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
57
58
59
60
61
62
63
64
65
66
67
|
/*
* Alpha specific proc functions for linux-user
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef ALPHA_TARGET_PROC_H
#define ALPHA_TARGET_PROC_H
static int open_cpuinfo(CPUArchState *cpu_env, int fd)
{
int max_cpus = sysconf(_SC_NPROCESSORS_CONF);
int num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
unsigned long cpu_mask;
char model[32];
const char *p, *q;
int t;
p = object_class_get_name(OBJECT_CLASS(env_cpu(cpu_env)->cc));
q = strchr(p, '-');
t = q - p;
assert(t < sizeof(model));
memcpy(model, p, t);
model[t] = 0;
t = sched_getaffinity(getpid(), sizeof(cpu_mask), (cpu_set_t *)&cpu_mask);
if (t < 0) {
if (num_cpus >= sizeof(cpu_mask) * 8) {
cpu_mask = -1;
} else {
cpu_mask = (1UL << num_cpus) - 1;
}
}
dprintf(fd,
"cpu\t\t\t: Alpha\n"
"cpu model\t\t: %s\n"
"cpu variation\t\t: 0\n"
"cpu revision\t\t: 0\n"
"cpu serial number\t: JA00000000\n"
"system type\t\t: QEMU\n"
"system variation\t: QEMU_v" QEMU_VERSION "\n"
"system revision\t\t: 0\n"
"system serial number\t: AY00000000\n"
"cycle frequency [Hz]\t: 250000000\n"
"timer frequency [Hz]\t: 250.00\n"
"page size [bytes]\t: %d\n"
"phys. address bits\t: %d\n"
"max. addr. space #\t: 255\n"
"BogoMIPS\t\t: 2500.00\n"
"kernel unaligned acc\t: 0 (pc=0,va=0)\n"
"user unaligned acc\t: 0 (pc=0,va=0)\n"
"platform string\t\t: AlphaServer QEMU user-mode VM\n"
"cpus detected\t\t: %d\n"
"cpus active\t\t: %d\n"
"cpu active mask\t\t: %016lx\n"
"L1 Icache\t\t: n/a\n"
"L1 Dcache\t\t: n/a\n"
"L2 cache\t\t: n/a\n"
"L3 cache\t\t: n/a\n",
model, TARGET_PAGE_SIZE, TARGET_PHYS_ADDR_SPACE_BITS,
max_cpus, num_cpus, cpu_mask);
return 0;
}
#define HAVE_ARCH_PROC_CPUINFO
#endif /* ALPHA_TARGET_PROC_H */
|
