summaryrefslogtreecommitdiff
path: root/src/console/btext_console.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/console/btext_console.c')
-rw-r--r--src/console/btext_console.c454
1 files changed, 0 insertions, 454 deletions
diff --git a/src/console/btext_console.c b/src/console/btext_console.c
deleted file mode 100644
index 56d893e36e..0000000000
--- a/src/console/btext_console.c
+++ /dev/null
@@ -1,454 +0,0 @@
-/*
- * Procedures for drawing on the screen early on in the boot process.
- *
- * Benjamin Herrenschmidt <benh@kernel.crashing.org>
- *
- * move to coreboot by LYH yhlu@tyan.com
- */
-
-#if 0
-
-#include <delay.h>
-#include <stdlib.h>
-#include <string.h>
-#include <arch/io.h>
-
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <device/pci_ops.h>
-
-#endif
-
-#include <arch/io.h>
-#include <string.h>
-#include <console/console.h>
-
-
-#include <arch/byteorder.h>
-
-#include <console/btext.h>
-
-//#define NO_SCROLL
-
-#ifndef NO_SCROLL
-static void scrollscreen(void);
-#endif
-
-static void draw_byte(unsigned char c, u32 locX, u32 locY);
-#if 0
-static void draw_byte_32(unsigned char *bits, u32 *base, u32 rb);
-static void draw_byte_16(unsigned char *bits, u32 *base, u32 rb);
-#endif
-static void draw_byte_8(unsigned char *bits, u32 *base, u32 rb);
-
-static u32 g_loc_X;
-static u32 g_loc_Y;
-static u32 g_max_loc_X;
-static u32 g_max_loc_Y;
-
-#define CHAR_256 0
-
-#if CHAR_256==1
-#define cmapsz (16*256)
-#else
-#define cmapsz (16*96)
-#endif
-
-extern unsigned char vga_font[cmapsz];
-
-u32 boot_text_mapped;
-
-boot_infos_t disp_bi;
-
-#define BTEXT
-#define BTDATA
-
-
-/* This function will enable the early boot text when doing OF booting. This
- * way, xmon output should work too
- */
-void
-btext_setup_display(u32 width, u32 height, u32 depth, u32 pitch,
- unsigned long address)
-{
- boot_infos_t* bi = &disp_bi;
-
- g_loc_X = 0;
- g_loc_Y = 0;
- g_max_loc_X = width / 8;
- g_max_loc_Y = height / 16;
-// bi->logicalDisplayBase = (unsigned char *)address;
- bi->dispDeviceBase = (unsigned char *)address;
- bi->dispDeviceRowBytes = pitch;
- bi->dispDeviceDepth = depth;
- bi->dispDeviceRect[0] = bi->dispDeviceRect[1] = 0;
- bi->dispDeviceRect[2] = width;
- bi->dispDeviceRect[3] = height;
- boot_text_mapped = 0;
-}
-
-/* Here's a small text engine to use during early boot
- * or for debugging purposes
- *
- * todo:
- *
- * - build some kind of vgacon with it to enable early printk
- * - move to a separate file
- * - add a few video driver hooks to keep in sync with display
- * changes.
- */
-
-void
-map_boot_text(void)
-{
-#if 0
- unsigned long base, offset, size;
- boot_infos_t *bi = &disp_bi;
-
- if (bi->dispDeviceBase == 0)
- return;
- base = ((unsigned long) bi->dispDeviceBase) & 0xFFFFF000UL;
- offset = ((unsigned long) bi->dispDeviceBase) - base;
- size = bi->dispDeviceRowBytes * bi->dispDeviceRect[3] + offset
- + bi->dispDeviceRect[0];
- bi->logicalDisplayBase = ioremap(base,0x800000 );
- if (bi->logicalDisplayBase == 0)
- return;
-// bi->logicalDisplayBase += offset;
-#endif
- boot_text_mapped = 1;
-}
-
-/* Calc the base address of a given point (x,y) */
-static unsigned char * BTEXT
-calc_base(boot_infos_t *bi, u32 x, u32 y)
-{
- unsigned char *base;
-#if 0
- base = bi->logicalDisplayBase;
- if (base == 0)
-#endif
- base = bi->dispDeviceBase;
- base += (x + bi->dispDeviceRect[0]) * (bi->dispDeviceDepth >> 3);
- base += (y + bi->dispDeviceRect[1]) * bi->dispDeviceRowBytes;
- return base;
-}
-
-/* Adjust the display to a new resolution */
-void
-btext_update_display(unsigned long phys, u32 width, u32 height,
- u32 depth, u32 pitch)
-{
- boot_infos_t *bi = &disp_bi;
-#if 0
- if (bi->dispDeviceBase == 0)
- return;
- /* check it's the same frame buffer (within 256MB) */
- if ((phys ^ (unsigned long)bi->dispDeviceBase) & 0xf0000000)
- return;
-#endif
-
- bi->dispDeviceBase = (u8 *) phys;
- bi->dispDeviceRect[0] = 0;
- bi->dispDeviceRect[1] = 0;
- bi->dispDeviceRect[2] = width;
- bi->dispDeviceRect[3] = height;
- bi->dispDeviceDepth = depth;
- bi->dispDeviceRowBytes = pitch;
- if (boot_text_mapped) {
-#if 0
- iounmap(bi->logicalDisplayBase);
-#endif
- boot_text_mapped = 0;
- }
- map_boot_text();
- g_loc_X = 0;
- g_loc_Y = 0;
- g_max_loc_X = width / 8;
- g_max_loc_Y = height / 16;
-}
-
-void BTEXT btext_clearscreen(void)
-{
- boot_infos_t* bi = &disp_bi;
- u32 *base = (u32 *)calc_base(bi, 0, 0);
- u32 width = ((bi->dispDeviceRect[2] - bi->dispDeviceRect[0]) *
- (bi->dispDeviceDepth >> 3)) >> 2;
- u32 i,j;
-
- for (i=0; i<(bi->dispDeviceRect[3] - bi->dispDeviceRect[1]); i++)
- {
- u32 *ptr = base;
- for(j=width; j; --j)
- *(ptr++) = 0;
- base += (bi->dispDeviceRowBytes >> 2);
- }
-}
-
-#if 0
-__inline__ void dcbst(const void* addr)
-{
- __asm__ __volatile__ ("dcbst 0,%0" :: "r" (addr));
-}
-
-void BTEXT btext_flushscreen(void)
-{
- boot_infos_t* bi = &disp_bi;
- u32 *base = (unsigned long *)calc_base(bi, 0, 0);
- u32 width = ((bi->dispDeviceRect[2] - bi->dispDeviceRect[0]) *
- (bi->dispDeviceDepth >> 3)) >> 2;
- u32 i,j;
-
- for (i=0; i<(bi->dispDeviceRect[3] - bi->dispDeviceRect[1]); i++)
- {
- u32 *ptr = base;
- for(j=width; j>0; j-=8) {
- dcbst(ptr);
- ptr += 8;
- }
- base += (bi->dispDeviceRowBytes >> 2);
- }
-}
-#endif
-
-
-#ifndef NO_SCROLL
-static BTEXT void
-scrollscreen(void)
-{
- boot_infos_t* bi = &disp_bi;
- u32 *src = (u32 *)calc_base(bi,0,16);
- u32 *dst = (u32 *)calc_base(bi,0,0);
- u32 width = ((bi->dispDeviceRect[2] - bi->dispDeviceRect[0]) *
- (bi->dispDeviceDepth >> 3)) >> 2;
- u32 i,j;
-
- for (i=0; i<(bi->dispDeviceRect[3] - bi->dispDeviceRect[1] - 16); i++)
- {
- u32 *src_ptr = src;
- u32 *dst_ptr = dst;
- for(j=width; j; --j)
- *(dst_ptr++) = *(src_ptr++);
- src += (bi->dispDeviceRowBytes >> 2);
- dst += (bi->dispDeviceRowBytes >> 2);
- }
- for (i=0; i<16; i++)
- {
- u32 *dst_ptr = dst;
- for(j=width; j; --j)
- *(dst_ptr++) = 0;
- dst += (bi->dispDeviceRowBytes >> 2);
- }
-}
-#endif /* ndef NO_SCROLL */
-
-void BTEXT btext_drawchar(char c)
-{
- u32 cline = 0;
-
- if (!boot_text_mapped)
- return;
-
- switch (c) {
- case '\b':
- if (g_loc_X > 0)
- --g_loc_X;
- break;
- case '\t':
- g_loc_X = (g_loc_X & -8) + 8;
- break;
- case '\r':
- g_loc_X = 0;
- break;
- case '\n':
- g_loc_X = 0;
- g_loc_Y++;
- cline = 1;
- break;
- default:
- draw_byte(c, g_loc_X++, g_loc_Y);
- }
- if (g_loc_X >= g_max_loc_X) {
- g_loc_X = 0;
- g_loc_Y++;
- cline = 1;
- }
-#ifndef NO_SCROLL
- while (g_loc_Y >= g_max_loc_Y) {
- scrollscreen();
- g_loc_Y--;
- }
-#else
- /* wrap around from bottom to top of screen so we don't
- waste time scrolling each line. -- paulus. */
- if (g_loc_Y >= g_max_loc_Y)
- g_loc_Y = 0;
- if (cline) {
- for (x = 0; x < g_max_loc_X; ++x)
- draw_byte(' ', x, g_loc_Y);
- }
-#endif
-}
-#if 0
-void BTEXT
-btext_drawstring(const char *c)
-{
- if (!boot_text_mapped)
- return;
- while (*c)
- btext_drawchar(*c++);
-}
-
-void BTEXT
-btext_drawhex(u32 v)
-{
- static char hex_table[] = "0123456789abcdef";
-
- if (!boot_text_mapped)
- return;
- btext_drawchar(hex_table[(v >> 28) & 0x0000000FUL]);
- btext_drawchar(hex_table[(v >> 24) & 0x0000000FUL]);
- btext_drawchar(hex_table[(v >> 20) & 0x0000000FUL]);
- btext_drawchar(hex_table[(v >> 16) & 0x0000000FUL]);
- btext_drawchar(hex_table[(v >> 12) & 0x0000000FUL]);
- btext_drawchar(hex_table[(v >> 8) & 0x0000000FUL]);
- btext_drawchar(hex_table[(v >> 4) & 0x0000000FUL]);
- btext_drawchar(hex_table[(v >> 0) & 0x0000000FUL]);
- btext_drawchar(' ');
-}
-#endif
-static void BTEXT
-draw_byte(unsigned char c, u32 locX, u32 locY)
-{
- boot_infos_t* bi = &disp_bi;
- unsigned char *base = calc_base(bi, locX << 3, locY << 4);
-#if CHAR_256==1
- unsigned char *font = &vga_font[((u32)c) * 16];
-#else
- unsigned char *font = &vga_font[((u32)c-0x20) * 16]; // skip the first 0x20
-#endif
- u32 rb = bi->dispDeviceRowBytes;
-
- switch(bi->dispDeviceDepth) {
-#if 0
- case 24:
- case 32:
- draw_byte_32(font, (u32 *)base, rb);
- break;
- case 15:
- case 16:
- draw_byte_16(font, (u32 *)base, rb);
- break;
-#endif
- case 8:
- draw_byte_8(font, (u32 *)base, rb);
- break;
- }
-}
-static u32 expand_bits_8[16] BTDATA = {
-#if defined(__BIG_ENDIAN)
- 0x00000000,0x000000ff,0x0000ff00,0x0000ffff,
- 0x00ff0000,0x00ff00ff,0x00ffff00,0x00ffffff,
- 0xff000000,0xff0000ff,0xff00ff00,0xff00ffff,
- 0xffff0000,0xffff00ff,0xffffff00,0xffffffff
-#elif defined(__LITTLE_ENDIAN)
- 0x00000000,0xff000000,0x00ff0000,0xffff0000,
- 0x0000ff00,0xff00ff00,0x00ffff00,0xffffff00,
- 0x000000ff,0xff0000ff,0x00ff00ff,0xffff00ff,
- 0x0000ffff,0xff00ffff,0x00ffffff,0xffffffff
-#else
-#error FIXME: No endianness??
-#endif
-};
-#if 0
-static const u32 expand_bits_16[4] BTDATA = {
-#if defined(__BIG_ENDIAN)
- 0x00000000, 0x0000ffff, 0xffff0000, 0xffffffff
-#elif defined(__LITTLE_ENDIAN)
- 0x00000000, 0xffff0000, 0x0000ffff, 0xffffffff
-#else
-#error FIXME: No endianness??
-#endif
-};
-#endif
-#if 0
-static void BTEXT
-draw_byte_32(unsigned char *font, u32 *base, u32 rb)
-{
- u32 l, bits;
- u32 fg = 0xFFFFFFFF;
- u32 bg = 0x00000000;
-
- for (l = 0; l < 16; ++l)
- {
- bits = *font++;
- base[0] = (-(bits >> 7) & fg) ^ bg;
- base[1] = (-((bits >> 6) & 1) & fg) ^ bg;
- base[2] = (-((bits >> 5) & 1) & fg) ^ bg;
- base[3] = (-((bits >> 4) & 1) & fg) ^ bg;
- base[4] = (-((bits >> 3) & 1) & fg) ^ bg;
- base[5] = (-((bits >> 2) & 1) & fg) ^ bg;
- base[6] = (-((bits >> 1) & 1) & fg) ^ bg;
- base[7] = (-(bits & 1) & fg) ^ bg;
- base = (u32 *) ((char *)base + rb);
- }
-}
-
-static void BTEXT
-draw_byte_16(unsigned char *font, u32 *base, u32 rb)
-{
- u32 l, bits;
- u32 fg = 0xFFFFFFFF;
- u32 bg = 0x00000000;
- u32 *eb = expand_bits_16;
-
- for (l = 0; l < 16; ++l)
- {
- bits = *font++;
- base[0] = (eb[bits >> 6] & fg) ^ bg;
- base[1] = (eb[(bits >> 4) & 3] & fg) ^ bg;
- base[2] = (eb[(bits >> 2) & 3] & fg) ^ bg;
- base[3] = (eb[bits & 3] & fg) ^ bg;
- base = (u32 *) ((char *)base + rb);
- }
-}
-#endif
-static void BTEXT
-draw_byte_8(unsigned char *font, u32 *base, u32 rb)
-{
- u32 l, bits;
- u32 fg = 0x0F0F0F0F;
- u32 bg = 0x00000000;
- u32 *eb = expand_bits_8;
-
- for (l = 0; l < 16; ++l)
- {
- bits = *font++;
- base[0] = (eb[bits >> 4] & fg) ^ bg;
- base[1] = (eb[bits & 0xf] & fg) ^ bg;
- base = (u32 *) ((char *)base + rb);
- }
-}
-
-void btext_init(void)
-{
- btext_setup_display(640, 480, 8, 640,0xfc000000);
-// Not realy init
-// It will be init in xlinit.c because We only can access fb after the device resource is allocated and enabled.
-
-}
-
-void btext_tx_byte(unsigned char data)
-{
- btext_drawchar(data);
-}
-
-static const struct console_driver btext_console __console = {
- .init = btext_init,
- .tx_byte = btext_tx_byte,
- .rx_byte = 0,
- .tst_byte = 0,
-};
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 04:37:07 +0000