clockdrv.c File Reference

riscv clock support. More...

#include <bsp/fatal.h>
#include <bsp/fdt.h>
#include <bsp/irq.h>
#include <bsp/riscv.h>
#include <rtems/sysinit.h>
#include <rtems/timecounter.h>
#include <rtems/score/cpuimpl.h>
#include <rtems/score/riscv-utility.h>
#include <libfdt.h>
#include "../../../shared/dev/clock/clockimpl.h"

Data Structures
struct	riscv_timecounter

Macros
#define	Clock_driver_support_at_tick()   riscv_clock_at_tick(&riscv_clock_tc)
#define	Clock_driver_support_initialize_hardware()   riscv_clock_initialize()
#define	Clock_driver_support_install_isr(isr)    riscv_clock_handler_install()
#define	CLOCK_DRIVER_USE_ONLY_BOOT_PROCESSOR

Functions
void	Clock_isr (void *arg)
uint32_t	_CPU_Counter_frequency (void)
	Returns the current CPU counter frequency in Hz.
CPU_Counter_ticks	_CPU_Counter_read (void)
	Returns the current CPU counter value.
	RTEMS_SYSINIT_ITEM (riscv_counter_initialize, RTEMS_SYSINIT_CPU_COUNTER, RTEMS_SYSINIT_ORDER_FIRST)

Variables
volatile uint32_t	_RISCV_Counter_register

Detailed Description

riscv clock support.