| 43,6 → 43,15 |
|---|
| #include "../console/screenbuffer.h" |
| #include "main.h" |
| |
| |
| #define EGA_IO_ADDRESS 0x3d4 |
| #define EGA_IO_SIZE 2 |
| |
| typedef unsigned char u8; |
| typedef unsigned short u16; |
| typedef unsigned int u32; |
| |
| |
| /* Allow only 1 connection */ |
| static int client_connected = 0; |
| |
| 52,6 → 61,48 |
|---|
| |
| static unsigned int style = 0x0f; |
| |
| static inline void outb(u16 port, u8 b) |
| { |
| asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port)); |
| } |
| |
| static inline void outw(u16 port, u16 w) |
| { |
| asm volatile ("outw %0, %1\n" :: "a" (w), "d" (port)); |
| } |
| |
| static inline void outl(u16 port, u32 l) |
| { |
| asm volatile ("outl %0, %1\n" :: "a" (l), "d" (port)); |
| } |
| |
| static inline u8 inb(u16 port) |
| { |
| u8 val; |
| |
| asm volatile ("inb %1, %0 \n" : "=a" (val) : "d"(port)); |
| return val; |
| } |
| |
| static inline u16 inw(u16 port) |
| { |
| u16 val; |
| |
| asm volatile ("inw %1, %0 \n" : "=a" (val) : "d"(port)); |
| return val; |
| } |
| |
| static inline u32 inl(u16 port) |
| { |
| u32 val; |
| |
| asm volatile ("inl %1, %0 \n" : "=a" (val) : "d"(port)); |
| return val; |
| } |
| |
| |
| |
| |
| static void clrscr(void) |
| { |
| int i; |
| 62,10 → 113,42 |
|---|
| } |
| } |
| |
| void cursor_goto(unsigned int row, unsigned int col) |
| { |
| int ega_cursor; |
| |
| ega_cursor=col+scr_width*row; |
| |
| outb(EGA_IO_ADDRESS , 0xe); |
| outb(EGA_IO_ADDRESS + 1, (ega_cursor >>8) & 0xff); |
| outb(EGA_IO_ADDRESS , 0xf); |
| outb(EGA_IO_ADDRESS + 1, ega_cursor & 0xff); |
| } |
| |
| void cursor_disable(void) |
| { |
| u8 stat; |
| outb(EGA_IO_ADDRESS , 0xa); |
| stat=inb(EGA_IO_ADDRESS + 1); |
| outb(EGA_IO_ADDRESS , 0xa); |
| outb(EGA_IO_ADDRESS +1 ,stat | (1<<5) ); |
| } |
| |
| void cursor_enable(void) |
| { |
| u8 stat; |
| outb(EGA_IO_ADDRESS , 0xa); |
| stat=inb(EGA_IO_ADDRESS + 1); |
| outb(EGA_IO_ADDRESS , 0xa); |
| outb(EGA_IO_ADDRESS +1 ,stat & (~(1<<5)) ); |
| } |
| |
| static void printchar(char c, unsigned int row, unsigned int col) |
| { |
| scr_addr[(row*scr_width + col)*2] = c; |
| scr_addr[(row*scr_width + col)*2+1] = style; |
| |
| cursor_goto(row,col+1); |
| } |
| |
| static void draw_text_data(keyfield_t *data) |
| 141,6 → 224,23 |
|---|
| printchar(c,row,col); |
| retval = 0; |
| break; |
| case FB_CURSOR_GOTO: |
| row = IPC_GET_ARG1(call); |
| col = IPC_GET_ARG2(call); |
| if (row >= scr_height || col >= scr_width) { |
| retval = EINVAL; |
| break; |
| } |
| cursor_goto(row,col); |
| retval = 0; |
| break; |
| case FB_CURSOR_VISIBILITY: |
| if(IPC_GET_ARG1(call)) |
| cursor_enable(); |
| else |
| cursor_disable(); |
| retval = 0; |
| break; |
| case FB_SET_STYLE: |
| fgcolor = IPC_GET_ARG1(call); |
| bgcolor = IPC_GET_ARG2(call); |
| 164,6 → 264,7 |
|---|
| ega_ph_addr=(void *)sysinfo_value("fb.address.physical"); |
| scr_width=sysinfo_value("fb.width"); |
| scr_height=sysinfo_value("fb.height"); |
| iospace_enable(task_get_id(),(void *)EGA_IO_ADDRESS,2); |
| |
| sz = scr_width*scr_height*2; |
| scr_addr = as_get_mappable_page(sz); |
| 177,3 → 278,4 |
|---|
| |
| return 0; |
| } |
| |