ReactOS 0.4.15-dev-7704-gc07eb9f
font.c
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1/*
2 * PROJECT: ReactOS Console Text-Mode Device Driver
3 * LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
4 * PURPOSE: Loading specific fonts into VGA.
5 * COPYRIGHT: Copyright 2008-2019 Aleksey Bragin (aleksey@reactos.org)
6 * Copyright 2008-2019 Colin Finck (mail@colinfinck.de)
7 * Copyright 2008-2019 Christoph von Wittich (christoph_vw@reactos.org)
8 */
9
10/* INCLUDES ***************************************************************/
11
12#include "blue.h"
13
14//
15// FIXME: For the moment we support only a fixed 256-char 8-bit font.
16//
17
20VOID LoadFont(_In_ PUCHAR Bitplane, _In_ PUCHAR FontBitfield);
21
22/* FUNCTIONS ****************************************************************/
23
24VOID
26 _In_ PUCHAR FontBitfield)
27{
29 PUCHAR Bitplane;
30
31 /* open bit plane for font table access */
33
34 /* get pointer to video memory */
35 BaseAddress.QuadPart = BITPLANE_BASE;
36 Bitplane = (PUCHAR)MmMapIoSpace(BaseAddress, 0xFFFF, MmNonCached);
37
38 LoadFont(Bitplane, FontBitfield);
39
40 MmUnmapIoSpace(Bitplane, 0xFFFF);
41
42 /* close bit plane */
44}
45
46/* PRIVATE FUNCTIONS *********************************************************/
47
48/* Font-load specific funcs */
49VOID
51{
52 /* disable interrupts */
53 _disable();
54
55 /* sequence reg */
60
61 /* graphic reg */
65
66 /* enable interrupts */
67 _enable();
68}
69
70VOID
72{
73 /* disable interrupts */
74 _disable();
75
76 /* sequence reg */
81
82 /* graphic reg */
86
87 /* enable interrupts */
88 _enable();
89}
90
91VOID
93 _In_ PUCHAR Bitplane,
94 _In_ PUCHAR FontBitfield)
95{
96 UINT32 i, j;
97
98 for (i = 0; i < 256; i++)
99 {
100 for (j = 0; j < 8; j++)
101 {
102 *Bitplane = FontBitfield[i * 8 + j];
103 Bitplane++;
104 }
105
106 // padding
107 for (j = 8; j < 32; j++)
108 {
109 *Bitplane = 0;
110 Bitplane++;
111 }
112 }
113}
unsigned int UINT32
#define SEQ_COMMAND
Definition: blue.h:88
#define GCT_RW_MODES
Definition: blue.h:101
#define SEQ_MEM_MODE
Definition: blue.h:97
#define SEQ_RESET
Definition: blue.h:95
#define GCT_COMMAND
Definition: blue.h:91
#define SEQ_ENABLE_WRT_PLANE
Definition: blue.h:96
#define GCT_DATA
Definition: blue.h:92
#define GCT_READ_PLANE
Definition: blue.h:100
#define SEQ_DATA
Definition: blue.h:89
#define GCT_GRAPH_MODE
Definition: blue.h:102
#define BITPLANE_BASE
Definition: blue.h:74
VOID ScrSetFont(_In_ PUCHAR FontBitfield)
Definition: font.c:25
VOID CloseBitPlane(VOID)
Definition: font.c:71
VOID LoadFont(_In_ PUCHAR Bitplane, _In_ PUCHAR FontBitfield)
Definition: font.c:92
VOID OpenBitPlane(VOID)
Definition: font.c:50
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
void __cdecl _disable(void)
Definition: intrin_arm.h:365
void __cdecl _enable(void)
Definition: intrin_arm.h:373
VOID NTAPI MmUnmapIoSpace(IN PVOID BaseAddress, IN SIZE_T NumberOfBytes)
Definition: iosup.c:193
PVOID NTAPI MmMapIoSpace(IN PHYSICAL_ADDRESS PhysicalAddress, IN SIZE_T NumberOfBytes, IN MEMORY_CACHING_TYPE CacheType)
Definition: iosup.c:47
#define _In_
Definition: ms_sal.h:308
_In_ HANDLE _Outptr_result_bytebuffer_ ViewSize PVOID * BaseAddress
Definition: mmfuncs.h:404
#define WRITE_PORT_UCHAR(p, d)
Definition: pc98vid.h:21
unsigned char * PUCHAR
Definition: typedefs.h:53
@ MmNonCached
Definition: mmtypes.h:129