ReactOS 0.4.15-dev-6669-g8227c5d
bootvid.c
Go to the documentation of this file.
1#include "precomp.h"
2
3#define NDEBUG
4#include <debug.h>
5
8
9/* PRIVATE FUNCTIONS *********************************************************/
10
11VOID
14 _In_ CHAR Character,
15 _In_ ULONG Left,
17 _In_ ULONG TextColor,
18 _In_ ULONG BackColor)
19{
20 PUCHAR FontChar;
21 ULONG i, j, XOffset;
22
23 /* Get the font line for this character */
24 FontChar = &VidpFontData[Character * BOOTCHAR_HEIGHT - Top];
25
26 /* Loop each pixel height */
27 for (i = BOOTCHAR_HEIGHT; i > 0; --i)
28 {
29 /* Loop each pixel width */
30 XOffset = Left;
31 for (j = (1 << 7); j > 0; j >>= 1)
32 {
33 /* Check if we should draw this pixel */
34 if (FontChar[Top] & (UCHAR)j)
35 {
36 /* We do, use the given Text Color */
37 SetPixel(XOffset, Top, (UCHAR)TextColor);
38 }
39 else if (BackColor < BV_COLOR_NONE)
40 {
41 /*
42 * This is a background pixel. We're drawing it
43 * unless it's transparent.
44 */
45 SetPixel(XOffset, Top, (UCHAR)BackColor);
46 }
47
48 /* Increase X Offset */
49 XOffset++;
50 }
51
52 /* Move to the next Y ordinate */
53 Top++;
54 }
55}
56
57VOID
60 _In_ ULONG Scroll)
61{
63 PUSHORT SourceOffset, DestOffset;
64 PUSHORT i, j;
65
66 /* Set memory positions of the scroll */
68 DestOffset = &SourceOffset[Scroll * (SCREEN_WIDTH / 8)];
69
70 /* Start loop */
71 for (Top = VidpScrollRegion[1]; Top <= VidpScrollRegion[3]; ++Top)
72 {
73 /* Set number of bytes to loop and start offset */
74 Offset = VidpScrollRegion[0] >> 3;
76
77 /* Check if this is part of the scroll region */
78 if (Offset <= (VidpScrollRegion[2] >> 3))
79 {
80 /* Update position */
81 i = (PUSHORT)(DestOffset - SourceOffset);
82
83 /* Loop the X axis */
84 do
85 {
86 /* Write value in the new position so that we can do the scroll */
88
89 /* Move to the next memory location to write to */
90 j++;
91
92 /* Move to the next byte in the region */
93 Offset++;
94
95 /* Make sure we don't go past the scroll region */
96 } while (Offset <= (VidpScrollRegion[2] >> 3));
97 }
98
99 /* Move to the next line */
100 SourceOffset += (SCREEN_WIDTH / 8);
101 DestOffset += (SCREEN_WIDTH / 8);
102 }
103}
104
105VOID
106NTAPI
108 _In_ ULONG CurrentTop,
109 _In_ ULONG TopDelta,
110 _In_ BOOLEAN Restore)
111{
112 PUSHORT Position1, Position2;
113 ULONG Count;
114
115 /* Calculate the position in memory for the row */
116 if (Restore)
117 {
118 /* Restore the row by copying back the contents saved off-screen */
119 Position1 = &VgaArmBase[CurrentTop * (SCREEN_WIDTH / 8)];
120 Position2 = &VgaArmBase[SCREEN_HEIGHT * (SCREEN_WIDTH / 8)];
121 }
122 else
123 {
124 /* Preserve the row by saving its contents off-screen */
125 Position1 = &VgaArmBase[SCREEN_HEIGHT * (SCREEN_WIDTH / 8)];
126 Position2 = &VgaArmBase[CurrentTop * (SCREEN_WIDTH / 8)];
127 }
128
129 /* Set the count and loop every pixel */
130 Count = TopDelta * (SCREEN_WIDTH / 8);
131 while (Count--)
132 {
133 /* Write the data back on the other position */
134 WRITE_REGISTER_USHORT(Position1, READ_REGISTER_USHORT(Position2));
135
136 /* Increase both positions */
137 Position1++;
138 Position2++;
139 }
140}
141
142VOID
143NTAPI
145{
146 //
147 // Set framebuffer address
148 //
151
152 //
153 // Initialize timings to 640x480
154 //
157
158 //
159 // Enable the LCD Display
160 //
166}
167
168VOID
169NTAPI
173{
175}
176
177/* PUBLIC FUNCTIONS **********************************************************/
178
179/*
180 * @implemented
181 */
183NTAPI
185 _In_ BOOLEAN SetMode)
186{
187 DPRINT1("bv-arm v0.1\n");
188
189 //
190 // Allocate framebuffer
191 // 600kb works out to 640x480@16bpp
192 //
195 if (!VgaArmBase) return FALSE;
196
197 //
198 // Get physical address
199 //
201 if (!VgaPhysical.QuadPart) return FALSE;
202 DPRINT1("[BV-ARM] Frame Buffer @ 0x%p 0p%p\n", VgaArmBase, VgaPhysical.LowPart);
203
204 //
205 // Setup the display
206 //
208
209 //
210 // We are done!
211 //
212 return TRUE;
213}
214
215/*
216 * @implemented
217 */
218VOID
219NTAPI
221 _In_ BOOLEAN HalReset)
222{
223 //
224 // Clear the current position
225 //
226 VidpCurrentX = 0;
227 VidpCurrentY = 0;
228
229 //
230 // Re-initialize the VGA Display
231 //
233
234 //
235 // Re-initialize the palette and fill the screen black
236 //
239}
240
241/*
242 * @implemented
243 */
244VOID
245NTAPI
247{
249 while (TRUE);
250}
251
252/*
253 * @implemented
254 */
255VOID
256NTAPI
259 _In_ ULONG Left,
260 _In_ ULONG Top,
264{
266 while (TRUE);
267}
268
269/*
270 * @implemented
271 */
272VOID
273NTAPI
275 _In_ ULONG Left,
276 _In_ ULONG Top,
277 _In_ ULONG Right,
280{
281 int y, x;
282
283 //
284 // Loop along the Y-axis
285 //
286 for (y = Top; y <= Bottom; y++)
287 {
288 //
289 // Loop along the X-axis
290 //
291 for (x = Left; x <= Right; x++)
292 {
293 //
294 // Draw the pixel
295 //
296 SetPixel(x, y, Color);
297 }
298 }
299}
unsigned char BOOLEAN
VOID NTAPI DoScroll(_In_ ULONG Scroll)
Definition: bootvid.c:59
VOID NTAPI VidScreenToBufferBlt(_Out_writes_bytes_(Delta *Height) PUCHAR Buffer, _In_ ULONG Left, _In_ ULONG Top, _In_ ULONG Width, _In_ ULONG Height, _In_ ULONG Delta)
Definition: bootvid.c:257
VOID NTAPI PreserveRow(_In_ ULONG CurrentTop, _In_ ULONG TopDelta, _In_ BOOLEAN Restore)
Definition: bootvid.c:107
VOID NTAPI VidSolidColorFill(_In_ ULONG Left, _In_ ULONG Top, _In_ ULONG Right, _In_ ULONG Bottom, _In_ UCHAR Color)
Definition: bootvid.c:274
VOID NTAPI InitPaletteWithTable(_In_ PULONG Table, _In_ ULONG Count)
Definition: bootvid.c:170
VOID NTAPI VidpInitializeDisplay(VOID)
Definition: bootvid.c:144
VOID NTAPI VidCleanUp(VOID)
Definition: bootvid.c:246
VOID NTAPI VidResetDisplay(_In_ BOOLEAN HalReset)
Definition: bootvid.c:220
VOID NTAPI DisplayCharacter(_In_ CHAR Character, _In_ ULONG Left, _In_ ULONG Top, _In_ ULONG TextColor, _In_ ULONG BackColor)
Definition: bootvid.c:13
PHYSICAL_ADDRESS VgaPhysical
Definition: bootvid.c:7
BOOLEAN NTAPI VidInitialize(_In_ BOOLEAN SetMode)
Definition: bootvid.c:184
PUSHORT VgaArmBase
Definition: bootvid.c:6
#define WRITE_REGISTER_USHORT(r, v)
Definition: arm.h:24
#define READ_REGISTER_USHORT(r)
Definition: arm.h:23
FORCEINLINE VOID SetPixel(_In_ ULONG Left, _In_ ULONG Top, _In_ UCHAR Color)
Definition: arm.h:50
#define WRITE_REGISTER_ULONG(r, v)
Definition: arm.h:21
#define DPRINT1
Definition: precomp.h:8
static LPHIST_ENTRY Bottom
Definition: history.c:54
static LPHIST_ENTRY Top
Definition: history.c:53
#define UNIMPLEMENTED
Definition: debug.h:115
Definition: bufpool.h:45
PVOID NTAPI MmAllocateContiguousMemory(IN SIZE_T NumberOfBytes, IN PHYSICAL_ADDRESS HighestAcceptableAddress)
Definition: contmem.c:626
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
ULONG VidpCurrentY
Definition: common.c:8
ULONG VidpCurrentX
Definition: common.c:7
ULONG VidpScrollRegion[4]
Definition: common.c:10
#define BOOTCHAR_HEIGHT
Definition: precomp.h:27
#define InitializePalette()
Definition: precomp.h:68
UCHAR VidpFontData[256 *BOOTCHAR_HEIGHT]
Definition: fontdata.c:9
ASMGENDATA Table[]
Definition: genincdata.c:61
GLint GLint GLint GLint GLint x
Definition: gl.h:1548
GLint GLint GLint GLint GLint GLint y
Definition: gl.h:1548
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint GLint GLint j
Definition: glfuncs.h:250
#define PL110_LCDCONTROL
Definition: hwclcd.c:23
#define LCDCONTROL_LCDBPP(x)
Definition: hwclcd.c:15
#define PL110_LCDTIMING1
Definition: hwclcd.c:19
#define PL110_LCDUPBASE
Definition: hwclcd.c:21
#define PL110_LCDTIMING0
Definition: hwclcd.c:18
#define LCDTIMING0_PPL(x)
Definition: hwclcd.c:11
#define LCDCONTROL_LCDPWR
Definition: hwclcd.c:13
#define LCDCONTROL_LCDEN
Definition: hwclcd.c:14
#define LCDCONTROL_LCDTFT
Definition: hwclcd.c:16
#define LCDTIMING1_LPP(x)
Definition: hwclcd.c:12
#define PL110_LCDLPBASE
Definition: hwclcd.c:22
#define _Out_writes_bytes_(size)
Definition: ms_sal.h:350
#define _In_
Definition: ms_sal.h:308
int Count
Definition: noreturn.cpp:7
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
PHYSICAL_ADDRESS NTAPI MmGetPhysicalAddress(IN PVOID Address)
Definition: stubs.c:685
#define SCREEN_WIDTH
Definition: pc98video.c:27
#define SCREEN_HEIGHT
Definition: pc98video.c:28
#define BV_COLOR_NONE
Definition: display.h:31
#define BV_COLOR_BLACK
Definition: display.h:15
uint32_t * PULONG
Definition: typedefs.h:59
#define NTAPI
Definition: typedefs.h:36
uint16_t * PUSHORT
Definition: typedefs.h:56
uint32_t ULONG_PTR
Definition: typedefs.h:65
unsigned char * PUCHAR
Definition: typedefs.h:53
uint32_t ULONG
Definition: typedefs.h:59
LONGLONG QuadPart
Definition: typedefs.h:114
ULONG LowPart
Definition: typedefs.h:106
_In_ HFONT _Out_ PUINT _Out_ PUINT Width
Definition: font.h:89
_In_ HFONT _Out_ PUINT Height
Definition: font.h:88
_Must_inspect_result_ _In_ WDFMEMORY _In_ size_t SourceOffset
Definition: wdfmemory.h:320
static ULONG Delta
Definition: xboxvideo.c:33
unsigned char UCHAR
Definition: xmlstorage.h:181
char CHAR
Definition: xmlstorage.h:175