RISCV CLIC interrupt controller definitions. More...

Detailed Description

RISCV CLIC interrupt controller definitions.

RISCV implementations using this peripheral must define the CLIC_BASE_ADDR, in order to use the PLIC as interrupt controller. Also required is CLIC_NUM_INTERRUPTS.

Author: Koen Zandberg koen@.nosp@m.berg.nosp@m.zand..nosp@m.net

Definition in file clic.h.

#include "cpu_conf.h"

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typedef void(*	clic_isr_cb_t) (unsigned irq)
	CLIC callback declaration.

	clic_clicint_t

struct	__attribute ((packed))
	RISC-V CLIC per interrupt configuration registers.

void	clic_init (void)
	Initialize the CLIC interrupt controller.

void	clic_enable_interrupt (unsigned irq, unsigned priority)
	Enable a single interrupt.

void	clic_disable_interrupt (unsigned irq)
	Disable a single interrupt.

void	clic_set_priority (unsigned irq, unsigned priority)
	Set the priority of an interrupt.

void	clic_set_handler (unsigned irq, clic_isr_cb_t cb)
	Set the handler for an interrupt.

void	clic_isr_handler (uint32_t irq)
	CLIC interrupt handler.

Typedef Documentation

◆ clic_isr_cb_t

typedef void(* clic_isr_cb_t) (unsigned irq)

CLIC callback declaration.

Parameters

irq	Interrupt number

Definition at line 35 of file clic.h.

Function Documentation

◆ __attribute()

struct __attribute ( (packed) )

RISC-V CLIC per interrupt configuration registers.

< Interrupt pending

< Interrupt enable

< Interrupt attributes

< Interrupt control

Definition at line 35 of file clic.h.

◆ clic_disable_interrupt()

void clic_disable_interrupt ( unsigned irq )

Disable a single interrupt.

Parameters

irq	Interrupt number to disable

◆ clic_enable_interrupt()

void clic_enable_interrupt	(	unsigned	irq,
		unsigned	priority
	)

Enable a single interrupt.

Parameters

irq	Interrupt number to enable
priority	Priority level to configure

◆ clic_set_handler()

void clic_set_handler	(	unsigned	irq,
		clic_isr_cb_t	cb
	)

Set the handler for an interrupt.

Parameters

irq	Interrupt number to configure
cb	Callback handler to configure

◆ clic_set_priority()

void clic_set_priority	(	unsigned	irq,
		unsigned	priority
	)

Set the priority of an interrupt.

Parameters

irq	Interrupt number to configure
priority	Priority level to configure

Variable Documentation

◆ clic_clicint_t

clic_clicint_t

Definition at line 45 of file clic.h.