Changeset c43b89e8 in mainline

Timestamp:

2013-04-09T17:42:52Z (11 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

b4f43a1

Parents:

b8f1a349

Message:

remove the HelenOS logo in the kernel console
(it was hardly ever seen nowadays, not serving any real purpose anymore and we instantly save 50 KB on debug kernels)

Location:

kernel/genarch

Files:

• Makefile.inc (modified) (1 diff)
• include/genarch/fb/logo-196x66.h (deleted)
• src/fb/fb.c (modified) (9 diffs)
• src/fb/logo-196x66.c (deleted)

kernel/genarch/Makefile.inc

@@ -66 +66 @@
         GENARCH_SOURCES += \
                 genarch/src/fb/font-8x16.c \
-                genarch/src/fb/logo-196x66.c \
                 genarch/src/fb/fb.c \
                 genarch/src/fb/bfb.c

kernel/genarch/src/fb/fb.c

@@ -35 +35 @@
 
 #include <genarch/fb/font-8x16.h>
-#include <genarch/fb/logo-196x66.h>
 #include <genarch/fb/fb.h>
 #include <console/chardev.h>
@@ -93 +92 @@
         unsigned int yres;
         
-        unsigned int ylogo;
-        unsigned int ytrim;
         unsigned int rowtrim;
         
@@ -213 +210 @@
 }
 
-/** Hide logo and refresh screen
- *
- */
-static void logo_hide(fb_instance_t *instance)
-{
-        instance->ylogo = 0;
-        instance->ytrim = instance->yres;
-        instance->rowtrim = instance->rows;
-        
-        if ((!instance->parea.mapped) || (console_override))
-                fb_redraw_internal(instance);
-}
-
 /** Draw character at given position
  *
@@ -236 +220 @@
         unsigned int yd;
         
-        if (y >= instance->ytrim)
-                logo_hide(instance);
-        
         if (!overlay)
                 instance->backbuf[BB_POS(instance, col, row)] = glyph;
@@ -244 +225 @@
         if ((!instance->parea.mapped) || (console_override)) {
                 for (yd = 0; yd < FONT_SCANLINES; yd++)
-                        memcpy(&instance->addr[FB_POS(instance, x, y + yd + instance->ylogo)],
+                        memcpy(&instance->addr[FB_POS(instance, x, y + yd)],
                             &instance->glyphs[GLYPH_POS(instance, glyph, yd)],
                             instance->glyphscanline);
@@ -256 +237 @@
 static void screen_scroll(fb_instance_t *instance)
 {
-        if (instance->ylogo > 0) {
-                logo_hide(instance);
-                return;
-        }
-        
         if ((!instance->parea.mapped) || (console_override)) {
                 unsigned int row;
@@ -412 +388 @@
 static void fb_redraw_internal(fb_instance_t *instance)
 {
-        if (instance->ylogo > 0) {
-                unsigned int y;
-                
-                for (y = 0; y < LOGO_HEIGHT; y++) {
-                        unsigned int x;
-                        
-                        for (x = 0; x < instance->xres; x++)
-                                instance->rgb_conv(&instance->addr[FB_POS(instance, x, y)],
-                                    (x < LOGO_WIDTH) ?
-                                    fb_logo[y * LOGO_WIDTH + x] :
-                                    LOGO_COLOR);
-                }
-        }
-        
         unsigned int row;
         
         for (row = 0; row < instance->rowtrim; row++) {
-                unsigned int y = instance->ylogo + ROW2Y(row);
+                unsigned int y = ROW2Y(row);
                 unsigned int yd;
                 
@@ -452 +414 @@
                     (instance->xres - COL2X(instance->cols)) * instance->pixelbytes;
                 
-                for (y = instance->ylogo; y < instance->yres; y++)
+                for (y = 0; y < instance->yres; y++)
                         memcpy(&instance->addr[FB_POS(instance, COL2X(instance->cols), y)],
                             instance->bgscan, size);
         }
         
-        if (ROW2Y(instance->rowtrim) + instance->ylogo < instance->yres) {
+        if (ROW2Y(instance->rowtrim) < instance->yres) {
                 unsigned int y;
                 
-                for (y = ROW2Y(instance->rowtrim) + instance->ylogo;
-                    y < instance->yres; y++)
+                for (y = ROW2Y(instance->rowtrim); y < instance->yres; y++)
                         memcpy(&instance->addr[FB_POS(instance, 0, y)],
                             instance->bgscan, instance->bgscanbytes);
@@ -567 +528 @@
         instance->rows = Y2ROW(instance->yres);
         
-        if (instance->yres > LOGO_HEIGHT) {
-                instance->ylogo = LOGO_HEIGHT;
-                instance->rowtrim = instance->rows - Y2ROW(instance->ylogo);
-                if (instance->ylogo % FONT_SCANLINES > 0)
-                        instance->rowtrim--;
-                instance->ytrim = ROW2Y(instance->rowtrim);
-        } else {
-                instance->ylogo = 0;
-                instance->ytrim = instance->yres;
-                instance->rowtrim = instance->rows;
-        }
+        instance->rowtrim = instance->rows;
         
         instance->glyphscanline = FONT_WIDTH * instance->pixelbytes;