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-rw-r--r--src/target/mips_ejtag.c22
-rw-r--r--src/target/mips_ejtag.h2
2 files changed, 10 insertions, 14 deletions
diff --git a/src/target/mips_ejtag.c b/src/target/mips_ejtag.c
index 6ce702fd..8e1404f1 100644
--- a/src/target/mips_ejtag.c
+++ b/src/target/mips_ejtag.c
@@ -28,13 +28,12 @@
#include "mips32.h"
#include "mips_ejtag.h"
-int mips_ejtag_set_instr(struct mips_ejtag *ejtag_info, int new_instr)
+void mips_ejtag_set_instr(struct mips_ejtag *ejtag_info, int new_instr)
{
struct jtag_tap *tap;
tap = ejtag_info->tap;
- if (tap == NULL)
- return ERROR_FAIL;
+ assert(tap != NULL);
if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != (uint32_t)new_instr)
{
@@ -48,8 +47,6 @@ int mips_ejtag_set_instr(struct mips_ejtag *ejtag_info, int new_instr)
jtag_add_ir_scan(tap, &field, TAP_IDLE);
}
-
- return ERROR_OK;
}
int mips_ejtag_get_idcode(struct mips_ejtag *ejtag_info, uint32_t *idcode)
@@ -98,9 +95,8 @@ int mips_ejtag_drscan_32(struct mips_ejtag *ejtag_info, uint32_t *data)
{
struct jtag_tap *tap;
tap = ejtag_info->tap;
+ assert(tap != NULL);
- if (tap == NULL)
- return ERROR_FAIL;
struct scan_field field;
uint8_t t[4], r[4];
int retval;
@@ -129,9 +125,8 @@ int mips_ejtag_drscan_8(struct mips_ejtag *ejtag_info, uint32_t *data)
{
struct jtag_tap *tap;
tap = ejtag_info->tap;
+ assert(tap != NULL);
- if (tap == NULL)
- return ERROR_FAIL;
struct scan_field field;
uint8_t t[4] = {0, 0, 0, 0}, r[4];
int retval;
@@ -219,7 +214,10 @@ int mips_ejtag_enter_debug(struct mips_ejtag *ejtag_info)
mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl);
LOG_DEBUG("ejtag_ctrl: 0x%8.8" PRIx32 "", ejtag_ctrl);
if ((ejtag_ctrl & EJTAG_CTRL_BRKST) == 0)
- LOG_DEBUG("Failed to enter Debug Mode!");
+ {
+ LOG_ERROR("Failed to enter Debug Mode!");
+ return ERROR_FAIL;
+ }
return ERROR_OK;
}
@@ -311,9 +309,7 @@ int mips_ejtag_fastdata_scan(struct mips_ejtag *ejtag_info, int write_t, uint32_
{
struct jtag_tap *tap;
tap = ejtag_info->tap;
-
- if (tap == NULL)
- return ERROR_FAIL;
+ assert(tap != NULL);
struct scan_field fields[2];
uint8_t spracc = 0;
diff --git a/src/target/mips_ejtag.h b/src/target/mips_ejtag.h
index 0db0504a..63b6093c 100644
--- a/src/target/mips_ejtag.h
+++ b/src/target/mips_ejtag.h
@@ -131,7 +131,7 @@ struct mips_ejtag
int fast_access_save;
};
-int mips_ejtag_set_instr(struct mips_ejtag *ejtag_info,
+void mips_ejtag_set_instr(struct mips_ejtag *ejtag_info,
int new_instr);
int mips_ejtag_enter_debug(struct mips_ejtag *ejtag_info);
int mips_ejtag_exit_debug(struct mips_ejtag *ejtag_info);