More churn moving files around.

[netwatch.git] / video / text.c

diff --git a/video/text.c b/video/text.c
deleted file mode 100644 (file)
index 4f26b8e..0000000
--- a/video/text.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/* text.c
- * Text console checksum and rendering functions
- * NetWatch system management mode administration console
- *
- * Copyright (c) 2008 Jacob Potter and Joshua Wise.  All rights reserved.
- * This program is free software; you can redistribute and/or modify it under
- * the terms found in the file LICENSE in the root of this source tree.
- *
- */
-
-#include <io.h>
-#include <text.h>
-#include <paging.h>
-#include <minilib.h>
-#include <stdint.h>
-#include <output.h>
-#include <smram.h>
-#include <crc32.h>
-#include <video_defines.h>
-
-static unsigned char _font[256 * 32];
-
-/* XXX reunify this with vga-overlay? */
-#define VRAM_BASE              0xA0000UL
-#define TEXT_CONSOLE_OFFSET    0x18000UL 
-
-#define TEXT_CONSOLE_BASE      (VRAM_BASE + TEXT_CONSOLE_OFFSET)
-
-static unsigned char vga_read(unsigned char idx)
-{
-       outb(CRTC_IDX_REG, idx);
-       return inb(CRTC_DATA_REG);
-}
-
-static char * vga_base()
-{
-       return (char *) (
-               TEXT_CONSOLE_BASE
-               + (((unsigned int) vga_read(CRTC_START_ADDR_MSB_IDX)) << 9)
-               + (((unsigned int) vga_read(CRTC_START_ADDR_LSB_IDX)) << 1)
-       );
-}
-
-/* Must be called from a firstrun context, where we don't care about saving
- * 0x3CE state. */
-void text_init()
-{
-       unsigned char oldread;
-
-       smram_state_t old_state = smram_save_state();
-       outb(0x3CE, 0x06 /* Miscellaneous */);
-       outb(0x3CF, 0x0C);
-       outb(0x3C4, 0x04 /* Seq memory mode */);
-       outb(0x3C5, inb(0x3C5) | 0x04);
-       outb(0x3CE, 0x05 /* Mode */);
-       outb(0x3CF, inb(0x3CF) & ~0x10);
-       outb(0x3CE, 0x04 /* Read register */);
-       oldread = inb(0x3CF);
-       outb(0x3CF, 0x02 /* Font plane */);
-
-       smram_aseg_set_state(SMRAM_ASEG_SMMCODE);
-       memcpy(_font, p2v(0xB8000), sizeof(_font));
-       smram_restore_state(old_state);
-
-       outb(0x3CF, oldread);
-       outb(0x3CE, 0x06 /* Miscellaneous */);
-       outb(0x3CF, 0x0E);
-       outb(0x3CE, 0x05 /* Mode */);
-       outb(0x3CF, inb(0x3CF) | 0x10);
-       outb(0x3C4, 0x04 /* Seq memory mode */);
-       outb(0x3C5, inb(0x3C5) & ~0x04);
-}
-
-void text_render(char *buf, int x, int y, int w, int h)
-{
-       unsigned char *video = (unsigned char *)vga_base();
-       unsigned int textx = x / 9;
-       unsigned int texty = y / 16;
-       unsigned int cx, cy;
-       unsigned char ch, at, font;
-       smram_state_t old_state = smram_save_state();
-/*
-       outputf("text_render: (%d,%d),(%d,%d)", x, y, w, h);
-*/     
-       smram_aseg_set_state(SMRAM_ASEG_SMMCODE);
-       for (cy = y; cy < (y + h); cy++)
-       {
-               cx = x;
-               texty = cy / 16;
-               textx = cx / 9;
-               ch = video[texty * 160 + textx * 2];
-               at = video[texty * 160 + textx * 2 + 1];
-               font = _font[ch * 32 + cy % 16];
-               for (cx = x; cx < (x + w); cx++)
-               {
-                       unsigned int pos = cx % 8;
-                       if (pos == 0)
-                       {
-                               textx = cx / 8;
-                               ch = video[texty * 160 + textx * 2];
-                               at = video[texty * 160 + textx * 2 + 1];
-                               font = _font[ch * 32 + cy % 16];
-                       }
-                       /* XXX always BGR888 */
-                       if (pos == 8)   /* 9th pixel is cloned */
-                               pos = 7;
-                       if ((font >> (7 - pos)) & 1)
-                       {
-                               *(buf++) = (at & 0x01) ? 0xFF : 0x00;
-                               *(buf++) = (at & 0x02) ? 0xFF : 0x00;
-                               *(buf++) = (at & 0x04) ? 0xFF : 0x00;
-                       } else {
-                               *(buf++) = (at & 0x10) ? 0xFF : 0x00;
-                               *(buf++) = (at & 0x20) ? 0xFF : 0x00;
-                               *(buf++) = (at & 0x40) ? 0xFF : 0x00;
-                       }
-                       *(buf++) = 0;
-               }
-       }
-       smram_restore_state(old_state);
-}
-
-uint32_t text_checksum(int x, int y, int w, int h)
-{
-       unsigned char *video = (unsigned char *)vga_base();
-       unsigned int textx = x / 8;
-       unsigned int texty = y / 16;
-       int cx, cy;
-       uint32_t cksm = 0;
-       smram_state_t old_state = smram_save_state();
-       
-       smram_aseg_set_state(SMRAM_ASEG_SMMCODE);
-       
-       for (cy = y; cy < (y + h); cy++)
-       {
-               cx = x;
-               texty = cy / 16;
-               textx = cx / 8;
-               cksm = crc32(video + texty * 160 + textx * 2, (w / 8) * 2 + 2, cksm);   /* Err on the side of 'too many'. */
-       }
-       
-       smram_restore_state(old_state);
-       
-       return cksm;
-}