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Diffstat (limited to 'src/target/arm920t.c')
-rw-r--r--src/target/arm920t.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/target/arm920t.c b/src/target/arm920t.c
index 7627b25e..c5064c11 100644
--- a/src/target/arm920t.c
+++ b/src/target/arm920t.c
@@ -89,11 +89,14 @@ static int arm920t_read_cp15_physical(struct target *target,
uint8_t access_type_buf = 1;
uint8_t reg_addr_buf = reg_addr & 0x3f;
uint8_t nr_w_buf = 0;
+ int retval;
jtag_info = &arm920t->arm7_9_common.jtag_info;
arm_jtag_scann(jtag_info, 0xf, TAP_IDLE);
- arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+ retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+ if (retval != ERROR_OK)
+ return retval;
fields[0].num_bits = 1;
fields[0].out_value = &access_type_buf;
@@ -137,13 +140,16 @@ static int arm920t_write_cp15_physical(struct target *target,
uint8_t reg_addr_buf = reg_addr & 0x3f;
uint8_t nr_w_buf = 1;
uint8_t value_buf[4];
+ int retval;
jtag_info = &arm920t->arm7_9_common.jtag_info;
buf_set_u32(value_buf, 0, 32, value);
arm_jtag_scann(jtag_info, 0xf, TAP_IDLE);
- arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+ retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+ if (retval != ERROR_OK)
+ return retval;
fields[0].num_bits = 1;
fields[0].out_value = &access_type_buf;
@@ -192,7 +198,9 @@ static int arm920t_execute_cp15(struct target *target, uint32_t cp15_opcode,
jtag_info = &arm920t->arm7_9_common.jtag_info;
arm_jtag_scann(jtag_info, 0xf, TAP_IDLE);
- arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+ retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+ if (retval != ERROR_OK)
+ return retval;
buf_set_u32(cp15_opcode_buf, 0, 32, cp15_opcode);