#include <helper/command.h>
-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_ABT = 23,
+/**
+ * These numbers match the five low bits of the *PSR registers on
+ * "classic ARM" processors, which build on the ARMv4 processor
+ * modes and register set.
+ */
+enum arm_mode {
+ ARM_MODE_USR = 16,
+ ARM_MODE_FIQ = 17,
+ ARM_MODE_IRQ = 18,
+ ARM_MODE_SVC = 19,
+ ARM_MODE_ABT = 23,
ARM_MODE_MON = 26,
- ARMV4_5_MODE_UND = 27,
- ARMV4_5_MODE_SYS = 31,
- ARMV4_5_MODE_ANY = -1
-} armv4_5_mode_t;
+ ARM_MODE_UND = 27,
+ ARM_MODE_SYS = 31,
+ ARM_MODE_ANY = -1
+};
const char *arm_mode_name(unsigned psr_mode);
bool is_arm_mode(unsigned psr_mode);
-int armv4_5_mode_to_number(enum armv4_5_mode mode);
-enum armv4_5_mode armv4_5_number_to_mode(int number);
-
-typedef enum armv4_5_state
-{
+/** The PSR "T" and "J" bits define the mode of "classic ARM" cores. */
+enum arm_state {
ARM_STATE_ARM,
ARM_STATE_THUMB,
ARM_STATE_JAZELLE,
ARM_STATE_THUMB_EE,
-} armv4_5_state_t;
+};
+
+extern const char *arm_state_strings[];
-extern char* armv4_5_state_strings[];
+/* OBSOLETE, DO NOT USE IN NEW CODE! The "number" of an arm_mode is an
+ * index into the armv4_5_core_reg_map array. Its remaining users are
+ * remnants which could as easily walk * the register cache directly as
+ * use the expensive ARMV4_5_CORE_REG_MODE() macro.
+ */
+int arm_mode_to_number(enum arm_mode mode);
+enum arm_mode armv4_5_number_to_mode(int number);
extern const int armv4_5_core_reg_map[8][17];
#define ARMV4_5_CORE_REG_MODE(cache, mode, num) \
- cache->reg_list[armv4_5_core_reg_map[armv4_5_mode_to_number(mode)][num]]
+ cache->reg_list[armv4_5_core_reg_map[arm_mode_to_number(mode)][num]]
/* offset into armv4_5 core register cache -- OBSOLETE, DO NOT USE! */
enum { ARMV4_5_CPSR = 31, };
-#define ARMV4_5_COMMON_MAGIC 0x0A450A45
+#define ARM_COMMON_MAGIC 0x0A450A45
/**
* Represents a generic ARM core, with standard application registers.
/** Handle to the SPSR; valid only in core modes with an SPSR. */
struct reg *spsr;
+ /** Support for arm_reg_current() */
const int *map;
/**
* Indicates what registers are in the ARM state core register set.
- * ARMV4_5_MODE_ANY indicates the standard set of 37 registers,
+ * ARM_MODE_ANY indicates the standard set of 37 registers,
* seen on for example ARM7TDMI cores. ARM_MODE_MON indicates three
* more registers are shadowed, for "Secure Monitor" mode.
*/
- enum armv4_5_mode core_type;
+ enum arm_mode core_type;
+
+ /** Record the current core mode: SVC, USR, or some other mode. */
+ enum arm_mode core_mode;
- enum armv4_5_mode core_mode;
- enum armv4_5_state core_state;
+ /** Record the current core state: ARM, Thumb, or otherwise. */
+ enum arm_state core_state;
/** Flag reporting unavailability of the BKPT instruction. */
bool is_armv4;
/* FIXME all these methods should take "struct arm *" not target */
+ /** Retrieve all core registers, for display. */
int (*full_context)(struct target *target);
+
+ /** Retrieve a single core register. */
int (*read_core_reg)(struct target *target, struct reg *reg,
- int num, enum armv4_5_mode mode);
+ int num, enum arm_mode mode);
int (*write_core_reg)(struct target *target, struct reg *reg,
- int num, enum armv4_5_mode mode, uint32_t value);
+ int num, enum arm_mode mode, uint32_t value);
/** Read coprocessor register. */
int (*mrc)(struct target *target, int cpnum,
uint32_t CRn, uint32_t CRm,
uint32_t *value);
- /* Write coprocessor register. */
+ /** Write coprocessor register. */
int (*mcr)(struct target *target, int cpnum,
uint32_t op1, uint32_t op2,
uint32_t CRn, uint32_t CRm,
void *arch_info;
};
-#define target_to_armv4_5 target_to_arm
-
/** Convert target handle to generic ARM target state handle. */
static inline struct arm *target_to_arm(struct target *target)
{
static inline bool is_arm(struct arm *arm)
{
- return arm && arm->common_magic == ARMV4_5_COMMON_MAGIC;
+ return arm && arm->common_magic == ARM_COMMON_MAGIC;
}
-struct armv4_5_algorithm
+struct arm_algorithm
{
int common_magic;
- enum armv4_5_mode core_mode;
- enum armv4_5_state core_state;
+ enum arm_mode core_mode;
+ enum arm_state core_state;
};
struct arm_reg
{
int num;
- enum armv4_5_mode mode;
+ enum arm_mode mode;
struct target *target;
struct arm *armv4_5_common;
uint32_t value;
};
-struct reg_cache* armv4_5_build_reg_cache(struct target *target,
- struct arm *armv4_5_common);
+struct reg_cache *arm_build_reg_cache(struct target *target, struct arm *arm);
int armv4_5_arch_state(struct target *target);
int armv4_5_get_gdb_reg_list(struct target *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 */