boot/armllb/fw.c

   1 /*
   2  * PROJECT:         ReactOS Boot Loader
   3  * LICENSE:         BSD - See COPYING.ARM in the top level directory
   4  * FILE:            boot/armllb/fw.c
   5  * PURPOSE:         LLB Firmware Routines (accessible by OS Loader)
   6  * PROGRAMMERS:     ReactOS Portable Systems Group
   7  */
   8
   9 #include "precomp.h"
  10
  11 USHORT ColorPalette[16][3] =
  12 {
  13     {0x00, 0x00, 0x00},
  14     {0x00, 0x00, 0xAA},
  15     {0x00, 0xAA, 0x00},
  16     {0x00, 0xAA, 0xAA},
  17     {0xAA, 0x00, 0x00},
  18     {0xAA, 0x00, 0xAA},
  19     {0xAA, 0x55, 0x00},
  20     {0xAA, 0xAA, 0xAA},
  21     {0x55, 0x55, 0x55},
  22     {0x55, 0x55, 0xFF},
  23     {0x55, 0xFF, 0x55},
  24     {0x55, 0xFF, 0xFF},
  25     {0xFF, 0x55, 0x55},
  26     {0xFF, 0x55, 0xFF},
  27     {0xFF, 0xFF, 0x55},
  28     {0xFF, 0xFF, 0xFF},
  29 };
  30
  31 VOID
  32 LlbFwPutChar(INT Ch)
  33 {
  34     /* Just call directly the video function */
  35     LlbVideoPutChar(Ch);
  36
  37     /* DEBUG ONLY */
  38     LlbSerialPutChar(Ch);
  39 }
  40
  41 BOOLEAN
  42 LlbFwKbHit(VOID)
  43 {
  44     /* Check RX buffer */
  45     return LlbHwKbdReady();
  46 }
  47
  48 INT
  49 LlbFwGetCh(VOID)
  50 {
  51     /* Return the key pressed */
  52 #ifdef _ZOOM2_
  53     return LlbKeypadGetChar();
  54 #else
  55     return LlbKeyboardGetChar();
  56 #endif
  57 }
  58
  59 ULONG
  60 LlbFwVideoSetDisplayMode(IN PCHAR DisplayModeName,
  61                          IN BOOLEAN Init)
  62 {
  63     /* Return text mode */
  64     return 0;
  65 }
  66
  67 VOID
  68 LlbFwVideoGetDisplaySize(OUT PULONG Width,
  69                          OUT PULONG Height,
  70                          OUT PULONG Depth)
  71 {
  72     /* Query static settings */
  73     *Width = LlbHwGetScreenWidth() / 8;
  74     *Height = LlbHwGetScreenHeight() / 16;
  75
  76     /* Depth is always 16 bpp */
  77     *Depth = 16;
  78 }
  79
  80 VOID
  81 LlbFwVideoClearScreen(IN UCHAR Attr)
  82 {
  83     /* Clear the screen */
  84     LlbVideoClearScreen(TRUE);
  85 }
  86
  87 VOID
  88 LlbFwVideoPutChar(IN INT c,
  89                   IN UCHAR Attr,
  90                   IN ULONG X,
  91                   IN ULONG Y)
  92 {
  93     ULONG Color, BackColor;
  94     PUSHORT Buffer;
  95
  96     /* Convert EGA index to color used by hardware */
  97     Color = LlbHwVideoCreateColor(ColorPalette[Attr & 0xF][0],
  98                                   ColorPalette[Attr & 0xF][1],
  99                                   ColorPalette[Attr & 0xF][2]);
 100     BackColor = LlbHwVideoCreateColor(ColorPalette[Attr >> 4][0],
 101                                       ColorPalette[Attr >> 4][1],
 102                                       ColorPalette[Attr >> 4][2]);
 103
 104     /* Compute buffer address */
 105     Buffer = (PUSHORT)LlbHwGetFrameBuffer() + (LlbHwGetScreenWidth() * (Y * 16)) + (X * 8);
 106
 107     /* Draw it */
 108     LlbVideoDrawChar(c, Buffer, Color, BackColor);
 109 }
 110
 111
 112 TIMEINFO*
 113 LlbFwGetTime(VOID)
 114 {
 115     /* Call existing function */
 116     return LlbGetTime();
 117 }
 118
 119 /* EOF */