mcr/mrc interface work. Implemented for arm926ejs and arm720t. mcr/mrc commands added.

[fw/openocd] / src / target / armv4_5.h

diff --git a/src/target/armv4_5.h b/src/target/armv4_5.h
index 128242ea2de20db8743b330cd8acd9ce0aa2e393..80f28db395263193fe96c70bad6dad76de8d4ea8 100644 (file)
--- a/src/target/armv4_5.h
+++ b/src/target/armv4_5.h
@@ -5,6 +5,9 @@
  *   Copyright (C) 2008 by Spencer Oliver                                  *
  *   spen@spen-soft.co.uk                                                  *
  *                                                                         *
+ *   Copyright (C) 2009 by Øyvind Harboe                                   *
+ *   oyvind.harboe@zylin.com                                               *
+ *                                                                         *
  *   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     *
@@ -74,11 +77,12 @@ typedef struct armv4_5_common_s
 {
        int common_magic;
        reg_cache_t *core_cache;
-       enum armv4_5_mode core_mode;
+       int /* armv4_5_mode */ core_mode;
        enum armv4_5_state core_state;
+       bool is_armv4;
        int (*full_context)(struct target_s *target);
        int (*read_core_reg)(struct target_s *target, int num, enum armv4_5_mode mode);
-       int (*write_core_reg)(struct target_s *target, int num, enum armv4_5_mode mode, u32 value);
+       int (*write_core_reg)(struct target_s *target, int num, enum armv4_5_mode mode, uint32_t value);
        void *arch_info;
 } armv4_5_common_t;
 
@@ -114,7 +118,7 @@ static __inline int armv4_5_mode_to_number(enum armv4_5_mode mode)
                case ARMV4_5_MODE_SYS: return 6; break;
                case ARMV4_5_MODE_ANY: return 0; break; /* map MODE_ANY to user mode */
                default:
-                       LOG_ERROR("invalid mode value encountered");
+                       LOG_ERROR("invalid mode value encountered %d", mode);
                        return -1;
        }
 }
@@ -132,7 +136,7 @@ static __inline enum armv4_5_mode armv4_5_number_to_mode(int number)
                case 5: return ARMV4_5_MODE_UND; break;
                case 6: return ARMV4_5_MODE_SYS; break;
                default:
-                       LOG_ERROR("mode index out of bounds");
+                       LOG_ERROR("mode index out of bounds %d", number);
                        return ARMV4_5_MODE_ANY;
        }
 };
@@ -143,7 +147,7 @@ extern int armv4_5_get_gdb_reg_list(target_t *target, reg_t **reg_list[], int *r
 extern int armv4_5_register_commands(struct command_context_s *cmd_ctx);
 extern int armv4_5_init_arch_info(target_t *target, armv4_5_common_t *armv4_5);
 
-extern int armv4_5_run_algorithm(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_params, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info);
+extern int armv4_5_run_algorithm(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_params, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info);
 
 extern int armv4_5_invalidate_core_regs(target_t *target);
 
@@ -154,7 +158,7 @@ extern int armv4_5_invalidate_core_regs(target_t *target);
  * Rn: base register
  * List: for each bit in list: store register
  * S: in priviledged mode: store user-mode registers
- * W=1: update the base register. W=0: leave the base register untouched
+ * W = 1: update the base register. W = 0: leave the base register untouched
  */
 #define ARMV4_5_STMIA(Rn, List, S, W)  (0xe8800000 | ((S) << 22) | ((W) << 21) | ((Rn) << 16) | (List))
 
@@ -162,7 +166,7 @@ extern int armv4_5_invalidate_core_regs(target_t *target);
  * Rn: base register
  * List: for each bit in list: store register
  * S: in priviledged mode: store user-mode registers
- * W=1: update the base register. W=0: leave the base register untouched
+ * W = 1: update the base register. W = 0: leave the base register untouched
  */
 #define ARMV4_5_LDMIA(Rn, List, S, W)  (0xe8900000 | ((S) << 22) | ((W) << 21) | ((Rn) << 16) | (List))
 
@@ -170,7 +174,7 @@ extern int armv4_5_invalidate_core_regs(target_t *target);
 #define ARMV4_5_NOP                                    (0xe1a08008)
 
 /* Move PSR to general purpose register
- * R=1: SPSR R=0: CPSR
+ * R = 1: SPSR R = 0: CPSR
  * Rn: target register
  */
 #define ARMV4_5_MRS(Rn, R)                     (0xe10f0000 | ((R) << 22) | ((Rn) << 12))
@@ -188,7 +192,7 @@ extern int armv4_5_invalidate_core_regs(target_t *target);
 #define ARMV4_5_LDR(Rd, Rn)                    (0xe5900000 | ((Rd) << 12) | ((Rn) << 16))
 
 /* Move general purpose register to PSR
- * R=1: SPSR R=0: CPSR
+ * R = 1: SPSR R = 0: CPSR
  * Field: Field mask
  * 1: control field 2: extension field 4: status field 8: flags field
  * Rm: source register
@@ -314,4 +318,19 @@ extern int armv4_5_invalidate_core_regs(target_t *target);
  */
 #define ARMV5_T_BKPT(Im) ((0xbe00 | Im) | ((0xbe00 | Im) << 16))
 
+/* build basic mrc/mcr opcode */
+
+static inline uint32_t mrc_opcode(int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm)
+{
+       uint32_t t = 0;
+       t|=op1<<21;
+       t|=op2<<5;
+       t|=CRn<<16;
+       t|=CRm<<0;
+       return t;
+}
+
+
+
+
 #endif /* ARMV4_5_H */