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116 lines
2.5 KiB
C
116 lines
2.5 KiB
C
/*
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* PROJECT: ReactOS Boot Loader
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* LICENSE: BSD - See COPYING.ARM in the top level directory
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* FILE: boot/armllb/fw.c
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* PURPOSE: LLB Firmware Routines (accessible by OS Loader)
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* PROGRAMMERS: ReactOS Portable Systems Group
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*/
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#include "precomp.h"
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USHORT ColorPalette[16][3] =
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{
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{0x00, 0x00, 0x00},
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{0x00, 0x00, 0xAA},
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{0x00, 0xAA, 0x00},
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{0x00, 0xAA, 0xAA},
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{0xAA, 0x00, 0x00},
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{0xAA, 0x00, 0xAA},
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{0xAA, 0x55, 0x00},
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{0xAA, 0xAA, 0xAA},
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{0x55, 0x55, 0x55},
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{0x55, 0x55, 0xFF},
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{0x55, 0xFF, 0x55},
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{0x55, 0xFF, 0xFF},
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{0xFF, 0x55, 0x55},
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{0xFF, 0x55, 0xFF},
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{0xFF, 0xFF, 0x55},
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{0xFF, 0xFF, 0xFF},
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};
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VOID
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LlbFwPutChar(INT Ch)
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{
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/* Just call directly the video function */
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LlbVideoPutChar(Ch);
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/* DEBUG ONLY */
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LlbSerialPutChar(Ch);
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}
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BOOLEAN
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LlbFwKbHit(VOID)
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{
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/* Check RX buffer */
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return LlbHwKbdReady();
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}
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INT
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LlbFwGetCh(VOID)
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{
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/* Return the key pressed */
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return LlbKeyboardGetChar();
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}
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ULONG
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LlbFwVideoSetDisplayMode(IN PCHAR DisplayModeName,
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IN BOOLEAN Init)
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{
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/* Return text mode */
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return 0;
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}
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VOID
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LlbFwVideoGetDisplaySize(OUT PULONG Width,
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OUT PULONG Height,
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OUT PULONG Depth)
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{
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/* Query static settings */
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*Width = LlbHwGetScreenWidth() / 8;
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*Height = LlbHwGetScreenHeight() / 16;
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/* Depth is always 16 bpp */
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*Depth = 16;
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}
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VOID
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LlbFwVideoClearScreen(IN UCHAR Attr)
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{
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/* Clear the screen */
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LlbVideoClearScreen(TRUE);
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}
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VOID
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LlbFwVideoPutChar(IN INT c,
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IN UCHAR Attr,
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IN ULONG X,
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IN ULONG Y)
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{
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ULONG Color, BackColor;
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PUSHORT Buffer;
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/* Convert EGA index to color used by hardware */
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Color = LlbHwVideoCreateColor(ColorPalette[Attr & 0xF][0],
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ColorPalette[Attr & 0xF][1],
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ColorPalette[Attr & 0xF][2]);
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BackColor = LlbHwVideoCreateColor(ColorPalette[Attr >> 4][0],
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ColorPalette[Attr >> 4][1],
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ColorPalette[Attr >> 4][2]);
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/* Compute buffer address */
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Buffer = (PUSHORT)LlbHwGetFrameBuffer() + (LlbHwGetScreenWidth() * (Y * 16)) + (X * 8);
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/* Draw it */
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LlbVideoDrawChar(c, Buffer, Color, BackColor);
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}
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TIMEINFO*
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LlbFwGetTime(VOID)
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{
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/* Call existing function */
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return LlbGetTime();
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}
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/* EOF */
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