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 #ifndef __ASSEMBLY__ 24 25 #include <linux/compiler.h> 26 #include <stdarg.h> 27 #include <stddef.h> 28 #include <stdint.h> 29 #include <string.h> 30 #include <stdbool.h> 31 32 #define xstr(s...) xxstr(s) 33 #define xxstr(s...) #s 34 35 #define __ALIGN_MASK(x, mask) (((x) + (mask)) & ~(mask)) 36 #define __ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a) - 1) 37 #define ALIGN(x, a) __ALIGN((x), (a)) 38 #define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0) 39 40 #define MIN(a, b) ((a) < (b) ? (a) : (b)) 41 #define MAX(a, b) ((a) > (b) ? (a) : (b)) 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 #if __SIZEOF_LONG__ == 8 54 # define __PRI32_PREFIX 55 # define __PRI64_PREFIX "l" 56 # define __PRIPTR_PREFIX "l" 57 #else 58 #if defined(__U32_LONG_FMT__) 59 # define __PRI32_PREFIX "l" 60 #else 61 # define __PRI32_PREFIX 62 #endif 63 # define __PRI64_PREFIX "ll" 64 # define __PRIPTR_PREFIX 65 #endif 66 #define PRId32 __PRI32_PREFIX "d" 67 #define PRIu32 __PRI32_PREFIX "u" 68 #define PRIx32 __PRI32_PREFIX "x" 69 #define PRId64 __PRI64_PREFIX "d" 70 #define PRIu64 __PRI64_PREFIX "u" 71 #define PRIx64 __PRI64_PREFIX "x" 72 #define PRIxPTR __PRIPTR_PREFIX "x" 73 74 typedef u64 phys_addr_t; 75 #define INVALID_PHYS_ADDR (~(phys_addr_t)0) 76 77 extern void puts(const char *s); 78 extern int __getchar(void); 79 extern int getchar(void); 80 extern void exit(int code) __attribute__((noreturn)); 81 extern void abort(void) __attribute__((noreturn)); 82 extern long atol(const char *ptr); 83 extern char *getenv(const char *name); 84 85 extern int printf(const char *fmt, ...) 86 __attribute__((format(printf, 1, 2))); 87 extern int snprintf(char *buf, int size, const char *fmt, ...) 88 __attribute__((format(printf, 3, 4))); 89 extern int vsnprintf(char *buf, int size, const char *fmt, va_list va) 90 __attribute__((format(printf, 3, 0))); 91 extern int vprintf(const char *fmt, va_list va) 92 __attribute__((format(printf, 1, 0))); 93 94 void report_prefix_pushf(const char *prefix_fmt, ...) 95 __attribute__((format(printf, 1, 2))); 96 extern void report_prefix_push(const char *prefix); 97 extern void report_prefix_pop(void); 98 extern void report(bool pass, const char *msg_fmt, ...) 99 __attribute__((format(printf, 2, 3), nonnull(2))); 100 extern void report_xfail(bool xfail, bool pass, const char *msg_fmt, ...) 101 __attribute__((format(printf, 3, 4), nonnull(3))); 102 extern void report_abort(const char *msg_fmt, ...) 103 __attribute__((format(printf, 1, 2))) 104 __attribute__((noreturn)); 105 extern void report_skip(const char *msg_fmt, ...) 106 __attribute__((format(printf, 1, 2))); 107 extern void report_info(const char *msg_fmt, ...) 108 __attribute__((format(printf, 1, 2))); 109 extern void report_pass(void); 110 extern int report_summary(void); 111 112 bool simple_glob(const char *text, const char *pattern); 113 114 extern void dump_stack(void); 115 extern void dump_frame_stack(const void *instruction, const void *frame); 116 117 #define ARRAY_SIZE(_a) (sizeof(_a)/sizeof((_a)[0])) 118 119 #define container_of(ptr, type, member) ({ \ 120 const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 121 (type *)( (char *)__mptr - offsetof(type,member) );}) 122 123 #define assert(cond) \ 124 do { \ 125 if (!(cond)) { \ 126 printf("%s:%d: assert failed: %s\n", \ 127 __FILE__, __LINE__, #cond); \ 128 dump_stack(); \ 129 abort(); \ 130 } \ 131 } while (0) 132 133 #define assert_msg(cond, fmt, args...) \ 134 do { \ 135 if (!(cond)) { \ 136 printf("%s:%d: assert failed: %s: " fmt "\n", \ 137 __FILE__, __LINE__, #cond, ## args); \ 138 dump_stack(); \ 139 abort(); \ 140 } \ 141 } while (0) 142 143 /* 144 * One byte per bit, a ' between each group of 4 bits, and a null terminator. 145 */ 146 #define BINSTR_SZ (sizeof(unsigned long) * 8 + sizeof(unsigned long) * 2) 147 void binstr(unsigned long x, char out[BINSTR_SZ]); 148 void print_binstr(unsigned long x); 149 150 extern void setup_vm(void); 151 152 #endif /* !__ASSEMBLY__ */ 153 154 #define SZ_256 (1 << 8) 155 #define SZ_4K (1 << 12) 156 #define SZ_8K (1 << 13) 157 #define SZ_16K (1 << 14) 158 #define SZ_64K (1 << 16) 159 #define SZ_1M (1 << 20) 160 #define SZ_2M (1 << 21) 161 #define SZ_1G (1 << 30) 162 #define SZ_2G (1ul << 31) 163 164 #endif 165