* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
+ * Copyright (C) 2008 by Spencer Oliver *
+ * spen@spen-soft.co.uk *
+ * *
* 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 "target.h"
+#include "log.h"
-enum armv4_5_mode
+typedef enum armv4_5_mode
{
- ARMV4_5_MODE_USR = 16,
- ARMV4_5_MODE_FIQ = 17,
- ARMV4_5_MODE_IRQ = 18,
- ARMV4_5_MODE_SVC = 19,
+ ARMV4_5_MODE_USR = 16,
+ ARMV4_5_MODE_FIQ = 17,
+ ARMV4_5_MODE_IRQ = 18,
+ ARMV4_5_MODE_SVC = 19,
ARMV4_5_MODE_ABT = 23,
ARMV4_5_MODE_UND = 27,
ARMV4_5_MODE_SYS = 31,
ARMV4_5_MODE_ANY = -1
-};
+} armv4_5_mode_t;
-extern char* armv4_5_mode_strings[];
+extern char** armv4_5_mode_strings;
-enum armv4_5_state
+typedef enum armv4_5_state
{
ARMV4_5_STATE_ARM,
ARMV4_5_STATE_THUMB,
ARMV4_5_STATE_JAZELLE,
-};
+} armv4_5_state_t;
extern char* armv4_5_state_strings[];
cache->reg_list[armv4_5_core_reg_map[mode][num]]
/* offsets into armv4_5 core register cache */
-enum
+enum
{
ARMV4_5_CPSR = 31,
ARMV4_5_SPSR_FIQ = 32,
typedef struct armv4_5_algorithm_s
{
int common_magic;
-
+
enum armv4_5_mode core_mode;
enum armv4_5_state core_state;
} armv4_5_algorithm_t;
} armv4_5_core_reg_t;
extern reg_cache_t* armv4_5_build_reg_cache(target_t *target, armv4_5_common_t *armv4_5_common);
-extern enum armv4_5_mode armv4_5_number_to_mode(int number);
-extern int armv4_5_mode_to_number(enum armv4_5_mode mode);
-extern int armv4_5_arch_state(struct target_s *target, char *buf, int buf_size);
+/* map psr mode bits to linear number */
+static __inline int armv4_5_mode_to_number(enum armv4_5_mode mode)
+{
+ switch (mode)
+ {
+ case ARMV4_5_MODE_USR: return 0; break;
+ case ARMV4_5_MODE_FIQ: return 1; break;
+ case ARMV4_5_MODE_IRQ: return 2; break;
+ case ARMV4_5_MODE_SVC: return 3; break;
+ case ARMV4_5_MODE_ABT: return 4; break;
+ case ARMV4_5_MODE_UND: return 5; break;
+ 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");
+ return -1;
+ }
+}
+
+/* map linear number to mode bits */
+static __inline enum armv4_5_mode armv4_5_number_to_mode(int number)
+{
+ switch (number)
+ {
+ case 0: return ARMV4_5_MODE_USR; break;
+ case 1: return ARMV4_5_MODE_FIQ; break;
+ case 2: return ARMV4_5_MODE_IRQ; break;
+ case 3: return ARMV4_5_MODE_SVC; break;
+ case 4: return ARMV4_5_MODE_ABT; break;
+ case 5: return ARMV4_5_MODE_UND; break;
+ case 6: return ARMV4_5_MODE_SYS; break;
+ default:
+ LOG_ERROR("mode index out of bounds");
+ return ARMV4_5_MODE_ANY;
+ }
+};
+
+extern int armv4_5_arch_state(struct target_s *target);
extern int armv4_5_get_gdb_reg_list(target_t *target, reg_t **reg_list[], int *reg_list_size);
-extern int armv4_5_invalidate_core_regs(target_t *target);
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);
/* ARM mode instructions
*/
-
+
/* Store multiple increment after
* Rn: base register
* List: for each bit in list: store register
* CRm: second coprocessor operand
* op2: Second coprocessor opcode
*/
-#define ARMV4_5_MRC(CP, op1, Rd, CRn, CRm, op2) (0xee100010 | (CRm) | ((op2) << 5) | ((CP) << 8) | ((Rd) << 12) | ((CRn) << 16) | ((op1) << 21))
+#define ARMV4_5_MRC(CP, op1, Rd, CRn, CRm, op2) (0xee100010 | (CRm) | ((op2) << 5) | ((CP) << 8) | ((Rd) << 12) | ((CRn) << 16) | ((op1) << 21))
/* Move to coprocessor from ARM register
* CP: Coprocessor number
* CRm: second coprocessor operand
* op2: Second coprocessor opcode
*/
-#define ARMV4_5_MCR(CP, op1, Rd, CRn, CRm, op2) (0xee000010 | (CRm) | ((op2) << 5) | ((CP) << 8) | ((Rd) << 12) | ((CRn) << 16) | ((op1) << 21))
+#define ARMV4_5_MCR(CP, op1, Rd, CRn, CRm, op2) (0xee000010 | (CRm) | ((op2) << 5) | ((CP) << 8) | ((Rd) << 12) | ((CRn) << 16) | ((op1) << 21))
/* Breakpoint instruction (ARMv5)
* Im: 16-bit immediate
/* Thumb mode instructions
*/
-
+
/* Store register (Thumb mode)
* Rd: source register
* Rn: base register
* List: for each bit in list: store register
*/
#define ARMV4_5_T_LDMIA(Rn, List) ((0xc800 | ((Rn) << 8) | (List)) | ((0xc800 | ((Rn) << 8) | List) << 16))
-
+
/* Load register with PC relative addressing
* Rd: register to load
*/
-#define ARMV4_5_T_LDR_PCREL(Rd) ((0x4800 | ((Rd) << 8)) | ((0x4800 | ((Rd) << 8)) << 16))
-
+#define ARMV4_5_T_LDR_PCREL(Rd) ((0x4800 | ((Rd) << 8)) | ((0x4800 | ((Rd) << 8)) << 16))
+
/* Move hi register (Thumb mode)
* Rd: destination register
* Rm: source register
projects / fw / openocd / blobdiff