API Functions

Overview

Function definitions for PLIC driver.

Functions
void	plic_applyConfig (plic_instance_t *inst)
	Apply stored PLIC configuration to hardware.
u32	plic_claimExtIRQ_m ()
	Claim ID source from external IRQ.
void	plic_releaseExtIRQ_m (u32 gateway)
	Release ID source from external IRQ.

PLIC (Get Functions)
Read values from the PLIC hardware registers.
u32	plic_get_threshold (plic_instance_t *inst)
	Read value from PLIC register.
u32	plic_get_priority (plic_instance_t *inst)
	Read value from PLIC register.

PLIC (Set Functions)
Set values to the PLIC hardware registers.
void	plic_set_priority (plic_instance_t *inst)
	Set priority value to PLIC register.
void	plic_set_enable (plic_instance_t *inst)
	Set enable value to PLIC register.
void	plic_set_threshold (plic_instance_t *inst)
	Set threshold value to PLIC register.

Function Documentation

plic_applyConfig()

void plic_applyConfig

(

plic_instance_t *

inst

)

#include <plic.h>

Apply stored PLIC configuration to hardware.

Parameters

inst	Pointer to PLIC instance.

Note

Call this function after making any changes to the plic_instance_t structure to apply those changes to the hardware.

Definition at line 83 of file plic.c.

plic_claimExtIRQ_m()

u32 plic_claimExtIRQ_m

(

)

#include <plic.h>

Claim ID source from external IRQ.

Parameters

inst	Pointer to PLIC instance.

Returns

ID source that triggered external IRQ.

Claim ID source from external IRQ.

Definition at line 28 of file plic.c.

plic_get_priority()

u32 plic_get_priority

(

plic_instance_t *

inst

)

#include <plic.h>

Read value from PLIC register.

Parameters

inst	Pointer to PLIC instance.

Returns

Value of the priority.

Definition at line 45 of file plic.c.

plic_get_threshold()

u32 plic_get_threshold

(

plic_instance_t *

inst

)

#include <plic.h>

Read value from PLIC register.

Parameters

inst	Pointer to PLIC instance.

Returns

Value of the threshold.

Definition at line 68 of file plic.c.

plic_releaseExtIRQ_m()

void plic_releaseExtIRQ_m

(

u32

gateway

)

#include <plic.h>

Release ID source from external IRQ.

Parameters

inst	Pointer to PLIC instance.

Definition at line 34 of file plic.c.

plic_set_enable()

void plic_set_enable

(

plic_instance_t *

inst

)

#include <plic.h>

Set enable value to PLIC register.

Parameters

inst	Pointer to PLIC instance.

Definition at line 50 of file plic.c.

plic_set_priority()

void plic_set_priority

(

plic_instance_t *

inst

)

#include <plic.h>

Set priority value to PLIC register.

Parameters

inst	Pointer to PLIC instance.

Definition at line 40 of file plic.c.

plic_set_threshold()

void plic_set_threshold

(

plic_instance_t *

inst

)

#include <plic.h>

Set threshold value to PLIC register.

Parameters

inst	Pointer to PLIC instance.

Definition at line 63 of file plic.c.