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 #define MIN(a, b) ((a) < (b) ? (a) : (b)) 44 #define MAX(a, b) ((a) > (b) ? (a) : (b)) 45 46 typedef uint8_t u8; 47 typedef int8_t s8; 48 typedef uint16_t u16; 49 typedef int16_t s16; 50 typedef uint32_t u32; 51 typedef int32_t s32; 52 typedef uint64_t u64; 53 typedef int64_t s64; 54 typedef unsigned long ulong; 55 56 typedef _Bool bool; 57 #define false 0 58 #define true 1 59 60 #if __SIZEOF_LONG__ == 8 61 # define __PRI32_PREFIX 62 # define __PRI64_PREFIX "l" 63 # define __PRIPTR_PREFIX "l" 64 #else 65 #if defined(__U32_LONG_FMT__) 66 # define __PRI32_PREFIX "l" 67 #else 68 # define __PRI32_PREFIX 69 #endif 70 # define __PRI64_PREFIX "ll" 71 # define __PRIPTR_PREFIX 72 #endif 73 #define PRId32 __PRI32_PREFIX "d" 74 #define PRIu32 __PRI32_PREFIX "u" 75 #define PRIx32 __PRI32_PREFIX "x" 76 #define PRId64 __PRI64_PREFIX "d" 77 #define PRIu64 __PRI64_PREFIX "u" 78 #define PRIx64 __PRI64_PREFIX "x" 79 #define PRIxPTR __PRIPTR_PREFIX "x" 80 81 typedef u64 phys_addr_t; 82 #define INVALID_PHYS_ADDR (~(phys_addr_t)0) 83 84 extern void puts(const char *s); 85 extern void exit(int code); 86 extern void abort(void); 87 extern long atol(const char *ptr); 88 extern char *getenv(const char *name); 89 90 extern int printf(const char *fmt, ...) 91 __attribute__((format(printf, 1, 2))); 92 extern int snprintf(char *buf, int size, const char *fmt, ...) 93 __attribute__((format(printf, 3, 4))); 94 extern int vsnprintf(char *buf, int size, const char *fmt, va_list va) 95 __attribute__((format(printf, 3, 0))); 96 extern int vprintf(const char *fmt, va_list va) 97 __attribute__((format(printf, 1, 0))); 98 99 void report_prefix_pushf(const char *prefix_fmt, ...); 100 extern void report_prefix_push(const char *prefix); 101 extern void report_prefix_pop(void); 102 extern void report(const char *msg_fmt, bool pass, ...); 103 extern void report_xfail(const char *msg_fmt, bool xfail, bool pass, ...); 104 extern void report_abort(const char *msg_fmt, ...); 105 extern void report_skip(const char *msg_fmt, ...); 106 extern void report_info(const char *msg_fmt, ...); 107 extern void report_pass(void); 108 extern int report_summary(void); 109 110 bool simple_glob(const char *text, const char *pattern); 111 112 extern void dump_stack(void); 113 extern void dump_frame_stack(const void *instruction, const void *frame); 114 115 #define ARRAY_SIZE(_a) (sizeof(_a)/sizeof((_a)[0])) 116 117 #define container_of(ptr, type, member) ({ \ 118 const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 119 (type *)( (char *)__mptr - offsetof(type,member) );}) 120 121 #define assert(cond) \ 122 do { \ 123 if (!(cond)) { \ 124 printf("%s:%d: assert failed: %s\n", \ 125 __FILE__, __LINE__, #cond); \ 126 dump_stack(); \ 127 abort(); \ 128 } \ 129 } while (0) 130 131 #define assert_msg(cond, fmt, args...) \ 132 do { \ 133 if (!(cond)) { \ 134 printf("%s:%d: assert failed: %s: " fmt "\n", \ 135 __FILE__, __LINE__, #cond, ## args); \ 136 dump_stack(); \ 137 abort(); \ 138 } \ 139 } while (0) 140 141 static inline bool is_power_of_2(unsigned long n) 142 { 143 return n && !(n & (n - 1)); 144 } 145 146 /* 147 * One byte per bit, a ' between each group of 4 bits, and a null terminator. 148 */ 149 #define BINSTR_SZ (sizeof(unsigned long) * 8 + sizeof(unsigned long) * 2) 150 void binstr(unsigned long x, char out[BINSTR_SZ]); 151 void print_binstr(unsigned long x); 152 153 #endif 154