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     return LlbKeyboardGetChar();
  53 }
  54
  55 ULONG
  56 LlbFwVideoSetDisplayMode(IN PCHAR DisplayModeName,
  57                          IN BOOLEAN Init)
  58 {
  59     /* Return text mode */
  60     return 0;
  61 }
  62
  63 VOID
  64 LlbFwVideoGetDisplaySize(OUT PULONG Width,
  65                          OUT PULONG Height,
  66                          OUT PULONG Depth)
  67 {
  68     /* Query static settings */
  69     *Width = LlbHwGetScreenWidth() / 8;
  70     *Height = LlbHwGetScreenHeight() / 16;
  71
  72     /* Depth is always 16 bpp */
  73     *Depth = 16;
  74 }
  75
  76 VOID
  77 LlbFwVideoClearScreen(IN UCHAR Attr)
  78 {
  79     /* Clear the screen */
  80     LlbVideoClearScreen(TRUE);
  81 }
  82
  83 VOID
  84 LlbFwVideoPutChar(IN INT c,
  85                   IN UCHAR Attr,
  86                   IN ULONG X,
  87                   IN ULONG Y)
  88 {
  89     ULONG Color, BackColor;
  90     PUSHORT Buffer;
  91
  92     /* Convert EGA index to color used by hardware */
  93     Color = LlbHwVideoCreateColor(ColorPalette[Attr & 0xF][0],
  94                                   ColorPalette[Attr & 0xF][1],
  95                                   ColorPalette[Attr & 0xF][2]);
  96     BackColor = LlbHwVideoCreateColor(ColorPalette[Attr >> 4][0],
  97                                       ColorPalette[Attr >> 4][1],
  98                                       ColorPalette[Attr >> 4][2]);
  99
 100     /* Compute buffer address */
 101     Buffer = (PUSHORT)LlbHwGetFrameBuffer() + (LlbHwGetScreenWidth() * (Y * 16)) + (X * 8);
 102
 103     /* Draw it */
 104     LlbVideoDrawChar(c, Buffer, Color, BackColor);
 105 }
 106
 107
 108 TIMEINFO*
 109 LlbFwGetTime(VOID)
 110 {
 111     /* Call existing function */
 112     return LlbGetTime();
 113 }
 114
 115 /* EOF */