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Diffstat (limited to 'src/target/armv4_5.c')
-rw-r--r--src/target/armv4_5.c71
1 files changed, 60 insertions, 11 deletions
diff --git a/src/target/armv4_5.c b/src/target/armv4_5.c
index e6ecfc8..2029ca9 100644
--- a/src/target/armv4_5.c
+++ b/src/target/armv4_5.c
@@ -666,14 +666,19 @@ int arm_arch_state(struct target *target)
return ERROR_FAIL;
}
+ /* avoid filling log waiting for fileio reply */
+ if (arm->semihosting_hit_fileio)
+ return ERROR_OK;
+
LOG_USER("target halted in %s state due to %s, current mode: %s\n"
- "cpsr: 0x%8.8" PRIx32 " pc: 0x%8.8" PRIx32 "%s",
+ "cpsr: 0x%8.8" PRIx32 " pc: 0x%8.8" PRIx32 "%s%s",
arm_state_strings[arm->core_state],
debug_reason_name(target),
arm_mode_name(arm->core_mode),
buf_get_u32(arm->cpsr->value, 0, 32),
buf_get_u32(arm->pc->value, 0, 32),
- arm->is_semihosting ? ", semihosting" : "");
+ arm->is_semihosting ? ", semihosting" : "",
+ arm->is_semihosting_fileio ? " fileio" : "");
return ERROR_OK;
}
@@ -811,7 +816,7 @@ COMMAND_HANDLER(handle_arm_disassemble_command)
}
struct arm *arm = target_to_arm(target);
- uint32_t address;
+ target_addr_t address;
int count = 1;
int thumb = 0;
@@ -835,7 +840,7 @@ COMMAND_HANDLER(handle_arm_disassemble_command)
COMMAND_PARSE_NUMBER(int, CMD_ARGV[1], count);
/* FALL THROUGH */
case 1:
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
+ COMMAND_PARSE_ADDRESS(CMD_ARGV[0], address);
if (address & 0x01) {
if (!thumb) {
command_print(CMD_CTX, "Disassemble as Thumb");
@@ -1055,6 +1060,37 @@ COMMAND_HANDLER(handle_arm_semihosting_command)
return ERROR_OK;
}
+COMMAND_HANDLER(handle_arm_semihosting_fileio_command)
+{
+ struct target *target = get_current_target(CMD_CTX);
+
+ if (target == NULL) {
+ LOG_ERROR("No target selected");
+ return ERROR_FAIL;
+ }
+
+ struct arm *arm = target_to_arm(target);
+
+ if (!is_arm(arm)) {
+ command_print(CMD_CTX, "current target isn't an ARM");
+ return ERROR_FAIL;
+ }
+
+ if (!arm->is_semihosting) {
+ command_print(CMD_CTX, "semihosting is not enabled");
+ return ERROR_FAIL;
+ }
+
+ if (CMD_ARGC > 0)
+ COMMAND_PARSE_ENABLE(CMD_ARGV[0], arm->is_semihosting_fileio);
+
+ command_print(CMD_CTX, "semihosting fileio is %s",
+ arm->is_semihosting_fileio
+ ? "enabled" : "disabled");
+
+ return ERROR_OK;
+}
+
static const struct command_registration arm_exec_command_handlers[] = {
{
.name = "reg",
@@ -1097,6 +1133,13 @@ static const struct command_registration arm_exec_command_handlers[] = {
.usage = "['enable'|'disable']",
.help = "activate support for semihosting operations",
},
+ {
+ "semihosting_fileio",
+ .handler = handle_arm_semihosting_fileio_command,
+ .mode = COMMAND_EXEC,
+ .usage = "['enable'|'disable']",
+ .help = "activate support for semihosting fileio operations",
+ },
COMMAND_REGISTRATION_DONE
};
@@ -1391,8 +1434,8 @@ int armv4_5_run_algorithm(struct target *target,
struct mem_param *mem_params,
int num_reg_params,
struct reg_param *reg_params,
- uint32_t entry_point,
- uint32_t exit_point,
+ target_addr_t entry_point,
+ target_addr_t exit_point,
int timeout_ms,
void *arch_info)
{
@@ -1401,8 +1444,8 @@ int armv4_5_run_algorithm(struct target *target,
mem_params,
num_reg_params,
reg_params,
- entry_point,
- exit_point,
+ (uint32_t)entry_point,
+ (uint32_t)exit_point,
timeout_ms,
arch_info,
armv4_5_run_algorithm_completion);
@@ -1413,7 +1456,7 @@ int armv4_5_run_algorithm(struct target *target,
*
*/
int arm_checksum_memory(struct target *target,
- uint32_t address, uint32_t count, uint32_t *checksum)
+ target_addr_t address, uint32_t count, uint32_t *checksum)
{
struct working_area *crc_algorithm;
struct arm_algorithm arm_algo;
@@ -1486,7 +1529,7 @@ cleanup:
*
*/
int arm_blank_check_memory(struct target *target,
- uint32_t address, uint32_t count, uint32_t *blank)
+ target_addr_t address, uint32_t count, uint32_t *blank, uint8_t erased_value)
{
struct working_area *check_algorithm;
struct reg_param reg_params[3];
@@ -1502,6 +1545,12 @@ int arm_blank_check_memory(struct target *target,
assert(sizeof(check_code_le) % 4 == 0);
+ if (erased_value != 0xff) {
+ LOG_ERROR("Erase value 0x%02" PRIx8 " not yet supported for ARMv4/v5 targets",
+ erased_value);
+ return ERROR_FAIL;
+ }
+
/* make sure we have a working area */
retval = target_alloc_working_area(target,
sizeof(check_code_le), &check_algorithm);
@@ -1529,7 +1578,7 @@ int arm_blank_check_memory(struct target *target,
buf_set_u32(reg_params[1].value, 0, 32, count);
init_reg_param(&reg_params[2], "r2", 32, PARAM_IN_OUT);
- buf_set_u32(reg_params[2].value, 0, 32, 0xff);
+ buf_set_u32(reg_params[2].value, 0, 32, erased_value);
/* armv4 must exit using a hardware breakpoint */
if (arm->is_armv4)