Your Name
94 lines
2.4 KiB
C
Executable File
94 lines
2.4 KiB
C
Executable File
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2005 by Dominic Rath
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* Dominic.Rath@gmx.de
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*
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* Copyright (C) 2007-2010 Øyvind Harboe
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* oyvind.harboe@zylin.com
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*/
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#ifndef SVF_H
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#define SVF_H
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#include <stdint.h>
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/*-----</Macros>-------------------------------------------------*/
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/**
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* Defines JTAG Test Access Port states.
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*
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* These definitions were gleaned from the ARM7TDMI-S Technical
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* Reference Manual and validated against several other ARM core
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* technical manuals.
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*
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* FIXME some interfaces require specific numbers be used, as they
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* are handed-off directly to their hardware implementations.
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* Fix those drivers to map as appropriate ... then pick some
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* sane set of numbers here (where 0/uninitialized == INVALID).
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*/
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typedef enum tap_state {
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TAP_INVALID = -1,
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/* Proper ARM recommended numbers */
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TAP_DREXIT2 = 0x0,
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TAP_DREXIT1 = 0x1,
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TAP_DRSHIFT = 0x2,
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TAP_DRPAUSE = 0x3,
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TAP_IRSELECT = 0x4,
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TAP_DRUPDATE = 0x5,
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TAP_DRCAPTURE = 0x6,
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TAP_DRSELECT = 0x7,
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TAP_IREXIT2 = 0x8,
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TAP_IREXIT1 = 0x9,
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TAP_IRSHIFT = 0xa,
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TAP_IRPAUSE = 0xb,
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TAP_IDLE = 0xc,
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TAP_IRUPDATE = 0xd,
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TAP_IRCAPTURE = 0xe,
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TAP_RESET = 0x0f,
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} tap_state_t;
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/**
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* Defines arguments for reset functions
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*/
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#define SRST_DEASSERT 0
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#define SRST_ASSERT 1
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#define TRST_DEASSERT 0
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#define TRST_ASSERT 1
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/**
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* Function tap_state_name
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* Returns a string suitable for display representing the JTAG tap_state
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*/
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const char *tap_state_name(tap_state_t state);
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/** Provides user-friendly name lookup of TAP states. */
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tap_state_t tap_state_by_name(const char *name);
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/** The current TAP state of the pending JTAG command queue. */
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extern tap_state_t cmd_queue_cur_state;
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/**
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* This structure defines a single scan field in the scan. It provides
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* fields for the field's width and pointers to scan input and output
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* values.
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*
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* In addition, this structure includes a value and mask that is used by
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* jtag_add_dr_scan_check() to validate the value that was scanned out.
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*/
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struct scan_field {
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/** The number of bits this field specifies */
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int num_bits;
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/** A pointer to value to be scanned into the device */
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const uint8_t *out_value;
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/** A pointer to a 32-bit memory location for data scanned out */
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uint8_t *in_value;
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/** The value used to check the data scanned out. */
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uint8_t *check_value;
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/** The mask to go with check_value */
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uint8_t *check_mask;
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};
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int handle_svf_command(char *filename);
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#endif /* SVF_H */
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