Linux kernel mirror (for testing)
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_S390_BOOT_DATA_H
3
4#include <linux/string.h>
5#include <asm/setup.h>
6#include <asm/ipl.h>
7
8extern char early_command_line[COMMAND_LINE_SIZE];
9extern struct ipl_parameter_block ipl_block;
10extern int ipl_block_valid;
11extern int ipl_secure_flag;
12
13extern unsigned long ipl_cert_list_addr;
14extern unsigned long ipl_cert_list_size;
15
16extern unsigned long early_ipl_comp_list_addr;
17extern unsigned long early_ipl_comp_list_size;
18
19extern char boot_rb[PAGE_SIZE * 2];
20extern bool boot_earlyprintk;
21extern size_t boot_rb_off;
22extern char bootdebug_filter[128];
23extern bool bootdebug;
24
25#define boot_rb_foreach(cb) \
26 do { \
27 size_t off = boot_rb_off + strlen(boot_rb + boot_rb_off) + 1; \
28 size_t len; \
29 for (; off < sizeof(boot_rb) && (len = strlen(boot_rb + off)); off += len + 1) \
30 cb(boot_rb + off); \
31 for (off = 0; off < boot_rb_off && (len = strlen(boot_rb + off)); off += len + 1) \
32 cb(boot_rb + off); \
33 } while (0)
34
35/*
36 * bootdebug_filter is a comma separated list of strings,
37 * where each string can be a prefix of the message.
38 */
39static inline bool bootdebug_filter_match(const char *buf)
40{
41 char *p = bootdebug_filter, *s;
42 char *end;
43
44 if (!*p)
45 return true;
46
47 end = p + strlen(p);
48 while (p < end) {
49 p = skip_spaces(p);
50 s = memscan(p, ',', end - p);
51 if (!strncmp(p, buf, s - p))
52 return true;
53 p = s + 1;
54 }
55 return false;
56}
57
58static inline const char *skip_timestamp(const char *buf)
59{
60#ifdef CONFIG_PRINTK_TIME
61 const char *p = memchr(buf, ']', strlen(buf));
62
63 if (p && p[1] == ' ')
64 return p + 2;
65#endif
66 return buf;
67}
68
69#endif /* _ASM_S390_BOOT_DATA_H */