- add ability for openocd to communicate to gdb using pipes (stdin/stdout).
[fw/openocd] / src / target / arm11.h
index 6e3b1d1536e304f4156fdadf1ab194cad0cc033f..35b577ce41f3aadcf7368f739260669230e157fa 100644 (file)
@@ -1,6 +1,8 @@
 /***************************************************************************
  *   Copyright (C) 2008 digenius technology GmbH.                          *
  *                                                                         *
+ *   Copyright (C) 2008 Georg Acher <acher@in.tum.de>                      *
+ *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
 #include "register.h"
 #include "embeddedice.h"
 #include "arm_jtag.h"
-
-
-#define bool   int
-#define true   1
-#define false  0
+#include <stdbool.h>
 
 #define asizeof(x)     (sizeof(x) / sizeof((x)[0]))
 
-#define NEW(type, variable, items) \
-    type * variable = malloc(sizeof(type) * items)
+#define NEW(type, variable, items)                     \
+       type * variable = calloc(1, sizeof(type) * items)
 
+/* For MinGW use 'I' prefix to print size_t (instead of 'z') */
+
+#ifndef __MSVCRT__
+#define ZU             "%zu"
+#else
+#define ZU             "%Iu"
+#endif
 
 #define ARM11_REGCACHE_MODEREGS                0
 #define ARM11_REGCACHE_FREGS           0
                                         23 * ARM11_REGCACHE_MODEREGS +         \
                                          9 * ARM11_REGCACHE_FREGS)
 
-
 typedef struct arm11_register_history_s
 {
-    u32            value;
-    u8     valid;
+       u32             value;
+       u8              valid;
 }arm11_register_history_t;
 
 enum arm11_debug_version
 {
-    ARM11_DEBUG_V6     = 0x01,
-    ARM11_DEBUG_V61    = 0x02,
-    ARM11_DEBUG_V7     = 0x03,
-    ARM11_DEBUG_V7_CP14        = 0x04,
+       ARM11_DEBUG_V6  = 0x01,
+       ARM11_DEBUG_V61 = 0x02,
+       ARM11_DEBUG_V7  = 0x03,
+       ARM11_DEBUG_V7_CP14     = 0x04,
 };
 
 typedef struct arm11_common_s
 {
-    target_t * target;
+       target_t *      target;
 
-    arm_jtag_t jtag_info;
+       arm_jtag_t      jtag_info;
 
-    /** \name Processor type detection */
-    /*@{*/
+       /** \name Processor type detection */
+       /*@{*/
 
-    u32                device_id;          /**< IDCODE readout                         */
-    u32                didr;               /**< DIDR readout (debug capabilities)      */
-    u8         implementor;        /**< DIDR Implementor readout               */
+       u32             device_id;              /**< IDCODE readout                             */
+       u32             didr;                   /**< DIDR readout (debug capabilities)  */
+       u8              implementor;    /**< DIDR Implementor readout           */
 
-    size_t     brp;                /**< Number of Breakpoint Register Pairs from DIDR  */
-    size_t     wrp;                /**< Number of Watchpoint Register Pairs from DIDR  */
+       size_t  brp;                    /**< Number of Breakpoint Register Pairs from DIDR      */
+       size_t  wrp;                    /**< Number of Watchpoint Register Pairs from DIDR      */
 
-    enum arm11_debug_version
-               debug_version;      /**< ARM debug architecture from DIDR       */
-    /*@}*/
+       enum arm11_debug_version
+               debug_version;          /**< ARM debug architecture from DIDR   */
+       /*@}*/
 
+       u32             last_dscr;              /**< Last retrieved DSCR value;
+                                                        * Can be used to detect changes                */
 
-    u32                last_dscr;          /**< Last retrieved DSCR value;
-                                    *   Can be used to detect changes          */
+       bool    trst_active;
+       bool    halt_requested;
+       bool    simulate_reset_on_next_halt;
 
-    u8         trst_active;
-    u8         halt_requested;
+       /** \name Shadow registers to save processor state */
+       /*@{*/
 
-    /** \name Shadow registers to save processor state */
-    /*@{*/
+       reg_t * reg_list;                                                       /**< target register list */
+       u32             reg_values[ARM11_REGCACHE_COUNT];       /**< data for registers */
 
-    reg_t *    reg_list;                               /**< target register list */
-    u32                reg_values[ARM11_REGCACHE_COUNT];       /**< data for registers */
+       /*@}*/
 
-    /*@}*/
-
-    arm11_register_history_t
+       arm11_register_history_t
                reg_history[ARM11_REGCACHE_COUNT];      /**< register state before last resume */
 
+       size_t  free_brps;                              /**< keep track of breakpoints allocated by arm11_add_breakpoint() */
+       size_t  free_wrps;                              /**< keep track of breakpoints allocated by arm11_add_watchpoint() */
 
-    size_t     free_brps;                              /**< keep track of breakpoints allocated by arm11_add_breakpoint() */
-    size_t     free_wrps;                              /**< keep track of breakpoints allocated by arm11_add_watchpoint() */
-
+       // GA
+       reg_cache_t *core_cache;
 } arm11_common_t;
 
 
 /**
- * ARM11 DBGTAP instructions 
- * 
+ * ARM11 DBGTAP instructions
+ *
  * http://infocenter.arm.com/help/topic/com.arm.doc.ddi0301f/I1006229.html
  */
 enum arm11_instructions
 {
-    ARM11_EXTEST    = 0x00,
-    ARM11_SCAN_N    = 0x02,
-    ARM11_RESTART   = 0x04,
-    ARM11_HALT     = 0x08,
-    ARM11_INTEST    = 0x0C,
-    ARM11_ITRSEL    = 0x1D,
-    ARM11_IDCODE    = 0x1E,
-    ARM11_BYPASS    = 0x1F,
+       ARM11_EXTEST    = 0x00,
+       ARM11_SCAN_N    = 0x02,
+       ARM11_RESTART   = 0x04,
+       ARM11_HALT          = 0x08,
+       ARM11_INTEST    = 0x0C,
+       ARM11_ITRSEL    = 0x1D,
+       ARM11_IDCODE    = 0x1E,
+       ARM11_BYPASS    = 0x1F,
 };
 
 enum arm11_dscr
 {
-    ARM11_DSCR_CORE_HALTED                             = 1 << 0,
-    ARM11_DSCR_CORE_RESTARTED                          = 1 << 1,
-
-    ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_MASK              = 0x0F << 2,
-    ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_HALT              = 0x00 << 2,
-    ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BREAKPOINT                = 0x01 << 2,
-    ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_WATCHPOINT                = 0x02 << 2,
-    ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BKPT_INSTRUCTION  = 0x03 << 2,
-    ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_EDBGRQ            = 0x04 << 2,
-    ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_VECTOR_CATCH      = 0x05 << 2,
-
-    ARM11_DSCR_STICKY_PRECISE_DATA_ABORT               = 1 << 6,
-    ARM11_DSCR_STICKY_IMPRECISE_DATA_ABORT             = 1 << 7,
-    ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE          = 1 << 13,
-    ARM11_DSCR_MODE_SELECT                             = 1 << 14,
-    ARM11_DSCR_WDTR_FULL                               = 1 << 29,
-    ARM11_DSCR_RDTR_FULL                               = 1 << 30,
+       ARM11_DSCR_CORE_HALTED                          = 1 << 0,
+       ARM11_DSCR_CORE_RESTARTED                               = 1 << 1,
+
+       ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_MASK           = 0x0F << 2,
+       ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_HALT           = 0x00 << 2,
+       ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BREAKPOINT             = 0x01 << 2,
+       ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_WATCHPOINT             = 0x02 << 2,
+       ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BKPT_INSTRUCTION       = 0x03 << 2,
+       ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_EDBGRQ         = 0x04 << 2,
+       ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_VECTOR_CATCH   = 0x05 << 2,
+
+       ARM11_DSCR_STICKY_PRECISE_DATA_ABORT            = 1 << 6,
+       ARM11_DSCR_STICKY_IMPRECISE_DATA_ABORT          = 1 << 7,
+       ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE               = 1 << 13,
+       ARM11_DSCR_MODE_SELECT                          = 1 << 14,
+       ARM11_DSCR_WDTR_FULL                            = 1 << 29,
+       ARM11_DSCR_RDTR_FULL                            = 1 << 30,
 };
 
 enum arm11_cpsr
 {
-    ARM11_CPSR_T                               = 1 << 5,
-    ARM11_CPSR_J                               = 1 << 24,
+       ARM11_CPSR_T                            = 1 << 5,
+       ARM11_CPSR_J                            = 1 << 24,
 };
 
 enum arm11_sc7
 {
-    ARM11_SC7_NULL                             = 0,
-    ARM11_SC7_VCR                              = 7,
-    ARM11_SC7_PC                               = 8,
-    ARM11_SC7_BVR0                             = 64,
-    ARM11_SC7_BCR0                             = 80,
-    ARM11_SC7_WVR0                             = 96,
-    ARM11_SC7_WCR0                             = 112,
+       ARM11_SC7_NULL                          = 0,
+       ARM11_SC7_VCR                           = 7,
+       ARM11_SC7_PC                            = 8,
+       ARM11_SC7_BVR0                          = 64,
+       ARM11_SC7_BCR0                          = 80,
+       ARM11_SC7_WVR0                          = 96,
+       ARM11_SC7_WCR0                          = 112,
 };
 
-
-
 typedef struct arm11_reg_state_s
 {
-    u32                                def_index;
-    target_t *                 target;
+       u32                             def_index;
+       target_t *                      target;
 } arm11_reg_state_t;
 
-
-
-
 /* poll current target status */
 int arm11_poll(struct target_s *target);
 /* architecture specific status reply */
@@ -181,17 +181,17 @@ int arm11_target_request_data(struct target_s *target, u32 size, u8 *buffer);
 int arm11_halt(struct target_s *target);
 int arm11_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution);
 int arm11_step(struct target_s *target, int current, u32 address, int handle_breakpoints);
+int arm11_examine(struct target_s *target);
 
 /* target reset control */
 int arm11_assert_reset(struct target_s *target);
 int arm11_deassert_reset(struct target_s *target);
 int arm11_soft_reset_halt(struct target_s *target);
-int arm11_prepare_reset_halt(struct target_s *target);
 
 /* target register access for gdb */
 int arm11_get_gdb_reg_list(struct target_s *target, struct reg_s **reg_list[], int *reg_list_size);
 
-/* target memory access 
+/* target memory access
 * size: 1 = byte (8bit), 2 = half-word (16bit), 4 = word (32bit)
 * count: number of items of <size>
 */
@@ -203,7 +203,7 @@ int arm11_bulk_write_memory(struct target_s *target, u32 address, u32 count, u8
 
 int arm11_checksum_memory(struct target_s *target, u32 address, u32 count, u32* checksum);
 
-/* target break-/watchpoint control 
+/* target break-/watchpoint control
 * rw: 0 = write, 1 = read, 2 = access
 */
 int arm11_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint);
@@ -215,18 +215,18 @@ int arm11_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint);
 int arm11_run_algorithm(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info);
 
 int arm11_register_commands(struct command_context_s *cmd_ctx);
-int arm11_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target);
+int arm11_target_create(struct target_s *target, Jim_Interp *interp);
 int arm11_init_target(struct command_context_s *cmd_ctx, struct target_s *target);
 int arm11_quit(void);
 
-
 /* helpers */
-void arm11_build_reg_cache(target_t *target);
+int arm11_build_reg_cache(target_t *target);
+int arm11_set_reg(reg_t *reg, u8 *buf);
+int arm11_get_reg(reg_t *reg);
 
 void arm11_record_register_history(arm11_common_t * arm11);
 void arm11_dump_reg_changes(arm11_common_t * arm11);
 
-
 /* internals */
 
 void arm11_setup_field         (arm11_common_t * arm11, int num_bits, void * in_data, void * out_data, scan_field_t * field);
@@ -252,18 +252,17 @@ void arm11_run_instr_data_to_core_via_r0  (arm11_common_t * arm11, u32 opcode, u3
 int arm11_add_dr_scan_vc(int num_fields, scan_field_t *fields, enum tap_state state);
 int arm11_add_ir_scan_vc(int num_fields, scan_field_t *fields, enum tap_state state);
 
-
 /** Used to make a list of read/write commands for scan chain 7
  *
  *  Use with arm11_sc7_run()
  */
 typedef struct arm11_sc7_action_s
 {
-    bool    write;                             /**< Access mode: true for write, false for read.       */
-    u8     address;                            /**< Register address mode. Use enum #arm11_sc7         */
-    u32            value;                              /**< If write then set this to value to be written.
-                                                    In read mode this receives the read value when the
-                                                    function returns.                                  */
+       bool    write;                          /**< Access mode: true for write, false for read.       */
+       u8              address;                                /**< Register address mode. Use enum #arm11_sc7         */
+       u32             value;                          /**< If write then set this to value to be written.
+                                                               In read mode this receives the read value when the
+                                                               function returns.                                       */
 } arm11_sc7_action_t;
 
 void arm11_sc7_run(arm11_common_t * arm11, arm11_sc7_action_t * actions, size_t count);
@@ -274,6 +273,4 @@ void arm11_sc7_set_vcr(arm11_common_t * arm11, u32 value);
 
 void arm11_read_memory_word(arm11_common_t * arm11, u32 address, u32 * result);
 
-
-
 #endif /* ARM11_H */