20 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
21 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
22 0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
23 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,
24 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
25 0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA, 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
26 0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
27 0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE, 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE,
28 0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1, 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
29 0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
30 0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5, 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,
31 0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED, 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
32 0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
33 0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB, 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,
34 0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7, 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
35 0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF, 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF
39 '0',
'1',
'2',
'3',
'4',
'5',
'6',
'7',
'8',
'9',
40 'a',
'b',
'c',
'd',
'e',
'f'
52 unsigned trailing_bits =
size % 8;
55 to[
size / 8] &= (1 << trailing_bits) - 1;
62 return (a & m) != (b & m);
66 uint8_t
mask = (1 << trailing) - 1;
70 bool buf_cmp(
const void *_buf1,
const void *_buf2,
unsigned size)
73 return _buf1 != _buf2;
75 unsigned last =
size / 8;
76 if (memcmp(_buf1, _buf2, last) != 0)
79 unsigned trailing =
size % 8;
83 const uint8_t *buf1 = _buf1, *buf2 = _buf2;
88 const void *_mask,
unsigned size)
91 return _buf1 != _buf2 || _buf1 != _mask;
93 const uint8_t *buf1 = _buf1, *buf2 = _buf2, *
mask = _mask;
94 unsigned last =
size / 8;
95 for (
unsigned i = 0; i < last; i++) {
99 unsigned trailing =
size % 8;
112 memset(buf, 0xff,
size / 8);
114 unsigned trailing_bits =
size % 8;
116 buf[
size / 8] = (1 << trailing_bits) - 1;
122 void *_dst,
unsigned dst_start,
unsigned len)
124 const uint8_t *src = _src;
126 unsigned i,
sb, db, sq, dq,
lb, lq;
141 if ((sq == 0) && (dq == 0) && (lq == 0)) {
142 for (i = 0; i <
lb; i++)
148 for (i = 0; i < len; i++) {
149 if (((*src >> (sq&7)) & 1) == 1)
152 *dst &= ~(1 << (dq&7));
166 uint32_t
flip_u32(uint32_t value,
unsigned int num)
195 char *str = calloc(len_bytes * 2 + 1, 1);
197 const uint8_t *buf = _buf;
198 for (
unsigned i = 0; i < len_bytes; i++) {
199 uint8_t tmp = buf[len_bytes - i - 1];
200 if ((i == 0) && (buf_len % 8))
201 tmp &= (0xff >> (8 - (buf_len % 8)));
213 unsigned radix = *_radix;
216 const char *str = *_str;
217 unsigned str_len = *_str_len;
218 if (str[0] ==
'0' && (str[1] ==
'x' || str[1] ==
'X')) {
222 }
else if ((str[0] ==
'0') && (str_len != 1)) {
234 void *_buf,
unsigned buf_len,
unsigned radix)
241 else if (radix == 10)
249 char *charbuf =
strndup(str, str_len);
253 uint8_t *b256_buf = calloc(b256_len, 1);
258 for (i = 0; charbuf[i]; i++) {
259 uint32_t tmp = charbuf[i];
260 if ((tmp >=
'0') && (tmp <=
'9'))
262 else if ((tmp >=
'a') && (tmp <=
'f'))
263 tmp = (tmp -
'a' + 10);
264 else if ((tmp >=
'A') && (tmp <=
'F'))
265 tmp = (tmp -
'A' + 10);
273 for (
unsigned j = 0; j < b256_len; j++) {
274 tmp += (uint32_t)b256_buf[j] * radix;
275 b256_buf[j] = (uint8_t)(tmp & 0xFF);
282 for (
unsigned j = 0; j <
DIV_ROUND_UP(buf_len, 8); j++) {
284 buf[j] = b256_buf[j];
291 buf[(buf_len / 8)] &= 0xff >> (8 - (buf_len % 8));
305 unsigned src_offset,
unsigned bit_count)
362 memset(bin, 0,
count);
364 for (i = 0; i < 2 *
count; i++) {
365 if (hex[i] >=
'a' && hex[i] <=
'f')
366 tmp = hex[i] -
'a' + 10;
367 else if (hex[i] >=
'A' && hex[i] <=
'F')
368 tmp = hex[i] -
'A' + 10;
369 else if (hex[i] >=
'0' && hex[i] <=
'9')
374 bin[i / 2] |= tmp << (4 * ((i + 1) % 2));
400 for (i = 0; i <
length - 1 && i < 2 *
count; i++) {
401 tmp = (bin[i / 2] >> (4 * ((i + 1) % 2))) & 0x0f;
413 unsigned char *buf = _buf;
414 unsigned bytes_to_remove;
417 bytes_to_remove =
count / 8;
418 shift =
count - (bytes_to_remove * 8);
420 for (i = 0; i < (buf_len - 1); i++)
421 buf[i] = (buf[i] >> shift) | ((buf[i+1] << (8 - shift)) & 0xff);
423 buf[(buf_len - 1)] = buf[(buf_len - 1)] >> shift;
425 if (bytes_to_remove) {
426 memmove(buf, &buf[bytes_to_remove], buf_len - bytes_to_remove);
427 memset(&buf[buf_len - bytes_to_remove], 0, bytes_to_remove);
static void str_radix_guess(const char **_str, unsigned *_str_len, unsigned *_radix)
identify radix, and skip radix-prefix (0, 0x or 0X)
static bool buf_cmp_trailing(uint8_t a, uint8_t b, uint8_t m, unsigned trailing)
void bit_copy_queue_init(struct bit_copy_queue *q)
uint32_t flip_u32(uint32_t value, unsigned int num)
void bit_copy_discard(struct bit_copy_queue *q)
int bit_copy_queued(struct bit_copy_queue *q, uint8_t *dst, unsigned dst_offset, const uint8_t *src, unsigned src_offset, unsigned bit_count)
void bit_copy_execute(struct bit_copy_queue *q)
char * buf_to_hex_str(const void *_buf, unsigned buf_len)
void * buf_cpy(const void *from, void *_to, unsigned size)
Copies size bits out of from and into to.
int str_to_buf(const char *str, unsigned str_len, void *_buf, unsigned buf_len, unsigned radix)
bool buf_cmp(const void *_buf1, const void *_buf2, unsigned size)
bool buf_cmp_mask(const void *_buf1, const void *_buf2, const void *_mask, unsigned size)
void * buf_set_ones(void *_buf, unsigned size)
Set the contents of buf with count bits, all set to 1.
void buffer_shr(void *_buf, unsigned buf_len, unsigned count)
static bool buf_cmp_masked(uint8_t a, uint8_t b, uint8_t m)
static const unsigned char bit_reverse_table256[]
size_t hexify(char *hex, const uint8_t *bin, size_t count, size_t length)
Convert binary data into a string of hexadecimal pairs.
static int ceil_f_to_u32(float x)
size_t unhexify(uint8_t *bin, const char *hex, size_t count)
Convert a string of hexadecimal pairs into its binary representation.
void * buf_set_buf(const void *_src, unsigned src_start, void *_dst, unsigned dst_start, unsigned len)
static const char hex_digits[]
Support functions to access arbitrary bits in a byte array.
static void bit_copy(uint8_t *dst, unsigned dst_offset, const uint8_t *src, unsigned src_offset, unsigned bit_count)
static void list_add_tail(struct list_head *new, struct list_head *head)
list_add_tail - add a new entry
static void list_del(struct list_head *entry)
list_del - deletes entry from list.
#define list_for_each_entry_safe(pos, n, head, member)
list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
static void INIT_LIST_HEAD(struct list_head *list)
INIT_LIST_HEAD - Initialize a list_head structure.
static uint32_t lb(unsigned int rd, unsigned int base, uint16_t offset) __attribute__((unused))
static uint32_t sb(unsigned int src, unsigned int base, uint16_t offset) __attribute__((unused))
char * strndup(const char *s, size_t n)
size_t size
Size of the control block search area.
#define DIV_ROUND_UP(m, n)
Rounds m up to the nearest multiple of n using division.