1 #include <string.h>
2 #include <stdio.h>
3 #include "mcelog.h"
4 #include "bitfield.h"
5
6 char *reserved_3bits[8];
7 char *reserved_1bit[2];
8 char *reserved_2bits[4];
9
bitmask(u64 i)10 static u64 bitmask(u64 i)
11 {
12 u64 mask = 1;
13 while (mask < i)
14 mask = (mask << 1) | 1;
15 return mask;
16 }
17
decode_bitfield(u64 status,struct field * fields)18 void decode_bitfield(u64 status, struct field *fields)
19 {
20 struct field *f;
21 int linelen = 0;
22 char *delim = "";
23 char buf[60];
24 int len;
25
26 for (f = fields; f->str; f++) {
27 u64 v = (status >> f->start_bit) & bitmask(f->stringlen - 1);
28 char *s = NULL;
29 if (v < f->stringlen)
30 s = f->str[v];
31 if (!s) {
32 if (v == 0)
33 continue;
34 s = buf;
35 buf[(sizeof buf)-1] = 0;
36 snprintf(buf, (sizeof buf) - 1, "<%u:%llx>", f->start_bit, v);
37 }
38 len = strlen(s);
39 if (linelen + len > 75) {
40 delim = "\n";
41 linelen = 0;
42 }
43 Wprintf("%s%s", delim, s);
44 delim = " ";
45 linelen += len + 1;
46 }
47 if (linelen > 0)
48 Wprintf("\n");
49 }
50
decode_numfield(u64 status,struct numfield * fields)51 void decode_numfield(u64 status, struct numfield *fields)
52 {
53 struct numfield *f;
54 for (f = fields; f->name; f++) {
55 u64 mask = (1ULL << (f->end - f->start + 1)) - 1;
56 u64 v = (status >> f->start) & mask;
57 if (v > 0 || f->force) {
58 char fmt[30];
59 snprintf(fmt, 30, "%%s: %s\n", f->fmt ? f->fmt : "%llu");
60 Wprintf(fmt, f->name, v);
61 }
62 }
63 }
64