Import backup from 2005-05-12

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josh committed 2017-07-25 22:23:50 -04:00
1 parent 14792ef954
commit b0132c866e
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// misc_char.cpp
// Miscellaneous character devices
// Author: Josh Holtrop
// Date: 05/11/05
// Modified: 05/11/05
#define _HOS_CPP_ _HOS_CPP_
#include "hos_defines.h"
#include "devices.h"
#include "misc_char.h"
#include "sys/io.h"
int MiscChar::char_read(minor_t minor)
{
switch (minor)
{
case MISC_CHAR_NULL:
return DEV_EOF;
case MISC_CHAR_ZERO:
return 0;
case MISC_CHAR_LP0:
return DEV_INVALID_ACCESS;
default:
return DEV_INVALID_ACCESS;
}
}
int MiscChar::char_write(minor_t minor, int c)
{
switch (minor)
{
case MISC_CHAR_NULL:
return 0;
case MISC_CHAR_ZERO:
return 0;
case MISC_CHAR_LP0:
outportb(0x37a, 0xc);
outportb(0x378, c);
outportb(0x37a, 0x1);
return 0;
default:
return DEV_INVALID_ACCESS;
}
}
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// misc_char.h
// Miscellaneous character devices
// Author: Josh Holtrop
// Date: 05/11/05
// Modified: 05/11/05
#ifndef __HOS_MISC_CHAR__
#define __HOS_MISC_CHAR__ __HOS_MISC_CHAR__
#define MISC_CHAR_NULL 3
#define MISC_CHAR_ZERO 5
#define MISC_CHAR_LP0 10
#include "hos_defines.h"
#include "devices.h"
#include "misc_char.h"
#ifdef _HOS_CPP_
class MiscChar : public DeviceDriver
{
public:
int char_read(minor_t minor);
int char_write(minor_t minor, int c);
};
#endif
#endif
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// parallel.c
// Author: Josh Holtrop
// Date: 08/02/04
// Modified: 08/16/04
#include "hos_defines.h"
#include "functions.h"
#include "char/parallel.h"
#include "fs/devices.h"
#include "mm/vmm.h"
// initialization routine for vconsoles module
int parallel_init(major_t major)
{
dev_driver_t *parallel_driver;
if (( parallel_driver = New(dev_driver_t) ))
{
parallel_driver->char_write = parallel_char_write;
devices_register_major('c', major, parallel_driver);
// register parallel devices as /dev/lp0, etc...
return 0;
}
return -1;
}
int parallel_char_write(minor_t minor, int c)
{
if (minor == 0)
{
outportb(0x37a, 0xc);
outportb(0x378, c);
outportb(0x37a, 0x1);
}
return 0;
}
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// parallel.h
// Author: Josh Holtrop
// Date: 08/02/04
#ifndef __HOS_PARALLEL__
#define __HOS_PARALLEL__ __HOS_PARALLEL__
#include "hos_defines.h"
#include "fs/devices.h"
int parallel_init(major_t major);
int parallel_char_write(minor_t minor, int c);
#endif
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// vconsole.c
// Author: Josh Holtrop
// Date: 08/02/04
// Modified: 08/16/04
#include "char/vconsole.h"
#include "hos_defines.h"
#include "fs/devices.h"
#include "mm/vmm.h"
#include "lang/lang.h"
#include "display/display.h"
#include "functions.h"
vconsole_t *vconsoles[VCONSOLE_MAX]; // pointer to virtual console structs
extern int display_activeConsole; // display subsystem active virtual console number
char ansi2vgaAttr[8] = {0, 4, 2, 6, 1, 5, 3, 7};
void vconsole_put_char(minor_t id, int c);
void vconsole_update_cursor(minor_t id, u16_t position);
void vconsole_update_attribute(minor_t id);
void vconsole_refresh(minor_t id);
// initialization routine for vconsoles module
int vconsole_init(major_t major)
{
dev_driver_t *vconsole_driver;
if (( vconsole_driver = New(dev_driver_t) ))
{
vconsole_driver->char_write = vconsole_char_write;
devices_register_major('c', major, vconsole_driver);
return 0;
}
return -1;
}
// routine to create a new virtual console object
minor_t vconsole_new(int width, int height)
{
int i;
for (i = 1; i < VCONSOLE_MAX; i++)
{
if ( (!vconsoles[i]) && ( vconsoles[i] = New(vconsole_t) ) )
{
if (( vconsoles[i]->buffer = kmalloc(width * height * 2) ))
{
vconsoles[i]->width = width;
vconsoles[i]->height = height;
vconsoles[i]->attribute = vconsoles[i]->foreground = 0x07;
memsetw(vconsoles[i]->buffer, 0x0720, width * height);
// TODO: register the device as /dev/console%d
return i;
}
else
{
kfree(vconsoles[i]);
return 0;
}
}
}
return 0;
}
// called by display subsystem to draw a virtual console to the screen
int vconsole_draw(minor_t id)
{
if (vconsoles[id])
return display_console_draw(id, vconsoles[id]->cursorPosition,
vconsoles[id]->buffer, vconsoles[id]->width * vconsoles[id]->height);
return -1;
}
// called by character device interface when a character is written to device w/ minor #id
int vconsole_char_write(minor_t id, int c)
{
if (!vconsoles[id])
return -1;
int cursorY = vconsoles[id]->cursorPosition / vconsoles[id]->width;
int cursorX = vconsoles[id]->cursorPosition % vconsoles[id]->width;
int evalEscapePosition = 0;
switch (vconsoles[id]->escapeLevel)
{
case 2:
if (c >= '0' && c <= '9') // c is part of an escape value
{
vconsoles[id]->escapeValue[vconsoles[id]->escapePosition] *= 10;
vconsoles[id]->escapeValue[vconsoles[id]->escapePosition] += c - '0';
return 0;
}
else if (c == ';')
{
if (vconsoles[id]->escapePosition < 7)
vconsoles[id]->escapePosition++;
return 0;
}
switch (c)
{
case 'A': // move cursor up n rows
cursorY -= vconsoles[id]->escapeValue[0];
if (cursorY < 0)
cursorY = 0;
vconsole_update_cursor(id, cursorY * vconsoles[id]->width + cursorX);
break;
case 'B': // move cursor down n rows
cursorY += vconsoles[id]->escapeValue[0];
if (cursorY >= vconsoles[id]->height)
cursorY = vconsoles[id]->height - 1;
vconsole_update_cursor(id, cursorY * vconsoles[id]->width + cursorX);
break;
case 'C': // move cursor left n columns
cursorX -= vconsoles[id]->escapeValue[0];
if (cursorX < 0)
cursorX = 0;
vconsole_update_cursor(id, cursorY * vconsoles[id]->width + cursorX);
break;
case 'D': // move cursor right n columns
cursorX += vconsoles[id]->escapeValue[0];
if (cursorX >= vconsoles[id]->width)
cursorX = vconsoles[id]->width - 1;
vconsole_update_cursor(id, cursorY * vconsoles[id]->width + cursorX);
break;
case 'H':
case 'f': // move cursor to position (x,y) upper left is (1,1)
cursorX = vconsoles[id]->escapeValue[0] - 1;
cursorY = vconsoles[id]->escapeValue[1] - 1;
if (cursorY < 0)
cursorY = 0;
if (cursorY >= vconsoles[id]->height)
cursorY = vconsoles[id]->height - 1;
if (cursorX < 0)
cursorX = 0;
if (cursorX >= vconsoles[id]->width)
cursorX = vconsoles[id]->width - 1;
vconsole_update_cursor(id, cursorY * vconsoles[id]->width + cursorX);
break;
case 'J': // clear screen, home cursor
memsetw(vconsoles[id]->buffer, 0x0720, vconsoles[id]->width * vconsoles[id]->height);
vconsole_draw(id);
vconsole_update_cursor(id, 0);
break;
case 'K': // erase line from cursor position (including char. under cursor) to end of line
memsetw(vconsoles[id]->buffer + vconsoles[id]->cursorPosition, 0x0720, vconsoles[id]->width - cursorX);
vconsole_draw(id);
break;
case 's': // push cursor position on an internal stack
if (vconsoles[id]->cursorStackPosition < 16)
vconsoles[id]->cursorStack[vconsoles[id]->cursorStackPosition++] = vconsoles[id]->cursorPosition;
break;
case 'u': // pop cursor position from stack
if (vconsoles[id]->cursorStackPosition > 0)
vconsole_update_cursor(id, vconsoles[id]->cursorStack[--vconsoles[id]->cursorStackPosition]);
break;
case 'm': // set text attributes
for (evalEscapePosition = 0; evalEscapePosition <= vconsoles[id]->escapePosition; evalEscapePosition++)
{
switch (vconsoles[id]->escapeValue[evalEscapePosition])
{
case 0:
vconsoles[id]->foreground = 0x07;
vconsoles[id]->background = 0x00;
vconsoles[id]->concealed = 0;
vconsoles[id]->reverse = 0;
vconsoles[id]->blink = 0;
vconsoles[id]->bold = 0;
vconsole_update_attribute(id);
break;
case 1:
vconsoles[id]->bold = 1;
vconsole_update_attribute(id);
break;
case 5:
vconsoles[id]->blink = 1;
vconsole_update_attribute(id);
break;
case 7:
vconsoles[id]->reverse = 1;
vconsole_update_attribute(id);
break;
case 30:
case 31:
case 32:
case 33:
case 34:
case 35:
case 36:
case 37:
vconsoles[id]->foreground = ansi2vgaAttr[vconsoles[id]->escapeValue[evalEscapePosition] - 30];
vconsole_update_attribute(id);
break;
case 40:
case 41:
case 42:
case 43:
case 44:
case 45:
case 46:
case 47:
vconsoles[id]->background = ansi2vgaAttr[vconsoles[id]->escapeValue[evalEscapePosition] - 40];
vconsole_update_attribute(id);
break;
}
}
vconsoles[id]->escapePosition = 0;
break;
}
memsetd(vconsoles[id]->escapeValue, 0, 8);
vconsoles[id]->escapePosition = 0;
vconsoles[id]->escapeLevel = 0;
return 0;
case 1:
if (c == '[')
vconsoles[id]->escapeLevel = 2;
break;
vconsoles[id]->escapeLevel = 0;
return 0; // invalid escape sequence
default:
if (c == '\e')
{
vconsoles[id]->escapeLevel = 1;
return 0;
}
vconsole_put_char(id, c);
}
return 0;
}
// write the character to the virtual console
void vconsole_put_char(minor_t id, int c)
{
if (!vconsoles[id]->concealed)
{
switch (c)
{
case '\t':
if (vconsoles[id]->cursorPosition % 8)
vconsole_update_cursor(id, vconsoles[id]->cursorPosition + (8 - (vconsoles[id]->cursorPosition % 8)));
else
vconsole_update_cursor(id, vconsoles[id]->cursorPosition + 8);
break;
case '\n':
if (vconsoles[id]->cursorPosition % (vconsoles[id]->width))
vconsole_update_cursor(id, vconsoles[id]->cursorPosition + (vconsoles[id]->width - (vconsoles[id]->cursorPosition % vconsoles[id]->width)));
else
vconsole_update_cursor(id, vconsoles[id]->cursorPosition + vconsoles[id]->width);
break;
default:
vconsoles[id]->buffer[vconsoles[id]->cursorPosition] = c | (vconsoles[id]->attribute << 8);
if (id == display_activeConsole)
display_console_put_char(id, c | (vconsoles[id]->attribute << 8), vconsoles[id]->cursorPosition);
vconsole_update_cursor(id, vconsoles[id]->cursorPosition + 1);
}
}
}
void vconsole_update_cursor(minor_t id, u16_t position)
{
vconsoles[id]->cursorPosition = position;
if (position >= (vconsoles[id]->width * vconsoles[id]->height)) // time to scroll console
{
int i;
for (i = 0; i < vconsoles[id]->cursorStackPosition; i++)
{
vconsoles[id]->cursorStack[i] -= vconsoles[id]->width;
if (vconsoles[id]->cursorStack[i] < 0)
vconsoles[id]->cursorStack[i] = 0;
}
vconsoles[id]->cursorPosition -= vconsoles[id]->width;
memcpyw(vconsoles[id]->buffer, vconsoles[id]->buffer + vconsoles[id]->width, vconsoles[id]->width * (vconsoles[id]->height - 1));
memsetw(vconsoles[id]->buffer + (vconsoles[id]->width * (vconsoles[id]->height - 1)), 0x0720, vconsoles[id]->width);
if (display_activeConsole == id)
{
vconsole_draw(id);
return;
}
}
if (display_activeConsole == id)
display_console_update_cursor(id, position);
}
void vconsole_update_attribute(minor_t id)
{
if (vconsoles[id]->reverse)
{
vconsoles[id]->attribute =
vconsoles[id]->blink << 7 |
vconsoles[id]->foreground << 4 |
vconsoles[id]->bold << 3 |
vconsoles[id]->background;
}
else
{
vconsoles[id]->attribute =
vconsoles[id]->blink << 7 |
vconsoles[id]->background << 4 |
vconsoles[id]->bold << 3 |
vconsoles[id]->foreground;
}
}
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// vconsole.cpp
// Author: Josh Holtrop
// Date: 08/02/04
// Modified: 05/11/05
#define _HOS_CPP_ _HOS_CPP_
extern "C"
{
#include "hos_defines.h"
#include "mm/vmm.h"
#include "lang/lang.h"
#include "display/display.h"
#include "functions.h"
}
#include "devices.h"
#include "char/vconsole.h"
VConsole *vconsoles[VCONSOLE_MAX]; // pointer to virtual console structs
extern int display_activeConsole; // display subsystem active virtual console number
char ansi2vgaAttr[8] = {0, 4, 2, 6, 1, 5, 3, 7};
void vconsole_setup(int width, int height)
{
for (int i = 0; i < VCONSOLE_MAX; i++)
vconsoles[i] = new VConsole(width, height);
}
VConsoleDriver::~VConsoleDriver()
{
for (int i = 0; i < VCONSOLE_MAX; i++)
if (vconsoles[i])
delete vconsoles[i];
}
int VConsoleDriver::char_write(minor_t minor, int c)
{
if (minor < 0 || minor >= VCONSOLE_MAX)
return -1;
if (!vconsoles[minor])
return -2;
return vconsoles[minor]->char_write(c);
}
VConsole::VConsole(int width, int height)
{
myBuffer = new u16_t[width * height];
myWidth = width;
myHeight = height;
myAttribute = myForeground = 0x07;
memsetw(myBuffer, 0x0720, width * height);
myCursorPosition = 0;
myCursorStackPosition = myEscapeLevel = myEscapePosition = myBackground =
myBold = myReverse = myBlink = myConcealed = myActive = 0;
}
VConsole::~VConsole()
{
delete[] myBuffer;
}
void VConsole::activate()
{
myActive = 1;
}
void VConsole::deactivate()
{
myActive = 0;
}
int VConsole::char_write(int c)
{
int cursorY = myCursorPosition / myWidth;
int cursorX = myCursorPosition % myWidth;
switch (myEscapeLevel)
{
case 2:
if (c >= '0' && c <= '9') // c is part of an escape value
{
myEscapeValue[myEscapePosition] *= 10;
myEscapeValue[myEscapePosition] += c - '0';
return 0;
}
else if (c == ';')
{
if (myEscapePosition < 7)
myEscapePosition++;
return 0;
}
switch (c)
{
case 'A': // move cursor up n rows
update_cursor_coord(cursorY - myEscapeValue[0], cursorX);
break;
case 'B': // move cursor down n rows
update_cursor_coord(cursorY + myEscapeValue[0], cursorX);
break;
case 'C': // move cursor left n columns
update_cursor_coord(cursorY, cursorX - myEscapeValue[0]);
break;
case 'D': // move cursor right n columns
update_cursor_coord(cursorY, cursorX + myEscapeValue[0]);
break;
case 'H':
case 'f': // move cursor to position (x,y) upper left is (1,1)
update_cursor_coord(myEscapeValue[1] - 1, myEscapeValue[0] - 1);
break;
case 'J': // clear screen, home cursor
memsetw(myBuffer, 0x0720, myWidth * myHeight);
// vconsole_draw(id);
update_cursor_coord(0, 0);
break;
case 'K': // erase line from cursor position (including char. under cursor) to end of line
memsetw(myBuffer + myCursorPosition, 0x0720, myWidth - cursorX);
// vconsole_draw(id);
break;
case 's': // push cursor position on an internal stack
if (myCursorStackPosition < 16)
myCursorStack[myCursorStackPosition++] = myCursorPosition;
break;
case 'u': // pop cursor position from stack
if (myCursorStackPosition > 0)
update_cursor(myCursorStack[--myCursorStackPosition]);
break;
case 'm': // set text attributes
for (int evalEscapePosition = 0; evalEscapePosition <= myEscapePosition; evalEscapePosition++)
{
switch (myEscapeValue[evalEscapePosition])
{
case 0:
myForeground = 0x07;
myBackground = myConcealed = myReverse = myBlink = myBold = 0;
update_attribute();
break;
case 1:
myBold = 1;
update_attribute();
break;
case 5:
myBlink = 1;
update_attribute();
break;
case 7:
myReverse = 1;
update_attribute();
break;
case 30: case 31: case 32: case 33: case 34: case 35: case 36: case 37:
myForeground = ansi2vgaAttr[myEscapeValue[evalEscapePosition] - 30];
update_attribute();
break;
case 40: case 41: case 42: case 43: case 44: case 45: case 46: case 47:
myBackground = ansi2vgaAttr[myEscapeValue[evalEscapePosition] - 40];
update_attribute();
break;
}
}
myEscapePosition = 0;
break;
}
memsetd(myEscapeValue, 0, 8);
myEscapePosition = 0;
myEscapeLevel = 0;
return 0;
case 1:
if (c == '[')
myEscapeLevel = 2;
break;
myEscapeLevel = 0;
return 0; // invalid escape sequence
default:
if (c == '\e')
{
myEscapeLevel = 1;
return 0;
}
put_char(c);
}
return 0;
}
void VConsole::put_char(int c)
{
if (!myConcealed)
{
switch (c)
{
case '\t':
if (myCursorPosition % 8)
update_cursor(myCursorPosition + (8 - (myCursorPosition % 8)));
else
update_cursor(myCursorPosition + 8);
break;
case '\n':
if (myCursorPosition % myWidth)
update_cursor(myCursorPosition + (myWidth - (myCursorPosition % myWidth)));
else
update_cursor(myCursorPosition + myWidth);
break;
default:
myBuffer[myCursorPosition] = c | (myAttribute << 8);
// if (myActive)
// display_console_put_char(c | (myAttribute << 8), myCursorPosition);
update_cursor(myCursorPosition + 1);
}
}
}
void VConsole::update_cursor_coord(int y, int x)
{
if (y < 0)
y = 0;
else if (y >= myHeight)
y = myHeight - 1;
if (x < 0)
x = 0;
else if (x >= myWidth)
x = myWidth - 1;
update_cursor(myWidth * y + x);
}
void VConsole::update_cursor(u16_t position)
{
myCursorPosition = position;
if (position >= (myWidth * myHeight)) // time to scroll console
{
int i;
for (i = 0; i < myCursorStackPosition; i++)
{
myCursorStack[i] -= myWidth;
if (myCursorStack[i] < 0)
myCursorStack[i] = 0;
}
myCursorPosition -= myWidth;
memcpyw(myBuffer, myBuffer + myWidth, myWidth * (myHeight - 1));
memsetw(myBuffer + (myWidth * (myHeight - 1)), 0x0720, myWidth);
// if (myActive)
// {
// vconsole_draw(id);
// return;
// }
}
// if (myActive)
// display_console_update_cursor(id, position);
}
void VConsole::update_attribute()
{
if (myReverse)
myAttribute = myBlink << 7 | myForeground << 4 | myBold << 3 | myBackground;
else
myAttribute = myBlink << 7 | myBackground << 4 | myBold << 3 | myForeground;
}
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// vconsole.h
// Author: Josh Holtrop
// Date: 08/02/04
// Modified: 08/07/04
// Modified: 05/11/05
#ifndef __HOS_VCONSOLE__
#define __HOS_VCONSOLE__ __HOS_VCONSOLE__
#define VCONSOLE_MAX 7
#ifdef _HOS_CPP_
extern "C" {
#endif
#include "hos_defines.h"
#include "fs/devices.h"
#define VCONSOLE_MAX 16
void vconsole_setup(int width, int height);
typedef struct
#ifdef _HOS_CPP_
}
#include "devices.h"
class VConsoleDriver : public DeviceDriver
{
u16_t *buffer;
u32_t escapeValue[8];
u16_t cursorPosition;
u16_t width;
u16_t height;
short cursorStack[16];
public:
~VConsoleDriver();
int char_write(minor_t minor, int c);
};
u8_t attribute;
u8_t foreground;
u8_t background;
u8_t bold;
u8_t reverse;
u8_t blink;
u8_t concealed;
class VConsole
{
protected:
u16_t *myBuffer;
u16_t myWidth;
u16_t myHeight;
u16_t myCursorPosition;
u8_t cursorStackPosition;
u8_t escapeLevel;
u8_t escapePosition;
} vconsole_t;
short myCursorStack[16];
u8_t myCursorStackPosition;
int vconsole_init(major_t major);
minor_t vconsole_new(int width, int height);
int vconsole_draw(minor_t id);
int vconsole_char_write(minor_t id, int c);
u32_t myEscapeValue[8];
u8_t myEscapeLevel;
u8_t myEscapePosition;
u8_t myAttribute;
u8_t myForeground;
u8_t myBackground;
u8_t myBold;
u8_t myReverse;
u8_t myBlink;
u8_t myConcealed;
u8_t myActive;
public:
VConsole(int width, int height);
~VConsole();
int char_read();
int char_write(int c);
void put_char(int c);
void update_cursor(u16_t position);
void update_cursor_coord(int y, int x);
void update_attribute();
void activate();
void deactivate();
};
#endif
#endif