xref: /kvm-unit-tests/lib/libcflat.h (revision d77d128fb09ce1a113feec023dd84d3b1cbe5da6)
1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License, version 2, as
4  * published by the Free Software Foundation.
5  *
6  * This program is distributed in the hope that it will be useful,
7  * but WITHOUT ANY WARRANTY; without even the implied warranty of
8  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
9  * GNU General Public License for more details.
10  *
11  * You should have received a copy of the GNU General Public License
12  * along with this program; if not, write to the Free Software
13  * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
14  *
15  * Copyright IBM Corp. 2008
16  *
17  * Authors: Hollis Blanchard <hollisb@us.ibm.com>
18  */
19 
20 #ifndef __LIBCFLAT_H
21 #define __LIBCFLAT_H
22 
23 #include <stdarg.h>
24 #include <stddef.h>
25 #include <stdint.h>
26 #include <string.h>
27 
28 #define __unused __attribute__((__unused__))
29 
30 #define xstr(s...) xxstr(s)
31 #define xxstr(s...) #s
32 
33 #define __ALIGN_MASK(x, mask)	(((x) + (mask)) & ~(mask))
34 #define __ALIGN(x, a)		__ALIGN_MASK(x, (typeof(x))(a) - 1)
35 #define ALIGN(x, a)		__ALIGN((x), (a))
36 #define IS_ALIGNED(x, a)	(((x) & ((typeof(x))(a) - 1)) == 0)
37 
38 #define SZ_4K			(1 << 12)
39 #define SZ_64K			(1 << 16)
40 #define SZ_2M			(1 << 21)
41 #define SZ_1G			(1 << 30)
42 
43 typedef uint8_t		u8;
44 typedef int8_t		s8;
45 typedef uint16_t	u16;
46 typedef int16_t		s16;
47 typedef uint32_t	u32;
48 typedef int32_t		s32;
49 typedef uint64_t	u64;
50 typedef int64_t		s64;
51 typedef unsigned long	ulong;
52 
53 typedef _Bool		bool;
54 #define false 0
55 #define true  1
56 
57 #if __SIZEOF_LONG__ == 8
58 #  define __PRI64_PREFIX	"l"
59 #  define __PRIPTR_PREFIX	"l"
60 #else
61 #  define __PRI64_PREFIX	"ll"
62 #  define __PRIPTR_PREFIX
63 #endif
64 #define PRId64  __PRI64_PREFIX	"d"
65 #define PRIu64  __PRI64_PREFIX	"u"
66 #define PRIx64  __PRI64_PREFIX	"x"
67 #define PRIxPTR __PRIPTR_PREFIX	"x"
68 
69 typedef u64			phys_addr_t;
70 #define INVALID_PHYS_ADDR	(~(phys_addr_t)0)
71 
72 extern void puts(const char *s);
73 extern void exit(int code);
74 extern void abort(void);
75 extern long atol(const char *ptr);
76 
77 extern int printf(const char *fmt, ...)
78 					__attribute__((format(printf, 1, 2)));
79 extern int snprintf(char *buf, int size, const char *fmt, ...)
80 					__attribute__((format(printf, 3, 4)));
81 extern int vsnprintf(char *buf, int size, const char *fmt, va_list va)
82 					__attribute__((format(printf, 3, 0)));
83 extern int vprintf(const char *fmt, va_list va)
84 					__attribute__((format(printf, 1, 0)));
85 
86 extern void report_prefix_push(const char *prefix);
87 extern void report_prefix_pop(void);
88 extern void report(const char *msg_fmt, bool pass, ...);
89 extern void report_xfail(const char *msg_fmt, bool xfail, bool pass, ...);
90 extern void report_abort(const char *msg_fmt, ...);
91 extern void report_skip(const char *msg_fmt, ...);
92 extern void report_info(const char *msg_fmt, ...);
93 extern int report_summary(void);
94 
95 extern void dump_stack(void);
96 extern void dump_frame_stack(const void *instruction, const void *frame);
97 
98 #define ARRAY_SIZE(_a) (sizeof(_a)/sizeof((_a)[0]))
99 
100 #define container_of(ptr, type, member) ({				\
101 	const typeof( ((type *)0)->member ) *__mptr = (ptr);		\
102 	(type *)( (char *)__mptr - offsetof(type,member) );})
103 
104 #define assert(cond)							\
105 do {									\
106 	if (!(cond)) {							\
107 		printf("%s:%d: assert failed: %s\n",			\
108 		       __FILE__, __LINE__, #cond);			\
109 		dump_stack();						\
110 		abort();						\
111 	}								\
112 } while (0)
113 
114 #endif
115