Michael Bruck <mbruck@digenius.de> ARM11 various updates + fix formatting.

git-svn-id: svn://svn.berlios.de/openocd/trunk@1512 b42882b7-edfa-0310-969c-e2dbd0fdcd60
__archive__
oharboe 2009-04-22 18:39:59 +00:00
parent a247833a5a
commit 23de60e6bd
3 changed files with 844 additions and 805 deletions

File diff suppressed because it is too large Load Diff

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@ -45,9 +45,12 @@
#define ARM11_REGCACHE_FREGS 0
#define ARM11_REGCACHE_COUNT (20 + \
23 * ARM11_REGCACHE_MODEREGS + \
23 * ARM11_REGCACHE_MODEREGS + \
9 * ARM11_REGCACHE_FREGS)
#define ARM11_TAP_DEFAULT TAP_INVALID
typedef struct arm11_register_history_s
{
u32 value;
@ -56,17 +59,17 @@ typedef struct arm11_register_history_s
enum arm11_debug_version
{
ARM11_DEBUG_V6 = 0x01,
ARM11_DEBUG_V61 = 0x02,
ARM11_DEBUG_V7 = 0x03,
ARM11_DEBUG_V7_CP14 = 0x04,
ARM11_DEBUG_V6 = 0x01,
ARM11_DEBUG_V61 = 0x02,
ARM11_DEBUG_V7 = 0x03,
ARM11_DEBUG_V7_CP14 = 0x04,
};
typedef struct arm11_common_s
{
target_t * target;
target_t * target; /**< Reference back to the owner */
arm_jtag_t jtag_info;
arm_jtag_t jtag_info; /**< Handler to access assigned JTAG device */
/** \name Processor type detection */
/*@{*/
@ -83,11 +86,13 @@ typedef struct arm11_common_s
/*@}*/
u32 last_dscr; /**< Last retrieved DSCR value;
* Can be used to detect changes */
Use only for debug message generation */
bool trst_active;
bool halt_requested;
bool simulate_reset_on_next_halt;
bool halt_requested; /**< Keep track if arm11_halt() calls occured
during reset. Otherwise do it ASAP. */
bool simulate_reset_on_next_halt; /**< Perform cleanups of the ARM state on next halt */
/** \name Shadow registers to save processor state */
/*@{*/
@ -127,23 +132,24 @@ enum arm11_instructions
enum arm11_dscr
{
ARM11_DSCR_CORE_HALTED = 1 << 0,
ARM11_DSCR_CORE_RESTARTED = 1 << 1,
ARM11_DSCR_CORE_HALTED = 1 << 0,
ARM11_DSCR_CORE_RESTARTED = 1 << 1,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_MASK = 0x0F << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_HALT = 0x00 << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BREAKPOINT = 0x01 << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_WATCHPOINT = 0x02 << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BKPT_INSTRUCTION = 0x03 << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_EDBGRQ = 0x04 << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_VECTOR_CATCH = 0x05 << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_MASK = 0x0F << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_HALT = 0x00 << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BREAKPOINT = 0x01 << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_WATCHPOINT = 0x02 << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BKPT_INSTRUCTION = 0x03 << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_EDBGRQ = 0x04 << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_VECTOR_CATCH = 0x05 << 2,
ARM11_DSCR_STICKY_PRECISE_DATA_ABORT = 1 << 6,
ARM11_DSCR_STICKY_IMPRECISE_DATA_ABORT = 1 << 7,
ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE = 1 << 13,
ARM11_DSCR_MODE_SELECT = 1 << 14,
ARM11_DSCR_WDTR_FULL = 1 << 29,
ARM11_DSCR_RDTR_FULL = 1 << 30,
ARM11_DSCR_STICKY_PRECISE_DATA_ABORT = 1 << 6,
ARM11_DSCR_STICKY_IMPRECISE_DATA_ABORT = 1 << 7,
ARM11_DSCR_INTERRUPTS_DISABLE = 1 << 11,
ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE = 1 << 13,
ARM11_DSCR_MODE_SELECT = 1 << 14,
ARM11_DSCR_WDTR_FULL = 1 << 29,
ARM11_DSCR_RDTR_FULL = 1 << 30,
};
enum arm11_cpsr
@ -229,23 +235,23 @@ void arm11_dump_reg_changes(arm11_common_t * arm11);
/* internals */
void arm11_setup_field (arm11_common_t * arm11, int num_bits, void * in_data, void * out_data, scan_field_t * field);
void arm11_add_IR (arm11_common_t * arm11, u8 instr, tap_state_t state);
void arm11_add_debug_SCAN_N (arm11_common_t * arm11, u8 chain, tap_state_t state);
void arm11_add_debug_INST (arm11_common_t * arm11, u32 inst, u8 * flag, tap_state_t state);
u32 arm11_read_DSCR (arm11_common_t * arm11);
void arm11_write_DSCR (arm11_common_t * arm11, u32 dscr);
void arm11_setup_field (arm11_common_t * arm11, int num_bits, void * in_data, void * out_data, scan_field_t * field);
void arm11_add_IR (arm11_common_t * arm11, u8 instr, tap_state_t state);
void arm11_add_debug_SCAN_N (arm11_common_t * arm11, u8 chain, tap_state_t state);
void arm11_add_debug_INST (arm11_common_t * arm11, u32 inst, u8 * flag, tap_state_t state);
u32 arm11_read_DSCR (arm11_common_t * arm11);
void arm11_write_DSCR (arm11_common_t * arm11, u32 dscr);
enum target_debug_reason arm11_get_DSCR_debug_reason(u32 dscr);
void arm11_run_instr_data_prepare (arm11_common_t * arm11);
void arm11_run_instr_data_finish (arm11_common_t * arm11);
void arm11_run_instr_no_data (arm11_common_t * arm11, u32 * opcode, size_t count);
void arm11_run_instr_no_data1 (arm11_common_t * arm11, u32 opcode);
void arm11_run_instr_data_to_core (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count);
void arm11_run_instr_data_prepare (arm11_common_t * arm11);
void arm11_run_instr_data_finish (arm11_common_t * arm11);
void arm11_run_instr_no_data (arm11_common_t * arm11, u32 * opcode, size_t count);
void arm11_run_instr_no_data1 (arm11_common_t * arm11, u32 opcode);
void arm11_run_instr_data_to_core (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count);
void arm11_run_instr_data_to_core_noack (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count);
void arm11_run_instr_data_to_core1 (arm11_common_t * arm11, u32 opcode, u32 data);
void arm11_run_instr_data_from_core (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count);
void arm11_run_instr_data_to_core1 (arm11_common_t * arm11, u32 opcode, u32 data);
void arm11_run_instr_data_from_core (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count);
void arm11_run_instr_data_from_core_via_r0 (arm11_common_t * arm11, u32 opcode, u32 * data);
void arm11_run_instr_data_to_core_via_r0 (arm11_common_t * arm11, u32 opcode, u32 data);
@ -259,10 +265,10 @@ int arm11_add_ir_scan_vc(int num_fields, scan_field_t *fields, tap_state_t state
typedef struct arm11_sc7_action_s
{
bool write; /**< Access mode: true for write, false for read. */
u8 address; /**< Register address mode. Use enum #arm11_sc7 */
u8 address; /**< Register address mode. Use enum #arm11_sc7 */
u32 value; /**< If write then set this to value to be written.
In read mode this receives the read value when the
function returns. */
In read mode this receives the read value when the
function returns. */
} arm11_sc7_action_t;
void arm11_sc7_run(arm11_common_t * arm11, arm11_sc7_action_t * actions, size_t count);

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@ -44,83 +44,79 @@ tap_state_t arm11_move_pi_to_si_via_ci[] =
int arm11_add_ir_scan_vc(int num_fields, scan_field_t *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);
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_ir_scan(num_fields, fields, state);
return ERROR_OK;
jtag_add_ir_scan(num_fields, fields, state);
return ERROR_OK;
}
tap_state_t arm11_move_pd_to_sd_via_cd[] =
{
TAP_DREXIT2, TAP_DRUPDATE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DRSHIFT
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)
{
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);
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_dr_scan(num_fields, fields, state);
return ERROR_OK;
jtag_add_dr_scan(num_fields, fields, state);
return ERROR_OK;
}
/** Code de-clutter: Construct scan_field_t 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>
* \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>
* \param field target data structure that will be initialized
* \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>
* \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>
* \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)
{
field->tap = arm11->jtag_info.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->tap = arm11->jtag_info.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;
field->out_value = out_data;
field->in_value = in_data;
}
/** Write JTAG instruction register
*
* \param arm11 Target state variable.
* \param instr An ARM11 DBGTAP instruction. Use enum #arm11_instructions.
* \param state Pass the final TAP state or TAP_INVALID for the default value (Pause-IR).
* \param arm11 Target state variable.
* \param instr An ARM11 DBGTAP instruction. Use enum #arm11_instructions.
* \param state Pass the final TAP state or ARM11_TAP_DEFAULT for the default value (Pause-IR).
*
* \remarks This adds to the JTAG command queue but does \em not execute it.
* \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)
{
jtag_tap_t *tap;
tap = arm11->jtag_info.tap;
if( tap == NULL ){
/* FIX!!!! error is logged, but not propagated back up the call stack... */
LOG_ERROR( "tap is null here! This is bad!");
return;
}
if (buf_get_u32(tap->cur_instr, 0, 5) == instr){
if (buf_get_u32(tap->cur_instr, 0, 5) == instr)
{
JTAG_DEBUG("IR <= 0x%02x SKIPPED", instr);
return;
}
}
JTAG_DEBUG("IR <= 0x%02x", instr);
JTAG_DEBUG("IR <= 0x%02x", instr);
scan_field_t field;
scan_field_t field;
arm11_setup_field(arm11, 5, &instr, NULL, &field);
arm11_setup_field(arm11, 5, &instr, NULL, &field);
arm11_add_ir_scan_vc(1, &field, state == TAP_INVALID ? TAP_IRPAUSE : state);
arm11_add_ir_scan_vc(1, &field, state == ARM11_TAP_DEFAULT ? TAP_IRPAUSE : state);
}
/** Verify shifted out data from Scan Chain Register (SCREG)
@ -130,17 +126,17 @@ void arm11_add_IR(arm11_common_t * arm11, u8 instr, tap_state_t state)
*/
static int arm11_in_handler_SCAN_N(u8 *in_value, void *priv, struct scan_field_s *field)
{
/** \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 jtag.c jtag_read_buffer() */
u8 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;
}
if (v != 0x10)
{
LOG_ERROR("'arm11 target' JTAG communication error SCREG SCAN OUT 0x%02x (expected 0x10)", v);
return ERROR_FAIL;
}
JTAG_DEBUG("SCREG SCAN OUT 0x%02x", v);
return ERROR_OK;
JTAG_DEBUG("SCREG SCAN OUT 0x%02x", v);
return ERROR_OK;
}
/** Select and write to Scan Chain Register (SCREG)
@ -152,165 +148,165 @@ static int arm11_in_handler_SCAN_N(u8 *in_value, void *priv, struct scan_field_s
*
* \param arm11 Target state variable.
* \param chain Scan chain that will be selected.
* \param state Pass the final TAP state or TAP_INVALID for the default
* value (Pause-DR).
* \param state Pass the final TAP state or ARM11_TAP_DEFAULT for the default
* value (Pause-DR).
*
* The chain takes effect when Update-DR is passed (usually when subsequently
* the INTEXT/EXTEST instructions are written).
*
* \warning (Obsolete) Using this twice in a row will \em fail. The first call will end
* in Pause-DR. The second call, due to the IR caching, will not
* go through Capture-DR when shifting in the new scan chain number.
* As a result the verification in arm11_in_handler_SCAN_N() must
* fail.
* \warning (Obsolete) Using this twice in a row will \em fail. The first
* call will end in Pause-DR. The second call, due to the IR
* caching, will not go through Capture-DR when shifting in the
* new scan chain number. As a result the verification in
* arm11_in_handler_SCAN_N() must fail.
*
* \remarks This adds to the JTAG command queue but does \em not execute it.
* \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)
{
JTAG_DEBUG("SCREG <= 0x%02x", chain);
JTAG_DEBUG("SCREG <= 0x%02x", chain);
arm11_add_IR(arm11, ARM11_SCAN_N, TAP_INVALID);
arm11_add_IR(arm11, ARM11_SCAN_N, ARM11_TAP_DEFAULT);
scan_field_t field;
scan_field_t field;
arm11_setup_field(arm11, 5, &chain, NULL, &field);
arm11_setup_field(arm11, 5, &chain, NULL, &field);
field.in_handler = arm11_in_handler_SCAN_N;
field.in_handler = arm11_in_handler_SCAN_N;
arm11_add_dr_scan_vc(1, &field, state == TAP_INVALID ? TAP_DRPAUSE : state);
arm11_add_dr_scan_vc(1, &field, state == ARM11_TAP_DEFAULT ? TAP_DRPAUSE : state);
}
/** Write an instruction into the ITR register
*
* \param arm11 Target state variable.
* \param inst An ARM11 processor instruction/opcode.
* \param flag Optional parameter to retrieve the InstCompl flag
* (this will be written when the JTAG chain is executed).
* \param state Pass the final TAP state or TAP_INVALID for the default
* value (Run-Test/Idle).
* \param arm11 Target state variable.
* \param inst An ARM11 processor instruction/opcode.
* \param flag Optional parameter to retrieve the InstCompl flag
* (this will be written when the JTAG chain is executed).
* \param state Pass the final TAP state or ARM11_TAP_DEFAULT for the default
* value (Run-Test/Idle).
*
* \remarks By default this ends with Run-Test/Idle state
* and causes the instruction to be executed. If
* a subsequent write to DTR is needed before
* executing the instruction then TAP_DRPAUSE should be
* passed to \p state.
* \remarks By default this ends with Run-Test/Idle state
* and causes the instruction to be executed. If
* a subsequent write to DTR is needed before
* executing the instruction then TAP_DRPAUSE should be
* passed to \p state.
*
* \remarks This adds to the JTAG command queue but does \em not execute it.
* \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)
{
JTAG_DEBUG("INST <= 0x%08x", inst);
JTAG_DEBUG("INST <= 0x%08x", inst);
scan_field_t itr[2];
scan_field_t itr[2];
arm11_setup_field(arm11, 32, &inst, NULL, itr + 0);
arm11_setup_field(arm11, 1, NULL, flag, itr + 1);
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 == TAP_INVALID ? TAP_IDLE : state);
arm11_add_dr_scan_vc(asizeof(itr), itr, state == ARM11_TAP_DEFAULT ? TAP_IDLE : state);
}
/** Read the Debug Status and Control Register (DSCR)
*
* same as CP14 c1
*
* \param arm11 Target state variable.
* \return DSCR content
* \param arm11 Target state variable.
* \return DSCR content
*
* \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.
*/
u32 arm11_read_DSCR(arm11_common_t * arm11)
{
arm11_add_debug_SCAN_N(arm11, 0x01, TAP_INVALID);
arm11_add_debug_SCAN_N(arm11, 0x01, ARM11_TAP_DEFAULT);
arm11_add_IR(arm11, ARM11_INTEST, TAP_INVALID);
arm11_add_IR(arm11, ARM11_INTEST, ARM11_TAP_DEFAULT);
u32 dscr;
scan_field_t chain1_field;
u32 dscr;
scan_field_t chain1_field;
arm11_setup_field(arm11, 32, NULL, &dscr, &chain1_field);
arm11_setup_field(arm11, 32, NULL, &dscr, &chain1_field);
arm11_add_dr_scan_vc(1, &chain1_field, TAP_DRPAUSE);
arm11_add_dr_scan_vc(1, &chain1_field, TAP_DRPAUSE);
jtag_execute_queue();
jtag_execute_queue();
if (arm11->last_dscr != dscr)
JTAG_DEBUG("DSCR = %08x (OLD %08x)", dscr, arm11->last_dscr);
if (arm11->last_dscr != dscr)
JTAG_DEBUG("DSCR = %08x (OLD %08x)", dscr, arm11->last_dscr);
arm11->last_dscr = dscr;
arm11->last_dscr = dscr;
return dscr;
return dscr;
}
/** Write the Debug Status and Control Register (DSCR)
*
* same as CP14 c1
*
* \param arm11 Target state variable.
* \param dscr DSCR content
* \param arm11 Target state variable.
* \param dscr DSCR content
*
* \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.
*/
void arm11_write_DSCR(arm11_common_t * arm11, u32 dscr)
{
arm11_add_debug_SCAN_N(arm11, 0x01, TAP_INVALID);
arm11_add_debug_SCAN_N(arm11, 0x01, ARM11_TAP_DEFAULT);
arm11_add_IR(arm11, ARM11_EXTEST, TAP_INVALID);
arm11_add_IR(arm11, ARM11_EXTEST, ARM11_TAP_DEFAULT);
scan_field_t chain1_field;
scan_field_t chain1_field;
arm11_setup_field(arm11, 32, &dscr, NULL, &chain1_field);
arm11_setup_field(arm11, 32, &dscr, NULL, &chain1_field);
arm11_add_dr_scan_vc(1, &chain1_field, TAP_DRPAUSE);
arm11_add_dr_scan_vc(1, &chain1_field, TAP_DRPAUSE);
jtag_execute_queue();
jtag_execute_queue();
JTAG_DEBUG("DSCR <= %08x (OLD %08x)", dscr, arm11->last_dscr);
JTAG_DEBUG("DSCR <= %08x (OLD %08x)", dscr, arm11->last_dscr);
arm11->last_dscr = dscr;
arm11->last_dscr = dscr;
}
/** Get the debug reason from Debug Status and Control Register (DSCR)
*
* \param dscr DSCR value to analyze
* \return Debug reason
* \param dscr DSCR value to analyze
* \return Debug reason
*
*/
enum target_debug_reason arm11_get_DSCR_debug_reason(u32 dscr)
{
switch (dscr & ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_MASK)
{
case ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_HALT:
LOG_INFO("Debug entry: JTAG HALT");
return DBG_REASON_DBGRQ;
switch (dscr & ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_MASK)
{
case ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_HALT:
LOG_INFO("Debug entry: JTAG HALT");
return DBG_REASON_DBGRQ;
case ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BREAKPOINT:
LOG_INFO("Debug entry: breakpoint");
return DBG_REASON_BREAKPOINT;
case ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BREAKPOINT:
LOG_INFO("Debug entry: breakpoint");
return DBG_REASON_BREAKPOINT;
case ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_WATCHPOINT:
LOG_INFO("Debug entry: watchpoint");
return DBG_REASON_WATCHPOINT;
case ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_WATCHPOINT:
LOG_INFO("Debug entry: watchpoint");
return DBG_REASON_WATCHPOINT;
case ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BKPT_INSTRUCTION:
LOG_INFO("Debug entry: BKPT instruction");
return DBG_REASON_BREAKPOINT;
case ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BKPT_INSTRUCTION:
LOG_INFO("Debug entry: BKPT instruction");
return DBG_REASON_BREAKPOINT;
case ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_EDBGRQ:
LOG_INFO("Debug entry: EDBGRQ signal");
return DBG_REASON_DBGRQ;
case ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_EDBGRQ:
LOG_INFO("Debug entry: EDBGRQ signal");
return DBG_REASON_DBGRQ;
case ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_VECTOR_CATCH:
LOG_INFO("Debug entry: VCR vector catch");
return DBG_REASON_BREAKPOINT;
case ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_VECTOR_CATCH:
LOG_INFO("Debug entry: VCR vector catch");
return DBG_REASON_BREAKPOINT;
default:
LOG_INFO("Debug entry: unknown");
return DBG_REASON_DBGRQ;
}
default:
LOG_INFO("Debug entry: unknown");
return DBG_REASON_DBGRQ;
}
};
@ -326,12 +322,12 @@ enum target_debug_reason arm11_get_DSCR_debug_reason(u32 dscr)
* shortcut is used instead of actually changing the Scan_N
* register.
*
* \param arm11 Target state variable.
* \param arm11 Target state variable.
*
*/
void arm11_run_instr_data_prepare(arm11_common_t * arm11)
{
arm11_add_debug_SCAN_N(arm11, 0x05, TAP_INVALID);
arm11_add_debug_SCAN_N(arm11, 0x05, ARM11_TAP_DEFAULT);
}
/** Cleanup after ITR/DTR operations
@ -345,12 +341,12 @@ void arm11_run_instr_data_prepare(arm11_common_t * arm11)
* INTEST or EXTEST. So we must disable that before
* any following activities lead to an IDLE.
*
* \param arm11 Target state variable.
* \param arm11 Target state variable.
*
*/
void arm11_run_instr_data_finish(arm11_common_t * arm11)
{
arm11_add_debug_SCAN_N(arm11, 0x00, TAP_INVALID);
arm11_add_debug_SCAN_N(arm11, 0x00, ARM11_TAP_DEFAULT);
}
@ -365,24 +361,24 @@ void arm11_run_instr_data_finish(arm11_common_t * arm11)
*/
void arm11_run_instr_no_data(arm11_common_t * arm11, u32 * opcode, size_t count)
{
arm11_add_IR(arm11, ARM11_ITRSEL, TAP_INVALID);
arm11_add_IR(arm11, ARM11_ITRSEL, ARM11_TAP_DEFAULT);
while (count--)
{
arm11_add_debug_INST(arm11, *opcode++, NULL, TAP_IDLE);
while (1)
while (count--)
{
u8 flag;
arm11_add_debug_INST(arm11, *opcode++, NULL, TAP_IDLE);
arm11_add_debug_INST(arm11, 0, &flag, count ? TAP_IDLE : TAP_DRPAUSE);
while (1)
{
u8 flag;
jtag_execute_queue();
arm11_add_debug_INST(arm11, 0, &flag, count ? TAP_IDLE : TAP_DRPAUSE);
if (flag)
break;
jtag_execute_queue();
if (flag)
break;
}
}
}
}
/** Execute one instruction via ITR
@ -395,7 +391,7 @@ void arm11_run_instr_no_data(arm11_common_t * arm11, u32 * opcode, size_t count)
*/
void arm11_run_instr_no_data1(arm11_common_t * arm11, u32 opcode)
{
arm11_run_instr_no_data(arm11, &opcode, 1);
arm11_run_instr_no_data(arm11, &opcode, 1);
}
@ -414,50 +410,50 @@ void arm11_run_instr_no_data1(arm11_common_t * arm11, u32 opcode)
*/
void arm11_run_instr_data_to_core(arm11_common_t * arm11, u32 opcode, u32 * data, size_t count)
{
arm11_add_IR(arm11, ARM11_ITRSEL, TAP_INVALID);
arm11_add_IR(arm11, ARM11_ITRSEL, ARM11_TAP_DEFAULT);
arm11_add_debug_INST(arm11, opcode, NULL, TAP_DRPAUSE);
arm11_add_debug_INST(arm11, opcode, NULL, TAP_DRPAUSE);
arm11_add_IR(arm11, ARM11_EXTEST, TAP_INVALID);
arm11_add_IR(arm11, ARM11_EXTEST, ARM11_TAP_DEFAULT);
scan_field_t chain5_fields[3];
scan_field_t chain5_fields[3];
u32 Data;
u8 Ready;
u8 nRetry;
u32 Data;
u8 Ready;
u8 nRetry;
arm11_setup_field(arm11, 32, &Data, NULL, chain5_fields + 0);
arm11_setup_field(arm11, 1, NULL, &Ready, chain5_fields + 1);
arm11_setup_field(arm11, 1, NULL, &nRetry, chain5_fields + 2);
arm11_setup_field(arm11, 32, &Data, NULL, chain5_fields + 0);
arm11_setup_field(arm11, 1, NULL, &Ready, chain5_fields + 1);
arm11_setup_field(arm11, 1, NULL, &nRetry, chain5_fields + 2);
while (count--)
{
do
{
Data = *data;
arm11_add_dr_scan_vc(asizeof(chain5_fields), chain5_fields, TAP_IDLE);
jtag_execute_queue();
JTAG_DEBUG("DTR Ready %d nRetry %d", Ready, nRetry);
}
while (!Ready);
data++;
}
arm11_add_IR(arm11, ARM11_INTEST, ARM11_TAP_DEFAULT);
while (count--)
{
do
{
Data = *data;
Data = 0;
arm11_add_dr_scan_vc(asizeof(chain5_fields), chain5_fields, TAP_IDLE);
jtag_execute_queue();
arm11_add_dr_scan_vc(asizeof(chain5_fields), chain5_fields, TAP_DRPAUSE);
jtag_execute_queue();
JTAG_DEBUG("DTR Ready %d nRetry %d", Ready, nRetry);
JTAG_DEBUG("DTR Data %08x Ready %d nRetry %d", Data, Ready, nRetry);
}
while (!Ready);
data++;
}
arm11_add_IR(arm11, ARM11_INTEST, TAP_INVALID);
do
{
Data = 0;
arm11_add_dr_scan_vc(asizeof(chain5_fields), chain5_fields, TAP_DRPAUSE);
jtag_execute_queue();
JTAG_DEBUG("DTR Data %08x Ready %d nRetry %d", Data, Ready, nRetry);
}
while (!Ready);
}
/** JTAG path for arm11_run_instr_data_to_core_noack
@ -473,7 +469,7 @@ void arm11_run_instr_data_to_core(arm11_common_t * arm11, u32 opcode, u32 * data
*/
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
TAP_DREXIT2, TAP_DRUPDATE, TAP_IDLE, TAP_IDLE, TAP_IDLE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DRSHIFT
};
@ -495,60 +491,60 @@ tap_state_t arm11_MOVE_DRPAUSE_IDLE_DRPAUSE_with_delay[] =
*/
void arm11_run_instr_data_to_core_noack(arm11_common_t * arm11, u32 opcode, u32 * data, size_t count)
{
arm11_add_IR(arm11, ARM11_ITRSEL, TAP_INVALID);
arm11_add_IR(arm11, ARM11_ITRSEL, ARM11_TAP_DEFAULT);
arm11_add_debug_INST(arm11, opcode, NULL, TAP_DRPAUSE);
arm11_add_debug_INST(arm11, opcode, NULL, TAP_DRPAUSE);
arm11_add_IR(arm11, ARM11_EXTEST, TAP_INVALID);
arm11_add_IR(arm11, ARM11_EXTEST, ARM11_TAP_DEFAULT);
scan_field_t chain5_fields[3];
scan_field_t 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);
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;
u8 Readies[count + 1];
u8 * ReadyPos = Readies;
while (count--)
{
chain5_fields[0].out_value = (void *)(data++);
chain5_fields[1].in_value = ReadyPos++;
if (count)
while (count--)
{
jtag_add_dr_scan(asizeof(chain5_fields), chain5_fields, TAP_DRPAUSE);
jtag_add_pathmove(asizeof(arm11_MOVE_DRPAUSE_IDLE_DRPAUSE_with_delay),
arm11_MOVE_DRPAUSE_IDLE_DRPAUSE_with_delay);
chain5_fields[0].out_value = (void *)(data++);
chain5_fields[1].in_value = ReadyPos++;
if (count)
{
jtag_add_dr_scan(asizeof(chain5_fields), chain5_fields, TAP_DRPAUSE);
jtag_add_pathmove(asizeof(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);
}
}
else
arm11_add_IR(arm11, ARM11_INTEST, ARM11_TAP_DEFAULT);
chain5_fields[0].out_value = 0;
chain5_fields[1].in_value = ReadyPos++;
arm11_add_dr_scan_vc(asizeof(chain5_fields), chain5_fields, TAP_DRPAUSE);
jtag_execute_queue();
size_t error_count = 0;
{size_t i;
for (i = 0; i < asizeof(Readies); i++)
{
jtag_add_dr_scan(asizeof(chain5_fields), chain5_fields, TAP_IDLE);
}
}
if (Readies[i] != 1)
{
error_count++;
}
}}
arm11_add_IR(arm11, ARM11_INTEST, TAP_INVALID);
chain5_fields[0].out_value = 0;
chain5_fields[1].in_value = ReadyPos++;
arm11_add_dr_scan_vc(asizeof(chain5_fields), chain5_fields, TAP_DRPAUSE);
jtag_execute_queue();
size_t error_count = 0;
{size_t i;
for (i = 0; i < asizeof(Readies); i++)
{
if (Readies[i] != 1)
{
error_count++;
}
}}
if (error_count)
LOG_ERROR("Transfer errors " ZU, error_count);
if (error_count)
LOG_ERROR("Transfer errors " ZU, error_count);
}
@ -565,7 +561,7 @@ void arm11_run_instr_data_to_core_noack(arm11_common_t * arm11, u32 opcode, u32
*/
void arm11_run_instr_data_to_core1(arm11_common_t * arm11, u32 opcode, u32 data)
{
arm11_run_instr_data_to_core(arm11, opcode, &data, 1);
arm11_run_instr_data_to_core(arm11, opcode, &data, 1);
}
@ -584,35 +580,35 @@ void arm11_run_instr_data_to_core1(arm11_common_t * arm11, u32 opcode, u32 data)
*/
void arm11_run_instr_data_from_core(arm11_common_t * arm11, u32 opcode, u32 * data, size_t count)
{
arm11_add_IR(arm11, ARM11_ITRSEL, TAP_INVALID);
arm11_add_IR(arm11, ARM11_ITRSEL, ARM11_TAP_DEFAULT);
arm11_add_debug_INST(arm11, opcode, NULL, TAP_IDLE);
arm11_add_debug_INST(arm11, opcode, NULL, TAP_IDLE);
arm11_add_IR(arm11, ARM11_INTEST, TAP_INVALID);
arm11_add_IR(arm11, ARM11_INTEST, ARM11_TAP_DEFAULT);
scan_field_t chain5_fields[3];
scan_field_t chain5_fields[3];
u32 Data;
u8 Ready;
u8 nRetry;
u32 Data;
u8 Ready;
u8 nRetry;
arm11_setup_field(arm11, 32, NULL, &Data, chain5_fields + 0);
arm11_setup_field(arm11, 1, NULL, &Ready, chain5_fields + 1);
arm11_setup_field(arm11, 1, NULL, &nRetry, chain5_fields + 2);
arm11_setup_field(arm11, 32, NULL, &Data, chain5_fields + 0);
arm11_setup_field(arm11, 1, NULL, &Ready, chain5_fields + 1);
arm11_setup_field(arm11, 1, NULL, &nRetry, chain5_fields + 2);
while (count--)
{
do
while (count--)
{
arm11_add_dr_scan_vc(asizeof(chain5_fields), chain5_fields, count ? TAP_IDLE : TAP_DRPAUSE);
jtag_execute_queue();
do
{
arm11_add_dr_scan_vc(asizeof(chain5_fields), chain5_fields, count ? TAP_IDLE : TAP_DRPAUSE);
jtag_execute_queue();
JTAG_DEBUG("DTR Data %08x Ready %d nRetry %d", Data, Ready, nRetry);
JTAG_DEBUG("DTR Data %08x Ready %d nRetry %d", Data, Ready, nRetry);
}
while (!Ready);
*data++ = Data;
}
while (!Ready);
*data++ = Data;
}
}
/** Execute one instruction via ITR
@ -629,10 +625,10 @@ void arm11_run_instr_data_from_core(arm11_common_t * arm11, u32 opcode, u32 * da
*/
void arm11_run_instr_data_from_core_via_r0(arm11_common_t * arm11, u32 opcode, u32 * data)
{
arm11_run_instr_no_data1(arm11, opcode);
arm11_run_instr_no_data1(arm11, opcode);
/* MCR p14,0,R0,c0,c5,0 (move r0 -> wDTR -> local var) */
arm11_run_instr_data_from_core(arm11, 0xEE000E15, data, 1);
/* MCR p14,0,R0,c0,c5,0 (move r0 -> wDTR -> local var) */
arm11_run_instr_data_from_core(arm11, 0xEE000E15, data, 1);
}
/** Load data into core via DTR then move it to r0 then
@ -649,10 +645,10 @@ void arm11_run_instr_data_from_core_via_r0(arm11_common_t * arm11, u32 opcode, u
*/
void arm11_run_instr_data_to_core_via_r0(arm11_common_t * arm11, u32 opcode, u32 data)
{
/* MRC p14,0,r0,c0,c5,0 */
arm11_run_instr_data_to_core1(arm11, 0xEE100E15, data);
/* MRC p14,0,r0,c0,c5,0 */
arm11_run_instr_data_to_core1(arm11, 0xEE100E15, data);
arm11_run_instr_no_data1(arm11, opcode);
arm11_run_instr_no_data1(arm11, opcode);
}
/** Apply reads and writes to scan chain 7
@ -666,76 +662,76 @@ void arm11_run_instr_data_to_core_via_r0(arm11_common_t * arm11, u32 opcode, u32
*/
void arm11_sc7_run(arm11_common_t * arm11, arm11_sc7_action_t * actions, size_t count)
{
arm11_add_debug_SCAN_N(arm11, 0x07, TAP_INVALID);
arm11_add_debug_SCAN_N(arm11, 0x07, ARM11_TAP_DEFAULT);
arm11_add_IR(arm11, ARM11_EXTEST, TAP_INVALID);
arm11_add_IR(arm11, ARM11_EXTEST, ARM11_TAP_DEFAULT);
scan_field_t chain7_fields[3];
scan_field_t chain7_fields[3];
u8 nRW;
u32 DataOut;
u8 AddressOut;
u8 Ready;
u32 DataIn;
u8 AddressIn;
u8 nRW;
u32 DataOut;
u8 AddressOut;
u8 Ready;
u32 DataIn;
u8 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);
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++)
{
if (i < count)
{size_t i;
for (i = 0; i < count + 1; i++)
{
nRW = actions[i].write ? 1 : 0;
DataOut = actions[i].value;
AddressOut = actions[i].address;
}
else
{
nRW = 0;
DataOut = 0;
AddressOut = 0;
}
do
{
JTAG_DEBUG("SC7 <= Address %02x Data %08x nRW %d", AddressOut, DataOut, nRW);
arm11_add_dr_scan_vc(asizeof(chain7_fields), chain7_fields, TAP_DRPAUSE);
jtag_execute_queue();
JTAG_DEBUG("SC7 => Address %02x Data %08x Ready %d", AddressIn, DataIn, Ready);
}
while (!Ready); /* 'nRW' is 'Ready' on read out */
if (i > 0)
{
if (actions[i - 1].address != AddressIn)
{
LOG_WARNING("Scan chain 7 shifted out unexpected address");
}
if (!actions[i - 1].write)
{
actions[i - 1].value = DataIn;
}
else
{
if (actions[i - 1].value != DataIn)
if (i < count)
{
LOG_WARNING("Scan chain 7 shifted out unexpected data");
nRW = actions[i].write ? 1 : 0;
DataOut = actions[i].value;
AddressOut = actions[i].address;
}
else
{
nRW = 0;
DataOut = 0;
AddressOut = 0;
}
}
}
}}
{size_t i;
for (i = 0; i < count; i++)
{
JTAG_DEBUG("SC7 %02d: %02x %s %08x", i, actions[i].address, actions[i].write ? "<=" : "=>", actions[i].value);
}}
do
{
JTAG_DEBUG("SC7 <= Address %02x Data %08x nRW %d", AddressOut, DataOut, nRW);
arm11_add_dr_scan_vc(asizeof(chain7_fields), chain7_fields, TAP_DRPAUSE);
jtag_execute_queue();
JTAG_DEBUG("SC7 => Address %02x Data %08x Ready %d", AddressIn, DataIn, Ready);
}
while (!Ready); /* 'nRW' is 'Ready' on read out */
if (i > 0)
{
if (actions[i - 1].address != AddressIn)
{
LOG_WARNING("Scan chain 7 shifted out unexpected address");
}
if (!actions[i - 1].write)
{
actions[i - 1].value = DataIn;
}
else
{
if (actions[i - 1].value != DataIn)
{
LOG_WARNING("Scan chain 7 shifted out unexpected data");
}
}
}
}}
{size_t i;
for (i = 0; i < count; i++)
{
JTAG_DEBUG("SC7 %02d: %02x %s %08x", i, actions[i].address, actions[i].write ? "<=" : "=>", actions[i].value);
}}
}
/** Clear VCR and all breakpoints and watchpoints via scan chain 7
@ -745,29 +741,29 @@ void arm11_sc7_run(arm11_common_t * arm11, arm11_sc7_action_t * actions, size_t
*/
void arm11_sc7_clear_vbw(arm11_common_t * arm11)
{
arm11_sc7_action_t clear_bw[arm11->brp + arm11->wrp + 1];
arm11_sc7_action_t * pos = clear_bw;
arm11_sc7_action_t clear_bw[arm11->brp + arm11->wrp + 1];
arm11_sc7_action_t * pos = clear_bw;
{size_t i;
for (i = 0; i < asizeof(clear_bw); i++)
{
clear_bw[i].write = true;
clear_bw[i].value = 0;
}}
{size_t i;
for (i = 0; i < asizeof(clear_bw); i++)
{
clear_bw[i].write = true;
clear_bw[i].value = 0;
}}
{size_t i;
for (i = 0; i < arm11->brp; i++)
(pos++)->address = ARM11_SC7_BCR0 + i;
}
{size_t i;
for (i = 0; i < arm11->brp; i++)
(pos++)->address = ARM11_SC7_BCR0 + i;
}
{size_t i;
for (i = 0; i < arm11->wrp; i++)
(pos++)->address = ARM11_SC7_WCR0 + i;
}
{size_t i;
for (i = 0; i < arm11->wrp; i++)
(pos++)->address = ARM11_SC7_WCR0 + i;
}
(pos++)->address = ARM11_SC7_VCR;
(pos++)->address = ARM11_SC7_VCR;
arm11_sc7_run(arm11, clear_bw, asizeof(clear_bw));
arm11_sc7_run(arm11, clear_bw, asizeof(clear_bw));
}
/** Write VCR register
@ -777,14 +773,14 @@ void arm11_sc7_clear_vbw(arm11_common_t * arm11)
*/
void arm11_sc7_set_vcr(arm11_common_t * arm11, u32 value)
{
arm11_sc7_action_t set_vcr;
arm11_sc7_action_t set_vcr;
set_vcr.write = true;
set_vcr.address = ARM11_SC7_VCR;
set_vcr.value = value;
set_vcr.write = true;
set_vcr.address = ARM11_SC7_VCR;
set_vcr.value = value;
arm11_sc7_run(arm11, &set_vcr, 1);
arm11_sc7_run(arm11, &set_vcr, 1);
}
@ -798,15 +794,15 @@ void arm11_sc7_set_vcr(arm11_common_t * arm11, u32 value)
*/
void arm11_read_memory_word(arm11_common_t * arm11, u32 address, u32 * result)
{
arm11_run_instr_data_prepare(arm11);
arm11_run_instr_data_prepare(arm11);
/* MRC p14,0,r0,c0,c5,0 (r0 = address) */
arm11_run_instr_data_to_core1(arm11, 0xee100e15, address);
/* MRC p14,0,r0,c0,c5,0 (r0 = address) */
arm11_run_instr_data_to_core1(arm11, 0xee100e15, address);
/* LDC p14,c5,[R0],#4 (DTR = [r0]) */
arm11_run_instr_data_from_core(arm11, 0xecb05e01, result, 1);
/* LDC p14,c5,[R0],#4 (DTR = [r0]) */
arm11_run_instr_data_from_core(arm11, 0xecb05e01, result, 1);
arm11_run_instr_data_finish(arm11);
arm11_run_instr_data_finish(arm11);
}