timer.h File Reference

System timer interface. More...

#include "icu/icu.h"
#include <stdbool.h>
#include <stdint.h>

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Functions
bool	setup_sys_timer (const void *fdt, uint64_t milliseconds, handler_data_t handler)
	Configure the system timer's tick period and interrupt handler.

Detailed Description

System timer interface.

Declares the kernel-facing API for configuring the periodic tick and registering its interrupt handler. Implementations dispatch to the platform-specific timer driver underneath.

Author

Abhin Parekadan Jose

Date

2026-06-28

Function Documentation

setup_sys_timer()

bool setup_sys_timer	(	const void *	fdt,
		uint64_t	milliseconds,
		handler_data_t	handler
	)

Configure the system timer's tick period and interrupt handler.

Parameters

fdt	Pointer to the Flattened Device Tree (FDT) blob, which may be used to discover timer properties and configuration.
milliseconds	Desired tick period in milliseconds.
handler	Handler function and private data to invoke when the timer interrupt fires.

Returns

true if the timer was configured successfully, false otherwise.