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/* SPDX-License-Identifier: GPL-2.0-or-later */
/***************************************************************************
* Copyright (C) 2008 digenius technology GmbH. *
* Michael Bruck *
* *
* Copyright (C) 2008 Georg Acher <acher@in.tum.de> *
***************************************************************************/
#ifndef OPENOCD_TARGET_ARM11_H
#define OPENOCD_TARGET_ARM11_H
#include "arm.h"
#include "arm_dpm.h"
#define ARM11_TAP_DEFAULT TAP_INVALID
#define CHECK_RETVAL(action) \
do { \
int __retval = (action); \
if (__retval != ERROR_OK) { \
LOG_DEBUG("error while calling \"%s\"", \
# action); \
return __retval; \
} \
} while (0)
/* bits from ARMv7 DIDR */
enum arm11_debug_version {
ARM11_DEBUG_V6 = 0x01,
ARM11_DEBUG_V61 = 0x02,
ARM11_DEBUG_V7 = 0x03,
ARM11_DEBUG_V7_CP14 = 0x04,
};
struct arm11_common {
struct arm arm;
/** Debug module state. */
struct arm_dpm dpm;
struct arm11_sc7_action *bpwp_actions;
unsigned bpwp_n;
size_t brp; /**< Number of Breakpoint Register Pairs from DIDR */
size_t free_brps; /**< Number of breakpoints allocated */
uint32_t dscr; /**< Last retrieved DSCR value. */
uint32_t saved_rdtr;
uint32_t saved_wdtr;
bool is_rdtr_saved;
bool is_wdtr_saved;
bool simulate_reset_on_next_halt; /**< Perform cleanups of the ARM state on next halt **/
/* Per-core configurable options.
* NOTE that several of these boolean options should not exist
* once the relevant code is known to work correctly.
*/
bool memwrite_burst;
bool memwrite_error_fatal;
bool step_irq_enable;
bool hardware_step;
/** Configured Vector Catch Register settings. */
uint32_t vcr;
struct arm_jtag jtag_info;
};
static inline struct arm11_common *target_to_arm11(struct target *target)
{
return container_of(target->arch_info, struct arm11_common, arm);
}
/**
* ARM11 DBGTAP instructions
*
* http://infocenter.arm.com/help/topic/com.arm.doc.ddi0301f/I1006229.html
*/
enum arm11_instructions {
ARM11_EXTEST = 0x00,
ARM11_SCAN_N = 0x02,
ARM11_RESTART = 0x04,
ARM11_HALT = 0x08,
ARM11_INTEST = 0x0C,
ARM11_ITRSEL = 0x1D,
ARM11_IDCODE = 0x1E,
ARM11_BYPASS = 0x1F,
};
enum arm11_sc7 {
ARM11_SC7_NULL = 0,
ARM11_SC7_VCR = 7,
ARM11_SC7_PC = 8,
ARM11_SC7_BVR0 = 64,
ARM11_SC7_BCR0 = 80,
ARM11_SC7_WVR0 = 96,
ARM11_SC7_WCR0 = 112,
};
#endif /* OPENOCD_TARGET_ARM11_H */
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