pk/sbi.h


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

#ifndef _ASM_RISCV_SBI_H
#define _ASM_RISCV_SBI_H

typedef struct {
  unsigned long base;
  unsigned long size;
  unsigned long node_id;
} memory_block_info;

unsigned long sbi_query_memory(unsigned long id, memory_block_info *p);

unsigned long sbi_hart_id(void);
unsigned long sbi_num_harts(void);
unsigned long sbi_timebase(void);
void sbi_send_ipi(unsigned long hart_id);
unsigned long sbi_clear_ipi(void);
void sbi_console_putchar(unsigned long ch);
void sbi_shutdown(void);

typedef struct {
  unsigned long dev;
  unsigned long cmd;
  unsigned long data;
  unsigned long sbi_private_data;
} sbi_device_message;

unsigned long sbi_send_device_request(unsigned long req);
unsigned long sbi_receive_device_response(void);

#endif