diff --git a/src/flash/nor/aduc702x.c b/src/flash/nor/aduc702x.c
index fa1aeb479..34cc362eb 100644
--- a/src/flash/nor/aduc702x.c
+++ b/src/flash/nor/aduc702x.c
@@ -371,7 +371,7 @@ static int aduc702x_check_flash_completion(struct target *target, unsigned int t
 {
 	uint8_t v = 4;
 
-	long long endtime = timeval_ms() + timeout_ms;
+	int64_t endtime = timeval_ms() + timeout_ms;
 	while (1) {
 		target_read_u8(target, ADUC702x_FLASH + ADUC702x_FLASH_FEESTA, &v);
 		if ((v & 4) == 0)
diff --git a/src/flash/nor/aducm360.c b/src/flash/nor/aducm360.c
index 0f85254a8..8681a25af 100644
--- a/src/flash/nor/aducm360.c
+++ b/src/flash/nor/aducm360.c
@@ -551,7 +551,7 @@ static int aducm360_check_flash_completion(struct target *target, unsigned int t
 {
 	uint32_t v = 1;
 
-	long long endtime = timeval_ms() + timeout_ms;
+	int64_t endtime = timeval_ms() + timeout_ms;
 	while (1) {
 		target_read_u32(target, ADUCM360_FLASH_BASE+ADUCM360_FLASH_FEESTA, &v);
 		if ((v & 0x00000001) == 0)
diff --git a/src/flash/nor/at91sam3.c b/src/flash/nor/at91sam3.c
index 69b8e3de8..1536378df 100644
--- a/src/flash/nor/at91sam3.c
+++ b/src/flash/nor/at91sam3.c
@@ -2175,7 +2175,7 @@ static int EFC_PerformCommand(struct sam3_bank_private *pPrivate,
 
 	int r;
 	uint32_t v;
-	long long ms_now, ms_end;
+	int64_t ms_now, ms_end;
 
 	/* default */
 	if (status)
diff --git a/src/flash/nor/at91sam4.c b/src/flash/nor/at91sam4.c
index 8431729ed..50aa98b89 100644
--- a/src/flash/nor/at91sam4.c
+++ b/src/flash/nor/at91sam4.c
@@ -1053,7 +1053,7 @@ static int EFC_PerformCommand(struct sam4_bank_private *pPrivate,
 
 	int r;
 	uint32_t v;
-	long long ms_now, ms_end;
+	int64_t ms_now, ms_end;
 
 	/* default */
 	if (status)
diff --git a/src/flash/nor/atsamv.c b/src/flash/nor/atsamv.c
index 0658c5906..d21419d09 100644
--- a/src/flash/nor/atsamv.c
+++ b/src/flash/nor/atsamv.c
@@ -147,7 +147,7 @@ static int samv_efc_perform_command(struct target *target,
 {
 	int r;
 	uint32_t v;
-	long long ms_now, ms_end;
+	int64_t ms_now, ms_end;
 
 	if (status)
 		*status = 0;
diff --git a/src/flash/nor/jtagspi.c b/src/flash/nor/jtagspi.c
index 0ba4dc21e..a995fc756 100644
--- a/src/flash/nor/jtagspi.c
+++ b/src/flash/nor/jtagspi.c
@@ -210,14 +210,14 @@ static void jtagspi_read_status(struct flash_bank *bank, uint32_t *status)
 static int jtagspi_wait(struct flash_bank *bank, int timeout_ms)
 {
 	uint32_t status;
-	long long t0 = timeval_ms();
-	long long dt;
+	int64_t t0 = timeval_ms();
+	int64_t dt;
 
 	do {
 		dt = timeval_ms() - t0;
 		jtagspi_read_status(bank, &status);
 		if ((status & SPIFLASH_BSY_BIT) == 0) {
-			LOG_DEBUG("waited %lld ms", dt);
+			LOG_DEBUG("waited %" PRId64 " ms", dt);
 			return ERROR_OK;
 		}
 		alive_sleep(1);
@@ -244,14 +244,14 @@ static int jtagspi_bulk_erase(struct flash_bank *bank)
 {
 	struct jtagspi_flash_bank *info = bank->driver_priv;
 	int retval;
-	long long t0 = timeval_ms();
+	int64_t t0 = timeval_ms();
 
 	retval = jtagspi_write_enable(bank);
 	if (retval != ERROR_OK)
 		return retval;
 	jtagspi_cmd(bank, info->dev->chip_erase_cmd, NULL, NULL, 0);
 	retval = jtagspi_wait(bank, bank->num_sectors*JTAGSPI_MAX_TIMEOUT);
-	LOG_INFO("took %lld ms", timeval_ms() - t0);
+	LOG_INFO("took %" PRId64 " ms", timeval_ms() - t0);
 	return retval;
 }
 
@@ -259,14 +259,14 @@ static int jtagspi_sector_erase(struct flash_bank *bank, int sector)
 {
 	struct jtagspi_flash_bank *info = bank->driver_priv;
 	int retval;
-	long long t0 = timeval_ms();
+	int64_t t0 = timeval_ms();
 
 	retval = jtagspi_write_enable(bank);
 	if (retval != ERROR_OK)
 		return retval;
 	jtagspi_cmd(bank, info->dev->erase_cmd, &bank->sectors[sector].offset, NULL, 0);
 	retval = jtagspi_wait(bank, JTAGSPI_MAX_TIMEOUT);
-	LOG_INFO("sector %d took %lld ms", sector, timeval_ms() - t0);
+	LOG_INFO("sector %d took %" PRId64 " ms", sector, timeval_ms() - t0);
 	return retval;
 }
 
diff --git a/src/flash/nor/lpcspifi.c b/src/flash/nor/lpcspifi.c
index 94a8ccf48..4eb6cc38a 100644
--- a/src/flash/nor/lpcspifi.c
+++ b/src/flash/nor/lpcspifi.c
@@ -106,7 +106,7 @@ static int ssp_setcs(struct target *target, uint32_t io_base, unsigned int value
  * and the controller is idle. */
 static int poll_ssp_busy(struct target *target, uint32_t ssp_base, int timeout)
 {
-	long long endtime;
+	int64_t endtime;
 	uint32_t value;
 	int retval;
 
@@ -325,7 +325,7 @@ static int wait_till_ready(struct flash_bank *bank, int timeout)
 {
 	uint32_t status;
 	int retval;
-	long long endtime;
+	int64_t endtime;
 
 	endtime = timeval_ms() + timeout;
 	do {
diff --git a/src/flash/nor/stmsmi.c b/src/flash/nor/stmsmi.c
index e4d59fe33..781ea3b5b 100644
--- a/src/flash/nor/stmsmi.c
+++ b/src/flash/nor/stmsmi.c
@@ -160,7 +160,7 @@ FLASH_BANK_COMMAND_HANDLER(stmsmi_flash_bank_command)
 /* timeout in ms */
 static int poll_tff(struct target *target, uint32_t io_base, int timeout)
 {
-	long long endtime;
+	int64_t endtime;
 
 	if (SMI_READ_REG(SMI_SR) & SMI_TFF)
 		return ERROR_OK;
@@ -211,7 +211,7 @@ static int wait_till_ready(struct flash_bank *bank, int timeout)
 {
 	uint32_t status;
 	int retval;
-	long long endtime;
+	int64_t endtime;
 
 	endtime = timeval_ms() + timeout;
 	do {
diff --git a/src/helper/command.c b/src/helper/command.c
index bd7113a78..fc4aac72e 100644
--- a/src/helper/command.c
+++ b/src/helper/command.c
@@ -1173,8 +1173,8 @@ COMMAND_HANDLER(handle_sleep_command)
 		return retval;
 
 	if (!busy) {
-		long long then = timeval_ms();
-		while (timeval_ms() - then < (long long)duration) {
+		int64_t then = timeval_ms();
+		while (timeval_ms() - then < (int64_t)duration) {
 			target_call_timer_callbacks_now();
 			usleep(1000);
 		}
diff --git a/src/helper/log.c b/src/helper/log.c
index 50a3bd780..79cbd8ec8 100644
--- a/src/helper/log.c
+++ b/src/helper/log.c
@@ -45,10 +45,10 @@ int debug_level = -1;
 static FILE *log_output;
 static struct log_callback *log_callbacks;
 
-static long long last_time;
-static long long current_time;
+static int64_t last_time;
+static int64_t current_time;
 
-static long long start;
+static int64_t start;
 
 static const char * const log_strings[5] = {
 	"User : ",
@@ -134,12 +134,12 @@ static void log_puts(enum log_levels level,
 	if (strlen(string) > 0) {
 		if (debug_level >= LOG_LVL_DEBUG) {
 			/* print with count and time information */
-			int t = (int)(timeval_ms()-start);
+			int64_t t = timeval_ms() - start;
 #ifdef _DEBUG_FREE_SPACE_
 			struct mallinfo info;
 			info = mallinfo();
 #endif
-			fprintf(log_output, "%s%d %d %s:%d %s()"
+			fprintf(log_output, "%s%d %" PRId64 " %s:%d %s()"
 #ifdef _DEBUG_FREE_SPACE_
 				" %d"
 #endif
@@ -410,12 +410,12 @@ void keep_alive()
 		if (gdb_actual_connections)
 			LOG_WARNING("keep_alive() was not invoked in the "
 				"1000ms timelimit. GDB alive packet not "
-				"sent! (%lld). Workaround: increase "
+				"sent! (%" PRId64 "). Workaround: increase "
 				"\"set remotetimeout\" in GDB",
 				current_time-last_time);
 		else
 			LOG_DEBUG("keep_alive() was not invoked in the "
-				"1000ms timelimit (%lld). This may cause "
+				"1000ms timelimit (%" PRId64 "). This may cause "
 				"trouble with GDB connections.",
 				current_time-last_time);
 	}
diff --git a/src/helper/time_support_common.c b/src/helper/time_support_common.c
index e8cdc2c8e..b733c270e 100644
--- a/src/helper/time_support_common.c
+++ b/src/helper/time_support_common.c
@@ -31,7 +31,7 @@
 /* simple and low overhead fetching of ms counter. Use only
  * the difference between ms counters returned from this fn.
  */
-int64_t timeval_ms()
+int64_t timeval_ms(void)
 {
 	struct timeval now;
 	int retval = gettimeofday(&now, NULL);
diff --git a/src/jtag/aice/aice_pipe.c b/src/jtag/aice/aice_pipe.c
index 64f126ddc..18ad40eaa 100644
--- a/src/jtag/aice/aice_pipe.c
+++ b/src/jtag/aice/aice_pipe.c
@@ -174,7 +174,7 @@ static int aice_pipe_write(const void *buffer, int count)
 static int aice_pipe_read(void *buffer, int count)
 {
 	int n;
-	long long then, cur;
+	int64_t then, cur;
 
 	then = timeval_ms();
 
diff --git a/src/jtag/aice/aice_usb.c b/src/jtag/aice/aice_usb.c
index f5b995327..b27f72004 100644
--- a/src/jtag/aice/aice_usb.c
+++ b/src/jtag/aice/aice_usb.c
@@ -1856,7 +1856,7 @@ static int aice_check_dbger(uint32_t coreid, uint32_t expect_status)
 		if ((i % 30) == 0)
 			keep_alive();
 
-		long long then = 0;
+		int64_t then = 0;
 		if (i == aice_count_to_check_dbger)
 			then = timeval_ms();
 		if (i >= aice_count_to_check_dbger) {
@@ -2997,7 +2997,7 @@ static int aice_usb_step(uint32_t coreid)
 		if (AICE_TARGET_HALTED == state)
 			break;
 
-		long long then = 0;
+		int64_t then = 0;
 		if (i == 30)
 			then = timeval_ms();
 
diff --git a/src/jtag/tcl.c b/src/jtag/tcl.c
index e4d63296a..bc6bbf204 100644
--- a/src/jtag/tcl.c
+++ b/src/jtag/tcl.c
@@ -1247,7 +1247,7 @@ COMMAND_HANDLER(handle_wait_srst_deassert)
 
 	LOG_USER("Waiting for srst assert + deassert for at most %dms", timeout_ms);
 	int asserted_yet;
-	long long then = timeval_ms();
+	int64_t then = timeval_ms();
 	while (jtag_srst_asserted(&asserted_yet) == ERROR_OK) {
 		if ((timeval_ms() - then) > timeout_ms) {
 			LOG_ERROR("Timed out");
diff --git a/src/jtag/zy1000/zy1000.c b/src/jtag/zy1000/zy1000.c
index 271a28177..67d990700 100644
--- a/src/jtag/zy1000/zy1000.c
+++ b/src/jtag/zy1000/zy1000.c
@@ -145,8 +145,8 @@ static int zy1000_power_dropout(int *dropout)
 static void waitSRST(bool asserted)
 {
 	bool first = true;
-	long long start = 0;
-	long total = 0;
+	int64_t start = 0;
+	int64_t total = 0;
 	const char *mode = asserted ? "assert" : "deassert";
 
 	for (;; ) {
@@ -167,7 +167,7 @@ static void waitSRST(bool asserted)
 		keep_alive();
 
 		if (total > 5000) {
-			LOG_ERROR("SRST took too long to %s: %dms", mode, (int)total);
+			LOG_ERROR("SRST took too long to %s: %" PRId64 "ms", mode, total);
 			break;
 		}
 	}
diff --git a/src/svf/svf.c b/src/svf/svf.c
index 5f95b0c60..e7e815c10 100644
--- a/src/svf/svf.c
+++ b/src/svf/svf.c
@@ -361,7 +361,7 @@ COMMAND_HANDLER(handle_svf_command)
 #define SVF_MAX_NUM_OF_OPTIONS 5
 	int command_num = 0;
 	int ret = ERROR_OK;
-	long long time_measure_ms;
+	int64_t time_measure_ms;
 	int time_measure_s, time_measure_m;
 
 	/* use NULL to indicate a "plain" svf file which accounts for
@@ -535,7 +535,7 @@ COMMAND_HANDLER(handle_svf_command)
 	time_measure_s %= 60;
 	if (time_measure_ms < 1000)
 		command_print(CMD_CTX,
-			"\r\nTime used: %dm%ds%lldms ",
+			"\r\nTime used: %dm%ds%" PRId64 "ms ",
 			time_measure_m,
 			time_measure_s,
 			time_measure_ms);
diff --git a/src/target/adi_v5_jtag.c b/src/target/adi_v5_jtag.c
index 272d308fd..36d5cad51 100644
--- a/src/target/adi_v5_jtag.c
+++ b/src/target/adi_v5_jtag.c
@@ -357,7 +357,7 @@ static int jtagdp_overrun_check(struct adiv5_dap *dap)
 	int retval;
 	struct dap_cmd *el, *tmp, *prev = NULL;
 	int found_wait = 0;
-	uint64_t time_now;
+	int64_t time_now;
 	LIST_HEAD(replay_list);
 
 	/* make sure all queued transactions are complete */
diff --git a/src/target/arm11.c b/src/target/arm11.c
index 32c244f02..5f1607396 100644
--- a/src/target/arm11.c
+++ b/src/target/arm11.c
@@ -390,7 +390,7 @@ static int arm11_halt(struct target *target)
 			break;
 
 
-		long long then = 0;
+		int64_t then = 0;
 		if (i == 1000)
 			then = timeval_ms();
 		if (i >= 1000) {
@@ -512,7 +512,7 @@ static int arm11_resume(struct target *target, int current,
 			break;
 
 
-		long long then = 0;
+		int64_t then = 0;
 		if (i == 1000)
 			then = timeval_ms();
 		if (i >= 1000) {
diff --git a/src/target/arm11_dbgtap.c b/src/target/arm11_dbgtap.c
index 96e6891d0..2232b3ef6 100644
--- a/src/target/arm11_dbgtap.c
+++ b/src/target/arm11_dbgtap.c
@@ -408,7 +408,7 @@ int arm11_run_instr_no_data(struct arm11_common *arm11,
 			if (flag)
 				break;
 
-			long long then = 0;
+			int64_t then = 0;
 
 			if (i == 1000)
 				then = timeval_ms();
@@ -491,7 +491,7 @@ int arm11_run_instr_data_to_core(struct arm11_common *arm11,
 
 			JTAG_DEBUG("DTR  Ready %d  nRetry %d", Ready, nRetry);
 
-			long long then = 0;
+			int64_t then = 0;
 
 			if (i == 1000)
 				then = timeval_ms();
@@ -523,7 +523,7 @@ int arm11_run_instr_data_to_core(struct arm11_common *arm11,
 		JTAG_DEBUG("DTR  Data %08x  Ready %d  nRetry %d",
 			(unsigned) Data, Ready, nRetry);
 
-		long long then = 0;
+		int64_t then = 0;
 
 		if (i == 1000)
 			then = timeval_ms();
@@ -787,7 +787,7 @@ int arm11_run_instr_data_from_core(struct arm11_common *arm11,
 			JTAG_DEBUG("DTR  Data %08x  Ready %d  nRetry %d",
 				(unsigned) Data, Ready, nRetry);
 
-			long long then = 0;
+			int64_t then = 0;
 
 			if (i == 1000)
 				then = timeval_ms();
@@ -922,7 +922,7 @@ int arm11_sc7_run(struct arm11_common *arm11, struct arm11_sc7_action *actions,
 			if (Ready)
 				break;
 
-			long long then = 0;
+			int64_t then = 0;
 
 			if (i_n == 1000)
 				then = timeval_ms();
diff --git a/src/target/arm720t.c b/src/target/arm720t.c
index 49b72fe87..3991e19f8 100644
--- a/src/target/arm720t.c
+++ b/src/target/arm720t.c
@@ -336,7 +336,7 @@ static int arm720t_soft_reset_halt(struct target *target)
 	if (retval != ERROR_OK)
 		return retval;
 
-	long long then = timeval_ms();
+	int64_t then = timeval_ms();
 	int timeout;
 	while (!(timeout = ((timeval_ms()-then) > 1000))) {
 		if (buf_get_u32(dbg_stat->value, EICE_DBG_STATUS_DBGACK, 1) == 0) {
diff --git a/src/target/arm7_9_common.c b/src/target/arm7_9_common.c
index 6ee2b9218..c1d5c7944 100644
--- a/src/target/arm7_9_common.c
+++ b/src/target/arm7_9_common.c
@@ -634,8 +634,8 @@ int arm7_9_execute_sys_speed(struct target *target)
 	if (retval != ERROR_OK)
 		return retval;
 
-	long long then = timeval_ms();
-	int timeout;
+	int64_t then = timeval_ms();
+	bool timeout;
 	while (!(timeout = ((timeval_ms()-then) > 1000))) {
 		/* read debug status register */
 		embeddedice_read_reg(dbg_stat);
diff --git a/src/target/arm920t.c b/src/target/arm920t.c
index aafc44a90..2c96d1935 100644
--- a/src/target/arm920t.c
+++ b/src/target/arm920t.c
@@ -751,8 +751,8 @@ int arm920t_soft_reset_halt(struct target *target)
 	if (retval != ERROR_OK)
 		return retval;
 
-	long long then = timeval_ms();
-	int timeout;
+	int64_t then = timeval_ms();
+	bool timeout;
 	while (!(timeout = ((timeval_ms()-then) > 1000))) {
 		if (buf_get_u32(dbg_stat->value, EICE_DBG_STATUS_DBGACK, 1) == 0) {
 			embeddedice_read_reg(dbg_stat);
diff --git a/src/target/arm926ejs.c b/src/target/arm926ejs.c
index 397859bd6..d7c043e80 100644
--- a/src/target/arm926ejs.c
+++ b/src/target/arm926ejs.c
@@ -87,7 +87,7 @@ static int arm926ejs_cp15_read(struct target *target, uint32_t op1, uint32_t op2
 
 	jtag_add_dr_scan(jtag_info->tap, 4, fields, TAP_IDLE);
 
-	long long then = timeval_ms();
+	int64_t then = timeval_ms();
 
 	for (;;) {
 		/* rescan with NOP, to wait for the access to complete */
@@ -173,7 +173,7 @@ static int arm926ejs_cp15_write(struct target *target, uint32_t op1, uint32_t op
 
 	jtag_add_dr_scan(jtag_info->tap, 4, fields, TAP_IDLE);
 
-	long long then = timeval_ms();
+	int64_t then = timeval_ms();
 
 	for (;;) {
 		/* rescan with NOP, to wait for the access to complete */
@@ -546,7 +546,7 @@ int arm926ejs_soft_reset_halt(struct target *target)
 	if (retval != ERROR_OK)
 		return retval;
 
-	long long then = timeval_ms();
+	int64_t then = timeval_ms();
 	int timeout;
 	while (!(timeout = ((timeval_ms()-then) > 1000))) {
 		if (buf_get_u32(dbg_stat->value, EICE_DBG_STATUS_DBGACK, 1) == 0) {
diff --git a/src/target/mips32_pracc.c b/src/target/mips32_pracc.c
index 5c27f0ada..7cc0424fb 100644
--- a/src/target/mips32_pracc.c
+++ b/src/target/mips32_pracc.c
@@ -86,7 +86,7 @@ struct mips32_pracc_context {
 static int wait_for_pracc_rw(struct mips_ejtag *ejtag_info, uint32_t *ctrl)
 {
 	uint32_t ejtag_ctrl;
-	long long then = timeval_ms();
+	int64_t then = timeval_ms();
 
 	/* wait for the PrAcc to become "1" */
 	mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL);
@@ -100,7 +100,7 @@ static int wait_for_pracc_rw(struct mips_ejtag *ejtag_info, uint32_t *ctrl)
 		if (ejtag_ctrl & EJTAG_CTRL_PRACC)
 			break;
 
-		int timeout = timeval_ms() - then;
+		int64_t timeout = timeval_ms() - then;
 		if (timeout > 1000) {
 			LOG_DEBUG("DEBUGMODULE: No memory access in progress!");
 			return ERROR_JTAG_DEVICE_ERROR;
diff --git a/src/target/target.c b/src/target/target.c
index d71828c0f..084aea8b6 100644
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -532,7 +532,7 @@ int target_poll(struct target *target)
 		if (target->state == TARGET_HALTED)
 			target->halt_issued = false;
 		else {
-			long long t = timeval_ms() - target->halt_issued_time;
+			int64_t t = timeval_ms() - target->halt_issued_time;
 			if (t > DEFAULT_HALT_TIMEOUT) {
 				target->halt_issued = false;
 				LOG_INFO("Halt timed out, wake up GDB.");
@@ -2446,9 +2446,9 @@ static int sense_handler(void)
 	if (powerRestored)
 		runPowerRestore = 1;
 
-	long long current = timeval_ms();
-	static long long lastPower;
-	int waitMore = lastPower + 2000 > current;
+	int64_t current = timeval_ms();
+	static int64_t lastPower;
+	bool waitMore = lastPower + 2000 > current;
 	if (powerDropout && !waitMore) {
 		runPowerDropout = 1;
 		lastPower = current;
@@ -2461,7 +2461,7 @@ static int sense_handler(void)
 	int srstDeasserted;
 	srstDeasserted = prevSrstAsserted && !srstAsserted;
 
-	static long long lastSrst;
+	static int64_t lastSrst;
 	waitMore = lastSrst + 2000 > current;
 	if (srstDeasserted && !waitMore) {
 		runSrstDeasserted = 1;
@@ -2771,8 +2771,8 @@ COMMAND_HANDLER(handle_wait_halt_command)
 int target_wait_state(struct target *target, enum target_state state, int ms)
 {
 	int retval;
-	long long then = 0, cur;
-	int once = 1;
+	int64_t then = 0, cur;
+	bool once = true;
 
 	for (;;) {
 		retval = target_poll(target);
@@ -2782,7 +2782,7 @@ int target_wait_state(struct target *target, enum target_state state, int ms)
 			break;
 		cur = timeval_ms();
 		if (once) {
-			once = 0;
+			once = false;
 			then = timeval_ms();
 			LOG_DEBUG("waiting for target %s...",
 				Jim_Nvp_value2name_simple(nvp_target_state, state)->name);
@@ -5664,7 +5664,7 @@ COMMAND_HANDLER(handle_fast_load_command)
 		return ERROR_FAIL;
 	}
 	int i;
-	int ms = timeval_ms();
+	int64_t ms = timeval_ms();
 	int size = 0;
 	int retval = ERROR_OK;
 	for (i = 0; i < fastload_num; i++) {
@@ -5678,7 +5678,7 @@ COMMAND_HANDLER(handle_fast_load_command)
 		size += fastload[i].length;
 	}
 	if (retval == ERROR_OK) {
-		int after = timeval_ms();
+		int64_t after = timeval_ms();
 		command_print(CMD_CTX, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
 	}
 	return retval;
diff --git a/src/target/target.h b/src/target/target.h
index bce31105e..0cee1170f 100644
--- a/src/target/target.h
+++ b/src/target/target.h
@@ -175,7 +175,7 @@ struct target {
 	int display;						/* display async info in telnet session. Do not display
 										 * lots of halted/resumed info when stepping in debugger. */
 	bool halt_issued;					/* did we transition to halted state? */
-	long long halt_issued_time;			/* Note time when halt was issued */
+	int64_t halt_issued_time;			/* Note time when halt was issued */
 
 	bool dbgbase_set;					/* By default the debug base is not set */
 	uint32_t dbgbase;					/* Really a Cortex-A specific option, but there is no