diff options
Diffstat (limited to 'qemu/roms/openbios/arch/amd64/console.c')
| -rw-r--r-- | qemu/roms/openbios/arch/amd64/console.c | 417 |
1 files changed, 0 insertions, 417 deletions
diff --git a/qemu/roms/openbios/arch/amd64/console.c b/qemu/roms/openbios/arch/amd64/console.c deleted file mode 100644 index 71a22b681..000000000 --- a/qemu/roms/openbios/arch/amd64/console.c +++ /dev/null @@ -1,417 +0,0 @@ -/* - * Copyright (C) 2003, 2004 Stefan Reinauer - * - * See the file "COPYING" for further information about - * the copyright and warranty status of this work. - */ - -#include "config.h" -#include "kernel/kernel.h" -#include "openbios.h" - -#ifdef CONFIG_DEBUG_CONSOLE - -/* ****************************************************************** - * serial console functions - * ****************************************************************** */ - -#ifdef CONFIG_DEBUG_CONSOLE_SERIAL - -#define RBR(x) x==2?0x2f8:0x3f8 -#define THR(x) x==2?0x2f8:0x3f8 -#define IER(x) x==2?0x2f9:0x3f9 -#define IIR(x) x==2?0x2fa:0x3fa -#define LCR(x) x==2?0x2fb:0x3fb -#define MCR(x) x==2?0x2fc:0x3fc -#define LSR(x) x==2?0x2fd:0x3fd -#define MSR(x) x==2?0x2fe:0x3fe -#define SCR(x) x==2?0x2ff:0x3ff -#define DLL(x) x==2?0x2f8:0x3f8 -#define DLM(x) x==2?0x2f9:0x3f9 - -static int uart_charav(int port) -{ - if (!port) - return -1; - return ((inb(LSR(port)) & 1) != 0); -} - -static char uart_getchar(int port) -{ - if (!port) - return -1; - while (!uart_charav(port)); - return ((char) inb(RBR(port)) & 0177); -} - -static void uart_putchar(int port, unsigned char c) -{ - if (!port) - return; - if (c == '\n') - uart_putchar(port, '\r'); - while (!(inb(LSR(port)) & 0x20)); - outb(c, THR(port)); -} - -static void uart_init_line(int port, unsigned long baud) -{ - int i, baudconst; - - if (!port) - return; - - switch (baud) { - case 115200: - baudconst = 1; - break; - case 57600: - baudconst = 2; - break; - case 38400: - baudconst = 3; - break; - case 19200: - baudconst = 6; - break; - case 9600: - default: - baudconst = 12; - break; - } - - outb(0x87, LCR(port)); - outb(0x00, DLM(port)); - outb(baudconst, DLL(port)); - outb(0x07, LCR(port)); - outb(0x0f, MCR(port)); - - for (i = 10; i > 0; i--) { - if (inb(LSR(port)) == (unsigned int) 0) - break; - inb(RBR(port)); - } -} - -int uart_init(int port, unsigned long speed) -{ - if (port) - uart_init_line(port, speed); - return -1; -} - -static void serial_putchar(int c) -{ - uart_putchar(CONFIG_SERIAL_PORT, (unsigned char) (c & 0xff)); -} - -static void serial_cls(void) -{ - serial_putchar(27); - serial_putchar('['); - serial_putchar('H'); - serial_putchar(27); - serial_putchar('['); - serial_putchar('J'); -} - -#endif - -/* ****************************************************************** - * simple polling video/keyboard console functions - * ****************************************************************** */ - -#ifdef CONFIG_DEBUG_CONSOLE_VGA - -/* raw vga text mode */ -#define COLUMNS 80 /* The number of columns. */ -#define LINES 25 /* The number of lines. */ -#define ATTRIBUTE 7 /* The attribute of an character. */ - -#define VGA_BASE 0xB8000 /* The video memory address. */ - -/* VGA Index and Data Registers */ -#define VGA_REG_INDEX 0x03D4 /* VGA index register */ -#define VGA_REG_DATA 0x03D5 /* VGA data register */ - -#define VGA_IDX_CURMSL 0x09 /* cursor maximum scan line */ -#define VGA_IDX_CURSTART 0x0A /* cursor start */ -#define VGA_IDX_CUREND 0x0B /* cursor end */ -#define VGA_IDX_CURLO 0x0F /* cursor position (low 8 bits) */ -#define VGA_IDX_CURHI 0x0E /* cursor position (high 8 bits) */ - -/* Save the X and Y position. */ -static int xpos, ypos; -/* Point to the video memory. */ -static volatile unsigned char *video = (unsigned char *) VGA_BASE; - -static void video_initcursor(void) -{ - u8 val; - outb(VGA_IDX_CURMSL, VGA_REG_INDEX); - val = inb(VGA_REG_DATA) & 0x1f; /* maximum scan line -1 */ - - outb(VGA_IDX_CURSTART, VGA_REG_INDEX); - outb(0, VGA_REG_DATA); - - outb(VGA_IDX_CUREND, VGA_REG_INDEX); - outb(val, VGA_REG_DATA); -} - - - -static void video_poscursor(unsigned int x, unsigned int y) -{ - unsigned short pos; - - /* Calculate new cursor position as a function of x and y */ - pos = (y * COLUMNS) + x; - - /* Output the new position to VGA card */ - outb(VGA_IDX_CURLO, VGA_REG_INDEX); /* output low 8 bits */ - outb((u8) (pos), VGA_REG_DATA); - outb(VGA_IDX_CURHI, VGA_REG_INDEX); /* output high 8 bits */ - outb((u8) (pos >> 8), VGA_REG_DATA); - -}; - - -static void video_newline(void) -{ - xpos = 0; - - if (ypos < LINES - 1) { - ypos++; - } else { - int i; - memmove((void *) video, (void *) (video + 2 * COLUMNS), - (LINES - 1) * COLUMNS * 2); - - for (i = ((LINES - 1) * 2 * COLUMNS); - i < 2 * COLUMNS * LINES;) { - video[i++] = 0; - video[i++] = ATTRIBUTE; - } - } - -} - -/* Put the character C on the screen. */ -static void video_putchar(int c) -{ - int p=1; - - if (c == '\n' || c == '\r') { - video_newline(); - return; - } - - if (c == '\b') { - if (xpos) xpos--; - c=' '; - p=0; - } - - - if (xpos >= COLUMNS) - video_newline(); - - *(video + (xpos + ypos * COLUMNS) * 2) = c & 0xFF; - *(video + (xpos + ypos * COLUMNS) * 2 + 1) = ATTRIBUTE; - - if (p) - xpos++; - - video_poscursor(xpos, ypos); -} - -static void video_cls(void) -{ - int i; - - for (i = 0; i < 2 * COLUMNS * LINES;) { - video[i++] = 0; - video[i++] = ATTRIBUTE; - } - - - xpos = 0; - ypos = 0; - - video_initcursor(); - video_poscursor(xpos, ypos); -} - -void video_init(void) -{ - video=phys_to_virt((unsigned char*)VGA_BASE); -} - -/* - * keyboard driver - */ - -static char normal[] = { - 0x0, 0x1b, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', - '=', '\b', '\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', - 'p', '[', ']', 0xa, 0x0, 'a', 's', 'd', 'f', 'g', 'h', 'j', - 'k', 'l', ';', 0x27, 0x60, 0x0, 0x5c, 'z', 'x', 'c', 'v', 'b', - 'n', 'm', ',', '.', '/', 0x0, '*', 0x0, ' ', 0x0, 0x0, 0x0, - 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, - 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '0', 0x7f -}; - -static char shifted[] = { - 0x0, 0x1b, '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', - '+', '\b', '\t', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', - 'P', '{', '}', 0xa, 0x0, 'A', 'S', 'D', 'F', 'G', 'H', 'J', - 'K', 'L', ':', 0x22, '~', 0x0, '|', 'Z', 'X', 'C', 'V', 'B', - 'N', 'M', '<', '>', '?', 0x0, '*', 0x0, ' ', 0x0, 0x0, 0x0, - 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '7', '8', - '9', 0x0, '4', '5', '6', 0x0, '1', '2', '3', '0', 0x7f -}; - -static int key_ext; -static int key_lshift = 0, key_rshift = 0, key_caps = 0; - -static char last_key; - -static void keyboard_cmd(unsigned char cmd, unsigned char val) -{ - outb(cmd, 0x60); - /* wait until keyboard controller accepts cmds: */ - while (inb(0x64) & 2); - outb(val, 0x60); - while (inb(0x64) & 2); -} - -static char keyboard_poll(void) -{ - unsigned int c; - if (inb(0x64) & 1) { - c = inb(0x60); - switch (c) { - case 0xe0: - key_ext = 1; - return 0; - case 0x2a: - key_lshift = 1; - return 0; - case 0x36: - key_rshift = 1; - return 0; - case 0xaa: - key_lshift = 0; - return 0; - case 0xb6: - key_rshift = 0; - return 0; - case 0x3a: - if (key_caps) { - key_caps = 0; - keyboard_cmd(0xed, 0); - } else { - key_caps = 1; - keyboard_cmd(0xed, 4); /* set caps led */ - } - return 0; - } - - if (key_ext) { - // void printk(const char *format, ...); - printk("extended keycode: %x\n", c); - - key_ext = 0; - return 0; - } - - if (c & 0x80) /* unhandled key release */ - return 0; - - if (key_lshift || key_rshift) - return key_caps ? normal[c] : shifted[c]; - else - return key_caps ? shifted[c] : normal[c]; - } - return 0; -} - -static int keyboard_dataready(void) -{ - if (last_key) - return 1; - - last_key = keyboard_poll(); - - return (last_key != 0); -} - -static unsigned char keyboard_readdata(void) -{ - char tmp; - while (!keyboard_dataready()); - tmp = last_key; - last_key = 0; - return tmp; -} -#endif - - -/* ****************************************************************** - * common functions, implementing simple concurrent console - * ****************************************************************** */ - -int arch_putchar(int c) -{ -#ifdef CONFIG_DEBUG_CONSOLE_SERIAL - serial_putchar(c); -#endif -#ifdef CONFIG_DEBUG_CONSOLE_VGA - video_putchar(c); -#endif - return c; -} - -int arch_availchar(void) -{ -#ifdef CONFIG_DEBUG_CONSOLE_SERIAL - if (uart_charav(CONFIG_SERIAL_PORT)) - return 1; -#endif -#ifdef CONFIG_DEBUG_CONSOLE_VGA - if (keyboard_dataready()) - return 1; -#endif - return 0; -} - -int arch_getchar(void) -{ -#ifdef CONFIG_DEBUG_CONSOLE_SERIAL - if (uart_charav(CONFIG_SERIAL_PORT)) - return (uart_getchar(CONFIG_SERIAL_PORT)); -#endif -#ifdef CONFIG_DEBUG_CONSOLE_VGA - if (keyboard_dataready()) - return (keyboard_readdata()); -#endif - return 0; -} - -void cls(void) -{ -#ifdef CONFIG_DEBUG_CONSOLE_SERIAL - serial_cls(); -#endif -#ifdef CONFIG_DEBUG_CONSOLE_VGA - video_cls(); -#endif -} - -struct _console_ops arch_console_ops = { - .putchar = arch_putchar, - .availchar = arch_availchar, - .getchar = arch_getchar -}; - -#endif // CONFIG_DEBUG_CONSOLE |