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-rw-r--r--src/target/xscale.c60
-rw-r--r--src/target/xscale.h11
2 files changed, 60 insertions, 11 deletions
diff --git a/src/target/xscale.c b/src/target/xscale.c
index d03184a..92c4ede 100644
--- a/src/target/xscale.c
+++ b/src/target/xscale.c
@@ -3218,28 +3218,66 @@ COMMAND_HANDLER(xscale_handle_idcache_command)
return ERROR_OK;
}
+static const struct {
+ char name[15];
+ unsigned mask;
+} vec_ids[] = {
+ { "fiq", DCSR_TF, },
+ { "irq", DCSR_TI, },
+ { "dabt", DCSR_TD, },
+ { "pabt", DCSR_TA, },
+ { "swi", DCSR_TS, },
+ { "undef", DCSR_TU, },
+ { "reset", DCSR_TR, },
+};
+
COMMAND_HANDLER(xscale_handle_vector_catch_command)
{
struct target *target = get_current_target(CMD_CTX);
struct xscale_common *xscale = target_to_xscale(target);
int retval;
+ uint32_t dcsr_value;
+ uint32_t catch = 0;
+ struct reg *dcsr_reg = &xscale->reg_cache->reg_list[XSCALE_DCSR];
retval = xscale_verify_pointer(CMD_CTX, xscale);
if (retval != ERROR_OK)
return retval;
- if (CMD_ARGC < 1)
- return ERROR_COMMAND_SYNTAX_ERROR;
- else {
- COMMAND_PARSE_NUMBER(u8, CMD_ARGV[0], xscale->vector_catch);
- buf_set_u32(xscale->reg_cache->reg_list[XSCALE_DCSR].value,
- 16,
- 8,
- xscale->vector_catch);
+ dcsr_value = buf_get_u32(dcsr_reg->value, 0, 32);
+ if (CMD_ARGC > 0) {
+ if (CMD_ARGC == 1) {
+ if (strcmp(CMD_ARGV[0], "all") == 0) {
+ catch = DCSR_TRAP_MASK;
+ CMD_ARGC--;
+ } else if (strcmp(CMD_ARGV[0], "none") == 0) {
+ catch = 0;
+ CMD_ARGC--;
+ }
+ }
+ while (CMD_ARGC-- > 0) {
+ unsigned i;
+ for (i = 0; i < ARRAY_SIZE(vec_ids); i++) {
+ if (strcmp(CMD_ARGV[CMD_ARGC], vec_ids[i].name))
+ continue;
+ catch |= vec_ids[i].mask;
+ break;
+ }
+ if (i == ARRAY_SIZE(vec_ids)) {
+ LOG_ERROR("No vector '%s'", CMD_ARGV[CMD_ARGC]);
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ }
+ *(uint32_t *)(dcsr_reg->value) &= ~DCSR_TRAP_MASK;
+ *(uint32_t *)(dcsr_reg->value) |= catch;
xscale_write_dcsr(target, -1, -1);
}
- command_print(CMD_CTX, "vector catch mask: 0x%2.2x", xscale->vector_catch);
+ dcsr_value = buf_get_u32(dcsr_reg->value, 0, 32);
+ for (unsigned i = 0; i < ARRAY_SIZE(vec_ids); i++) {
+ command_print(CMD_CTX, "%15s: %s", vec_ids[i].name,
+ (dcsr_value & vec_ids[i].mask) ? "catch" : "ignore");
+ }
return ERROR_OK;
}
@@ -3585,9 +3623,9 @@ static const struct command_registration xscale_exec_command_handlers[] = {
.name = "vector_catch",
.handler = xscale_handle_vector_catch_command,
.mode = COMMAND_EXEC,
- .help = "set or display 8-bit mask of vectors "
+ .help = "set or display mask of vectors "
"that should trigger debug entry",
- .usage = "[mask]",
+ .usage = "['all'|'none'|'fiq'|'irq'|'dabt'|'pabt'|'swi'|'undef'|'reset']",
},
{
.name = "vector_table",
diff --git a/src/target/xscale.h b/src/target/xscale.h
index c5cd7b7..a71ec35 100644
--- a/src/target/xscale.h
+++ b/src/target/xscale.h
@@ -176,4 +176,15 @@ enum {
#define ERROR_XSCALE_NO_TRACE_DATA (-700)
+/* DCSR bit and field definitions */
+#define DCSR_TR (1 << 16)
+#define DCSR_TU (1 << 17)
+#define DCSR_TS (1 << 18)
+#define DCSR_TA (1 << 19)
+#define DCSR_TD (1 << 20)
+#define DCSR_TI (1 << 22)
+#define DCSR_TF (1 << 23)
+#define DCSR_TRAP_MASK \
+ (DCSR_TF | DCSR_TI | DCSR_TD | DCSR_TA | DCSR_TS | DCSR_TU | DCSR_TR)
+
#endif /* XSCALE_H */