From 8f36db5a48c12b86681d4a0177114e7d43c99565 Mon Sep 17 00:00:00 2001
From: Jyri Sarha <jyri.sarha@linux.intel.com>
Date: Thu, 7 Nov 2024 21:41:25 +0200
Subject: [PATCH] drivers: timer: Export sys_clock_cycle_get_64()
 implementations

Export sys_clock_cycle_get_64() implementations to enable k_cycle_get_64()
calls from llext libraries.

Signed-off-by: Jyri Sarha <jyri.sarha@linux.intel.com>
---
 drivers/timer/apic_timer.c              | 1 +
 drivers/timer/apic_tsc.c                | 1 +
 drivers/timer/arm_arch_timer.c          | 1 +
 drivers/timer/cc13xx_cc26xx_rtc_timer.c | 1 +
 drivers/timer/cortex_m_systick.c        | 1 +
 drivers/timer/esp32_sys_timer.c         | 1 +
 drivers/timer/hpet.c                    | 1 +
 drivers/timer/intel_adsp_timer.c        | 1 +
 drivers/timer/litex_timer.c             | 1 +
 drivers/timer/mcux_os_timer.c           | 1 +
 drivers/timer/mtk_adsp_timer.c          | 1 +
 drivers/timer/native_posix_timer.c      | 1 +
 drivers/timer/npcx_itim_timer.c         | 1 +
 drivers/timer/nrf_grtc_timer.c          | 1 +
 drivers/timer/riscv_machine_timer.c     | 1 +
 15 files changed, 15 insertions(+)

diff --git a/drivers/timer/apic_timer.c b/drivers/timer/apic_timer.c
index 2c16ba749000bdf..de2dec0c27d80f1 100644
--- a/drivers/timer/apic_timer.c
+++ b/drivers/timer/apic_timer.c
@@ -80,6 +80,7 @@ uint64_t sys_clock_cycle_get_64(void)
 
 	return cycles + (CYCLES_PER_TICK - ccr_2nd);
 }
+EXPORT_SYMBOL(sys_clock_cycle_get_64);
 
 uint32_t sys_clock_cycle_get_32(void)
 {
diff --git a/drivers/timer/apic_tsc.c b/drivers/timer/apic_tsc.c
index 0c617a01ca789e9..93086daae2e8d7d 100644
--- a/drivers/timer/apic_tsc.c
+++ b/drivers/timer/apic_tsc.c
@@ -209,6 +209,7 @@ uint64_t sys_clock_cycle_get_64(void)
 {
 	return rdtsc();
 }
+EXPORT_SYMBOL(sys_clock_cycle_get_64);
 
 static inline uint32_t timer_irq(void)
 {
diff --git a/drivers/timer/arm_arch_timer.c b/drivers/timer/arm_arch_timer.c
index 885eb3a369b1c2d..5d05a5c11a58f6b 100644
--- a/drivers/timer/arm_arch_timer.c
+++ b/drivers/timer/arm_arch_timer.c
@@ -190,6 +190,7 @@ uint64_t sys_clock_cycle_get_64(void)
 {
 	return arm_arch_timer_count();
 }
+EXPORT_SYMBOL(sys_clock_cycle_get_64);
 
 #ifdef CONFIG_ARCH_HAS_CUSTOM_BUSY_WAIT
 void arch_busy_wait(uint32_t usec_to_wait)
diff --git a/drivers/timer/cc13xx_cc26xx_rtc_timer.c b/drivers/timer/cc13xx_cc26xx_rtc_timer.c
index 3d45fb7d7daa7f2..20f443d8358513f 100644
--- a/drivers/timer/cc13xx_cc26xx_rtc_timer.c
+++ b/drivers/timer/cc13xx_cc26xx_rtc_timer.c
@@ -233,6 +233,7 @@ uint64_t sys_clock_cycle_get_64(void)
 {
 	return AONRTCCurrent64BitValueGet() / RTC_COUNTS_PER_CYCLE;
 }
+EXPORT_SYMBOL(sys_clock_cycle_get_64);
 
 static int sys_clock_driver_init(void)
 {
diff --git a/drivers/timer/cortex_m_systick.c b/drivers/timer/cortex_m_systick.c
index 1a3183af5e7048c..4a072e8335dd769 100644
--- a/drivers/timer/cortex_m_systick.c
+++ b/drivers/timer/cortex_m_systick.c
@@ -365,6 +365,7 @@ uint64_t sys_clock_cycle_get_64(void)
 	k_spin_unlock(&lock, key);
 	return ret;
 }
+EXPORT_SYMBOL(sys_clock_cycle_get_64);
 #endif
 
 void sys_clock_idle_exit(void)
diff --git a/drivers/timer/esp32_sys_timer.c b/drivers/timer/esp32_sys_timer.c
index bb36445d1131cf4..008b7088dccc010 100644
--- a/drivers/timer/esp32_sys_timer.c
+++ b/drivers/timer/esp32_sys_timer.c
@@ -133,6 +133,7 @@ uint64_t sys_clock_cycle_get_64(void)
 {
 	return get_systimer_alarm();
 }
+EXPORT_SYMBOL(sys_clock_cycle_get_64);
 
 void sys_clock_disable(void)
 {
diff --git a/drivers/timer/hpet.c b/drivers/timer/hpet.c
index 8a7134a762efa18..d138b30827ab1b1 100644
--- a/drivers/timer/hpet.c
+++ b/drivers/timer/hpet.c
@@ -401,6 +401,7 @@ uint64_t sys_clock_cycle_get_64(void)
 {
 	return hpet_counter_get();
 }
+EXPORT_SYMBOL(sys_clock_cycle_get_64);
 
 __pinned_func
 void sys_clock_idle_exit(void)
diff --git a/drivers/timer/intel_adsp_timer.c b/drivers/timer/intel_adsp_timer.c
index 2636e506bfe0a49..a9c6d1d6a517016 100644
--- a/drivers/timer/intel_adsp_timer.c
+++ b/drivers/timer/intel_adsp_timer.c
@@ -184,6 +184,7 @@ uint64_t sys_clock_cycle_get_64(void)
 {
 	return count();
 }
+EXPORT_SYMBOL(sys_clock_cycle_get_64);
 
 /* Interrupt setup is partially-cpu-local state, so needs to be
  * repeated for each core when it starts.  Note that this conforms to
diff --git a/drivers/timer/litex_timer.c b/drivers/timer/litex_timer.c
index c12630eba34f0fe..39d32d390aeab97 100644
--- a/drivers/timer/litex_timer.c
+++ b/drivers/timer/litex_timer.c
@@ -72,6 +72,7 @@ uint64_t sys_clock_cycle_get_64(void)
 
 	return uptime_cycles;
 }
+EXPORT_SYMBOL(sys_clock_cycle_get_64);
 
 /* tickless kernel is not supported */
 uint32_t sys_clock_elapsed(void)
diff --git a/drivers/timer/mcux_os_timer.c b/drivers/timer/mcux_os_timer.c
index c6eb776e43abf5f..6941482e0f3930a 100644
--- a/drivers/timer/mcux_os_timer.c
+++ b/drivers/timer/mcux_os_timer.c
@@ -244,6 +244,7 @@ uint64_t sys_clock_cycle_get_64(void)
 {
 	return mcux_lpc_ostick_get_compensated_timer_value();
 }
+EXPORT_SYMBOL(sys_clock_cycle_get_64);
 
 void sys_clock_idle_exit(void)
 {
diff --git a/drivers/timer/mtk_adsp_timer.c b/drivers/timer/mtk_adsp_timer.c
index 7a6c06d9e61ac1d..b41e7e3dbb14de2 100644
--- a/drivers/timer/mtk_adsp_timer.c
+++ b/drivers/timer/mtk_adsp_timer.c
@@ -88,6 +88,7 @@ uint64_t sys_clock_cycle_get_64(void)
 
 	return (((uint64_t)h0) << 32) | l;
 }
+EXPORT_SYMBOL(sys_clock_cycle_get_64);
 
 void sys_clock_set_timeout(int32_t ticks, bool idle)
 {
diff --git a/drivers/timer/native_posix_timer.c b/drivers/timer/native_posix_timer.c
index db2706a230675d4..7aa60e97520fe84 100644
--- a/drivers/timer/native_posix_timer.c
+++ b/drivers/timer/native_posix_timer.c
@@ -36,6 +36,7 @@ uint64_t sys_clock_cycle_get_64(void)
 {
 	return hwm_get_time();
 }
+EXPORT_SYMBOL(sys_clock_cycle_get_64);
 
 /**
  * Interrupt handler for the timer interrupt
diff --git a/drivers/timer/npcx_itim_timer.c b/drivers/timer/npcx_itim_timer.c
index eb0436c8a6e8fa9..f0eaec4fbc92f45 100644
--- a/drivers/timer/npcx_itim_timer.c
+++ b/drivers/timer/npcx_itim_timer.c
@@ -303,6 +303,7 @@ uint64_t sys_clock_cycle_get_64(void)
 	/* Return how many cycles since system kernel timer start counting */
 	return current;
 }
+EXPORT_SYMBOL(sys_clock_cycle_get_64);
 
 /* Platform specific system timer functions */
 #if defined(CONFIG_PM)
diff --git a/drivers/timer/nrf_grtc_timer.c b/drivers/timer/nrf_grtc_timer.c
index fb9c859caeb89db..67ab5f9664a23f5 100644
--- a/drivers/timer/nrf_grtc_timer.c
+++ b/drivers/timer/nrf_grtc_timer.c
@@ -451,6 +451,7 @@ uint64_t sys_clock_cycle_get_64(void)
 	k_spin_unlock(&lock, key);
 	return ret;
 }
+EXPORT_SYMBOL(sys_clock_cycle_get_64);
 
 uint32_t sys_clock_elapsed(void)
 {
diff --git a/drivers/timer/riscv_machine_timer.c b/drivers/timer/riscv_machine_timer.c
index 36e29c6aadb3189..f3ef1adca8adaef 100644
--- a/drivers/timer/riscv_machine_timer.c
+++ b/drivers/timer/riscv_machine_timer.c
@@ -237,6 +237,7 @@ uint64_t sys_clock_cycle_get_64(void)
 {
 	return mtime() << CONFIG_RISCV_MACHINE_TIMER_SYSTEM_CLOCK_DIVIDER;
 }
+EXPORT_SYMBOL(sys_clock_cycle_get_64);
 
 static int sys_clock_driver_init(void)
 {