/***************************************************************************
* Copyright (C) 2008 digenius technology GmbH. *
+ * Michael Bruck *
* *
- * Copyright (C) 2008 Oyvind Harboe oyvind.harboe@zylin.com *
+ * Copyright (C) 2008,2009 Oyvind Harboe oyvind.harboe@zylin.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
#include "config.h"
#endif
-#include "arm11.h"
-#include "jtag.h"
-#include "log.h"
+#include "arm_jtag.h"
+#include "arm11_dbgtap.h"
-#include <stdlib.h>
-#include <string.h>
+#include "time_support.h"
#if 0
-#define JTAG_DEBUG(expr ...) DEBUG(expr)
+#define JTAG_DEBUG(expr ...) do { if (1) LOG_DEBUG(expr); } while (0)
#else
-#define JTAG_DEBUG(expr ...) do {} while(0)
+#define JTAG_DEBUG(expr ...) do { if (0) LOG_DEBUG(expr); } while (0)
#endif
/*
Conversely there may be other places in this code where the ARM11 code relies
on the driver to hit through RTI when coming from Update-?R.
*/
-tap_state_t arm11_move_pi_to_si_via_ci[] =
+static const tap_state_t arm11_move_pi_to_si_via_ci[] =
{
TAP_IREXIT2, TAP_IRUPDATE, TAP_DRSELECT, TAP_IRSELECT, TAP_IRCAPTURE, TAP_IRSHIFT
};
-int arm11_add_ir_scan_vc(int num_fields, scan_field_t *fields, tap_state_t state)
+static int arm11_add_ir_scan_vc(int num_fields, struct scan_field *fields,
+ tap_state_t state)
{
if (cmd_queue_cur_state == TAP_IRPAUSE)
- jtag_add_pathmove(asizeof(arm11_move_pi_to_si_via_ci), arm11_move_pi_to_si_via_ci);
+ jtag_add_pathmove(ARRAY_SIZE(arm11_move_pi_to_si_via_ci), arm11_move_pi_to_si_via_ci);
jtag_add_ir_scan(num_fields, fields, state);
return ERROR_OK;
}
-tap_state_t arm11_move_pd_to_sd_via_cd[] =
+static const tap_state_t arm11_move_pd_to_sd_via_cd[] =
{
TAP_DREXIT2, TAP_DRUPDATE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DRSHIFT
};
-int arm11_add_dr_scan_vc(int num_fields, scan_field_t *fields, tap_state_t state)
+int arm11_add_dr_scan_vc(int num_fields, struct scan_field *fields, tap_state_t state)
{
if (cmd_queue_cur_state == TAP_DRPAUSE)
- jtag_add_pathmove(asizeof(arm11_move_pd_to_sd_via_cd), arm11_move_pd_to_sd_via_cd);
+ jtag_add_pathmove(ARRAY_SIZE(arm11_move_pd_to_sd_via_cd), arm11_move_pd_to_sd_via_cd);
jtag_add_dr_scan(num_fields, fields, state);
return ERROR_OK;
}
-/** Code de-clutter: Construct scan_field_t to write out a value
+/** Code de-clutter: Construct struct scan_field to write out a value
*
* \param arm11 Target state variable.
* \param num_bits Length of the data field
* \param out_data pointer to the data that will be sent out
- * <em>(data is read when it is added to the JTAG queue)</em>
+ * <em > (data is read when it is added to the JTAG queue)</em>
* \param in_data pointer to the memory that will receive data that was clocked in
- * <em>(data is written when the JTAG queue is executed)</em>
+ * <em > (data is written when the JTAG queue is executed)</em>
* \param field target data structure that will be initialized
*/
-void arm11_setup_field(arm11_common_t * arm11, int num_bits, void * out_data, void * in_data, scan_field_t * field)
+void arm11_setup_field(struct arm11_common * arm11, int num_bits, void * out_data, void * in_data, struct scan_field * field)
{
- field->tap = arm11->jtag_info.tap;
+ field->tap = arm11->arm.target->tap;
field->num_bits = num_bits;
- field->out_mask = NULL;
- field->in_check_mask = NULL;
- field->in_check_value = NULL;
- field->in_handler = NULL;
- field->in_handler_priv = NULL;
-
field->out_value = out_data;
field->in_value = in_data;
}
*
* \remarks This adds to the JTAG command queue but does \em not execute it.
*/
-void arm11_add_IR(arm11_common_t * arm11, u8 instr, tap_state_t state)
+void arm11_add_IR(struct arm11_common * arm11, uint8_t instr, tap_state_t state)
{
- jtag_tap_t *tap;
- tap = arm11->jtag_info.tap;
+ struct jtag_tap *tap = arm11->arm.target->tap;
if (buf_get_u32(tap->cur_instr, 0, 5) == instr)
{
JTAG_DEBUG("IR <= 0x%02x", instr);
- scan_field_t field;
+ struct scan_field field;
arm11_setup_field(arm11, 5, &instr, NULL, &field);
}
/** Verify shifted out data from Scan Chain Register (SCREG)
- * Used as parameter to scan_field_t::in_handler in
+ * Used as parameter to struct scan_field::in_handler in
* arm11_add_debug_SCAN_N().
*
*/
-static int arm11_in_handler_SCAN_N(u8 *in_value, void *priv, struct scan_field_s *field)
+static void arm11_in_handler_SCAN_N(uint8_t *in_value)
{
- /** \todo TODO: clarify why this isnt properly masked in jtag.c jtag_read_buffer() */
- u8 v = *in_value & 0x1F;
+ /** \todo TODO: clarify why this isnt properly masked in core.c jtag_read_buffer() */
+ uint8_t v = *in_value & 0x1F;
if (v != 0x10)
{
LOG_ERROR("'arm11 target' JTAG communication error SCREG SCAN OUT 0x%02x (expected 0x10)", v);
- return ERROR_FAIL;
+ jtag_set_error(ERROR_FAIL);
}
JTAG_DEBUG("SCREG SCAN OUT 0x%02x", v);
- return ERROR_OK;
}
/** Select and write to Scan Chain Register (SCREG)
* \remarks This adds to the JTAG command queue but does \em not execute it.
*/
-void arm11_add_debug_SCAN_N(arm11_common_t * arm11, u8 chain, tap_state_t state)
+int arm11_add_debug_SCAN_N(struct arm11_common * arm11, uint8_t chain, tap_state_t state)
{
JTAG_DEBUG("SCREG <= 0x%02x", chain);
arm11_add_IR(arm11, ARM11_SCAN_N, ARM11_TAP_DEFAULT);
- scan_field_t field;
-
- arm11_setup_field(arm11, 5, &chain, NULL, &field);
+ struct scan_field field;
- field.in_handler = arm11_in_handler_SCAN_N;
+ uint8_t tmp[1];
+ arm11_setup_field(arm11, 5, &chain, &tmp, &field);
arm11_add_dr_scan_vc(1, &field, state == ARM11_TAP_DEFAULT ? TAP_DRPAUSE : state);
+
+ jtag_execute_queue_noclear();
+
+ arm11_in_handler_SCAN_N(tmp);
+
+ arm11->jtag_info.cur_scan_chain = chain;
+
+ return jtag_execute_queue();
}
/** Write an instruction into the ITR register
*
* \remarks This adds to the JTAG command queue but does \em not execute it.
*/
-void arm11_add_debug_INST(arm11_common_t * arm11, u32 inst, u8 * flag, tap_state_t state)
+static void arm11_add_debug_INST(struct arm11_common * arm11,
+ uint32_t inst, uint8_t * flag, tap_state_t state)
{
- JTAG_DEBUG("INST <= 0x%08x", inst);
+ JTAG_DEBUG("INST <= 0x%08x", (unsigned) inst);
- scan_field_t itr[2];
+ struct scan_field itr[2];
arm11_setup_field(arm11, 32, &inst, NULL, itr + 0);
arm11_setup_field(arm11, 1, NULL, flag, itr + 1);
- arm11_add_dr_scan_vc(asizeof(itr), itr, state == ARM11_TAP_DEFAULT ? TAP_IDLE : state);
+ arm11_add_dr_scan_vc(ARRAY_SIZE(itr), itr, state == ARM11_TAP_DEFAULT ? TAP_IDLE : state);
}
-/** Read the Debug Status and Control Register (DSCR)
- *
- * same as CP14 c1
+/**
+ * Read and save the Debug Status and Control Register (DSCR).
*
* \param arm11 Target state variable.
- * \return DSCR content
+ * \return Error status; arm11->dscr is updated on success.
*
- * \remarks This is a stand-alone function that executes the JTAG command queue.
+ * \remarks This is a stand-alone function that executes the JTAG
+ * command queue. It does not require the ARM11 debug TAP to be
+ * in any particular state.
*/
-int arm11_read_DSCR(arm11_common_t * arm11, u32 *value)
+int arm11_read_DSCR(struct arm11_common *arm11)
{
- arm11_add_debug_SCAN_N(arm11, 0x01, ARM11_TAP_DEFAULT);
+ int retval;
+
+ retval = arm11_add_debug_SCAN_N(arm11, 0x01, ARM11_TAP_DEFAULT);
+ if (retval != ERROR_OK)
+ return retval;
arm11_add_IR(arm11, ARM11_INTEST, ARM11_TAP_DEFAULT);
- u32 dscr;
- scan_field_t chain1_field;
+ uint32_t dscr;
+ struct scan_field chain1_field;
arm11_setup_field(arm11, 32, NULL, &dscr, &chain1_field);
CHECK_RETVAL(jtag_execute_queue());
- if (arm11->last_dscr != dscr)
- JTAG_DEBUG("DSCR = %08x (OLD %08x)", dscr, arm11->last_dscr);
+ if (arm11->dscr != dscr)
+ JTAG_DEBUG("DSCR = %08x (OLD %08x)",
+ (unsigned) dscr,
+ (unsigned) arm11->dscr);
- arm11->last_dscr = dscr;
-
- *value=dscr;
+ arm11->dscr = dscr;
return ERROR_OK;
}
*
* \remarks This is a stand-alone function that executes the JTAG command queue.
*/
-int arm11_write_DSCR(arm11_common_t * arm11, u32 dscr)
+int arm11_write_DSCR(struct arm11_common * arm11, uint32_t dscr)
{
- arm11_add_debug_SCAN_N(arm11, 0x01, ARM11_TAP_DEFAULT);
+ int retval;
+ retval = arm11_add_debug_SCAN_N(arm11, 0x01, ARM11_TAP_DEFAULT);
+ if (retval != ERROR_OK)
+ return retval;
arm11_add_IR(arm11, ARM11_EXTEST, ARM11_TAP_DEFAULT);
- scan_field_t chain1_field;
+ struct scan_field chain1_field;
arm11_setup_field(arm11, 32, &dscr, NULL, &chain1_field);
CHECK_RETVAL(jtag_execute_queue());
- JTAG_DEBUG("DSCR <= %08x (OLD %08x)", dscr, arm11->last_dscr);
+ JTAG_DEBUG("DSCR <= %08x (OLD %08x)",
+ (unsigned) dscr,
+ (unsigned) arm11->dscr);
- arm11->last_dscr = dscr;
+ arm11->dscr = dscr;
return ERROR_OK;
}
* \return Debug reason
*
*/
-enum target_debug_reason arm11_get_DSCR_debug_reason(u32 dscr)
+enum target_debug_reason arm11_get_DSCR_debug_reason(uint32_t dscr)
{
switch (dscr & ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_MASK)
{
* \param arm11 Target state variable.
*
*/
-void arm11_run_instr_data_prepare(arm11_common_t * arm11)
+int arm11_run_instr_data_prepare(struct arm11_common * arm11)
{
- arm11_add_debug_SCAN_N(arm11, 0x05, ARM11_TAP_DEFAULT);
+ return arm11_add_debug_SCAN_N(arm11, 0x05, ARM11_TAP_DEFAULT);
}
/** Cleanup after ITR/DTR operations
* \param arm11 Target state variable.
*
*/
-void arm11_run_instr_data_finish(arm11_common_t * arm11)
+int arm11_run_instr_data_finish(struct arm11_common * arm11)
{
- arm11_add_debug_SCAN_N(arm11, 0x00, ARM11_TAP_DEFAULT);
+ return arm11_add_debug_SCAN_N(arm11, 0x00, ARM11_TAP_DEFAULT);
}
+
/** Execute one or multiple instructions via ITR
*
* \pre arm11_run_instr_data_prepare() / arm11_run_instr_data_finish() block
* \param count Number of opcodes to execute
*
*/
-int arm11_run_instr_no_data(arm11_common_t * arm11, u32 * opcode, size_t count)
+static
+int arm11_run_instr_no_data(struct arm11_common * arm11,
+ uint32_t * opcode, size_t count)
{
arm11_add_IR(arm11, ARM11_ITRSEL, ARM11_TAP_DEFAULT);
{
arm11_add_debug_INST(arm11, *opcode++, NULL, TAP_IDLE);
+ int i = 0;
while (1)
{
- u8 flag;
+ uint8_t flag;
arm11_add_debug_INST(arm11, 0, &flag, count ? TAP_IDLE : TAP_DRPAUSE);
if (flag)
break;
+
+ long long then = 0;
+
+ if (i == 1000)
+ {
+ then = timeval_ms();
+ }
+ if (i >= 1000)
+ {
+ if ((timeval_ms()-then) > 1000)
+ {
+ LOG_WARNING("Timeout (1000ms) waiting for instructions to complete");
+ return ERROR_FAIL;
+ }
+ }
+
+ i++;
}
}
* \param opcode ARM opcode
*
*/
-void arm11_run_instr_no_data1(arm11_common_t * arm11, u32 opcode)
+int arm11_run_instr_no_data1(struct arm11_common * arm11, uint32_t opcode)
{
- arm11_run_instr_no_data(arm11, &opcode, 1);
+ return arm11_run_instr_no_data(arm11, &opcode, 1);
}
* \param count Number of data words and instruction repetitions
*
*/
-int arm11_run_instr_data_to_core(arm11_common_t * arm11, u32 opcode, u32 * data, size_t count)
+int arm11_run_instr_data_to_core(struct arm11_common * arm11, uint32_t opcode, uint32_t * data, size_t count)
{
arm11_add_IR(arm11, ARM11_ITRSEL, ARM11_TAP_DEFAULT);
arm11_add_IR(arm11, ARM11_EXTEST, ARM11_TAP_DEFAULT);
- scan_field_t chain5_fields[3];
+ struct scan_field chain5_fields[3];
- u32 Data;
- u8 Ready;
- u8 nRetry;
+ uint32_t Data;
+ uint8_t Ready;
+ uint8_t nRetry;
arm11_setup_field(arm11, 32, &Data, NULL, chain5_fields + 0);
arm11_setup_field(arm11, 1, NULL, &Ready, chain5_fields + 1);
while (count--)
{
+ int i = 0;
do
{
Data = *data;
- arm11_add_dr_scan_vc(asizeof(chain5_fields), chain5_fields, TAP_IDLE);
+ arm11_add_dr_scan_vc(ARRAY_SIZE(chain5_fields), chain5_fields, jtag_set_end_state(TAP_IDLE));
CHECK_RETVAL(jtag_execute_queue());
JTAG_DEBUG("DTR Ready %d nRetry %d", Ready, nRetry);
+
+ long long then = 0;
+
+ if (i == 1000)
+ {
+ then = timeval_ms();
+ }
+ if (i >= 1000)
+ {
+ if ((timeval_ms()-then) > 1000)
+ {
+ LOG_WARNING("Timeout (1000ms) waiting for instructions to complete");
+ return ERROR_FAIL;
+ }
+ }
+
+ i++;
}
while (!Ready);
arm11_add_IR(arm11, ARM11_INTEST, ARM11_TAP_DEFAULT);
+ int i = 0;
do
{
Data = 0;
- arm11_add_dr_scan_vc(asizeof(chain5_fields), chain5_fields, TAP_DRPAUSE);
+ arm11_add_dr_scan_vc(ARRAY_SIZE(chain5_fields), chain5_fields, TAP_DRPAUSE);
CHECK_RETVAL(jtag_execute_queue());
- JTAG_DEBUG("DTR Data %08x Ready %d nRetry %d", Data, Ready, nRetry);
+ JTAG_DEBUG("DTR Data %08x Ready %d nRetry %d",
+ (unsigned) Data, Ready, nRetry);
+
+ long long then = 0;
+
+ if (i == 1000)
+ {
+ then = timeval_ms();
+ }
+ if (i >= 1000)
+ {
+ if ((timeval_ms()-then) > 1000)
+ {
+ LOG_WARNING("Timeout (1000ms) waiting for instructions to complete");
+ return ERROR_FAIL;
+ }
+ }
+
+ i++;
}
while (!Ready);
*
* To disable this code, try "memwrite burst false"
*
+ * FIX!!! should we use multiple TAP_IDLE here or not???
+ *
+ * https://lists.berlios.de/pipermail/openocd-development/2009-July/009698.html
+ * https://lists.berlios.de/pipermail/openocd-development/2009-August/009865.html
*/
-tap_state_t arm11_MOVE_DRPAUSE_IDLE_DRPAUSE_with_delay[] =
+static const tap_state_t arm11_MOVE_DRPAUSE_IDLE_DRPAUSE_with_delay[] =
{
TAP_DREXIT2, TAP_DRUPDATE, TAP_IDLE, TAP_IDLE, TAP_IDLE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DRSHIFT
};
* \param count Number of data words and instruction repetitions
*
*/
-int arm11_run_instr_data_to_core_noack(arm11_common_t * arm11, u32 opcode, u32 * data, size_t count)
+int arm11_run_instr_data_to_core_noack(struct arm11_common * arm11, uint32_t opcode, uint32_t * data, size_t count)
{
arm11_add_IR(arm11, ARM11_ITRSEL, ARM11_TAP_DEFAULT);
arm11_add_IR(arm11, ARM11_EXTEST, ARM11_TAP_DEFAULT);
- scan_field_t chain5_fields[3];
+ struct scan_field chain5_fields[3];
arm11_setup_field(arm11, 32, NULL/*&Data*/, NULL, chain5_fields + 0);
arm11_setup_field(arm11, 1, NULL, NULL /*&Ready*/, chain5_fields + 1);
arm11_setup_field(arm11, 1, NULL, NULL, chain5_fields + 2);
- u8 Readies[count + 1];
- u8 * ReadyPos = Readies;
+ uint8_t *Readies;
+ unsigned readiesNum = count + 1;
+ unsigned bytes = sizeof(*Readies)*readiesNum;
+
+ Readies = (uint8_t *) malloc(bytes);
+ if (Readies == NULL)
+ {
+ LOG_ERROR("Out of memory allocating %u bytes", bytes);
+ return ERROR_FAIL;
+ }
+
+ uint8_t * ReadyPos = Readies;
while (count--)
{
if (count)
{
- jtag_add_dr_scan(asizeof(chain5_fields), chain5_fields, TAP_DRPAUSE);
- jtag_add_pathmove(asizeof(arm11_MOVE_DRPAUSE_IDLE_DRPAUSE_with_delay),
+ jtag_add_dr_scan(ARRAY_SIZE(chain5_fields), chain5_fields, jtag_set_end_state(TAP_DRPAUSE));
+ jtag_add_pathmove(ARRAY_SIZE(arm11_MOVE_DRPAUSE_IDLE_DRPAUSE_with_delay),
arm11_MOVE_DRPAUSE_IDLE_DRPAUSE_with_delay);
}
else
{
- jtag_add_dr_scan(asizeof(chain5_fields), chain5_fields, TAP_IDLE);
+ jtag_add_dr_scan(ARRAY_SIZE(chain5_fields), chain5_fields, jtag_set_end_state(TAP_IDLE));
}
}
chain5_fields[0].out_value = 0;
chain5_fields[1].in_value = ReadyPos++;
- arm11_add_dr_scan_vc(asizeof(chain5_fields), chain5_fields, TAP_DRPAUSE);
+ arm11_add_dr_scan_vc(ARRAY_SIZE(chain5_fields), chain5_fields, TAP_DRPAUSE);
- CHECK_RETVAL(jtag_execute_queue());
-
- size_t error_count = 0;
-
- {size_t i;
- for (i = 0; i < asizeof(Readies); i++)
+ int retval = jtag_execute_queue();
+ if (retval == ERROR_OK)
{
- if (Readies[i] != 1)
+ unsigned error_count = 0;
+
+ for (size_t i = 0; i < readiesNum; i++)
{
- error_count++;
+ if (Readies[i] != 1)
+ {
+ error_count++;
+ }
}
- }}
- if (error_count)
- LOG_ERROR("Transfer errors " ZU, error_count);
+ if (error_count > 0 )
+ LOG_ERROR("%u words out of %u not transferred",
+ error_count, readiesNum);
- return ERROR_OK;
+ }
+
+ free(Readies);
+
+ return retval;
}
* \param data Data word to be passed to the core via DTR
*
*/
-int arm11_run_instr_data_to_core1(arm11_common_t * arm11, u32 opcode, u32 data)
+int arm11_run_instr_data_to_core1(struct arm11_common * arm11, uint32_t opcode, uint32_t data)
{
return arm11_run_instr_data_to_core(arm11, opcode, &data, 1);
}
* \param count Number of data words and instruction repetitions
*
*/
-int arm11_run_instr_data_from_core(arm11_common_t * arm11, u32 opcode, u32 * data, size_t count)
+int arm11_run_instr_data_from_core(struct arm11_common * arm11, uint32_t opcode, uint32_t * data, size_t count)
{
arm11_add_IR(arm11, ARM11_ITRSEL, ARM11_TAP_DEFAULT);
arm11_add_IR(arm11, ARM11_INTEST, ARM11_TAP_DEFAULT);
- scan_field_t chain5_fields[3];
+ struct scan_field chain5_fields[3];
- u32 Data;
- u8 Ready;
- u8 nRetry;
+ uint32_t Data;
+ uint8_t Ready;
+ uint8_t nRetry;
arm11_setup_field(arm11, 32, NULL, &Data, chain5_fields + 0);
arm11_setup_field(arm11, 1, NULL, &Ready, chain5_fields + 1);
while (count--)
{
+ int i = 0;
do
{
- arm11_add_dr_scan_vc(asizeof(chain5_fields), chain5_fields, count ? TAP_IDLE : TAP_DRPAUSE);
+ arm11_add_dr_scan_vc(ARRAY_SIZE(chain5_fields), chain5_fields, count ? TAP_IDLE : TAP_DRPAUSE);
CHECK_RETVAL(jtag_execute_queue());
- JTAG_DEBUG("DTR Data %08x Ready %d nRetry %d", Data, Ready, nRetry);
+ JTAG_DEBUG("DTR Data %08x Ready %d nRetry %d",
+ (unsigned) Data, Ready, nRetry);
+
+ long long then = 0;
+
+ if (i == 1000)
+ {
+ then = timeval_ms();
+ }
+ if (i >= 1000)
+ {
+ if ((timeval_ms()-then) > 1000)
+ {
+ LOG_WARNING("Timeout (1000ms) waiting for instructions to complete");
+ return ERROR_FAIL;
+ }
+ }
+
+ i++;
}
while (!Ready);
* \param data Pointer to a data word that receives the value from r0 after \p opcode was executed.
*
*/
-void arm11_run_instr_data_from_core_via_r0(arm11_common_t * arm11, u32 opcode, u32 * data)
+int arm11_run_instr_data_from_core_via_r0(struct arm11_common * arm11, uint32_t opcode, uint32_t * data)
{
- arm11_run_instr_no_data1(arm11, opcode);
+ int retval;
+ retval = arm11_run_instr_no_data1(arm11, opcode);
+ if (retval != ERROR_OK)
+ return retval;
/* MCR p14,0,R0,c0,c5,0 (move r0 -> wDTR -> local var) */
arm11_run_instr_data_from_core(arm11, 0xEE000E15, data, 1);
+
+ return ERROR_OK;
}
/** Load data into core via DTR then move it to r0 then
* \param data Data word that will be written to r0 before \p opcode is executed
*
*/
-void arm11_run_instr_data_to_core_via_r0(arm11_common_t * arm11, u32 opcode, u32 data)
+int arm11_run_instr_data_to_core_via_r0(struct arm11_common * arm11, uint32_t opcode, uint32_t data)
{
+ int retval;
/* MRC p14,0,r0,c0,c5,0 */
- arm11_run_instr_data_to_core1(arm11, 0xEE100E15, data);
+ retval = arm11_run_instr_data_to_core1(arm11, 0xEE100E15, data);
+ if (retval != ERROR_OK)
+ return retval;
- arm11_run_instr_no_data1(arm11, opcode);
+ retval = arm11_run_instr_no_data1(arm11, opcode);
+ if (retval != ERROR_OK)
+ return retval;
+
+ return ERROR_OK;
}
/** Apply reads and writes to scan chain 7
*
- * \see arm11_sc7_action_t
+ * \see struct arm11_sc7_action
*
* \param arm11 Target state variable.
* \param actions A list of read and/or write instructions
* \param count Number of instructions in the list.
*
*/
-int arm11_sc7_run(arm11_common_t * arm11, arm11_sc7_action_t * actions, size_t count)
+int arm11_sc7_run(struct arm11_common * arm11, struct arm11_sc7_action * actions, size_t count)
{
- arm11_add_debug_SCAN_N(arm11, 0x07, ARM11_TAP_DEFAULT);
+ int retval;
+
+ retval = arm11_add_debug_SCAN_N(arm11, 0x07, ARM11_TAP_DEFAULT);
+ if (retval != ERROR_OK)
+ return retval;
arm11_add_IR(arm11, ARM11_EXTEST, ARM11_TAP_DEFAULT);
- scan_field_t chain7_fields[3];
+ struct scan_field chain7_fields[3];
- u8 nRW;
- u32 DataOut;
- u8 AddressOut;
- u8 Ready;
- u32 DataIn;
- u8 AddressIn;
+ uint8_t nRW;
+ uint32_t DataOut;
+ uint8_t AddressOut;
+ uint8_t Ready;
+ uint32_t DataIn;
+ uint8_t AddressIn;
arm11_setup_field(arm11, 1, &nRW, &Ready, chain7_fields + 0);
arm11_setup_field(arm11, 32, &DataOut, &DataIn, chain7_fields + 1);
arm11_setup_field(arm11, 7, &AddressOut, &AddressIn, chain7_fields + 2);
- {size_t i;
- for (i = 0; i < count + 1; i++)
+ for (size_t i = 0; i < count + 1; i++)
{
if (i < count)
{
do
{
- JTAG_DEBUG("SC7 <= Address %02x Data %08x nRW %d", AddressOut, DataOut, nRW);
+ JTAG_DEBUG("SC7 <= Address %02x Data %08x nRW %d",
+ (unsigned) AddressOut,
+ (unsigned) DataOut,
+ nRW);
- arm11_add_dr_scan_vc(asizeof(chain7_fields), chain7_fields, TAP_DRPAUSE);
+ arm11_add_dr_scan_vc(ARRAY_SIZE(chain7_fields),
+ chain7_fields, TAP_DRPAUSE);
CHECK_RETVAL(jtag_execute_queue());
- JTAG_DEBUG("SC7 => Address %02x Data %08x Ready %d", AddressIn, DataIn, Ready);
+ JTAG_DEBUG("SC7 => Address %02x Data %08x Ready %d",
+ (unsigned) AddressIn,
+ (unsigned) DataIn,
+ Ready);
}
while (!Ready); /* 'nRW' is 'Ready' on read out */
}
}
}
- }}
+ }
- {size_t i;
- for (i = 0; i < count; i++)
+ for (size_t i = 0; i < count; i++)
{
- JTAG_DEBUG("SC7 %02d: %02x %s %08x", i, actions[i].address, actions[i].write ? "<=" : "=>", actions[i].value);
- }}
+ JTAG_DEBUG("SC7 %02d: %02x %s %08x",
+ (unsigned) i, actions[i].address,
+ actions[i].write ? "<=" : "=>",
+ (unsigned) actions[i].value);
+ }
return ERROR_OK;
}
* \param arm11 Target state variable.
*
*/
-void arm11_sc7_clear_vbw(arm11_common_t * arm11)
+void arm11_sc7_clear_vbw(struct arm11_common * arm11)
{
- arm11_sc7_action_t clear_bw[arm11->brp + arm11->wrp + 1];
- arm11_sc7_action_t * pos = clear_bw;
+ size_t clear_bw_size = arm11->brp + arm11->wrp + 1;
+ struct arm11_sc7_action *clear_bw = malloc(sizeof(struct arm11_sc7_action) * clear_bw_size);
+ struct arm11_sc7_action * pos = clear_bw;
- {size_t i;
- for (i = 0; i < asizeof(clear_bw); i++)
+ for (size_t i = 0; i < clear_bw_size; i++)
{
clear_bw[i].write = true;
clear_bw[i].value = 0;
- }}
+ }
- {size_t i;
- for (i = 0; i < arm11->brp; i++)
+ for (size_t i = 0; i < arm11->brp; i++)
(pos++)->address = ARM11_SC7_BCR0 + i;
- }
- {size_t i;
- for (i = 0; i < arm11->wrp; i++)
+
+ for (size_t i = 0; i < arm11->wrp; i++)
(pos++)->address = ARM11_SC7_WCR0 + i;
- }
+
(pos++)->address = ARM11_SC7_VCR;
- arm11_sc7_run(arm11, clear_bw, asizeof(clear_bw));
+ arm11_sc7_run(arm11, clear_bw, clear_bw_size);
+
+ free (clear_bw);
}
/** Write VCR register
* \param arm11 Target state variable.
* \param value Value to be written
*/
-void arm11_sc7_set_vcr(arm11_common_t * arm11, u32 value)
+void arm11_sc7_set_vcr(struct arm11_common * arm11, uint32_t value)
{
- arm11_sc7_action_t set_vcr;
+ struct arm11_sc7_action set_vcr;
set_vcr.write = true;
set_vcr.address = ARM11_SC7_VCR;
* \param result Pointer where to store result
*
*/
-int arm11_read_memory_word(arm11_common_t * arm11, u32 address, u32 * result)
+int arm11_read_memory_word(struct arm11_common * arm11, uint32_t address, uint32_t * result)
{
- arm11_run_instr_data_prepare(arm11);
+ int retval;
+ retval = arm11_run_instr_data_prepare(arm11);
+ if (retval != ERROR_OK)
+ return retval;
/* MRC p14,0,r0,c0,c5,0 (r0 = address) */
CHECK_RETVAL(arm11_run_instr_data_to_core1(arm11, 0xee100e15, address));
/* LDC p14,c5,[R0],#4 (DTR = [r0]) */
CHECK_RETVAL(arm11_run_instr_data_from_core(arm11, 0xecb05e01, result, 1));
- arm11_run_instr_data_finish(arm11);
+ return arm11_run_instr_data_finish(arm11);
+}
+
- return ERROR_OK;
+/************************************************************************/
+
+/*
+ * ARM11 provider for the OpenOCD implementation of the standard
+ * architectural ARM v6/v7 "Debug Programmer's Model" (DPM).
+ */
+
+static inline struct arm11_common *dpm_to_arm11(struct arm_dpm *dpm)
+{
+ return container_of(dpm, struct arm11_common, dpm);
}
+static int arm11_dpm_prepare(struct arm_dpm *dpm)
+{
+ struct arm11_common *arm11 = dpm_to_arm11(dpm);
+
+ arm11 = container_of(dpm->arm, struct arm11_common, arm);
+
+ return arm11_run_instr_data_prepare(dpm_to_arm11(dpm));
+}
+static int arm11_dpm_finish(struct arm_dpm *dpm)
+{
+ return arm11_run_instr_data_finish(dpm_to_arm11(dpm));
+}
+
+static int arm11_dpm_instr_write_data_dcc(struct arm_dpm *dpm,
+ uint32_t opcode, uint32_t data)
+{
+ return arm11_run_instr_data_to_core(dpm_to_arm11(dpm),
+ opcode, &data, 1);
+}
+
+static int arm11_dpm_instr_write_data_r0(struct arm_dpm *dpm,
+ uint32_t opcode, uint32_t data)
+{
+ return arm11_run_instr_data_to_core_via_r0(dpm_to_arm11(dpm),
+ opcode, data);
+}
+
+static int arm11_dpm_instr_read_data_dcc(struct arm_dpm *dpm,
+ uint32_t opcode, uint32_t *data)
+{
+ return arm11_run_instr_data_from_core(dpm_to_arm11(dpm),
+ opcode, data, 1);
+}
+
+static int arm11_dpm_instr_read_data_r0(struct arm_dpm *dpm,
+ uint32_t opcode, uint32_t *data)
+{
+ return arm11_run_instr_data_from_core_via_r0(dpm_to_arm11(dpm),
+ opcode, data);
+}
+
+/** Set up high-level debug module utilities */
+int arm11_dpm_init(struct arm11_common *arm11, uint32_t didr)
+{
+ struct arm_dpm *dpm = &arm11->dpm;
+ int retval;
+
+ dpm->arm = &arm11->arm;
+
+ dpm->didr = didr;
+
+ dpm->prepare = arm11_dpm_prepare;
+ dpm->finish = arm11_dpm_finish;
+
+ dpm->instr_write_data_dcc = arm11_dpm_instr_write_data_dcc;
+ dpm->instr_write_data_r0 = arm11_dpm_instr_write_data_r0;
+
+ dpm->instr_read_data_dcc = arm11_dpm_instr_read_data_dcc;
+ dpm->instr_read_data_r0 = arm11_dpm_instr_read_data_r0;
+
+ retval = arm_dpm_setup(dpm);
+ if (retval != ERROR_OK)
+ return retval;
+
+ retval = arm_dpm_initialize(dpm);
+
+ return retval;
+}