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 #include <stdbool.h> 28 29 #define __unused __attribute__((__unused__)) 30 31 #define xstr(s...) xxstr(s) 32 #define xxstr(s...) #s 33 34 #define __ALIGN_MASK(x, mask) (((x) + (mask)) & ~(mask)) 35 #define __ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a) - 1) 36 #define ALIGN(x, a) __ALIGN((x), (a)) 37 #define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0) 38 39 #define SZ_256 (1 << 8) 40 #define SZ_4K (1 << 12) 41 #define SZ_8K (1 << 13) 42 #define SZ_16K (1 << 14) 43 #define SZ_64K (1 << 16) 44 #define SZ_2M (1 << 21) 45 #define SZ_1G (1 << 30) 46 47 #define MIN(a, b) ((a) < (b) ? (a) : (b)) 48 #define MAX(a, b) ((a) > (b) ? (a) : (b)) 49 50 typedef uint8_t u8; 51 typedef int8_t s8; 52 typedef uint16_t u16; 53 typedef int16_t s16; 54 typedef uint32_t u32; 55 typedef int32_t s32; 56 typedef uint64_t u64; 57 typedef int64_t s64; 58 typedef unsigned long ulong; 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 int __getchar(void); 86 extern int getchar(void); 87 extern void exit(int code) __attribute__((noreturn)); 88 extern void abort(void) __attribute__((noreturn)); 89 extern long atol(const char *ptr); 90 extern char *getenv(const char *name); 91 92 extern int printf(const char *fmt, ...) 93 __attribute__((format(printf, 1, 2))); 94 extern int snprintf(char *buf, int size, const char *fmt, ...) 95 __attribute__((format(printf, 3, 4))); 96 extern int vsnprintf(char *buf, int size, const char *fmt, va_list va) 97 __attribute__((format(printf, 3, 0))); 98 extern int vprintf(const char *fmt, va_list va) 99 __attribute__((format(printf, 1, 0))); 100 101 void report_prefix_pushf(const char *prefix_fmt, ...) 102 __attribute__((format(printf, 1, 2))); 103 extern void report_prefix_push(const char *prefix); 104 extern void report_prefix_pop(void); 105 extern void report(bool pass, const char *msg_fmt, ...) 106 __attribute__((format(printf, 2, 3), nonnull(2))); 107 extern void report_xfail(bool xfail, bool pass, const char *msg_fmt, ...) 108 __attribute__((format(printf, 3, 4), nonnull(3))); 109 extern void report_abort(const char *msg_fmt, ...) 110 __attribute__((format(printf, 1, 2))) 111 __attribute__((noreturn)); 112 extern void report_skip(const char *msg_fmt, ...) 113 __attribute__((format(printf, 1, 2))); 114 extern void report_info(const char *msg_fmt, ...) 115 __attribute__((format(printf, 1, 2))); 116 extern void report_pass(void); 117 extern int report_summary(void); 118 119 bool simple_glob(const char *text, const char *pattern); 120 121 extern void dump_stack(void); 122 extern void dump_frame_stack(const void *instruction, const void *frame); 123 124 #define ARRAY_SIZE(_a) (sizeof(_a)/sizeof((_a)[0])) 125 126 #define container_of(ptr, type, member) ({ \ 127 const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 128 (type *)( (char *)__mptr - offsetof(type,member) );}) 129 130 #define assert(cond) \ 131 do { \ 132 if (!(cond)) { \ 133 printf("%s:%d: assert failed: %s\n", \ 134 __FILE__, __LINE__, #cond); \ 135 dump_stack(); \ 136 abort(); \ 137 } \ 138 } while (0) 139 140 #define assert_msg(cond, fmt, args...) \ 141 do { \ 142 if (!(cond)) { \ 143 printf("%s:%d: assert failed: %s: " fmt "\n", \ 144 __FILE__, __LINE__, #cond, ## args); \ 145 dump_stack(); \ 146 abort(); \ 147 } \ 148 } while (0) 149 150 /* 151 * One byte per bit, a ' between each group of 4 bits, and a null terminator. 152 */ 153 #define BINSTR_SZ (sizeof(unsigned long) * 8 + sizeof(unsigned long) * 2) 154 void binstr(unsigned long x, char out[BINSTR_SZ]); 155 void print_binstr(unsigned long x); 156 157 extern void setup_vm(void); 158 159 #endif 160