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
52
53
54
55
56
|
/*
* SIGP related definitions and functions.
*
* Copyright IBM Corp. 2020
*
* s390-tools is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#ifndef S390_SIGP_H
#define S390_SIGP_H
/* Signal Processor Order Codes */
#define SIGP_STOP_AND_STORE_STATUS 9
#define SIGP_SET_ARCHITECTURE 18
#define SIGP_SET_MULTI_THREADING 22
#define SIGP_STORE_ASTATUS_AT_ADDRESS 23
/* Signal Processor Condition Codes */
#define SIGP_CC_ORDER_CODE_ACCEPTED 0
#define SIGP_CC_BUSY 2
#ifndef __ASSEMBLER__
#include <stdint.h>
static inline int sigp(uint16_t addr, uint8_t order, uint32_t parm,
uint32_t *status)
{
register unsigned int reg1 asm ("1") = parm;
int cc;
asm volatile(
" sigp %1,%2,0(%3)\n"
" ipm %0\n"
" srl %0,28\n"
: "=d" (cc), "+d" (reg1) : "d" (addr), "a" (order) : "cc");
if (status && cc == 1)
*status = reg1;
return cc;
}
static inline int sigp_busy(uint16_t addr, uint8_t order, uint32_t parm,
uint32_t *status)
{
int cc;
do {
cc = sigp(addr, order, parm, status);
} while (cc == SIGP_CC_BUSY);
return cc;
}
#endif /* __ASSEMBLER__ */
#endif /* S390_SIGP_H */
|
