
-
-/*@}*/
-
-#else
-/* Define Assembly stuff */
-
-/* dbg__bkpt_arm
- * GDB breakpoint() for ARM mode
- */
- .macro dbg__bkpt_arm
- .word (BKPT32_INSTR | BKPT32_MANUAL_BKPT)
- .endm
-
-/* dbg__bkpt_arm
- * GDB breakpoint() for Thumb mode
- */
- .macro dbg__bkpt_thumb
- .hword (BKPT16_INSTR | BKPT16_MANUAL_BKPT)
- .endm
-
-#endif
- /*@}*/
-
-#endif /* __DEBUG_STUB_H__ */