more changes to dsp563xx code
Hello, this patch adds the missing cpu registers and the correct read/write register functions and fixed most of the halt/step/resume issues. The complete missing error propagation was added. + fix tab/spaces Regards, Mathias
This commit is contained in:
Mathias K
Øyvind Harboe
parent
b0bdc4e2f2
commit
75cdbff5aa
File diff suppressed because it is too large
Load Diff
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@ -1,5 +1,5 @@
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/***************************************************************************
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* Copyright (C) 2009 by Mathias Kuester *
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* Copyright (C) 2009-2011 by Mathias Kuester *
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* mkdorg@users.sourceforge.net *
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* *
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* This program is free software; you can redistribute it and/or modify *
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@ -21,8 +21,10 @@
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#define DSP563XX_H
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#include <jtag/jtag.h>
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#include <target/dsp563xx_once.h>
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#define DSP563XX_NUMCOREREGS 44
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#define DSP563XX_NUMCOREREGS 54
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#define DSP563XX_NUMONCEREGS 25
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struct mcu_jtag
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{
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@ -42,6 +44,7 @@ struct dsp563xx_common
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struct mcu_jtag jtag_info;
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struct reg_cache *core_cache;
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uint32_t core_regs[DSP563XX_NUMCOREREGS];
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struct once_reg once_regs[DSP563XX_NUMONCEREGS];
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struct dsp563xx_pipeline_context pipeline_context;
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@ -55,8 +58,8 @@ struct dsp563xx_core_reg
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uint32_t num;
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const char *name;
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uint32_t size;
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uint32_t r_cmd;
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uint32_t w_cmd;
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uint8_t eame;
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uint32_t instr_mask;
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struct target *target;
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struct dsp563xx_common *dsp563xx_common;
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};
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@ -66,11 +69,4 @@ static inline struct dsp563xx_common *target_to_dsp563xx(struct target *target)
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return target->arch_info;
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}
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int dsp563xx_write_dr_u8(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out,
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int dr_len, int rti);
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int dsp563xx_write_dr_u32(struct jtag_tap *tap, uint32_t * ir_in, uint32_t ir_out,
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int dr_len, int rti);
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int dsp563xx_execute_queue(void);
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#endif /* DSP563XX_H */
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@ -29,74 +29,295 @@
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#include "dsp563xx.h"
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#include "dsp563xx_once.h"
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/** single word instruction */
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static int dsp563xx_once_ir_exec(struct jtag_tap *tap, uint8_t instr, uint8_t rw,
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uint8_t go, uint8_t ex)
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#define JTAG_STATUS_NORMAL 0x01
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#define JTAG_STATUS_STOPWAIT 0x05
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#define JTAG_STATUS_BUSY 0x09
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#define JTAG_STATUS_DEBUG 0x0d
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#define JTAG_INSTR_EXTEST 0x00
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#define JTAG_INSTR_SAMPLE_PRELOAD 0x01
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#define JTAG_INSTR_IDCODE 0x02
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#define JTAG_INSTR_CLAMP 0x03
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#define JTAG_INSTR_HIZ 0x04
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#define JTAG_INSTR_ENABLE_ONCE 0x06
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#define JTAG_INSTR_DEBUG_REQUEST 0x07
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#define JTAG_INSTR_BYPASS 0x0F
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static int dsp563xx_write_dr(struct jtag_tap *tap, uint8_t * dr_in, uint8_t * dr_out, int dr_len, int rti)
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{
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dsp563xx_write_dr_u8(tap, 0,
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instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0);
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dsp563xx_execute_queue();
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if (NULL == tap)
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{
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LOG_ERROR("invalid tap");
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return ERROR_FAIL;
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}
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jtag_add_plain_dr_scan(dr_len, dr_out, dr_in, TAP_IDLE);
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return ERROR_OK;
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}
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/** single word instruction */
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static int dsp563xx_once_ir_exec_nq(struct jtag_tap *tap, uint8_t instr, uint8_t rw,
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uint8_t go, uint8_t ex)
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static int dsp563xx_write_dr_u8(struct jtag_tap *tap, uint8_t * dr_in, uint8_t dr_out, int dr_len, int rti)
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{
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dsp563xx_write_dr_u8(tap, 0,
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instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0);
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if (dr_len > 8)
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{
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LOG_ERROR("dr_len overflow, maxium is 8");
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return ERROR_FAIL;
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}
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return dsp563xx_write_dr(tap, dr_in, &dr_out, dr_len, rti);
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}
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static int dsp563xx_write_dr_u32(struct jtag_tap *tap, uint32_t * dr_in, uint32_t dr_out, int dr_len, int rti)
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{
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if (dr_len > 32)
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{
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LOG_ERROR("dr_len overflow, maxium is 32");
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return ERROR_FAIL;
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}
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return dsp563xx_write_dr(tap, (uint8_t *) dr_in, (uint8_t *) & dr_out, dr_len, rti);
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}
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/** single word instruction */
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static int dsp563xx_once_ir_exec(struct jtag_tap *tap, uint8_t instr, uint8_t rw, uint8_t go, uint8_t ex)
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{
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int err;
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if ((err = dsp563xx_write_dr_u8(tap, 0, instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0)) != ERROR_OK)
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return err;
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return jtag_execute_queue();
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}
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/** single word instruction */
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static int dsp563xx_once_ir_exec_nq(struct jtag_tap *tap, uint8_t instr, uint8_t rw, uint8_t go, uint8_t ex)
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{
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return dsp563xx_write_dr_u8(tap, 0, instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0);
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}
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/* IR and DR functions */
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static int dsp563xx_write_ir(struct jtag_tap *tap, uint8_t * ir_in, uint8_t * ir_out, int ir_len, int rti)
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{
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if (NULL == tap)
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{
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LOG_ERROR("invalid tap");
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return ERROR_FAIL;
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}
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if (ir_len != tap->ir_length)
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{
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LOG_ERROR("invalid ir_len");
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return ERROR_FAIL;
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}
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jtag_add_plain_ir_scan(tap->ir_length, ir_out, ir_in, TAP_IDLE);
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return ERROR_OK;
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}
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static int dsp563xx_write_ir_u8(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out, int ir_len, int rti)
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{
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if (ir_len > 8)
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{
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LOG_ERROR("ir_len overflow, maxium is 8");
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return ERROR_FAIL;
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}
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return dsp563xx_write_ir(tap, ir_in, &ir_out, ir_len, rti);
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}
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static int dsp563xx_jtag_sendinstr(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out)
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{
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return dsp563xx_write_ir_u8(tap, ir_in, ir_out, tap->ir_length, 1);
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}
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/** */
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int dsp563xx_once_target_status(struct jtag_tap *tap)
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{
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int err;
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uint8_t jtag_status;
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if ((err = dsp563xx_jtag_sendinstr(tap, &jtag_status, JTAG_INSTR_ENABLE_ONCE)) != ERROR_OK)
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return err;
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if ((err = jtag_execute_queue()) != ERROR_OK)
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return err;
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if ((jtag_status & 1) != 1)
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{
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return TARGET_UNKNOWN;
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}
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if (jtag_status != JTAG_STATUS_DEBUG)
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{
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return TARGET_RUNNING;
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}
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return TARGET_HALTED;
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}
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/** */
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int dsp563xx_once_request_debug(struct jtag_tap *tap, int reset_state)
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{
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int err;
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uint8_t ir_in = 0, pattern = 0;
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uint32_t retry = 0;
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/* in reset state we only get a ACK
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* from the interface */
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if (reset_state)
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{
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pattern = 1;
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}
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else
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{
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pattern = JTAG_STATUS_DEBUG;
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}
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/* wait until we get the ack */
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while (ir_in != pattern)
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{
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if ((err = dsp563xx_jtag_sendinstr(tap, &ir_in, JTAG_INSTR_DEBUG_REQUEST)) != ERROR_OK)
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return err;
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if ((err = jtag_execute_queue()) != ERROR_OK)
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return err;
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LOG_DEBUG("debug request: %02X", ir_in);
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if (retry++ == 100)
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{
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return ERROR_TARGET_FAILURE;
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}
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}
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/* we cant enable the once in reset state */
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if (pattern == 1)
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{
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return ERROR_OK;
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}
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/* try to enable once */
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retry = 0;
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ir_in = 0;
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while (ir_in != pattern)
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{
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if ((err = dsp563xx_jtag_sendinstr(tap, &ir_in, JTAG_INSTR_ENABLE_ONCE)) != ERROR_OK)
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return err;
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if ((err = jtag_execute_queue()) != ERROR_OK)
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return err;
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LOG_DEBUG("enable once: %02X", ir_in);
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if (retry++ == 100)
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{
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LOG_DEBUG("error");
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return ERROR_TARGET_FAILURE;
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}
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}
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if (ir_in != JTAG_STATUS_DEBUG)
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{
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return ERROR_TARGET_FAILURE;
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}
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return ERROR_OK;
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}
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/** once read registers */
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int dsp563xx_once_read_register(struct jtag_tap *tap, struct once_reg *regs, int len)
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{
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int i;
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int err;
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for (i = 0; i < len; i++)
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{
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if ((err = dsp563xx_once_reg_read_ex_nq(tap, regs[i].addr, regs[i].len, ®s[i].reg)) != ERROR_OK)
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return err;
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}
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return jtag_execute_queue();
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/*
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for(i=0;i<len;i++)
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{
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printf("%08X\n",regs[i].reg);
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}
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*/
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}
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/** once read register */
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int dsp563xx_once_reg_read_ex_nq(struct jtag_tap *tap, uint8_t reg, uint8_t len, uint32_t * data)
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{
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int err;
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if ((err = dsp563xx_once_ir_exec(tap, reg, 1, 0, 0)) != ERROR_OK)
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return err;
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return dsp563xx_write_dr_u32(tap, data, 0x00, len, 0);
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}
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/** once read register */
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int dsp563xx_once_reg_read_ex(struct jtag_tap *tap, uint8_t reg, uint8_t len, uint32_t * data)
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{
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int err;
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if ((err = dsp563xx_once_ir_exec(tap, reg, 1, 0, 0)) != ERROR_OK)
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return err;
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if ((err = dsp563xx_write_dr_u32(tap, data, 0x00, len, 0)) != ERROR_OK)
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return err;
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return jtag_execute_queue();
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}
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/** once read register */
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int dsp563xx_once_reg_read(struct jtag_tap *tap, uint8_t reg, uint32_t * data)
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{
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uint32_t dr_in;
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int err;
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dr_in = 0;
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dsp563xx_once_ir_exec(tap, reg, 1, 0, 0);
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dsp563xx_write_dr_u32(tap, &dr_in, 0x00, 24, 0);
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dsp563xx_execute_queue();
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*data = dr_in;
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return ERROR_OK;
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if ((err = dsp563xx_once_ir_exec(tap, reg, 1, 0, 0)) != ERROR_OK)
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return err;
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if ((err = dsp563xx_write_dr_u32(tap, data, 0x00, 24, 0)) != ERROR_OK)
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return err;
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return jtag_execute_queue();
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}
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/** once write register */
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int dsp563xx_once_reg_write(struct jtag_tap *tap, uint8_t reg, uint32_t data)
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{
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dsp563xx_once_ir_exec(tap, reg, 0, 0, 0);
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dsp563xx_write_dr_u32(tap, 0x00, data, 24, 0);
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dsp563xx_execute_queue();
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int err;
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return ERROR_OK;
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if ((err = dsp563xx_once_ir_exec(tap, reg, 0, 0, 0)) != ERROR_OK)
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return err;
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if ((err = dsp563xx_write_dr_u32(tap, 0x00, data, 24, 0)) != ERROR_OK)
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return err;
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return jtag_execute_queue();
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}
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/** single word instruction */
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int dsp563xx_once_execute_sw_ir(struct jtag_tap *tap, uint32_t opcode)
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{
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dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0);
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dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
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dsp563xx_execute_queue();
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int err;
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return ERROR_OK;
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if ((err = dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0)) != ERROR_OK)
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return err;
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if ((err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0)) != ERROR_OK)
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return err;
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return jtag_execute_queue();
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}
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/** double word instruction */
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int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, uint32_t opcode,
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uint32_t operand)
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int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, uint32_t opcode, uint32_t operand)
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{
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dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 0, 0);
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dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
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dsp563xx_execute_queue();
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int err;
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dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0);
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dsp563xx_write_dr_u32(tap, 0, operand, 24, 0);
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dsp563xx_execute_queue();
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if ((err = dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 0, 0)) != ERROR_OK)
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return err;
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if ((err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0)) != ERROR_OK)
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return err;
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if ((err = jtag_execute_queue()) != ERROR_OK)
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return err;
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if ((err = dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0)) != ERROR_OK)
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return err;
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if ((err = dsp563xx_write_dr_u32(tap, 0, operand, 24, 0)) != ERROR_OK)
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return err;
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if ((err = jtag_execute_queue()) != ERROR_OK)
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return err;
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return ERROR_OK;
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}
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@ -104,21 +325,29 @@ int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, uint32_t opcode,
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/** single word instruction */
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int dsp563xx_once_execute_sw_ir_nq(struct jtag_tap *tap, uint32_t opcode)
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{
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dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0);
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dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
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int err;
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if ((err = dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0)) != ERROR_OK)
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return err;
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if ((err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0)) != ERROR_OK)
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return err;
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return ERROR_OK;
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}
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/** double word instruction */
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int dsp563xx_once_execute_dw_ir_nq(struct jtag_tap *tap, uint32_t opcode,
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uint32_t operand)
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int dsp563xx_once_execute_dw_ir_nq(struct jtag_tap *tap, uint32_t opcode, uint32_t operand)
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{
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dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 0, 0);
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dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
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int err;
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dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0);
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dsp563xx_write_dr_u32(tap, 0, operand, 24, 0);
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if ((err = dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 0, 0)) != ERROR_OK)
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return err;
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if ((err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0)) != ERROR_OK)
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return err;
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if ((err = dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0)) != ERROR_OK)
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return err;
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if ((err = dsp563xx_write_dr_u32(tap, 0, operand, 24, 0)) != ERROR_OK)
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return err;
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return ERROR_OK;
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}
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@ -54,9 +54,29 @@
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#define DSP563XX_ONCE_OPABFR 0x00F /* pab fetch reg */
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#define DSP563XX_ONCE_OPABDR 0x010 /* pab decode reg */
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#define DSP563XX_ONCE_OPABEX 0x011 /* pab exec reg */
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#define DSP563XX_ONCE_OPABEX 0x011 /* trace buffer/inc ptr */
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#define DSP563XX_ONCE_OPABF11 0x012 /* trace buffer/inc ptr */
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#define DSP563XX_ONCE_NOREG 0x01F /* no register selected */
|
||||
|
||||
struct once_reg
|
||||
{
|
||||
uint8_t num;
|
||||
uint8_t addr;
|
||||
uint8_t len;
|
||||
const char *name;
|
||||
uint32_t reg;
|
||||
};
|
||||
|
||||
/** */
|
||||
int dsp563xx_once_request_debug(struct jtag_tap *tap, int reset_state);
|
||||
/** */
|
||||
int dsp563xx_once_target_status(struct jtag_tap *tap);
|
||||
|
||||
/** once read registers */
|
||||
int dsp563xx_once_read_register(struct jtag_tap *tap, struct once_reg *regs, int len);
|
||||
/** once read register */
|
||||
int dsp563xx_once_reg_read_ex_nq(struct jtag_tap *tap, uint8_t reg, uint8_t len, uint32_t * data);
|
||||
/** once read register */
|
||||
int dsp563xx_once_reg_read_ex(struct jtag_tap *tap, uint8_t reg, uint8_t len, uint32_t * data);
|
||||
/** once read register */
|
||||
int dsp563xx_once_reg_read(struct jtag_tap *tap, uint8_t reg, uint32_t * data);
|
||||
/** once write register */
|
||||
|
|
@ -64,12 +84,10 @@ int dsp563xx_once_reg_write(struct jtag_tap *tap, uint8_t reg, uint32_t data);
|
|||
/** single word instruction */
|
||||
int dsp563xx_once_execute_sw_ir(struct jtag_tap *tap, uint32_t opcode);
|
||||
/** double word instruction */
|
||||
int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, uint32_t opcode,
|
||||
uint32_t operand);
|
||||
int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, uint32_t opcode, uint32_t operand);
|
||||
/** single word instruction */
|
||||
int dsp563xx_once_execute_sw_ir_nq(struct jtag_tap *tap, uint32_t opcode);
|
||||
/** double word instruction */
|
||||
int dsp563xx_once_execute_dw_ir_nq(struct jtag_tap *tap, uint32_t opcode,
|
||||
uint32_t operand);
|
||||
int dsp563xx_once_execute_dw_ir_nq(struct jtag_tap *tap, uint32_t opcode, uint32_t operand);
|
||||
|
||||
#endif /* DSP563XX_ONCE_H */
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user