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jtag_get_device() now returns NULL and reports error instead of invoking exit()

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git-svn-id: svn://svn.berlios.de/openocd/trunk@1176 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe
2008-11-19 08:22:47 +00:00
parent cb434c21af
commit e3462b228c
11 changed files with 394 additions and 352 deletions
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18
src/target/arm11_dbgtap.c
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@@ -102,6 +102,10 @@ void arm11_setup_field(arm11_common_t * arm11, int num_bits, void * out_data, vo
void arm11_add_IR(arm11_common_t * arm11, u8 instr, enum tap_state state)
{
jtag_device_t *device = jtag_get_device(arm11->jtag_info.chain_pos);
if (device==NULL)
{
/* FIX!!!! error is logged, but not propagated back up the call stack... */
}
if (buf_get_u32(device->cur_instr, 0, 5) == instr)
{
@@ -139,7 +143,7 @@ static int arm11_in_handler_SCAN_N(u8 *in_value, void *priv, struct scan_field_s
}
/** Select and write to Scan Chain Register (SCREG)
*
*
* This function sets the instruction register to SCAN_N and writes
* the data register with the selected chain number.
*
@@ -178,11 +182,11 @@ void arm11_add_debug_SCAN_N(arm11_common_t * arm11, u8 chain, enum tap_state sta
}
/** 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).
* (this will be written when the JTAG chain is executed).
* \param state Pass the final TAP state or -1 for the default
* value (Run-Test/Idle).
*
@@ -212,7 +216,7 @@ void arm11_add_debug_INST(arm11_common_t * arm11, u32 inst, u8 * flag, enum tap_
*
* \param arm11 Target state variable.
* \return DSCR content
*
*
* \remarks This is a stand-alone function that executes the JTAG command queue.
*/
u32 arm11_read_DSCR(arm11_common_t * arm11)
@@ -244,7 +248,7 @@ u32 arm11_read_DSCR(arm11_common_t * arm11)
*
* \param arm11 Target state variable.
* \param dscr DSCR content
*
*
* \remarks This is a stand-alone function that executes the JTAG command queue.
*/
void arm11_write_DSCR(arm11_common_t * arm11, u32 dscr)
@@ -272,7 +276,7 @@ void arm11_write_DSCR(arm11_common_t * arm11, u32 dscr)
*
* \param dscr DSCR value to analyze
* \return Debug reason
*
*
*/
enum target_debug_reason arm11_get_DSCR_debug_reason(u32 dscr)
{
@@ -514,7 +518,7 @@ void arm11_run_instr_data_to_core_noack(arm11_common_t * arm11, u32 opcode, u32
{
jtag_add_dr_scan(asizeof(chain5_fields), chain5_fields, TAP_PD);
jtag_add_pathmove(asizeof(arm11_MOVE_PD_RTI_PD_with_delay),
arm11_MOVE_PD_RTI_PD_with_delay);
arm11_MOVE_PD_RTI_PD_with_delay);
}
else
{