auracaster/sw_openocd
3
0
Fork 0
forked from auracaster/openocd
Code Pull Requests Activity

- added support for error handlers to JTAG scan commands (jtag_[plain_][ir|dr]_scan)

Browse Source 
- catch apparently broken JTAG IR scan after ARM926EJ-S CP15 operations
- added "arm7_9 dump_etb" command


git-svn-id: svn://svn.berlios.de/openocd/trunk@142 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
drath
2007-04-25 20:15:59 +00:00
parent 04dc98916d
commit 22bc5194ae
25 changed files with 462 additions and 182 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
src/target/arm9tdmi.c
View File

@@ -98,6 +98,15 @@ arm9tdmi_vector_t arm9tdmi_vectors[] =
{0, 0},
};
int arm9tdmi_jtag_error_handler(u8 *in_value, void *priv)
{
char *caller = priv;
DEBUG("caller: %s", caller);
return ERROR_OK;
}
int arm9tdmi_examine_debug_reason(target_t *target)
{
/* get pointers to arch-specific information */
@@ -108,6 +117,7 @@ int arm9tdmi_examine_debug_reason(target_t *target)
if ((target->debug_reason != DBG_REASON_DBGRQ)
&& (target->debug_reason != DBG_REASON_SINGLESTEP))
{
error_handler_t error_handler;
scan_field_t fields[3];
u8 databus[4];
u8 instructionbus[4];
@@ -146,9 +156,11 @@ int arm9tdmi_examine_debug_reason(target_t *target)
fields[2].in_handler_priv = NULL;
arm_jtag_scann(&arm7_9->jtag_info, 0x1);
arm_jtag_set_instr(&arm7_9->jtag_info, arm7_9->jtag_info.intest_instr);
error_handler.error_handler = arm9tdmi_jtag_error_handler;
error_handler.error_handler_priv = "arm9tdmi_examine_debug_reason";
arm_jtag_set_instr(&arm7_9->jtag_info, arm7_9->jtag_info.intest_instr, &error_handler);
jtag_add_dr_scan(3, fields, TAP_PD);
jtag_add_dr_scan(3, fields, TAP_PD, NULL);
jtag_execute_queue();
fields[0].in_value = NULL;
@@ -158,7 +170,7 @@ int arm9tdmi_examine_debug_reason(target_t *target)
fields[2].in_value = NULL;
fields[2].out_value = instructionbus;
jtag_add_dr_scan(3, fields, TAP_PD);
jtag_add_dr_scan(3, fields, TAP_PD, NULL);
if (debug_reason & 0x4)
if (debug_reason & 0x2)
@@ -175,6 +187,7 @@ int arm9tdmi_examine_debug_reason(target_t *target)
/* put an instruction in the ARM9TDMI pipeline or write the data bus, and optionally read data */
int arm9tdmi_clock_out(arm_jtag_t *jtag_info, u32 instr, u32 out, u32 *in, int sysspeed)
{
error_handler_t error_handler;
scan_field_t fields[3];
u8 out_buf[4];
u8 instr_buf[4];
@@ -190,7 +203,11 @@ int arm9tdmi_clock_out(arm_jtag_t *jtag_info, u32 instr, u32 out, u32 *in, int s
jtag_add_end_state(TAP_PD);
arm_jtag_scann(jtag_info, 0x1);
arm_jtag_set_instr(jtag_info, jtag_info->intest_instr);
error_handler.error_handler = arm9tdmi_jtag_error_handler;
error_handler.error_handler_priv = "arm9tdmi_clock_out";
arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, &error_handler);
fields[0].device = jtag_info->chain_pos;
fields[0].num_bits = 32;
@@ -230,7 +247,7 @@ int arm9tdmi_clock_out(arm_jtag_t *jtag_info, u32 instr, u32 out, u32 *in, int s
fields[2].in_handler = NULL;
fields[2].in_handler_priv = NULL;
jtag_add_dr_scan(3, fields, -1);
jtag_add_dr_scan(3, fields, -1, NULL);
jtag_add_runtest(0, -1);
@@ -254,10 +271,15 @@ int arm9tdmi_clock_out(arm_jtag_t *jtag_info, u32 instr, u32 out, u32 *in, int s
int arm9tdmi_clock_data_in(arm_jtag_t *jtag_info, u32 *in)
{
scan_field_t fields[3];
error_handler_t error_handler;
jtag_add_end_state(TAP_PD);
arm_jtag_scann(jtag_info, 0x1);
arm_jtag_set_instr(jtag_info, jtag_info->intest_instr);
error_handler.error_handler = arm9tdmi_jtag_error_handler;
error_handler.error_handler_priv = "arm9tdmi_clock_data_in_endianness";
arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, &error_handler);
fields[0].device = jtag_info->chain_pos;
fields[0].num_bits = 32;
@@ -289,7 +311,7 @@ int arm9tdmi_clock_data_in(arm_jtag_t *jtag_info, u32 *in)
fields[2].in_handler = NULL;
fields[2].in_handler_priv = NULL;
jtag_add_dr_scan(3, fields, -1);
jtag_add_dr_scan(3, fields, -1, NULL);
jtag_add_runtest(0, -1);
@@ -318,10 +340,15 @@ int arm9tdmi_clock_data_in(arm_jtag_t *jtag_info, u32 *in)
int arm9tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, void *in, int size, int be)
{
scan_field_t fields[3];
error_handler_t error_handler;
jtag_add_end_state(TAP_PD);
arm_jtag_scann(jtag_info, 0x1);
arm_jtag_set_instr(jtag_info, jtag_info->intest_instr);
error_handler.error_handler = arm9tdmi_jtag_error_handler;
error_handler.error_handler_priv = "arm9tdmi_clock_data_in_endianness";
arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, &error_handler);
fields[0].device = jtag_info->chain_pos;
fields[0].num_bits = 32;
@@ -364,7 +391,7 @@ int arm9tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, void *in, int size,
fields[2].in_handler = NULL;
fields[2].in_handler_priv = NULL;
jtag_add_dr_scan(3, fields, -1);
jtag_add_dr_scan(3, fields, -1, NULL);
jtag_add_runtest(0, -1);