1 /*++ 2 3 Copyright (c) 1998 Intel Corporation 4 5 Module Name: 6 7 print.c 8 9 Abstract: 10 11 12 13 14 Revision History 15 16 --*/ 17 18 #include "lib.h" 19 #include "efistdarg.h" // !!! 20 21 // 22 // Declare runtime functions 23 // 24 25 #ifdef RUNTIME_CODE 26 #ifndef __GNUC__ 27 #pragma RUNTIME_CODE(DbgPrint) 28 29 // For debugging.. 30 31 /* 32 #pragma RUNTIME_CODE(_Print) 33 #pragma RUNTIME_CODE(PFLUSH) 34 #pragma RUNTIME_CODE(PSETATTR) 35 #pragma RUNTIME_CODE(PPUTC) 36 #pragma RUNTIME_CODE(PGETC) 37 #pragma RUNTIME_CODE(PITEM) 38 #pragma RUNTIME_CODE(ValueToHex) 39 #pragma RUNTIME_CODE(ValueToString) 40 #pragma RUNTIME_CODE(TimeToString) 41 */ 42 43 #endif /* !defined(__GNUC__) */ 44 #endif 45 46 // 47 // 48 // 49 50 51 #define PRINT_STRING_LEN 200 52 #define PRINT_ITEM_BUFFER_LEN 100 53 54 typedef struct { 55 BOOLEAN Ascii; 56 UINTN Index; 57 union { 58 CONST CHAR16 *pw; 59 CONST CHAR8 *pc; 60 } un; 61 } POINTER; 62 63 #define pw un.pw 64 #define pc un.pc 65 66 typedef struct _pitem { 67 68 POINTER Item; 69 CHAR16 Scratch[PRINT_ITEM_BUFFER_LEN]; 70 UINTN Width; 71 UINTN FieldWidth; 72 UINTN *WidthParse; 73 CHAR16 Pad; 74 BOOLEAN PadBefore; 75 BOOLEAN Comma; 76 BOOLEAN Long; 77 } PRINT_ITEM; 78 79 80 typedef struct _pstate { 81 // Input 82 POINTER fmt; 83 va_list args; 84 85 // Output 86 CHAR16 *Buffer; 87 CHAR16 *End; 88 CHAR16 *Pos; 89 UINTN Len; 90 91 UINTN Attr; 92 UINTN RestoreAttr; 93 94 UINTN AttrNorm; 95 UINTN AttrHighlight; 96 UINTN AttrError; 97 98 INTN (EFIAPI *Output)(VOID *context, CHAR16 *str); 99 INTN (EFIAPI *SetAttr)(VOID *context, UINTN attr); 100 VOID *Context; 101 102 // Current item being formatted 103 struct _pitem *Item; 104 } PRINT_STATE; 105 106 // 107 // Internal fucntions 108 // 109 110 STATIC 111 UINTN 112 _Print ( 113 IN PRINT_STATE *ps 114 ); 115 116 STATIC 117 UINTN 118 _IPrint ( 119 IN UINTN Column, 120 IN UINTN Row, 121 IN SIMPLE_TEXT_OUTPUT_INTERFACE *Out, 122 IN CONST CHAR16 *fmt, 123 IN CONST CHAR8 *fmta, 124 IN va_list args 125 ); 126 127 STATIC 128 INTN EFIAPI 129 _DbgOut ( 130 IN VOID *Context, 131 IN CHAR16 *Buffer 132 ); 133 134 STATIC 135 VOID 136 PFLUSH ( 137 IN OUT PRINT_STATE *ps 138 ); 139 140 STATIC 141 VOID 142 PPUTC ( 143 IN OUT PRINT_STATE *ps, 144 IN CHAR16 c 145 ); 146 147 STATIC 148 VOID 149 PITEM ( 150 IN OUT PRINT_STATE *ps 151 ); 152 153 STATIC 154 CHAR16 155 PGETC ( 156 IN POINTER *p 157 ); 158 159 STATIC 160 VOID 161 PSETATTR ( 162 IN OUT PRINT_STATE *ps, 163 IN UINTN Attr 164 ); 165 166 // 167 // 168 // 169 170 INTN EFIAPI 171 _SPrint ( 172 IN VOID *Context, 173 IN CHAR16 *Buffer 174 ); 175 176 INTN EFIAPI 177 _PoolPrint ( 178 IN VOID *Context, 179 IN CHAR16 *Buffer 180 ); 181 182 INTN 183 DbgPrint ( 184 IN INTN mask, 185 IN CONST CHAR8 *fmt, 186 ... 187 ) 188 /*++ 189 190 Routine Description: 191 192 Prints a formatted unicode string to the default StandardError console 193 194 Arguments: 195 196 mask - Bit mask of debug string. If a bit is set in the 197 mask that is also set in EFIDebug the string is 198 printed; otherwise, the string is not printed 199 200 fmt - Format string 201 202 Returns: 203 204 Length of string printed to the StandardError console 205 206 --*/ 207 { 208 SIMPLE_TEXT_OUTPUT_INTERFACE *DbgOut; 209 PRINT_STATE ps; 210 va_list args; 211 UINTN back; 212 UINTN attr; 213 UINTN SavedAttribute; 214 215 216 if (!(EFIDebug & mask)) { 217 return 0; 218 } 219 220 va_start (args, fmt); 221 ZeroMem (&ps, sizeof(ps)); 222 223 ps.Output = _DbgOut; 224 ps.fmt.Ascii = TRUE; 225 ps.fmt.pc = fmt; 226 va_copy(ps.args, args); 227 ps.Attr = EFI_TEXT_ATTR(EFI_LIGHTGRAY, EFI_RED); 228 229 DbgOut = LibRuntimeDebugOut; 230 231 if (!DbgOut) { 232 DbgOut = ST->StdErr; 233 } 234 235 if (DbgOut) { 236 ps.Attr = DbgOut->Mode->Attribute; 237 ps.Context = DbgOut; 238 ps.SetAttr = (INTN (EFIAPI *)(VOID *, UINTN)) DbgOut->SetAttribute; 239 } 240 241 SavedAttribute = ps.Attr; 242 243 back = (ps.Attr >> 4) & 0xf; 244 ps.AttrNorm = EFI_TEXT_ATTR(EFI_LIGHTGRAY, back); 245 ps.AttrHighlight = EFI_TEXT_ATTR(EFI_WHITE, back); 246 ps.AttrError = EFI_TEXT_ATTR(EFI_YELLOW, back); 247 248 attr = ps.AttrNorm; 249 250 if (mask & D_WARN) { 251 attr = ps.AttrHighlight; 252 } 253 254 if (mask & D_ERROR) { 255 attr = ps.AttrError; 256 } 257 258 if (ps.SetAttr) { 259 ps.Attr = attr; 260 uefi_call_wrapper(ps.SetAttr, 2, ps.Context, attr); 261 } 262 263 _Print (&ps); 264 265 va_end (ps.args); 266 va_end (args); 267 268 // 269 // Restore original attributes 270 // 271 272 if (ps.SetAttr) { 273 uefi_call_wrapper(ps.SetAttr, 2, ps.Context, SavedAttribute); 274 } 275 276 return 0; 277 } 278 279 STATIC 280 INTN 281 IsLocalPrint(void *func) 282 { 283 if (func == _DbgOut || func == _SPrint || func == _PoolPrint) 284 return 1; 285 return 0; 286 } 287 288 STATIC 289 INTN EFIAPI 290 _DbgOut ( 291 IN VOID *Context, 292 IN CHAR16 *Buffer 293 ) 294 // Append string worker for DbgPrint 295 { 296 SIMPLE_TEXT_OUTPUT_INTERFACE *DbgOut; 297 298 DbgOut = Context; 299 // if (!DbgOut && ST && ST->ConOut) { 300 // DbgOut = ST->ConOut; 301 // } 302 303 if (DbgOut) { 304 if (IsLocalPrint(DbgOut->OutputString)) 305 DbgOut->OutputString(DbgOut, Buffer); 306 else 307 uefi_call_wrapper(DbgOut->OutputString, 2, DbgOut, Buffer); 308 } 309 310 return 0; 311 } 312 313 INTN EFIAPI 314 _SPrint ( 315 IN VOID *Context, 316 IN CHAR16 *Buffer 317 ) 318 // Append string worker for SPrint, PoolPrint and CatPrint 319 { 320 UINTN len; 321 POOL_PRINT *spc; 322 323 spc = Context; 324 len = StrLen(Buffer); 325 326 // 327 // Is the string is over the max truncate it 328 // 329 330 if (spc->len + len > spc->maxlen) { 331 len = spc->maxlen - spc->len; 332 } 333 334 // 335 // Append the new text 336 // 337 338 CopyMem (spc->str + spc->len, Buffer, len * sizeof(CHAR16)); 339 spc->len += len; 340 341 // 342 // Null terminate it 343 // 344 345 if (spc->len < spc->maxlen) { 346 spc->str[spc->len] = 0; 347 } else if (spc->maxlen) { 348 spc->str[spc->maxlen] = 0; 349 } 350 351 return 0; 352 } 353 354 355 INTN EFIAPI 356 _PoolPrint ( 357 IN VOID *Context, 358 IN CHAR16 *Buffer 359 ) 360 // Append string worker for PoolPrint and CatPrint 361 { 362 UINTN newlen; 363 POOL_PRINT *spc; 364 365 spc = Context; 366 newlen = spc->len + StrLen(Buffer) + 1; 367 368 // 369 // Is the string is over the max, grow the buffer 370 // 371 372 if (newlen > spc->maxlen) { 373 374 // 375 // Grow the pool buffer 376 // 377 378 newlen += PRINT_STRING_LEN; 379 spc->maxlen = newlen; 380 spc->str = ReallocatePool ( 381 spc->str, 382 spc->len * sizeof(CHAR16), 383 spc->maxlen * sizeof(CHAR16) 384 ); 385 386 if (!spc->str) { 387 spc->len = 0; 388 spc->maxlen = 0; 389 } 390 } 391 392 // 393 // Append the new text 394 // 395 396 return _SPrint (Context, Buffer); 397 } 398 399 400 401 VOID 402 _PoolCatPrint ( 403 IN CONST CHAR16 *fmt, 404 IN va_list args, 405 IN OUT POOL_PRINT *spc, 406 IN INTN (EFIAPI *Output)(VOID *context, CHAR16 *str) 407 ) 408 // Dispath function for SPrint, PoolPrint, and CatPrint 409 { 410 PRINT_STATE ps; 411 412 ZeroMem (&ps, sizeof(ps)); 413 ps.Output = Output; 414 ps.Context = spc; 415 ps.fmt.pw = fmt; 416 va_copy(ps.args, args); 417 _Print (&ps); 418 va_end(ps.args); 419 } 420 421 422 423 UINTN 424 VSPrint ( 425 OUT CHAR16 *Str, 426 IN UINTN StrSize, 427 IN CONST CHAR16 *fmt, 428 va_list args 429 ) 430 /*++ 431 432 Routine Description: 433 434 Prints a formatted unicode string to a buffer using a va_list 435 436 Arguments: 437 438 Str - Output buffer to print the formatted string into 439 440 StrSize - Size of Str. String is truncated to this size. 441 A size of 0 means there is no limit 442 443 fmt - The format string 444 445 args - va_list 446 447 448 Returns: 449 450 String length returned in buffer 451 452 --*/ 453 { 454 POOL_PRINT spc; 455 456 spc.str = Str; 457 spc.maxlen = StrSize / sizeof(CHAR16) - 1; 458 spc.len = 0; 459 460 _PoolCatPrint (fmt, args, &spc, _SPrint); 461 462 return spc.len; 463 } 464 465 UINTN 466 SPrint ( 467 OUT CHAR16 *Str, 468 IN UINTN StrSize, 469 IN CONST CHAR16 *fmt, 470 ... 471 ) 472 /*++ 473 474 Routine Description: 475 476 Prints a formatted unicode string to a buffer 477 478 Arguments: 479 480 Str - Output buffer to print the formatted string into 481 482 StrSize - Size of Str. String is truncated to this size. 483 A size of 0 means there is no limit 484 485 fmt - The format string 486 487 Returns: 488 489 String length returned in buffer 490 491 --*/ 492 { 493 va_list args; 494 UINTN len; 495 496 va_start (args, fmt); 497 len = VSPrint(Str, StrSize, fmt, args); 498 va_end (args); 499 500 return len; 501 } 502 503 CHAR16 * 504 VPoolPrint ( 505 IN CONST CHAR16 *fmt, 506 va_list args 507 ) 508 /*++ 509 510 Routine Description: 511 512 Prints a formatted unicode string to allocated pool using va_list argument. 513 The caller must free the resulting buffer. 514 515 Arguments: 516 517 fmt - The format string 518 args - The arguments in va_list form 519 520 Returns: 521 522 Allocated buffer with the formatted string printed in it. 523 The caller must free the allocated buffer. The buffer 524 allocation is not packed. 525 526 --*/ 527 { 528 POOL_PRINT spc; 529 ZeroMem (&spc, sizeof(spc)); 530 _PoolCatPrint (fmt, args, &spc, _PoolPrint); 531 return spc.str; 532 } 533 534 CHAR16 * 535 PoolPrint ( 536 IN CONST CHAR16 *fmt, 537 ... 538 ) 539 /*++ 540 541 Routine Description: 542 543 Prints a formatted unicode string to allocated pool. The caller 544 must free the resulting buffer. 545 546 Arguments: 547 548 fmt - The format string 549 550 Returns: 551 552 Allocated buffer with the formatted string printed in it. 553 The caller must free the allocated buffer. The buffer 554 allocation is not packed. 555 556 --*/ 557 { 558 va_list args; 559 CHAR16 *pool; 560 va_start (args, fmt); 561 pool = VPoolPrint(fmt, args); 562 va_end (args); 563 return pool; 564 } 565 566 CHAR16 * 567 CatPrint ( 568 IN OUT POOL_PRINT *Str, 569 IN CONST CHAR16 *fmt, 570 ... 571 ) 572 /*++ 573 574 Routine Description: 575 576 Concatenates a formatted unicode string to allocated pool. 577 The caller must free the resulting buffer. 578 579 Arguments: 580 581 Str - Tracks the allocated pool, size in use, and 582 amount of pool allocated. 583 584 fmt - The format string 585 586 Returns: 587 588 Allocated buffer with the formatted string printed in it. 589 The caller must free the allocated buffer. The buffer 590 allocation is not packed. 591 592 --*/ 593 { 594 va_list args; 595 596 va_start (args, fmt); 597 _PoolCatPrint (fmt, args, Str, _PoolPrint); 598 va_end (args); 599 return Str->str; 600 } 601 602 603 604 UINTN 605 Print ( 606 IN CONST CHAR16 *fmt, 607 ... 608 ) 609 /*++ 610 611 Routine Description: 612 613 Prints a formatted unicode string to the default console 614 615 Arguments: 616 617 fmt - Format string 618 619 Returns: 620 621 Length of string printed to the console 622 623 --*/ 624 { 625 va_list args; 626 UINTN back; 627 628 va_start (args, fmt); 629 back = _IPrint ((UINTN) -1, (UINTN) -1, ST->ConOut, fmt, NULL, args); 630 va_end (args); 631 return back; 632 } 633 634 UINTN 635 VPrint ( 636 IN CONST CHAR16 *fmt, 637 va_list args 638 ) 639 /*++ 640 641 Routine Description: 642 643 Prints a formatted unicode string to the default console using a va_list 644 645 Arguments: 646 647 fmt - Format string 648 args - va_list 649 Returns: 650 651 Length of string printed to the console 652 653 --*/ 654 { 655 return _IPrint ((UINTN) -1, (UINTN) -1, ST->ConOut, fmt, NULL, args); 656 } 657 658 659 UINTN 660 PrintAt ( 661 IN UINTN Column, 662 IN UINTN Row, 663 IN CONST CHAR16 *fmt, 664 ... 665 ) 666 /*++ 667 668 Routine Description: 669 670 Prints a formatted unicode string to the default console, at 671 the supplied cursor position 672 673 Arguments: 674 675 Column, Row - The cursor position to print the string at 676 677 fmt - Format string 678 679 Returns: 680 681 Length of string printed to the console 682 683 --*/ 684 { 685 va_list args; 686 UINTN back; 687 688 va_start (args, fmt); 689 back = _IPrint (Column, Row, ST->ConOut, fmt, NULL, args); 690 va_end (args); 691 return back; 692 } 693 694 695 UINTN 696 IPrint ( 697 IN SIMPLE_TEXT_OUTPUT_INTERFACE *Out, 698 IN CONST CHAR16 *fmt, 699 ... 700 ) 701 /*++ 702 703 Routine Description: 704 705 Prints a formatted unicode string to the specified console 706 707 Arguments: 708 709 Out - The console to print the string too 710 711 fmt - Format string 712 713 Returns: 714 715 Length of string printed to the console 716 717 --*/ 718 { 719 va_list args; 720 UINTN back; 721 722 va_start (args, fmt); 723 back = _IPrint ((UINTN) -1, (UINTN) -1, Out, fmt, NULL, args); 724 va_end (args); 725 return back; 726 } 727 728 729 UINTN 730 IPrintAt ( 731 IN SIMPLE_TEXT_OUTPUT_INTERFACE *Out, 732 IN UINTN Column, 733 IN UINTN Row, 734 IN CONST CHAR16 *fmt, 735 ... 736 ) 737 /*++ 738 739 Routine Description: 740 741 Prints a formatted unicode string to the specified console, at 742 the supplied cursor position 743 744 Arguments: 745 746 Out - The console to print the string to 747 748 Column, Row - The cursor position to print the string at 749 750 fmt - Format string 751 752 Returns: 753 754 Length of string printed to the console 755 756 --*/ 757 { 758 va_list args; 759 UINTN back; 760 761 va_start (args, fmt); 762 back = _IPrint (Column, Row, Out, fmt, NULL, args); 763 va_end (args); 764 return back; 765 } 766 767 768 UINTN 769 _IPrint ( 770 IN UINTN Column, 771 IN UINTN Row, 772 IN SIMPLE_TEXT_OUTPUT_INTERFACE *Out, 773 IN CONST CHAR16 *fmt, 774 IN CONST CHAR8 *fmta, 775 IN va_list args 776 ) 777 // Display string worker for: Print, PrintAt, IPrint, IPrintAt 778 { 779 PRINT_STATE ps; 780 UINTN back; 781 782 ZeroMem (&ps, sizeof(ps)); 783 ps.Context = Out; 784 ps.Output = (INTN (EFIAPI *)(VOID *, CHAR16 *)) Out->OutputString; 785 ps.SetAttr = (INTN (EFIAPI *)(VOID *, UINTN)) Out->SetAttribute; 786 ps.Attr = Out->Mode->Attribute; 787 788 back = (ps.Attr >> 4) & 0xF; 789 ps.AttrNorm = EFI_TEXT_ATTR(EFI_LIGHTGRAY, back); 790 ps.AttrHighlight = EFI_TEXT_ATTR(EFI_WHITE, back); 791 ps.AttrError = EFI_TEXT_ATTR(EFI_YELLOW, back); 792 793 if (fmt) { 794 ps.fmt.pw = fmt; 795 } else { 796 ps.fmt.Ascii = TRUE; 797 ps.fmt.pc = fmta; 798 } 799 800 va_copy(ps.args, args); 801 802 if (Column != (UINTN) -1) { 803 uefi_call_wrapper(Out->SetCursorPosition, 3, Out, Column, Row); 804 } 805 806 back = _Print (&ps); 807 va_end(ps.args); 808 return back; 809 } 810 811 812 UINTN 813 APrint ( 814 IN CONST CHAR8 *fmt, 815 ... 816 ) 817 /*++ 818 819 Routine Description: 820 821 For those whom really can't deal with unicode, a print 822 function that takes an ascii format string 823 824 Arguments: 825 826 fmt - ascii format string 827 828 Returns: 829 830 Length of string printed to the console 831 832 --*/ 833 834 { 835 va_list args; 836 UINTN back; 837 838 va_start (args, fmt); 839 back = _IPrint ((UINTN) -1, (UINTN) -1, ST->ConOut, NULL, fmt, args); 840 va_end (args); 841 return back; 842 } 843 844 845 STATIC 846 VOID 847 PFLUSH ( 848 IN OUT PRINT_STATE *ps 849 ) 850 { 851 *ps->Pos = 0; 852 if (IsLocalPrint(ps->Output)) 853 ps->Output(ps->Context, ps->Buffer); 854 else 855 uefi_call_wrapper(ps->Output, 2, ps->Context, ps->Buffer); 856 ps->Pos = ps->Buffer; 857 } 858 859 STATIC 860 VOID 861 PSETATTR ( 862 IN OUT PRINT_STATE *ps, 863 IN UINTN Attr 864 ) 865 { 866 PFLUSH (ps); 867 868 ps->RestoreAttr = ps->Attr; 869 if (ps->SetAttr) { 870 uefi_call_wrapper(ps->SetAttr, 2, ps->Context, Attr); 871 } 872 873 ps->Attr = Attr; 874 } 875 876 STATIC 877 VOID 878 PPUTC ( 879 IN OUT PRINT_STATE *ps, 880 IN CHAR16 c 881 ) 882 { 883 // if this is a newline, add a carraige return 884 if (c == '\n') { 885 PPUTC (ps, '\r'); 886 } 887 888 *ps->Pos = c; 889 ps->Pos += 1; 890 ps->Len += 1; 891 892 // if at the end of the buffer, flush it 893 if (ps->Pos >= ps->End) { 894 PFLUSH(ps); 895 } 896 } 897 898 899 STATIC 900 CHAR16 901 PGETC ( 902 IN POINTER *p 903 ) 904 { 905 CHAR16 c; 906 907 c = p->Ascii ? p->pc[p->Index] : p->pw[p->Index]; 908 p->Index += 1; 909 910 return c; 911 } 912 913 914 STATIC 915 VOID 916 PITEM ( 917 IN OUT PRINT_STATE *ps 918 ) 919 { 920 UINTN Len, i; 921 PRINT_ITEM *Item; 922 CHAR16 c; 923 924 // Get the length of the item 925 Item = ps->Item; 926 Item->Item.Index = 0; 927 while (Item->Item.Index < Item->FieldWidth) { 928 c = PGETC(&Item->Item); 929 if (!c) { 930 Item->Item.Index -= 1; 931 break; 932 } 933 } 934 Len = Item->Item.Index; 935 936 // if there is no item field width, use the items width 937 if (Item->FieldWidth == (UINTN) -1) { 938 Item->FieldWidth = Len; 939 } 940 941 // if item is larger then width, update width 942 if (Len > Item->Width) { 943 Item->Width = Len; 944 } 945 946 947 // if pad field before, add pad char 948 if (Item->PadBefore) { 949 for (i=Item->Width; i < Item->FieldWidth; i+=1) { 950 PPUTC (ps, ' '); 951 } 952 } 953 954 // pad item 955 for (i=Len; i < Item->Width; i++) { 956 PPUTC (ps, Item->Pad); 957 } 958 959 // add the item 960 Item->Item.Index=0; 961 while (Item->Item.Index < Len) { 962 PPUTC (ps, PGETC(&Item->Item)); 963 } 964 965 // If pad at the end, add pad char 966 if (!Item->PadBefore) { 967 for (i=Item->Width; i < Item->FieldWidth; i+=1) { 968 PPUTC (ps, ' '); 969 } 970 } 971 } 972 973 974 STATIC 975 UINTN 976 _Print ( 977 IN PRINT_STATE *ps 978 ) 979 /*++ 980 981 Routine Description: 982 983 %w.lF - w = width 984 l = field width 985 F = format of arg 986 987 Args F: 988 0 - pad with zeros 989 - - justify on left (default is on right) 990 , - add comma's to field 991 * - width provided on stack 992 n - Set output attribute to normal (for this field only) 993 h - Set output attribute to highlight (for this field only) 994 e - Set output attribute to error (for this field only) 995 l - Value is 64 bits 996 997 a - ascii string 998 s - unicode string 999 X - fixed 8 byte value in hex 1000 x - hex value 1001 d - value as signed decimal 1002 u - value as unsigned decimal 1003 f - value as floating point 1004 c - Unicode char 1005 t - EFI time structure 1006 g - Pointer to GUID 1007 r - EFI status code (result code) 1008 1009 N - Set output attribute to normal 1010 H - Set output attribute to highlight 1011 E - Set output attribute to error 1012 % - Print a % 1013 1014 Arguments: 1015 1016 SystemTable - The system table 1017 1018 Returns: 1019 1020 Number of charactors written 1021 1022 --*/ 1023 { 1024 CHAR16 c; 1025 UINTN Attr; 1026 PRINT_ITEM Item; 1027 CHAR16 Buffer[PRINT_STRING_LEN]; 1028 1029 ps->Len = 0; 1030 ps->Buffer = Buffer; 1031 ps->Pos = Buffer; 1032 ps->End = Buffer + PRINT_STRING_LEN - 1; 1033 ps->Item = &Item; 1034 1035 ps->fmt.Index = 0; 1036 while ((c = PGETC(&ps->fmt))) { 1037 1038 if (c != '%') { 1039 PPUTC ( ps, c ); 1040 continue; 1041 } 1042 1043 // setup for new item 1044 Item.FieldWidth = (UINTN) -1; 1045 Item.Width = 0; 1046 Item.WidthParse = &Item.Width; 1047 Item.Pad = ' '; 1048 Item.PadBefore = TRUE; 1049 Item.Comma = FALSE; 1050 Item.Long = FALSE; 1051 Item.Item.Ascii = FALSE; 1052 Item.Item.pw = NULL; 1053 ps->RestoreAttr = 0; 1054 Attr = 0; 1055 1056 while ((c = PGETC(&ps->fmt))) { 1057 1058 switch (c) { 1059 1060 case '%': 1061 // 1062 // %% -> % 1063 // 1064 Item.Scratch[0] = '%'; 1065 Item.Scratch[1] = 0; 1066 Item.Item.pw = Item.Scratch; 1067 break; 1068 1069 case '0': 1070 Item.Pad = '0'; 1071 break; 1072 1073 case '-': 1074 Item.PadBefore = FALSE; 1075 break; 1076 1077 case ',': 1078 Item.Comma = TRUE; 1079 break; 1080 1081 case '.': 1082 Item.WidthParse = &Item.FieldWidth; 1083 break; 1084 1085 case '*': 1086 *Item.WidthParse = va_arg(ps->args, UINTN); 1087 break; 1088 1089 case '1': 1090 case '2': 1091 case '3': 1092 case '4': 1093 case '5': 1094 case '6': 1095 case '7': 1096 case '8': 1097 case '9': 1098 *Item.WidthParse = 0; 1099 do { 1100 *Item.WidthParse = *Item.WidthParse * 10 + c - '0'; 1101 c = PGETC(&ps->fmt); 1102 } while (c >= '0' && c <= '9') ; 1103 ps->fmt.Index -= 1; 1104 break; 1105 1106 case 'a': 1107 Item.Item.pc = va_arg(ps->args, CHAR8 *); 1108 Item.Item.Ascii = TRUE; 1109 if (!Item.Item.pc) { 1110 Item.Item.pc = (CHAR8 *)"(null)"; 1111 } 1112 break; 1113 1114 case 's': 1115 Item.Item.pw = va_arg(ps->args, CHAR16 *); 1116 if (!Item.Item.pw) { 1117 Item.Item.pw = L"(null)"; 1118 } 1119 break; 1120 1121 case 'c': 1122 Item.Scratch[0] = (CHAR16) va_arg(ps->args, UINTN); 1123 Item.Scratch[1] = 0; 1124 Item.Item.pw = Item.Scratch; 1125 break; 1126 1127 case 'l': 1128 Item.Long = TRUE; 1129 break; 1130 1131 case 'X': 1132 Item.Width = Item.Long ? 16 : 8; 1133 Item.Pad = '0'; 1134 #if __GNUC__ >= 7 1135 __attribute__ ((fallthrough)); 1136 #endif 1137 case 'x': 1138 ValueToHex ( 1139 Item.Scratch, 1140 Item.Long ? va_arg(ps->args, UINT64) : va_arg(ps->args, UINT32) 1141 ); 1142 Item.Item.pw = Item.Scratch; 1143 1144 break; 1145 1146 1147 case 'g': 1148 GuidToString (Item.Scratch, va_arg(ps->args, EFI_GUID *)); 1149 Item.Item.pw = Item.Scratch; 1150 break; 1151 1152 case 'u': 1153 ValueToString ( 1154 Item.Scratch, 1155 Item.Comma, 1156 Item.Long ? va_arg(ps->args, UINT64) : va_arg(ps->args, UINT32) 1157 ); 1158 Item.Item.pw = Item.Scratch; 1159 break; 1160 1161 case 'd': 1162 ValueToString ( 1163 Item.Scratch, 1164 Item.Comma, 1165 Item.Long ? va_arg(ps->args, INT64) : va_arg(ps->args, INT32) 1166 ); 1167 Item.Item.pw = Item.Scratch; 1168 break; 1169 1170 case 'f': 1171 FloatToString ( 1172 Item.Scratch, 1173 Item.Comma, 1174 va_arg(ps->args, double) 1175 ); 1176 Item.Item.pw = Item.Scratch; 1177 break; 1178 1179 case 't': 1180 TimeToString (Item.Scratch, va_arg(ps->args, EFI_TIME *)); 1181 Item.Item.pw = Item.Scratch; 1182 break; 1183 1184 case 'r': 1185 StatusToString (Item.Scratch, va_arg(ps->args, EFI_STATUS)); 1186 Item.Item.pw = Item.Scratch; 1187 break; 1188 1189 case 'n': 1190 PSETATTR(ps, ps->AttrNorm); 1191 break; 1192 1193 case 'h': 1194 PSETATTR(ps, ps->AttrHighlight); 1195 break; 1196 1197 case 'e': 1198 PSETATTR(ps, ps->AttrError); 1199 break; 1200 1201 case 'N': 1202 Attr = ps->AttrNorm; 1203 break; 1204 1205 case 'H': 1206 Attr = ps->AttrHighlight; 1207 break; 1208 1209 case 'E': 1210 Attr = ps->AttrError; 1211 break; 1212 1213 default: 1214 Item.Scratch[0] = '?'; 1215 Item.Scratch[1] = 0; 1216 Item.Item.pw = Item.Scratch; 1217 break; 1218 } 1219 1220 // if we have an Item 1221 if (Item.Item.pw) { 1222 PITEM (ps); 1223 break; 1224 } 1225 1226 // if we have an Attr set 1227 if (Attr) { 1228 PSETATTR(ps, Attr); 1229 ps->RestoreAttr = 0; 1230 break; 1231 } 1232 } 1233 1234 if (ps->RestoreAttr) { 1235 PSETATTR(ps, ps->RestoreAttr); 1236 } 1237 } 1238 1239 // Flush buffer 1240 PFLUSH (ps); 1241 return ps->Len; 1242 } 1243 1244 STATIC CHAR8 Hex[] = {'0','1','2','3','4','5','6','7', 1245 '8','9','A','B','C','D','E','F'}; 1246 1247 VOID 1248 ValueToHex ( 1249 IN CHAR16 *Buffer, 1250 IN UINT64 v 1251 ) 1252 { 1253 CHAR8 str[30], *p1; 1254 CHAR16 *p2; 1255 1256 if (!v) { 1257 Buffer[0] = '0'; 1258 Buffer[1] = 0; 1259 return ; 1260 } 1261 1262 p1 = str; 1263 p2 = Buffer; 1264 1265 while (v) { 1266 // Without the cast, the MSVC compiler may insert a reference to __allmull 1267 *(p1++) = Hex[(UINTN)(v & 0xf)]; 1268 v = RShiftU64 (v, 4); 1269 } 1270 1271 while (p1 != str) { 1272 *(p2++) = *(--p1); 1273 } 1274 *p2 = 0; 1275 } 1276 1277 1278 VOID 1279 ValueToString ( 1280 IN CHAR16 *Buffer, 1281 IN BOOLEAN Comma, 1282 IN INT64 v 1283 ) 1284 { 1285 STATIC CHAR8 ca[] = { 3, 1, 2 }; 1286 CHAR8 str[40], *p1; 1287 CHAR16 *p2; 1288 UINTN c, r; 1289 1290 if (!v) { 1291 Buffer[0] = '0'; 1292 Buffer[1] = 0; 1293 return ; 1294 } 1295 1296 p1 = str; 1297 p2 = Buffer; 1298 1299 if (v < 0) { 1300 *(p2++) = '-'; 1301 v = -v; 1302 } 1303 1304 while (v) { 1305 v = (INT64)DivU64x32 ((UINT64)v, 10, &r); 1306 *(p1++) = (CHAR8)r + '0'; 1307 } 1308 1309 c = (Comma ? ca[(p1 - str) % 3] : 999) + 1; 1310 while (p1 != str) { 1311 1312 c -= 1; 1313 if (!c) { 1314 *(p2++) = ','; 1315 c = 3; 1316 } 1317 1318 *(p2++) = *(--p1); 1319 } 1320 *p2 = 0; 1321 } 1322 1323 VOID 1324 FloatToString ( 1325 IN CHAR16 *Buffer, 1326 IN BOOLEAN Comma, 1327 IN double v 1328 ) 1329 { 1330 /* 1331 * Integer part. 1332 */ 1333 INTN i = (INTN)v; 1334 ValueToString(Buffer, Comma, i); 1335 1336 1337 /* 1338 * Decimal point. 1339 */ 1340 UINTN x = StrLen(Buffer); 1341 Buffer[x] = L'.'; 1342 x++; 1343 1344 1345 /* 1346 * Keep fractional part. 1347 */ 1348 float f = (float)(v - i); 1349 if (f < 0) f = -f; 1350 1351 1352 /* 1353 * Leading fractional zeroes. 1354 */ 1355 f *= 10.0; 1356 while ( (f != 0) 1357 && ((INTN)f == 0)) 1358 { 1359 Buffer[x] = L'0'; 1360 x++; 1361 f *= 10.0; 1362 } 1363 1364 1365 /* 1366 * Fractional digits. 1367 */ 1368 while ((float)(INTN)f != f) 1369 { 1370 f *= 10; 1371 } 1372 ValueToString(Buffer + x, FALSE, (INTN)f); 1373 return; 1374 } 1375 1376 VOID 1377 TimeToString ( 1378 OUT CHAR16 *Buffer, 1379 IN EFI_TIME *Time 1380 ) 1381 { 1382 UINTN Hour, Year; 1383 CHAR16 AmPm; 1384 1385 AmPm = 'a'; 1386 Hour = Time->Hour; 1387 if (Time->Hour == 0) { 1388 Hour = 12; 1389 } else if (Time->Hour >= 12) { 1390 AmPm = 'p'; 1391 if (Time->Hour >= 13) { 1392 Hour -= 12; 1393 } 1394 } 1395 1396 Year = Time->Year % 100; 1397 1398 // bugbug: for now just print it any old way 1399 SPrint (Buffer, 0, L"%02d/%02d/%02d %02d:%02d%c", 1400 Time->Month, 1401 Time->Day, 1402 Year, 1403 Hour, 1404 Time->Minute, 1405 AmPm 1406 ); 1407 } 1408 1409 1410 1411 1412 VOID 1413 DumpHex ( 1414 IN UINTN Indent, 1415 IN UINTN Offset, 1416 IN UINTN DataSize, 1417 IN VOID *UserData 1418 ) 1419 { 1420 CHAR8 *Data, Val[50], Str[20], c; 1421 UINTN Size, Index; 1422 1423 UINTN ScreenCount; 1424 UINTN TempColumn; 1425 UINTN ScreenSize; 1426 CHAR16 ReturnStr[1]; 1427 1428 1429 uefi_call_wrapper(ST->ConOut->QueryMode, 4, ST->ConOut, ST->ConOut->Mode->Mode, &TempColumn, &ScreenSize); 1430 ScreenCount = 0; 1431 ScreenSize -= 2; 1432 1433 Data = UserData; 1434 while (DataSize) { 1435 Size = 16; 1436 if (Size > DataSize) { 1437 Size = DataSize; 1438 } 1439 1440 for (Index=0; Index < Size; Index += 1) { 1441 c = Data[Index]; 1442 Val[Index*3+0] = Hex[c>>4]; 1443 Val[Index*3+1] = Hex[c&0xF]; 1444 Val[Index*3+2] = (Index == 7)?'-':' '; 1445 Str[Index] = (c < ' ' || c > 'z') ? '.' : c; 1446 } 1447 1448 Val[Index*3] = 0; 1449 Str[Index] = 0; 1450 Print (L"%*a%X: %-.48a *%a*\n", Indent, "", Offset, Val, Str); 1451 1452 Data += Size; 1453 Offset += Size; 1454 DataSize -= Size; 1455 1456 ScreenCount++; 1457 if (ScreenCount >= ScreenSize && ScreenSize != 0) { 1458 // 1459 // If ScreenSize == 0 we have the console redirected so don't 1460 // block updates 1461 // 1462 ScreenCount = 0; 1463 Print (L"Press Enter to continue :"); 1464 Input (L"", ReturnStr, sizeof(ReturnStr)/sizeof(CHAR16)); 1465 Print (L"\n"); 1466 } 1467 1468 } 1469 } 1470