1b7eaf815e14e920b90277de12fa6ac4760d5859cflorian#include <stdint.h> 2b7eaf815e14e920b90277de12fa6ac4760d5859cflorian#include <inttypes.h> 3b7eaf815e14e920b90277de12fa6ac4760d5859cflorian#include <stdlib.h> 4b7eaf815e14e920b90277de12fa6ac4760d5859cflorian#include <string.h> 5b7eaf815e14e920b90277de12fa6ac4760d5859cflorian#include <stdio.h> 6b7eaf815e14e920b90277de12fa6ac4760d5859cflorian#include "opcodes.h" 7b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 8b7eaf815e14e920b90277de12fa6ac4760d5859cflorian#ifndef M3 9b7eaf815e14e920b90277de12fa6ac4760d5859cflorian#define M3 0 10b7eaf815e14e920b90277de12fa6ac4760d5859cflorian#endif 11b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 12b7eaf815e14e920b90277de12fa6ac4760d5859cflorian/* The abstracted result of an CU21 insn */ 13b7eaf815e14e920b90277de12fa6ac4760d5859cfloriantypedef struct { 14b7eaf815e14e920b90277de12fa6ac4760d5859cflorian uint64_t addr1; // target 15b7eaf815e14e920b90277de12fa6ac4760d5859cflorian uint64_t len1; 16b7eaf815e14e920b90277de12fa6ac4760d5859cflorian uint64_t addr2; // source 17b7eaf815e14e920b90277de12fa6ac4760d5859cflorian uint64_t len2; 18b7eaf815e14e920b90277de12fa6ac4760d5859cflorian uint32_t cc; 19b7eaf815e14e920b90277de12fa6ac4760d5859cflorian} cu21_t; 20b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 21b7eaf815e14e920b90277de12fa6ac4760d5859cflorian/* Define various input buffers. */ 22b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 23b7eaf815e14e920b90277de12fa6ac4760d5859cflorian/* U+0000 to U+007f: Result is 1 byte for each uint16_t */ 24b7eaf815e14e920b90277de12fa6ac4760d5859cflorianuint16_t pattern1[] = { 25b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 0x0000, 0x007f, /* corner cases */ 26b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 0x0047, 0x0056, 0x0045, 0x0021, 0x007b, 0x003a /* misc */ 27b7eaf815e14e920b90277de12fa6ac4760d5859cflorian}; 28b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 29b7eaf815e14e920b90277de12fa6ac4760d5859cflorian/* U+0080 to U+07ff: Result is 2 bytes for each uint16_t */ 30b7eaf815e14e920b90277de12fa6ac4760d5859cflorianuint16_t pattern2[] = { 31b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 0x0080, 0x07ff, /* corner cases */ 32b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 0x07df, 0x008f, 0x0100, 0x017f, 0x052f, 0x0600, 0x06ff /* misc */ 33b7eaf815e14e920b90277de12fa6ac4760d5859cflorian}; 34b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 35b7eaf815e14e920b90277de12fa6ac4760d5859cflorian/* U+0800 to U+d7ff: Result is 3 bytes for each uint16_t 36b7eaf815e14e920b90277de12fa6ac4760d5859cflorian U+dc00 to U+ffff: Result is 3 bytes for each uint16_t */ 37b7eaf815e14e920b90277de12fa6ac4760d5859cflorianuint16_t pattern3[] = { 38b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 0x0800, 0xd7ff, /* corner cases */ 39b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 0xdc00, 0xffff, /* corner cases */ 40b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 0x083f, 0x1a21, 0x1b10, 0x2200, 0x225e, 0x22c9, 0xe001 /* misc */ 41b7eaf815e14e920b90277de12fa6ac4760d5859cflorian}; 42b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 43b7eaf815e14e920b90277de12fa6ac4760d5859cflorian/* U+d800 to U+dbff: Result is 4 bytes for each uint16_t pair */ 44b7eaf815e14e920b90277de12fa6ac4760d5859cflorianuint16_t pattern4[] = { 45b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 0xd800, 0xdc00, /* left corner case */ 46b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 0xdbff, 0xdfff, /* right corner case */ 47b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 0xdada, 0xdddd, 0xdeaf, 0xdcdc /* misc */ 48b7eaf815e14e920b90277de12fa6ac4760d5859cflorian}; 49b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 50b7eaf815e14e920b90277de12fa6ac4760d5859cflorian/* Invalid low surrogate */ 51b7eaf815e14e920b90277de12fa6ac4760d5859cflorianuint16_t invalid[] = { 0xd801, 0x0098 }; 52b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 53b7eaf815e14e920b90277de12fa6ac4760d5859cflorian/* Mixed bytes */ 54b7eaf815e14e920b90277de12fa6ac4760d5859cflorianuint16_t mixed[] = { 55b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 0x0078 /* 1 byte */, 56b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 0x0200 /* 2 bytes */, 57b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 0xffff /* 3 bytes */, 58b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 0xd800, 0xdc01 /* 4 bytes */ 59b7eaf815e14e920b90277de12fa6ac4760d5859cflorian}; 60b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 61b7eaf815e14e920b90277de12fa6ac4760d5859cflorian/* This is the buffer for the converted bytes. */ 62b7eaf815e14e920b90277de12fa6ac4760d5859cflorianuint8_t buff[1000]; /* Large so we con'don't have to worry about it */ 63b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 64b7eaf815e14e920b90277de12fa6ac4760d5859cflorianvoid write_and_check(uint16_t *, unsigned, unsigned); 65b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 66b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 67b7eaf815e14e920b90277de12fa6ac4760d5859cflorianstatic cu21_t 68b7eaf815e14e920b90277de12fa6ac4760d5859cfloriando_cu21(uint8_t *dst, uint64_t dst_len, uint16_t *src, uint64_t src_len) 69b7eaf815e14e920b90277de12fa6ac4760d5859cflorian{ 70b7eaf815e14e920b90277de12fa6ac4760d5859cflorian int cc = 42; 71b7eaf815e14e920b90277de12fa6ac4760d5859cflorian cu21_t regs; 72b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 73b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* build up the register pairs */ 74b7eaf815e14e920b90277de12fa6ac4760d5859cflorian register uint16_t *source asm("4") = src; 75b7eaf815e14e920b90277de12fa6ac4760d5859cflorian register uint64_t source_len asm("5") = src_len; 76b7eaf815e14e920b90277de12fa6ac4760d5859cflorian register uint8_t *dest asm("2") = dst; 77b7eaf815e14e920b90277de12fa6ac4760d5859cflorian register uint64_t dest_len asm("3") = dst_len; 78b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 79b7eaf815e14e920b90277de12fa6ac4760d5859cflorian asm volatile( 80b7eaf815e14e920b90277de12fa6ac4760d5859cflorian CU21(M3,2,4) 81b7eaf815e14e920b90277de12fa6ac4760d5859cflorian "ipm %2\n\t" 82b7eaf815e14e920b90277de12fa6ac4760d5859cflorian "srl %2,28\n\t" 83b7eaf815e14e920b90277de12fa6ac4760d5859cflorian : "+d"(dest), "+d"(source), "=d"(cc), 84b7eaf815e14e920b90277de12fa6ac4760d5859cflorian "+d"(source_len), "+d"(dest_len) 85b7eaf815e14e920b90277de12fa6ac4760d5859cflorian : 86b7eaf815e14e920b90277de12fa6ac4760d5859cflorian : "memory", "cc"); 87b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 88b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Capture register contents at end of cu21 */ 89b7eaf815e14e920b90277de12fa6ac4760d5859cflorian regs.addr1 = (uint64_t)dest; 90b7eaf815e14e920b90277de12fa6ac4760d5859cflorian regs.len1 = dest_len; 91b7eaf815e14e920b90277de12fa6ac4760d5859cflorian regs.addr2 = (uint64_t)source; 92b7eaf815e14e920b90277de12fa6ac4760d5859cflorian regs.len2 = source_len; 93b7eaf815e14e920b90277de12fa6ac4760d5859cflorian regs.cc = cc; 94b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 95b7eaf815e14e920b90277de12fa6ac4760d5859cflorian return regs; 96b7eaf815e14e920b90277de12fa6ac4760d5859cflorian} 97b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 98b7eaf815e14e920b90277de12fa6ac4760d5859cflorianvoid 99b7eaf815e14e920b90277de12fa6ac4760d5859cflorianrun_test(uint8_t *dst, uint64_t dst_len, uint16_t *src, uint64_t src_len) 100b7eaf815e14e920b90277de12fa6ac4760d5859cflorian{ 101b7eaf815e14e920b90277de12fa6ac4760d5859cflorian int i; 102b7eaf815e14e920b90277de12fa6ac4760d5859cflorian cu21_t result; 103b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 104b7eaf815e14e920b90277de12fa6ac4760d5859cflorian result = do_cu21(dst, dst_len, src, src_len); 105b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 106b7eaf815e14e920b90277de12fa6ac4760d5859cflorian // Write out the converted bytes, if any 107b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf("UTF8: "); 108b7eaf815e14e920b90277de12fa6ac4760d5859cflorian if (dst_len - result.len1 == 0) 109b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf(" <none>"); 110b7eaf815e14e920b90277de12fa6ac4760d5859cflorian else 111b7eaf815e14e920b90277de12fa6ac4760d5859cflorian for (i = 0; i < dst_len - result.len1; i++) { 112b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf(" %02x", dst[i]); 113b7eaf815e14e920b90277de12fa6ac4760d5859cflorian } 114b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf("\n"); 115b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 116b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf(" cc = %d\n", result.cc); 117b7eaf815e14e920b90277de12fa6ac4760d5859cflorian if (dst != NULL) 118b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf(" dst address difference: %"PRId64, result.addr1 - (uint64_t)dst); 119b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf(" dst len: %"PRId64"\n", result.len1); 120b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 121b7eaf815e14e920b90277de12fa6ac4760d5859cflorian if (src != NULL) 122b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf(" src address difference: %"PRId64, result.addr2 - (uint64_t)src); 123b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf(" src len: %"PRId64"\n", result.len2); 124b7eaf815e14e920b90277de12fa6ac4760d5859cflorian} 125b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 126b7eaf815e14e920b90277de12fa6ac4760d5859cflorianint main() 127b7eaf815e14e920b90277de12fa6ac4760d5859cflorian{ 128b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Length == 0, no memory should be read or written */ 129b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf("\n------------- test1 ----------------\n"); 130b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(NULL, 0, NULL, 0); 131b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 132b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Test exhaustion of source length (source bytes are valid) */ 133b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf("\n------------- test2.1 ----------------\n"); 134b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 135b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* No character will be written to BUFF, i.e. loop in jitted code 136b7eaf815e14e920b90277de12fa6ac4760d5859cflorian is not iterated */ 137b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, NULL, 1); 138b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, pattern1, 1); 139b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, pattern2, 1); 140b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, pattern3, 1); 141b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, pattern4, 1); 142b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, pattern4, 2); 143b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, pattern4, 3); 144b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 145b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf("\n------------- test2.2 ----------------\n"); 146b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* At least one character will be written to BUFF, i.e. loop in jitted 147b7eaf815e14e920b90277de12fa6ac4760d5859cflorian code is iterated */ 148b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, pattern1, 3); 149b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, pattern2, 5); 150b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, pattern3, 7); 151b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, pattern4, 9); 152b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, pattern4, 10); 153b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, pattern4, 11); 154b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 155b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Test exhaustion of destination length (source bytes are valid) */ 156b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf("\n------------- test3.1 ----------------\n"); 157b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 158b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* No character will be written to BUFF, i.e. loop in jitted code 159b7eaf815e14e920b90277de12fa6ac4760d5859cflorian is not iterated */ 160b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 161b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Want to write a single byte */ 162b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(NULL, 0, pattern1, sizeof pattern1); 163b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 164b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Want to write two bytes */ 165b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(NULL, 0, pattern2, sizeof pattern2); 166b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(NULL, 1, pattern2, sizeof pattern2); 167b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 168b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Want to write three bytes */ 169b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(NULL, 0, pattern3, sizeof pattern3); 170b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(NULL, 1, pattern3, sizeof pattern3); 171b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(NULL, 2, pattern3, sizeof pattern3); 172b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 173b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Want to write four bytes */ 174b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(NULL, 0, pattern4, sizeof pattern4); 175b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(NULL, 1, pattern4, sizeof pattern4); 176b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(NULL, 2, pattern4, sizeof pattern4); 177b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(NULL, 3, pattern4, sizeof pattern4); 178b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 179b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf("\n------------- test3.2 ----------------\n"); 180b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* At least one character will be written to BUFF, i.e. loop in jitted 181b7eaf815e14e920b90277de12fa6ac4760d5859cflorian code is iterated */ 182b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, 3, pattern1, sizeof pattern1); 183b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 184b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, 5, pattern2, sizeof pattern2); 185b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 186b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, 7, pattern3, sizeof pattern3); 187b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, 8, pattern3, sizeof pattern3); 188b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 189b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, 9, pattern4, sizeof pattern4); 190b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, 10, pattern4, sizeof pattern4); 191b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, 11, pattern4, sizeof pattern4); 192b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 193b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* When both operands are exhausted, cc=0 takes precedence. 194b7eaf815e14e920b90277de12fa6ac4760d5859cflorian (test1 tests this for len == 0) */ 195b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf("\n------------- test4 ----------------\n"); 196b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, 6, pattern1, 6); 197b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 198b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Input has invalid low surrogate. */ 199b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf("\n------------- test5 ----------------\n"); 200b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, invalid, sizeof invalid); 201b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, 0, invalid, sizeof invalid); 202b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 203b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Convert all pattern buffers */ 204b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf("\n------------- test6 ----------------\n"); 205b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, pattern1, sizeof pattern1); 206b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, pattern2, sizeof pattern2); 207b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, pattern3, sizeof pattern3); 208b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, pattern4, sizeof pattern4); 209b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, mixed, sizeof mixed); 210b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 211b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Make sure we only write the exact number of bytes (and not more) */ 212b7eaf815e14e920b90277de12fa6ac4760d5859cflorian uint16_t pat[2]; 213b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 214b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Write 1 byte */ 215b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf("\n------------- test7.1 ----------------\n"); 216b7eaf815e14e920b90277de12fa6ac4760d5859cflorian pat[0] = 0x10; 217b7eaf815e14e920b90277de12fa6ac4760d5859cflorian write_and_check(pat, 2, 1); 218b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 219b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Write 2 bytes */ 220b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf("\n------------- test7.2 ----------------\n"); 221b7eaf815e14e920b90277de12fa6ac4760d5859cflorian pat[0] = 0x8f; 222b7eaf815e14e920b90277de12fa6ac4760d5859cflorian write_and_check(pat, 2, 2); 223b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 224b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Write 3 bytes */ 225b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf("\n------------- test7.3 ----------------\n"); 226b7eaf815e14e920b90277de12fa6ac4760d5859cflorian pat[0] = 0x842; 227b7eaf815e14e920b90277de12fa6ac4760d5859cflorian write_and_check(pat, 2, 3); 228b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 229b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Write 4 bytes */ 230b7eaf815e14e920b90277de12fa6ac4760d5859cflorian printf("\n------------- test7.4 ----------------\n"); 231b7eaf815e14e920b90277de12fa6ac4760d5859cflorian pat[0] = 0xd842; 232b7eaf815e14e920b90277de12fa6ac4760d5859cflorian pat[1] = 0xdc42; 233b7eaf815e14e920b90277de12fa6ac4760d5859cflorian write_and_check(pat, 2, 4); 234b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 235b7eaf815e14e920b90277de12fa6ac4760d5859cflorian return 0; 236b7eaf815e14e920b90277de12fa6ac4760d5859cflorian} 237b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 238b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 239b7eaf815e14e920b90277de12fa6ac4760d5859cflorianvoid 240b7eaf815e14e920b90277de12fa6ac4760d5859cflorianwrite_and_check_aux(uint16_t *input, unsigned num_input_bytes, 241b7eaf815e14e920b90277de12fa6ac4760d5859cflorian unsigned num_expected_output_bytes, 242b7eaf815e14e920b90277de12fa6ac4760d5859cflorian unsigned fill_byte) 243b7eaf815e14e920b90277de12fa6ac4760d5859cflorian{ 244b7eaf815e14e920b90277de12fa6ac4760d5859cflorian int num_errors, i; 245b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 246b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Fill output buffer with FILL_BYTE */ 247b7eaf815e14e920b90277de12fa6ac4760d5859cflorian memset(buff, fill_byte, sizeof buff); 248b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 249b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Execute cu21 */ 250b7eaf815e14e920b90277de12fa6ac4760d5859cflorian run_test(buff, sizeof buff, input, num_input_bytes); 251b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 252b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Make sure the rest of the buffer is unmodified. */ 253b7eaf815e14e920b90277de12fa6ac4760d5859cflorian num_errors = 0; 254b7eaf815e14e920b90277de12fa6ac4760d5859cflorian for (i = num_expected_output_bytes; i < sizeof buff; ++i) 255b7eaf815e14e920b90277de12fa6ac4760d5859cflorian if (buff[i] != fill_byte) ++num_errors; 256b7eaf815e14e920b90277de12fa6ac4760d5859cflorian if (num_errors) 257c52e0f546176a373fd25f29f914140c8eed81007florian fprintf(stderr, "*** wrote more than %u bytes\n", 258c52e0f546176a373fd25f29f914140c8eed81007florian num_expected_output_bytes); 259b7eaf815e14e920b90277de12fa6ac4760d5859cflorian} 260b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 261b7eaf815e14e920b90277de12fa6ac4760d5859cflorianvoid 262b7eaf815e14e920b90277de12fa6ac4760d5859cflorianwrite_and_check(uint16_t *input, unsigned num_input_bytes, 263b7eaf815e14e920b90277de12fa6ac4760d5859cflorian unsigned num_expected_output_bytes) 264b7eaf815e14e920b90277de12fa6ac4760d5859cflorian{ 265b7eaf815e14e920b90277de12fa6ac4760d5859cflorian write_and_check_aux(input, num_input_bytes, num_expected_output_bytes, 0x0); 266b7eaf815e14e920b90277de12fa6ac4760d5859cflorian 267b7eaf815e14e920b90277de12fa6ac4760d5859cflorian /* Run again with different fill pattern to make sure we did not write 268b7eaf815e14e920b90277de12fa6ac4760d5859cflorian an extra 0x0 byte */ 269b7eaf815e14e920b90277de12fa6ac4760d5859cflorian write_and_check_aux(input, num_input_bytes, num_expected_output_bytes, 0xFF); 270b7eaf815e14e920b90277de12fa6ac4760d5859cflorian} 271