1 /* $NetBSD: print.c,v 1.4 2019/01/27 04:17:39 oster Exp $ */ 2 3 /*++ 4 5 Copyright (c) 1998 Intel Corporation 6 7 Module Name: 8 9 print.c 10 11 Abstract: 12 13 14 15 16 Revision History 17 18 --*/ 19 20 #include "lib.h" 21 #include "efistdarg.h" // !!! 22 23 // 24 // Declare runtime functions 25 // 26 27 #ifdef RUNTIME_CODE 28 #ifndef __GNUC__ 29 #pragma RUNTIME_CODE(DbgPrint) 30 31 // For debugging.. 32 33 /* 34 #pragma RUNTIME_CODE(_Print) 35 #pragma RUNTIME_CODE(PFLUSH) 36 #pragma RUNTIME_CODE(PSETATTR) 37 #pragma RUNTIME_CODE(PPUTC) 38 #pragma RUNTIME_CODE(PGETC) 39 #pragma RUNTIME_CODE(PITEM) 40 #pragma RUNTIME_CODE(ValueToHex) 41 #pragma RUNTIME_CODE(ValueToString) 42 #pragma RUNTIME_CODE(TimeToString) 43 */ 44 45 #endif /* !defined(__GNUC__) */ 46 #endif 47 48 // 49 // 50 // 51 52 53 #define PRINT_STRING_LEN 200 54 #define PRINT_ITEM_BUFFER_LEN 100 55 56 typedef struct { 57 BOOLEAN Ascii; 58 UINTN Index; 59 union { 60 CONST CHAR16 *pw; 61 CONST CHAR8 *pc; 62 } un; 63 } POINTER; 64 65 #define pw un.pw 66 #define pc un.pc 67 68 typedef struct _pitem { 69 70 POINTER Item; 71 CHAR16 Scratch[PRINT_ITEM_BUFFER_LEN]; 72 UINTN Width; 73 UINTN FieldWidth; 74 UINTN *WidthParse; 75 CHAR16 Pad; 76 BOOLEAN PadBefore; 77 BOOLEAN Comma; 78 BOOLEAN Long; 79 } PRINT_ITEM; 80 81 82 typedef struct _pstate { 83 // Input 84 POINTER fmt; 85 va_list args; 86 87 // Output 88 CHAR16 *Buffer; 89 CHAR16 *End; 90 CHAR16 *Pos; 91 UINTN Len; 92 93 UINTN Attr; 94 UINTN RestoreAttr; 95 96 UINTN AttrNorm; 97 UINTN AttrHighlight; 98 UINTN AttrError; 99 100 INTN (EFIAPI *Output)(VOID *context, CHAR16 *str); 101 INTN (EFIAPI *SetAttr)(VOID *context, UINTN attr); 102 VOID *Context; 103 104 // Current item being formatted 105 struct _pitem *Item; 106 } PRINT_STATE; 107 108 // 109 // Internal fucntions 110 // 111 112 STATIC 113 UINTN 114 _Print ( 115 IN PRINT_STATE *ps 116 ); 117 118 STATIC 119 UINTN 120 _IPrint ( 121 IN UINTN Column, 122 IN UINTN Row, 123 IN SIMPLE_TEXT_OUTPUT_INTERFACE *Out, 124 IN CONST CHAR16 *fmt, 125 IN CONST CHAR8 *fmta, 126 IN va_list args 127 ); 128 129 STATIC 130 INTN EFIAPI 131 _DbgOut ( 132 IN VOID *Context, 133 IN CHAR16 *Buffer 134 ); 135 136 STATIC 137 VOID 138 PFLUSH ( 139 IN OUT PRINT_STATE *ps 140 ); 141 142 STATIC 143 VOID 144 PPUTC ( 145 IN OUT PRINT_STATE *ps, 146 IN CHAR16 c 147 ); 148 149 STATIC 150 VOID 151 PITEM ( 152 IN OUT PRINT_STATE *ps 153 ); 154 155 STATIC 156 CHAR16 157 PGETC ( 158 IN POINTER *p 159 ); 160 161 STATIC 162 VOID 163 PSETATTR ( 164 IN OUT PRINT_STATE *ps, 165 IN UINTN Attr 166 ); 167 168 // 169 // 170 // 171 172 INTN EFIAPI 173 _SPrint ( 174 IN VOID *Context, 175 IN CHAR16 *Buffer 176 ); 177 178 INTN EFIAPI 179 _PoolPrint ( 180 IN VOID *Context, 181 IN CHAR16 *Buffer 182 ); 183 184 INTN 185 DbgPrint ( 186 IN INTN mask, 187 IN CONST CHAR8 *fmt, 188 ... 189 ) 190 /*++ 191 192 Routine Description: 193 194 Prints a formatted unicode string to the default StandardError console 195 196 Arguments: 197 198 mask - Bit mask of debug string. If a bit is set in the 199 mask that is also set in EFIDebug the string is 200 printed; otherwise, the string is not printed 201 202 fmt - Format string 203 204 Returns: 205 206 Length of string printed to the StandardError console 207 208 --*/ 209 { 210 SIMPLE_TEXT_OUTPUT_INTERFACE *DbgOut; 211 PRINT_STATE ps; 212 va_list args; 213 UINTN back; 214 UINTN attr; 215 UINTN SavedAttribute; 216 217 218 if (!(EFIDebug & mask)) { 219 return 0; 220 } 221 222 va_start (args, fmt); 223 ZeroMem (&ps, sizeof(ps)); 224 225 ps.Output = _DbgOut; 226 ps.fmt.Ascii = TRUE; 227 ps.fmt.pc = fmt; 228 va_copy(ps.args, args); 229 ps.Attr = EFI_TEXT_ATTR(EFI_LIGHTGRAY, EFI_RED); 230 231 DbgOut = LibRuntimeDebugOut; 232 233 if (!DbgOut) { 234 DbgOut = ST->StdErr; 235 } 236 237 if (DbgOut) { 238 ps.Attr = DbgOut->Mode->Attribute; 239 ps.Context = DbgOut; 240 ps.SetAttr = (INTN (EFIAPI *)(VOID *, UINTN)) DbgOut->SetAttribute; 241 } 242 243 SavedAttribute = ps.Attr; 244 245 back = (ps.Attr >> 4) & 0xf; 246 ps.AttrNorm = EFI_TEXT_ATTR(EFI_LIGHTGRAY, back); 247 ps.AttrHighlight = EFI_TEXT_ATTR(EFI_WHITE, back); 248 ps.AttrError = EFI_TEXT_ATTR(EFI_YELLOW, back); 249 250 attr = ps.AttrNorm; 251 252 if (mask & D_WARN) { 253 attr = ps.AttrHighlight; 254 } 255 256 if (mask & D_ERROR) { 257 attr = ps.AttrError; 258 } 259 260 if (ps.SetAttr) { 261 ps.Attr = attr; 262 uefi_call_wrapper(ps.SetAttr, 2, ps.Context, attr); 263 } 264 265 _Print (&ps); 266 267 va_end (ps.args); 268 va_end (args); 269 270 // 271 // Restore original attributes 272 // 273 274 if (ps.SetAttr) { 275 uefi_call_wrapper(ps.SetAttr, 2, ps.Context, SavedAttribute); 276 } 277 278 return 0; 279 } 280 281 STATIC 282 INTN 283 IsLocalPrint(void *func) 284 { 285 if (func == _DbgOut || func == _SPrint || func == _PoolPrint) 286 return 1; 287 return 0; 288 } 289 290 STATIC 291 INTN EFIAPI 292 _DbgOut ( 293 IN VOID *Context, 294 IN CHAR16 *Buffer 295 ) 296 // Append string worker for DbgPrint 297 { 298 SIMPLE_TEXT_OUTPUT_INTERFACE *DbgOut; 299 300 DbgOut = Context; 301 // if (!DbgOut && ST && ST->ConOut) { 302 // DbgOut = ST->ConOut; 303 // } 304 305 if (DbgOut) { 306 if (IsLocalPrint(DbgOut->OutputString)) 307 DbgOut->OutputString(DbgOut, Buffer); 308 else 309 uefi_call_wrapper(DbgOut->OutputString, 2, DbgOut, Buffer); 310 } 311 312 return 0; 313 } 314 315 INTN EFIAPI 316 _SPrint ( 317 IN VOID *Context, 318 IN CHAR16 *Buffer 319 ) 320 // Append string worker for SPrint, PoolPrint and CatPrint 321 { 322 UINTN len; 323 POOL_PRINT *spc; 324 325 spc = Context; 326 len = StrLen(Buffer); 327 328 // 329 // Is the string is over the max truncate it 330 // 331 332 if (spc->len + len > spc->maxlen) { 333 len = spc->maxlen - spc->len; 334 } 335 336 // 337 // Append the new text 338 // 339 340 CopyMem (spc->str + spc->len, Buffer, len * sizeof(CHAR16)); 341 spc->len += len; 342 343 // 344 // Null terminate it 345 // 346 347 if (spc->len < spc->maxlen) { 348 spc->str[spc->len] = 0; 349 } else if (spc->maxlen) { 350 spc->str[spc->maxlen] = 0; 351 } 352 353 return 0; 354 } 355 356 357 INTN EFIAPI 358 _PoolPrint ( 359 IN VOID *Context, 360 IN CHAR16 *Buffer 361 ) 362 // Append string worker for PoolPrint and CatPrint 363 { 364 UINTN newlen; 365 POOL_PRINT *spc; 366 367 spc = Context; 368 newlen = spc->len + StrLen(Buffer) + 1; 369 370 // 371 // Is the string is over the max, grow the buffer 372 // 373 374 if (newlen > spc->maxlen) { 375 376 // 377 // Grow the pool buffer 378 // 379 380 newlen += PRINT_STRING_LEN; 381 spc->maxlen = newlen; 382 spc->str = ReallocatePool ( 383 spc->str, 384 spc->len * sizeof(CHAR16), 385 spc->maxlen * sizeof(CHAR16) 386 ); 387 388 if (!spc->str) { 389 spc->len = 0; 390 spc->maxlen = 0; 391 } 392 } 393 394 // 395 // Append the new text 396 // 397 398 return _SPrint (Context, Buffer); 399 } 400 401 402 403 VOID 404 _PoolCatPrint ( 405 IN CONST CHAR16 *fmt, 406 IN va_list args, 407 IN OUT POOL_PRINT *spc, 408 IN INTN (EFIAPI *Output)(VOID *context, CHAR16 *str) 409 ) 410 // Dispath function for SPrint, PoolPrint, and CatPrint 411 { 412 PRINT_STATE ps; 413 414 ZeroMem (&ps, sizeof(ps)); 415 ps.Output = Output; 416 ps.Context = spc; 417 ps.fmt.pw = fmt; 418 va_copy(ps.args, args); 419 _Print (&ps); 420 va_end(ps.args); 421 } 422 423 424 425 UINTN 426 VSPrint ( 427 OUT CHAR16 *Str, 428 IN UINTN StrSize, 429 IN CONST CHAR16 *fmt, 430 va_list args 431 ) 432 /*++ 433 434 Routine Description: 435 436 Prints a formatted unicode string to a buffer using a va_list 437 438 Arguments: 439 440 Str - Output buffer to print the formatted string into 441 442 StrSize - Size of Str. String is truncated to this size. 443 A size of 0 means there is no limit 444 445 fmt - The format string 446 447 args - va_list 448 449 450 Returns: 451 452 String length returned in buffer 453 454 --*/ 455 { 456 POOL_PRINT spc; 457 458 spc.str = Str; 459 spc.maxlen = StrSize / sizeof(CHAR16) - 1; 460 spc.len = 0; 461 462 _PoolCatPrint (fmt, args, &spc, _SPrint); 463 464 return spc.len; 465 } 466 467 UINTN 468 SPrint ( 469 OUT CHAR16 *Str, 470 IN UINTN StrSize, 471 IN CONST CHAR16 *fmt, 472 ... 473 ) 474 /*++ 475 476 Routine Description: 477 478 Prints a formatted unicode string to a buffer 479 480 Arguments: 481 482 Str - Output buffer to print the formatted string into 483 484 StrSize - Size of Str. String is truncated to this size. 485 A size of 0 means there is no limit 486 487 fmt - The format string 488 489 Returns: 490 491 String length returned in buffer 492 493 --*/ 494 { 495 va_list args; 496 UINTN len; 497 498 va_start (args, fmt); 499 len = VSPrint(Str, StrSize, fmt, args); 500 va_end (args); 501 502 return len; 503 } 504 505 CHAR16 * 506 VPoolPrint ( 507 IN CONST CHAR16 *fmt, 508 va_list args 509 ) 510 /*++ 511 512 Routine Description: 513 514 Prints a formatted unicode string to allocated pool using va_list argument. 515 The caller must free the resulting buffer. 516 517 Arguments: 518 519 fmt - The format string 520 args - The arguments in va_list form 521 522 Returns: 523 524 Allocated buffer with the formatted string printed in it. 525 The caller must free the allocated buffer. The buffer 526 allocation is not packed. 527 528 --*/ 529 { 530 POOL_PRINT spc; 531 ZeroMem (&spc, sizeof(spc)); 532 _PoolCatPrint (fmt, args, &spc, _PoolPrint); 533 return spc.str; 534 } 535 536 CHAR16 * 537 PoolPrint ( 538 IN CONST CHAR16 *fmt, 539 ... 540 ) 541 /*++ 542 543 Routine Description: 544 545 Prints a formatted unicode string to allocated pool. The caller 546 must free the resulting buffer. 547 548 Arguments: 549 550 fmt - The format string 551 552 Returns: 553 554 Allocated buffer with the formatted string printed in it. 555 The caller must free the allocated buffer. The buffer 556 allocation is not packed. 557 558 --*/ 559 { 560 va_list args; 561 CHAR16 *pool; 562 va_start (args, fmt); 563 pool = VPoolPrint(fmt, args); 564 va_end (args); 565 return pool; 566 } 567 568 CHAR16 * 569 CatPrint ( 570 IN OUT POOL_PRINT *Str, 571 IN CONST CHAR16 *fmt, 572 ... 573 ) 574 /*++ 575 576 Routine Description: 577 578 Concatenates a formatted unicode string to allocated pool. 579 The caller must free the resulting buffer. 580 581 Arguments: 582 583 Str - Tracks the allocated pool, size in use, and 584 amount of pool allocated. 585 586 fmt - The format string 587 588 Returns: 589 590 Allocated buffer with the formatted string printed in it. 591 The caller must free the allocated buffer. The buffer 592 allocation is not packed. 593 594 --*/ 595 { 596 va_list args; 597 598 va_start (args, fmt); 599 _PoolCatPrint (fmt, args, Str, _PoolPrint); 600 va_end (args); 601 return Str->str; 602 } 603 604 605 606 UINTN 607 Print ( 608 IN CONST CHAR16 *fmt, 609 ... 610 ) 611 /*++ 612 613 Routine Description: 614 615 Prints a formatted unicode string to the default console 616 617 Arguments: 618 619 fmt - Format string 620 621 Returns: 622 623 Length of string printed to the console 624 625 --*/ 626 { 627 va_list args; 628 UINTN back; 629 630 va_start (args, fmt); 631 back = _IPrint ((UINTN) -1, (UINTN) -1, ST->ConOut, fmt, NULL, args); 632 va_end (args); 633 return back; 634 } 635 636 UINTN 637 VPrint ( 638 IN CONST CHAR16 *fmt, 639 va_list args 640 ) 641 /*++ 642 643 Routine Description: 644 645 Prints a formatted unicode string to the default console using a va_list 646 647 Arguments: 648 649 fmt - Format string 650 args - va_list 651 Returns: 652 653 Length of string printed to the console 654 655 --*/ 656 { 657 return _IPrint ((UINTN) -1, (UINTN) -1, ST->ConOut, fmt, NULL, args); 658 } 659 660 661 UINTN 662 PrintAt ( 663 IN UINTN Column, 664 IN UINTN Row, 665 IN CONST CHAR16 *fmt, 666 ... 667 ) 668 /*++ 669 670 Routine Description: 671 672 Prints a formatted unicode string to the default console, at 673 the supplied cursor position 674 675 Arguments: 676 677 Column, Row - The cursor position to print the string at 678 679 fmt - Format string 680 681 Returns: 682 683 Length of string printed to the console 684 685 --*/ 686 { 687 va_list args; 688 UINTN back; 689 690 va_start (args, fmt); 691 back = _IPrint (Column, Row, ST->ConOut, fmt, NULL, args); 692 va_end (args); 693 return back; 694 } 695 696 697 UINTN 698 IPrint ( 699 IN SIMPLE_TEXT_OUTPUT_INTERFACE *Out, 700 IN CONST CHAR16 *fmt, 701 ... 702 ) 703 /*++ 704 705 Routine Description: 706 707 Prints a formatted unicode string to the specified console 708 709 Arguments: 710 711 Out - The console to print the string too 712 713 fmt - Format string 714 715 Returns: 716 717 Length of string printed to the console 718 719 --*/ 720 { 721 va_list args; 722 UINTN back; 723 724 va_start (args, fmt); 725 back = _IPrint ((UINTN) -1, (UINTN) -1, Out, fmt, NULL, args); 726 va_end (args); 727 return back; 728 } 729 730 731 UINTN 732 IPrintAt ( 733 IN SIMPLE_TEXT_OUTPUT_INTERFACE *Out, 734 IN UINTN Column, 735 IN UINTN Row, 736 IN CONST CHAR16 *fmt, 737 ... 738 ) 739 /*++ 740 741 Routine Description: 742 743 Prints a formatted unicode string to the specified console, at 744 the supplied cursor position 745 746 Arguments: 747 748 Out - The console to print the string to 749 750 Column, Row - The cursor position to print the string at 751 752 fmt - Format string 753 754 Returns: 755 756 Length of string printed to the console 757 758 --*/ 759 { 760 va_list args; 761 UINTN back; 762 763 va_start (args, fmt); 764 back = _IPrint (Column, Row, Out, fmt, NULL, args); 765 va_end (args); 766 return back; 767 } 768 769 770 UINTN 771 _IPrint ( 772 IN UINTN Column, 773 IN UINTN Row, 774 IN SIMPLE_TEXT_OUTPUT_INTERFACE *Out, 775 IN CONST CHAR16 *fmt, 776 IN CONST CHAR8 *fmta, 777 IN va_list args 778 ) 779 // Display string worker for: Print, PrintAt, IPrint, IPrintAt 780 { 781 PRINT_STATE ps; 782 UINTN back; 783 784 ZeroMem (&ps, sizeof(ps)); 785 ps.Context = Out; 786 ps.Output = (INTN (EFIAPI *)(VOID *, CHAR16 *)) Out->OutputString; 787 ps.SetAttr = (INTN (EFIAPI *)(VOID *, UINTN)) Out->SetAttribute; 788 ps.Attr = Out->Mode->Attribute; 789 790 back = (ps.Attr >> 4) & 0xF; 791 ps.AttrNorm = EFI_TEXT_ATTR(EFI_LIGHTGRAY, back); 792 ps.AttrHighlight = EFI_TEXT_ATTR(EFI_WHITE, back); 793 ps.AttrError = EFI_TEXT_ATTR(EFI_YELLOW, back); 794 795 if (fmt) { 796 ps.fmt.pw = fmt; 797 } else { 798 ps.fmt.Ascii = TRUE; 799 ps.fmt.pc = fmta; 800 } 801 802 va_copy(ps.args, args); 803 804 if (Column != (UINTN) -1) { 805 uefi_call_wrapper(Out->SetCursorPosition, 3, Out, Column, Row); 806 } 807 808 back = _Print (&ps); 809 va_end(ps.args); 810 return back; 811 } 812 813 814 UINTN 815 APrint ( 816 IN CONST CHAR8 *fmt, 817 ... 818 ) 819 /*++ 820 821 Routine Description: 822 823 For those whom really can't deal with unicode, a print 824 function that takes an ascii format string 825 826 Arguments: 827 828 fmt - ascii format string 829 830 Returns: 831 832 Length of string printed to the console 833 834 --*/ 835 836 { 837 va_list args; 838 UINTN back; 839 840 va_start (args, fmt); 841 back = _IPrint ((UINTN) -1, (UINTN) -1, ST->ConOut, NULL, fmt, args); 842 va_end (args); 843 return back; 844 } 845 846 847 STATIC 848 VOID 849 PFLUSH ( 850 IN OUT PRINT_STATE *ps 851 ) 852 { 853 *ps->Pos = 0; 854 if (IsLocalPrint(ps->Output)) 855 ps->Output(ps->Context, ps->Buffer); 856 else 857 uefi_call_wrapper(ps->Output, 2, ps->Context, ps->Buffer); 858 ps->Pos = ps->Buffer; 859 } 860 861 STATIC 862 VOID 863 PSETATTR ( 864 IN OUT PRINT_STATE *ps, 865 IN UINTN Attr 866 ) 867 { 868 PFLUSH (ps); 869 870 ps->RestoreAttr = ps->Attr; 871 if (ps->SetAttr) { 872 uefi_call_wrapper(ps->SetAttr, 2, ps->Context, Attr); 873 } 874 875 ps->Attr = Attr; 876 } 877 878 STATIC 879 VOID 880 PPUTC ( 881 IN OUT PRINT_STATE *ps, 882 IN CHAR16 c 883 ) 884 { 885 // if this is a newline, add a carraige return 886 if (c == '\n') { 887 PPUTC (ps, '\r'); 888 } 889 890 *ps->Pos = c; 891 ps->Pos += 1; 892 ps->Len += 1; 893 894 // if at the end of the buffer, flush it 895 if (ps->Pos >= ps->End) { 896 PFLUSH(ps); 897 } 898 } 899 900 901 STATIC 902 CHAR16 903 PGETC ( 904 IN POINTER *p 905 ) 906 { 907 CHAR16 c; 908 909 c = p->Ascii ? p->pc[p->Index] : p->pw[p->Index]; 910 p->Index += 1; 911 912 return c; 913 } 914 915 916 STATIC 917 VOID 918 PITEM ( 919 IN OUT PRINT_STATE *ps 920 ) 921 { 922 UINTN Len, i; 923 PRINT_ITEM *Item; 924 CHAR16 c; 925 926 // Get the length of the item 927 Item = ps->Item; 928 Item->Item.Index = 0; 929 while (Item->Item.Index < Item->FieldWidth) { 930 c = PGETC(&Item->Item); 931 if (!c) { 932 Item->Item.Index -= 1; 933 break; 934 } 935 } 936 Len = Item->Item.Index; 937 938 // if there is no item field width, use the items width 939 if (Item->FieldWidth == (UINTN) -1) { 940 Item->FieldWidth = Len; 941 } 942 943 // if item is larger then width, update width 944 if (Len > Item->Width) { 945 Item->Width = Len; 946 } 947 948 949 // if pad field before, add pad char 950 if (Item->PadBefore) { 951 for (i=Item->Width; i < Item->FieldWidth; i+=1) { 952 PPUTC (ps, ' '); 953 } 954 } 955 956 // pad item 957 for (i=Len; i < Item->Width; i++) { 958 PPUTC (ps, Item->Pad); 959 } 960 961 // add the item 962 Item->Item.Index=0; 963 while (Item->Item.Index < Len) { 964 PPUTC (ps, PGETC(&Item->Item)); 965 } 966 967 // If pad at the end, add pad char 968 if (!Item->PadBefore) { 969 for (i=Item->Width; i < Item->FieldWidth; i+=1) { 970 PPUTC (ps, ' '); 971 } 972 } 973 } 974 975 976 STATIC 977 UINTN 978 _Print ( 979 IN PRINT_STATE *ps 980 ) 981 /*++ 982 983 Routine Description: 984 985 %w.lF - w = width 986 l = field width 987 F = format of arg 988 989 Args F: 990 0 - pad with zeros 991 - - justify on left (default is on right) 992 , - add comma's to field 993 * - width provided on stack 994 n - Set output attribute to normal (for this field only) 995 h - Set output attribute to highlight (for this field only) 996 e - Set output attribute to error (for this field only) 997 l - Value is 64 bits 998 999 a - ascii string 1000 s - unicode string 1001 X - fixed 8 byte value in hex 1002 x - hex value 1003 d - value as signed decimal 1004 u - value as unsigned decimal 1005 f - value as floating point 1006 c - Unicode char 1007 t - EFI time structure 1008 g - Pointer to GUID 1009 r - EFI status code (result code) 1010 D - pointer to Device Path with normal ending. 1011 1012 N - Set output attribute to normal 1013 H - Set output attribute to highlight 1014 E - Set output attribute to error 1015 % - Print a % 1016 1017 Arguments: 1018 1019 SystemTable - The system table 1020 1021 Returns: 1022 1023 Number of charactors written 1024 1025 --*/ 1026 { 1027 CHAR16 c; 1028 UINTN Attr; 1029 PRINT_ITEM Item; 1030 CHAR16 Buffer[PRINT_STRING_LEN]; 1031 1032 ps->Len = 0; 1033 ps->Buffer = Buffer; 1034 ps->Pos = Buffer; 1035 ps->End = Buffer + PRINT_STRING_LEN - 1; 1036 ps->Item = &Item; 1037 1038 ps->fmt.Index = 0; 1039 while ((c = PGETC(&ps->fmt))) { 1040 1041 if (c != '%') { 1042 PPUTC ( ps, c ); 1043 continue; 1044 } 1045 1046 // setup for new item 1047 Item.FieldWidth = (UINTN) -1; 1048 Item.Width = 0; 1049 Item.WidthParse = &Item.Width; 1050 Item.Pad = ' '; 1051 Item.PadBefore = TRUE; 1052 Item.Comma = FALSE; 1053 Item.Long = FALSE; 1054 Item.Item.Ascii = FALSE; 1055 Item.Item.pw = NULL; 1056 ps->RestoreAttr = 0; 1057 Attr = 0; 1058 1059 while ((c = PGETC(&ps->fmt))) { 1060 1061 switch (c) { 1062 1063 case '%': 1064 // 1065 // %% -> % 1066 // 1067 Item.Scratch[0] = '%'; 1068 Item.Scratch[1] = 0; 1069 Item.Item.pw = Item.Scratch; 1070 break; 1071 1072 case '0': 1073 Item.Pad = '0'; 1074 break; 1075 1076 case '-': 1077 Item.PadBefore = FALSE; 1078 break; 1079 1080 case ',': 1081 Item.Comma = TRUE; 1082 break; 1083 1084 case '.': 1085 Item.WidthParse = &Item.FieldWidth; 1086 break; 1087 1088 case '*': 1089 *Item.WidthParse = va_arg(ps->args, UINTN); 1090 break; 1091 1092 case '1': 1093 case '2': 1094 case '3': 1095 case '4': 1096 case '5': 1097 case '6': 1098 case '7': 1099 case '8': 1100 case '9': 1101 *Item.WidthParse = 0; 1102 do { 1103 *Item.WidthParse = *Item.WidthParse * 10 + c - '0'; 1104 c = PGETC(&ps->fmt); 1105 } while (c >= '0' && c <= '9') ; 1106 ps->fmt.Index -= 1; 1107 break; 1108 1109 case 'a': 1110 Item.Item.pc = va_arg(ps->args, CHAR8 *); 1111 Item.Item.Ascii = TRUE; 1112 if (!Item.Item.pc) { 1113 Item.Item.pc = (CHAR8 *)"(null)"; 1114 } 1115 break; 1116 1117 case 's': 1118 Item.Item.pw = va_arg(ps->args, CHAR16 *); 1119 if (!Item.Item.pw) { 1120 Item.Item.pw = L"(null)"; 1121 } 1122 break; 1123 1124 case 'c': 1125 Item.Scratch[0] = (CHAR16) va_arg(ps->args, UINTN); 1126 Item.Scratch[1] = 0; 1127 Item.Item.pw = Item.Scratch; 1128 break; 1129 1130 case 'l': 1131 Item.Long = TRUE; 1132 break; 1133 1134 case 'X': 1135 Item.Width = Item.Long ? 16 : 8; 1136 Item.Pad = '0'; 1137 #if __GNUC__ >= 7 1138 __attribute__ ((fallthrough)); 1139 #endif 1140 case 'x': 1141 ValueToHex ( 1142 Item.Scratch, 1143 Item.Long ? va_arg(ps->args, UINT64) : va_arg(ps->args, UINT32) 1144 ); 1145 Item.Item.pw = Item.Scratch; 1146 1147 break; 1148 1149 1150 case 'g': 1151 GuidToString (Item.Scratch, va_arg(ps->args, EFI_GUID *)); 1152 Item.Item.pw = Item.Scratch; 1153 break; 1154 1155 case 'u': 1156 ValueToString ( 1157 Item.Scratch, 1158 Item.Comma, 1159 Item.Long ? va_arg(ps->args, UINT64) : va_arg(ps->args, UINT32) 1160 ); 1161 Item.Item.pw = Item.Scratch; 1162 break; 1163 1164 case 'd': 1165 ValueToString ( 1166 Item.Scratch, 1167 Item.Comma, 1168 Item.Long ? va_arg(ps->args, INT64) : va_arg(ps->args, INT32) 1169 ); 1170 Item.Item.pw = Item.Scratch; 1171 break; 1172 1173 case 'D': 1174 { 1175 EFI_DEVICE_PATH *dp = va_arg(ps->args, EFI_DEVICE_PATH *); 1176 CHAR16 *dpstr = DevicePathToStr(dp); 1177 StrnCpy(Item.Scratch, dpstr, PRINT_ITEM_BUFFER_LEN); 1178 Item.Scratch[PRINT_ITEM_BUFFER_LEN-1] = L'\0'; 1179 FreePool(dpstr); 1180 1181 Item.Item.pw = Item.Scratch; 1182 break; 1183 } 1184 1185 #ifndef __NetBSD__ 1186 case 'f': 1187 FloatToString ( 1188 Item.Scratch, 1189 Item.Comma, 1190 va_arg(ps->args, double) 1191 ); 1192 Item.Item.pw = Item.Scratch; 1193 break; 1194 #endif 1195 1196 case 't': 1197 TimeToString (Item.Scratch, va_arg(ps->args, EFI_TIME *)); 1198 Item.Item.pw = Item.Scratch; 1199 break; 1200 1201 case 'r': 1202 StatusToString (Item.Scratch, va_arg(ps->args, EFI_STATUS)); 1203 Item.Item.pw = Item.Scratch; 1204 break; 1205 1206 case 'n': 1207 PSETATTR(ps, ps->AttrNorm); 1208 break; 1209 1210 case 'h': 1211 PSETATTR(ps, ps->AttrHighlight); 1212 break; 1213 1214 case 'e': 1215 PSETATTR(ps, ps->AttrError); 1216 break; 1217 1218 case 'N': 1219 Attr = ps->AttrNorm; 1220 break; 1221 1222 case 'H': 1223 Attr = ps->AttrHighlight; 1224 break; 1225 1226 case 'E': 1227 Attr = ps->AttrError; 1228 break; 1229 1230 default: 1231 Item.Scratch[0] = '?'; 1232 Item.Scratch[1] = 0; 1233 Item.Item.pw = Item.Scratch; 1234 break; 1235 } 1236 1237 // if we have an Item 1238 if (Item.Item.pw) { 1239 PITEM (ps); 1240 break; 1241 } 1242 1243 // if we have an Attr set 1244 if (Attr) { 1245 PSETATTR(ps, Attr); 1246 ps->RestoreAttr = 0; 1247 break; 1248 } 1249 } 1250 1251 if (ps->RestoreAttr) { 1252 PSETATTR(ps, ps->RestoreAttr); 1253 } 1254 } 1255 1256 // Flush buffer 1257 PFLUSH (ps); 1258 return ps->Len; 1259 } 1260 1261 STATIC CHAR8 Hex[] = {'0','1','2','3','4','5','6','7', 1262 '8','9','A','B','C','D','E','F'}; 1263 1264 VOID 1265 ValueToHex ( 1266 IN CHAR16 *Buffer, 1267 IN UINT64 v 1268 ) 1269 { 1270 CHAR8 str[30], *p1; 1271 CHAR16 *p2; 1272 1273 if (!v) { 1274 Buffer[0] = '0'; 1275 Buffer[1] = 0; 1276 return ; 1277 } 1278 1279 p1 = str; 1280 p2 = Buffer; 1281 1282 while (v) { 1283 // Without the cast, the MSVC compiler may insert a reference to __allmull 1284 *(p1++) = Hex[(UINTN)(v & 0xf)]; 1285 v = RShiftU64 (v, 4); 1286 } 1287 1288 while (p1 != str) { 1289 *(p2++) = *(--p1); 1290 } 1291 *p2 = 0; 1292 } 1293 1294 1295 VOID 1296 ValueToString ( 1297 IN CHAR16 *Buffer, 1298 IN BOOLEAN Comma, 1299 IN INT64 v 1300 ) 1301 { 1302 STATIC CHAR8 ca[] = { 3, 1, 2 }; 1303 CHAR8 str[40], *p1; 1304 CHAR16 *p2; 1305 UINTN c, r; 1306 1307 if (!v) { 1308 Buffer[0] = '0'; 1309 Buffer[1] = 0; 1310 return ; 1311 } 1312 1313 p1 = str; 1314 p2 = Buffer; 1315 1316 if (v < 0) { 1317 *(p2++) = '-'; 1318 v = -v; 1319 } 1320 1321 while (v) { 1322 v = (INT64)DivU64x32 ((UINT64)v, 10, &r); 1323 *(p1++) = (CHAR8)r + '0'; 1324 } 1325 1326 c = (Comma ? ca[(p1 - str) % 3] : 999) + 1; 1327 while (p1 != str) { 1328 1329 c -= 1; 1330 if (!c) { 1331 *(p2++) = ','; 1332 c = 3; 1333 } 1334 1335 *(p2++) = *(--p1); 1336 } 1337 *p2 = 0; 1338 } 1339 1340 #ifndef __NetBSD__ 1341 VOID 1342 FloatToString ( 1343 IN CHAR16 *Buffer, 1344 IN BOOLEAN Comma, 1345 IN double v 1346 ) 1347 { 1348 /* 1349 * Integer part. 1350 */ 1351 INTN i = (INTN)v; 1352 ValueToString(Buffer, Comma, i); 1353 1354 1355 /* 1356 * Decimal point. 1357 */ 1358 UINTN x = StrLen(Buffer); 1359 Buffer[x] = L'.'; 1360 x++; 1361 1362 1363 /* 1364 * Keep fractional part. 1365 */ 1366 float f = (float)(v - i); 1367 if (f < 0) f = -f; 1368 1369 1370 /* 1371 * Leading fractional zeroes. 1372 */ 1373 f *= 10.0; 1374 while ( (f != 0) 1375 && ((INTN)f == 0)) 1376 { 1377 Buffer[x] = L'0'; 1378 x++; 1379 f *= 10.0; 1380 } 1381 1382 1383 /* 1384 * Fractional digits. 1385 */ 1386 while ((float)(INTN)f != f) 1387 { 1388 f *= 10; 1389 } 1390 ValueToString(Buffer + x, FALSE, (INTN)f); 1391 return; 1392 } 1393 #endif 1394 1395 VOID 1396 TimeToString ( 1397 OUT CHAR16 *Buffer, 1398 IN EFI_TIME *Time 1399 ) 1400 { 1401 UINTN Hour, Year; 1402 CHAR16 AmPm; 1403 1404 AmPm = 'a'; 1405 Hour = Time->Hour; 1406 if (Time->Hour == 0) { 1407 Hour = 12; 1408 } else if (Time->Hour >= 12) { 1409 AmPm = 'p'; 1410 if (Time->Hour >= 13) { 1411 Hour -= 12; 1412 } 1413 } 1414 1415 Year = Time->Year % 100; 1416 1417 // bugbug: for now just print it any old way 1418 SPrint (Buffer, 0, L"%02d/%02d/%02d %02d:%02d%c", 1419 Time->Month, 1420 Time->Day, 1421 Year, 1422 Hour, 1423 Time->Minute, 1424 AmPm 1425 ); 1426 } 1427 1428 1429 1430 1431 VOID 1432 DumpHex ( 1433 IN UINTN Indent, 1434 IN UINTN Offset, 1435 IN UINTN DataSize, 1436 IN VOID *UserData 1437 ) 1438 { 1439 CHAR8 *Data, Val[50], Str[20], c; 1440 UINTN Size, Index; 1441 1442 UINTN ScreenCount; 1443 UINTN TempColumn; 1444 UINTN ScreenSize; 1445 CHAR16 ReturnStr[1]; 1446 1447 1448 uefi_call_wrapper(ST->ConOut->QueryMode, 4, ST->ConOut, ST->ConOut->Mode->Mode, &TempColumn, &ScreenSize); 1449 ScreenCount = 0; 1450 ScreenSize -= 2; 1451 1452 Data = UserData; 1453 while (DataSize) { 1454 Size = 16; 1455 if (Size > DataSize) { 1456 Size = DataSize; 1457 } 1458 1459 for (Index=0; Index < Size; Index += 1) { 1460 c = Data[Index]; 1461 Val[Index*3+0] = Hex[c>>4]; 1462 Val[Index*3+1] = Hex[c&0xF]; 1463 Val[Index*3+2] = (Index == 7)?'-':' '; 1464 Str[Index] = (c < ' ' || c > 'z') ? '.' : c; 1465 } 1466 1467 Val[Index*3] = 0; 1468 Str[Index] = 0; 1469 Print (L"%*a%X: %-.48a *%a*\n", Indent, "", Offset, Val, Str); 1470 1471 Data += Size; 1472 Offset += Size; 1473 DataSize -= Size; 1474 1475 ScreenCount++; 1476 if (ScreenCount >= ScreenSize && ScreenSize != 0) { 1477 // 1478 // If ScreenSize == 0 we have the console redirected so don't 1479 // block updates 1480 // 1481 ScreenCount = 0; 1482 Print (L"Press Enter to continue :"); 1483 Input (L"", ReturnStr, sizeof(ReturnStr)/sizeof(CHAR16)); 1484 Print (L"\n"); 1485 } 1486 1487 } 1488 } 1489