clic.h
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser General
5  * Public License v2.1. See the file LICENSE in the top level directory for more
6  * details.
7  */
21 #ifndef CLIC_H
22 #define CLIC_H
23 
24 #include "cpu_conf.h"
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
35 typedef void (*clic_isr_cb_t)(unsigned irq);
36 
40 typedef struct __attribute((packed)) {
41  volatile uint8_t ip;
42  volatile uint8_t ie;
43  volatile uint8_t attr;
44  volatile uint8_t ctl;
45 } clic_clicint_t;
46 
50 void clic_init(void);
51 
58 void clic_enable_interrupt(unsigned irq, unsigned priority);
59 
65 void clic_disable_interrupt(unsigned irq);
66 
73 void clic_set_priority(unsigned irq, unsigned priority);
74 
81 void clic_set_handler(unsigned irq, clic_isr_cb_t cb);
82 
90 void clic_isr_handler(uint32_t irq);
91 
92 #ifdef __cplusplus
93 }
94 #endif
95 
96 #endif /* CLIC_H */
clic_set_handler
void clic_set_handler(unsigned irq, clic_isr_cb_t cb)
Set the handler for an interrupt.
clic_isr_handler
void clic_isr_handler(uint32_t irq)
CLIC interrupt handler.
clic_isr_cb_t
void(* clic_isr_cb_t)(unsigned irq)
CLIC callback declaration.
Definition: clic.h:35
clic_init
void clic_init(void)
Initialize the CLIC interrupt controller.
clic_set_priority
void clic_set_priority(unsigned irq, unsigned priority)
Set the priority of an interrupt.
clic_disable_interrupt
void clic_disable_interrupt(unsigned irq)
Disable a single interrupt.
clic_enable_interrupt
void clic_enable_interrupt(unsigned irq, unsigned priority)
Enable a single interrupt.
__attribute
struct __attribute((packed))
RISC-V CLIC per interrupt configuration registers.
Definition: clic.h:40