summaryrefslogtreecommitdiff
path: root/bsp/drivers/plic/plic_driver.h
blob: e7d609bc3b2467bbf101b1cfe93c3b6634839524 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
// See LICENSE file for licence details

#ifndef PLIC_DRIVER_H
#define PLIC_DRIVER_H


__BEGIN_DECLS

#include "platform.h"

typedef struct __plic_instance_t
{
  uintptr_t base_addr;

  uint32_t num_sources;
  uint32_t num_priorities;
  
} plic_instance_t;

typedef uint32_t plic_source;
typedef uint32_t plic_priority;
typedef uint32_t plic_threshold;

void PLIC_init (
                plic_instance_t * this_plic,
                uintptr_t         base_addr,
                uint32_t num_sources,
                uint32_t num_priorities
                );

void PLIC_set_threshold (plic_instance_t * this_plic,
			 plic_threshold threshold);
  
void PLIC_enable_interrupt (plic_instance_t * this_plic,
			    plic_source source);

void PLIC_disable_interrupt (plic_instance_t * this_plic,
			     plic_source source);
  
void PLIC_set_priority (plic_instance_t * this_plic,
			plic_source source,
			plic_priority priority);

plic_source PLIC_claim_interrupt(plic_instance_t * this_plic);

void PLIC_complete_interrupt(plic_instance_t * this_plic,
			     plic_source source);

__END_DECLS

#endif