+#ifndef OPENOCD_TARGET_ARM_JTAG_H
+#define OPENOCD_TARGET_ARM_JTAG_H
+
+#include <jtag/jtag.h>
+#include <helper/bits.h>
+
+struct arm_jtag {
+ struct jtag_tap *tap;
+
+ uint32_t scann_size;
+ uint32_t scann_instr;
+ uint32_t cur_scan_chain;
+
+ uint32_t intest_instr;
+};
+
+int arm_jtag_set_instr_inner(struct jtag_tap *tap, uint32_t new_instr,
+ void *no_verify_capture,
+ tap_state_t end_state);
+
+static inline int arm_jtag_set_instr(struct jtag_tap *tap,
+ uint32_t new_instr, void *no_verify_capture, tap_state_t end_state)
+{
+ /* inline most common code path */
+ if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != (new_instr & (BIT(tap->ir_length) - 1)))
+ return arm_jtag_set_instr_inner(tap, new_instr, no_verify_capture, end_state);
+
+ return ERROR_OK;
+
+}
+
+int arm_jtag_scann_inner(struct arm_jtag *jtag_info, uint32_t new_scan_chain, tap_state_t end_state);
+static inline int arm_jtag_scann(struct arm_jtag *jtag_info, uint32_t new_scan_chain, tap_state_t end_state)
+{
+ /* inline most common code path */
+ int retval = ERROR_OK;
+ if (jtag_info->cur_scan_chain != new_scan_chain)
+ return arm_jtag_scann_inner(jtag_info, new_scan_chain, end_state);
+
+ return retval;
+}
+
+int arm_jtag_setup_connection(struct arm_jtag *jtag_info);
+int arm_jtag_close_connection(struct arm_jtag *jtag_info);
+
+/* use this as a static so we can inline it in -O3 and refer to it via a pointer */
+static inline void arm7flip32(jtag_callback_data_t arg)
+{
+ uint8_t *in = (uint8_t *)arg;
+ *((uint32_t *)arg) = flip_u32(le_to_h_u32(in), 32);
+}