compiler/include/aros/printertag.h

   1 /*
   2  * Copyright (C) 2012, The AROS Development Team.  All rights reserved.
   3  * Author: Jason S. McMullan <jason.mcmullan@gmail.com>
   4  *
   5  * Licensed under the AROS PUBLIC LICENSE (APL) Version 1.1
   6  */
   7
   8 #ifndef AROS_PRINTERTAG_H
   9 #define AROS_PRINTERTAG_H
  10
  11 #include <devices/prtbase.h>
  12
  13 /* .text tag that helps identify this as a printer driver.
  14  *       by convention, this is a 'return' instruction
  15  */
  16 #ifdef __mc68000
  17 #define AROS_PRINTER_MAGIC   0x70004e75      /* m68k's moveq #0,%d0, rts */
  18 #elif defined(__i386__)
  19 #define AROS_PRINTER_MAGIC   0x90c3c031      /* xor %eax,%eax, ret, nop */
  20 #elif defined(__x86_64__)
  21 #define AROS_PRINTER_MAGIC   0xccc3c031      /* xor %eax,%eax, retq, int3 */
  22 #elif defined(__arm__)
  23 #define AROS_PRINTER_MAGIC   0xe12fff1e      /* bx lr */
  24 #elif defined(__ppc__)
  25 #define AROS_PRINTER_MAGIC   0x4e800020      /* blr */
  26 #else
  27 #error AROS_PRINTER_MAGIC is not defined for your architecture
  28 #endif
  29
  30 #define AROS_PRINTER_TAG(PED, version, revision, ped...) \
  31     __section(".tag.printer") __used static struct {     \
  32         ULONG pmh_Magic;                                 \
  33         UWORD pmh_Version;                               \
  34         UWORD pmh_Revision;                              \
  35         struct PrinterExtendedData pmh_PED;              \
  36     } __pmh = {                                          \
  37         .pmh_Magic = AROS_PRINTER_MAGIC,                 \
  38         .pmh_Version = (version),                        \
  39         .pmh_Revision = (revision),                      \
  40         .pmh_PED = { ped } };                            \
  41     struct PrinterExtendedData *PED = &__pmh.pmh_PED;
  42
  43 /* 'status' codes sent to the ped_Render() routine
  44  */
  45
  46 /* PRS_INIT - Initialize page for printing
  47  *
  48  * ct - pointer to IODRPReq
  49  * x  - width in pixels
  50  * y  - height in pixels
  51  */
  52 #define PRS_INIT                0
  53
  54 /* PRS_TRANSFER - Render page row
  55  *
  56  * ct - pointer to PrtInfo
  57  * x  - 0
  58  * y  - row # (0 to height-1)
  59  */
  60 #define PRS_TRANSFER            1
  61
  62 /* PRS_FLUSH - Send data to the printer
  63  * ct - 0
  64  * x  - 0
  65  * y  - # of rows to send (1 to NumRows)
  66  */
  67 #define PRS_FLUSH               2
  68
  69 /* PRS_CLEAR - Clear and Init buffer
  70  * ct - 0
  71  * x  - 0
  72  * y  - 0
  73  */
  74 #define PRS_CLEAR               3
  75
  76 /* PRS_CLOSE - Close down graphics operation,
  77  *             and go back to text mode
  78  * ct - Error code
  79  * x  - io_Special flag from IODRPReq
  80  * y  - 0
  81  */
  82 #define PRS_CLOSE               4
  83
  84 /* PRS_PREINIT - Pre-Master initialization
  85  * ct - NULL or pointer to IODRPReq
  86  * x  - io_Special flag from IODRPReq
  87  * y  - 0
  88  */
  89 #define PRS_PREINIT             5
  90
  91 /* PRS_UNKNOWN - Something that AOS 3.9 sends, unknown?
  92  * ct - 0
  93  * x  - 0
  94  * y  - 0
  95  */
  96 #define PRS_UNKNOWN             7
  97
  98 /* PRS_CONVERT - Transfer colormap/BGR line to printer
  99  * ct - UBYTE * to an array of entries
 100  * x  - # of entries in the array
 101  * y  - 0 if ct is a union colorEntry *, 1 if ct is a BGR pixel line
 102  */
 103 #define PRS_CONVERT             8
 104
 105 /* PRS_CORRECT - Color correct a colormap/BGR line
 106  * ct - UBYTE * to an array of entries
 107  * x  - # of entries in the array
 108  * y  - 0 if ct is a union colorEntry *, 1 if ct is a BGR pixel line
 109  */
 110 #define PRS_CORRECT             9
 111
 112
 113 #endif /* AROS_PRINTERTAG_H */