#define OPENOCD_TARGET_CORTEX_M_H
#include "armv7m.h"
+#include "helper/bits.h"
#define CORTEX_M_COMMON_MAGIC 0x1A451A45
#define ITM_LAR_KEY 0xC5ACCE55
#define CPUID 0xE000ED00
+
+#define ARM_CPUID_PARTNO_MASK 0xFFF0
+
+#define CORTEX_M23_PARTNO 0xD200
+#define CORTEX_M33_PARTNO 0xD210
+#define CORTEX_M35P_PARTNO 0xD310
+#define CORTEX_M55_PARTNO 0xD220
+
/* Debug Control Block */
#define DCB_DHCSR 0xE000EDF0
#define DCB_DCRSR 0xE000EDF4
#define DCB_DCRDR 0xE000EDF8
#define DCB_DEMCR 0xE000EDFC
+#define DCB_DSCSR 0xE000EE08
-#define DCRSR_WnR (1 << 16)
+#define DCRSR_WnR BIT(16)
#define DWT_CTRL 0xE0001000
#define DWT_CYCCNT 0xE0001004
#define DWT_COMP0 0xE0001020
#define DWT_MASK0 0xE0001024
#define DWT_FUNCTION0 0xE0001028
+#define DWT_DEVARCH 0xE0001FBC
+
+#define DWT_DEVARCH_ARMV8M 0x101A02
#define FP_CTRL 0xE0002000
#define FP_REMAP 0xE0002004
#define TPIU_FFCR 0xE0040304
#define TPIU_FSCR 0xE0040308
+/* Maximum SWO prescaler value. */
+#define TPIU_ACPR_MAX_SWOSCALER 0x1fff
+
/* DCB_DHCSR bit and field definitions */
-#define DBGKEY (0xA05F << 16)
-#define C_DEBUGEN (1 << 0)
-#define C_HALT (1 << 1)
-#define C_STEP (1 << 2)
-#define C_MASKINTS (1 << 3)
-#define S_REGRDY (1 << 16)
-#define S_HALT (1 << 17)
-#define S_SLEEP (1 << 18)
-#define S_LOCKUP (1 << 19)
-#define S_RETIRE_ST (1 << 24)
-#define S_RESET_ST (1 << 25)
+#define DBGKEY (0xA05Ful << 16)
+#define C_DEBUGEN BIT(0)
+#define C_HALT BIT(1)
+#define C_STEP BIT(2)
+#define C_MASKINTS BIT(3)
+#define S_REGRDY BIT(16)
+#define S_HALT BIT(17)
+#define S_SLEEP BIT(18)
+#define S_LOCKUP BIT(19)
+#define S_RETIRE_ST BIT(24)
+#define S_RESET_ST BIT(25)
/* DCB_DEMCR bit and field definitions */
-#define TRCENA (1 << 24)
-#define VC_HARDERR (1 << 10)
-#define VC_INTERR (1 << 9)
-#define VC_BUSERR (1 << 8)
-#define VC_STATERR (1 << 7)
-#define VC_CHKERR (1 << 6)
-#define VC_NOCPERR (1 << 5)
-#define VC_MMERR (1 << 4)
-#define VC_CORERESET (1 << 0)
-
+#define TRCENA BIT(24)
+#define VC_HARDERR BIT(10)
+#define VC_INTERR BIT(9)
+#define VC_BUSERR BIT(8)
+#define VC_STATERR BIT(7)
+#define VC_CHKERR BIT(6)
+#define VC_NOCPERR BIT(5)
+#define VC_MMERR BIT(4)
+#define VC_CORERESET BIT(0)
+
+/* DCB_DSCSR bit and field definitions */
+#define DSCSR_CDS BIT(16)
+
+/* NVIC registers */
#define NVIC_ICTR 0xE000E004
#define NVIC_ISE0 0xE000E100
#define NVIC_ICSR 0xE000ED04
#define NVIC_DFSR 0xE000ED30
#define NVIC_MMFAR 0xE000ED34
#define NVIC_BFAR 0xE000ED38
+#define NVIC_SFSR 0xE000EDE4
+#define NVIC_SFAR 0xE000EDE8
/* NVIC_AIRCR bits */
-#define AIRCR_VECTKEY (0x5FA << 16)
-#define AIRCR_SYSRESETREQ (1 << 2)
-#define AIRCR_VECTCLRACTIVE (1 << 1)
-#define AIRCR_VECTRESET (1 << 0)
+#define AIRCR_VECTKEY (0x5FAul << 16)
+#define AIRCR_SYSRESETREQ BIT(2)
+#define AIRCR_VECTCLRACTIVE BIT(1)
+#define AIRCR_VECTRESET BIT(0)
/* NVIC_SHCSR bits */
-#define SHCSR_BUSFAULTENA (1 << 17)
+#define SHCSR_BUSFAULTENA BIT(17)
/* NVIC_DFSR bits */
#define DFSR_HALTED 1
#define DFSR_BKPT 2
#define DFSR_DWTTRAP 4
#define DFSR_VCATCH 8
+#define DFSR_EXTERNAL 16
#define FPCR_CODE 0
#define FPCR_LITERAL 1
-#define FPCR_REPLACE_REMAP (0 << 30)
-#define FPCR_REPLACE_BKPT_LOW (1 << 30)
-#define FPCR_REPLACE_BKPT_HIGH (2 << 30)
-#define FPCR_REPLACE_BKPT_BOTH (3 << 30)
+#define FPCR_REPLACE_REMAP (0ul << 30)
+#define FPCR_REPLACE_BKPT_LOW (1ul << 30)
+#define FPCR_REPLACE_BKPT_HIGH (2ul << 30)
+#define FPCR_REPLACE_BKPT_BOTH (3ul << 30)
struct cortex_m_fp_comparator {
- int used;
+ bool used;
int type;
uint32_t fpcr_value;
uint32_t fpcr_address;
};
struct cortex_m_dwt_comparator {
- int used;
+ bool used;
uint32_t comp;
uint32_t mask;
uint32_t function;
CORTEX_M_ISRMASK_AUTO,
CORTEX_M_ISRMASK_OFF,
CORTEX_M_ISRMASK_ON,
+ CORTEX_M_ISRMASK_STEPONLY,
};
struct cortex_m_common {
/* Flash Patch and Breakpoint (FPB) */
int fp_num_lit;
int fp_num_code;
- int fp_code_available;
int fp_rev;
- int fpb_enabled;
+ bool fpb_enabled;
struct cortex_m_fp_comparator *fp_comparator_list;
/* Data Watchpoint and Trace (DWT) */
int dwt_num_comp;
int dwt_comp_available;
+ uint32_t dwt_devarch;
struct cortex_m_dwt_comparator *dwt_comparator_list;
struct reg_cache *dwt_cache;
struct armv7m_common armv7m;
int apsel;
+
+ /* Whether this target has the erratum that makes C_MASKINTS not apply to
+ * already pending interrupts */
+ bool maskints_erratum;
};
static inline struct cortex_m_common *
int cortex_m_unset_breakpoint(struct target *target, struct breakpoint *breakpoint);
int cortex_m_add_breakpoint(struct target *target, struct breakpoint *breakpoint);
int cortex_m_remove_breakpoint(struct target *target, struct breakpoint *breakpoint);
-int cortex_m_set_watchpoint(struct target *target, struct watchpoint *watchpoint);
-int cortex_m_unset_watchpoint(struct target *target, struct watchpoint *watchpoint);
int cortex_m_add_watchpoint(struct target *target, struct watchpoint *watchpoint);
int cortex_m_remove_watchpoint(struct target *target, struct watchpoint *watchpoint);
void cortex_m_enable_breakpoints(struct target *target);
void cortex_m_enable_watchpoints(struct target *target);
-void cortex_m_dwt_setup(struct cortex_m_common *cm, struct target *target);
void cortex_m_deinit_target(struct target *target);
int cortex_m_profiling(struct target *target, uint32_t *samples,
uint32_t max_num_samples, uint32_t *num_samples, uint32_t seconds);
projects / fw / openocd / blobdiff