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Add idle count to debug output. (#337) 

Few other minor cleanups/debug improvements.

Change-Id: I370a86ddc17a2d888afa178448125661e12caf72
bscan_tunnel
Tim Newsome 2018-11-29 12:52:06 -08:00 committed by GitHub
parent b911e07d75
commit 42be17aed6
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 33 additions and 17 deletions
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21
src/target/riscv/batch.c
View File

@ -9,23 +9,20 @@
#define get_field(reg, mask) (((reg) & (mask)) / ((mask) & ~((mask) << 1)))
#define set_field(reg, mask, val) (((reg) & ~(mask)) | (((val) * ((mask) & ~((mask) << 1))) & (mask)))
static void dump_field(const struct scan_field *field);
static void dump_field(int idle, const struct scan_field *field);
struct riscv_batch *riscv_batch_alloc(struct target *target, size_t scans, size_t idle)
{
scans += 4;
struct riscv_batch *out = malloc(sizeof(*out));
memset(out, 0, sizeof(*out));
struct riscv_batch *out = calloc(1, sizeof(*out));
out->target = target;
out->allocated_scans = scans;
out->used_scans = 0;
out->idle_count = idle;
out->data_out = malloc(sizeof(*out->data_out) * (scans) * sizeof(uint64_t));
out->data_in = malloc(sizeof(*out->data_in) * (scans) * sizeof(uint64_t));
out->fields = malloc(sizeof(*out->fields) * (scans));
out->last_scan = RISCV_SCAN_TYPE_INVALID;
out->read_keys = malloc(sizeof(*out->read_keys) * (scans));
out->read_keys_used = 0;
return out;
}
@ -65,7 +62,7 @@ int riscv_batch_run(struct riscv_batch *batch)
}
for (size_t i = 0; i < batch->used_scans; ++i)
dump_field(batch->fields + i);
dump_field(batch->idle_count, batch->fields + i);
return ERROR_OK;
}
@ -96,7 +93,7 @@ size_t riscv_batch_add_dmi_read(struct riscv_batch *batch, unsigned address)
batch->used_scans++;
/* FIXME We get the read response back on the next scan. For now I'm
* just sticking a NOP in there, but this should be coelesced away. */
* just sticking a NOP in there, but this should be coalesced away. */
riscv_batch_add_nop(batch);
batch->read_keys[batch->read_keys_used] = batch->used_scans - 1;
@ -132,7 +129,7 @@ void riscv_batch_add_nop(struct riscv_batch *batch)
batch->used_scans++;
}
void dump_field(const struct scan_field *field)
void dump_field(int idle, const struct scan_field *field)
{
static const char * const op_string[] = {"-", "r", "w", "?"};
static const char * const status_string[] = {"+", "?", "F", "b"};
@ -154,13 +151,13 @@ void dump_field(const struct scan_field *field)
log_printf_lf(LOG_LVL_DEBUG,
__FILE__, __LINE__, __PRETTY_FUNCTION__,
"%db %s %08x @%02x -> %s %08x @%02x",
field->num_bits,
"%db %di %s %08x @%02x -> %s %08x @%02x",
field->num_bits, idle,
op_string[out_op], out_data, out_address,
status_string[in_op], in_data, in_address);
} else {
log_printf_lf(LOG_LVL_DEBUG,
__FILE__, __LINE__, __PRETTY_FUNCTION__, "%db %s %08x @%02x -> ?",
field->num_bits, op_string[out_op], out_data, out_address);
__FILE__, __LINE__, __PRETTY_FUNCTION__, "%db %di %s %08x @%02x -> ?",
field->num_bits, idle, op_string[out_op], out_data, out_address);
}
}

29
src/target/riscv/riscv-013.c
View File

@ -357,7 +357,7 @@ static void decode_dmi(char *text, unsigned address, unsigned data)
}
}
static void dump_field(const struct scan_field *field)
static void dump_field(int idle, const struct scan_field *field)
{
static const char * const op_string[] = {"-", "r", "w", "?"};
static const char * const status_string[] = {"+", "?", "F", "b"};
@ -377,8 +377,8 @@ static void dump_field(const struct scan_field *field)
log_printf_lf(LOG_LVL_DEBUG,
__FILE__, __LINE__, "scan",
"%db %s %08x @%02x -> %s %08x @%02x",
field->num_bits,
"%db %di %s %08x @%02x -> %s %08x @%02x",
field->num_bits, idle,
op_string[out_op], out_data, out_address,
status_string[in_op], in_data, in_address);
@ -498,7 +498,7 @@ static dmi_status_t dmi_scan(struct target *target, uint32_t *address_in,
if (address_in)
*address_in = buf_get_u32(in, DTM_DMI_ADDRESS_OFFSET, info->abits);
dump_field(&field);
dump_field(idle_count, &field);
return buf_get_u32(in, DTM_DMI_OP_OFFSET, DTM_DMI_OP_LENGTH);
}
@ -697,7 +697,24 @@ static int wait_for_idle(struct target *target, uint32_t *abstractcs)
static int execute_abstract_command(struct target *target, uint32_t command)
{
RISCV013_INFO(info);
LOG_DEBUG("command=0x%x", command);
if (debug_level >= LOG_LVL_DEBUG) {
switch (get_field(command, DMI_COMMAND_CMDTYPE)) {
case 0:
LOG_DEBUG("command=0x%x; access register, size=%d, postexec=%d, "
"transfer=%d, write=%d, regno=0x%x",
command,
8 << get_field(command, AC_ACCESS_REGISTER_SIZE),
get_field(command, AC_ACCESS_REGISTER_POSTEXEC),
get_field(command, AC_ACCESS_REGISTER_TRANSFER),
get_field(command, AC_ACCESS_REGISTER_WRITE),
get_field(command, AC_ACCESS_REGISTER_REGNO));
break;
default:
LOG_DEBUG("command=0x%x", command);
break;
}
}
dmi_write(target, DMI_COMMAND, command);
uint32_t abstractcs = 0;
@ -2326,6 +2343,8 @@ static int read_memory_progbuf(struct target *target, target_addr_t address,
uint8_t *buffer_i = buffer;
for (uint32_t i = 0; i < count; i++, address_i += size_i, buffer_i += size_i) {
/* TODO: This is much slower than it needs to be because we end up
* writing the address to read for every word we read. */
result = read_memory_progbuf_inner(target, address_i, size_i, count_i, buffer_i);
/* The read of a single word failed, so we will just return 0 for that instead */