From 3676214a6288ccaacd8bb29c7ef02c51bb05ff5d Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Tue, 23 Oct 2018 15:47:03 +0200
Subject: [PATCH] Remove remains of the old "panel" task.

...and grow the console by 1 row! :^)
---
 Kernel/Console.cpp |  4 ++--
 Kernel/IPC.h       |  1 -
 Kernel/Makefile    |  1 -
 Kernel/VGA.cpp     |  4 ++--
 Kernel/panel.cpp   | 47 ----------------------------------------------
 5 files changed, 4 insertions(+), 53 deletions(-)
 delete mode 100644 Kernel/panel.cpp

diff --git a/Kernel/Console.cpp b/Kernel/Console.cpp
index 86809ffe78..ecd10acffc 100644
--- a/Kernel/Console.cpp
+++ b/Kernel/Console.cpp
@@ -37,7 +37,7 @@ void Console::putChar(char ch)
     switch (ch) {
     case '\n':
         m_cursorColumn = 0;
-        if (m_cursorRow == (m_rows - 2)) {
+        if (m_cursorRow == (m_rows - 1)) {
             vga_scroll_up();
         } else {
             ++m_cursorRow;
@@ -50,7 +50,7 @@ void Console::putChar(char ch)
 
     ++m_cursorColumn;
     if (m_cursorColumn >= m_columns) {
-        if (m_cursorRow == (m_rows - 2)) {
+        if (m_cursorRow == (m_rows - 1)) {
             vga_scroll_up();
         } else {
             ++m_cursorRow;
diff --git a/Kernel/IPC.h b/Kernel/IPC.h
index be595b7741..efb4514696 100644
--- a/Kernel/IPC.h
+++ b/Kernel/IPC.h
@@ -28,7 +28,6 @@ public:
     Handle(AnyHandle) : m_data(0xffffffff) { }
 
     enum KernelTask {
-        PanelTask = 4001,
         DiskTask = 4002,
         FileSystemTask = 4003,
         MotdTask = 4004,
diff --git a/Kernel/Makefile b/Kernel/Makefile
index 5929be1044..2465de2d84 100644
--- a/Kernel/Makefile
+++ b/Kernel/Makefile
@@ -14,7 +14,6 @@ KERNEL_OBJS = \
        PIC.o \
        Syscall.o \
        DataBuffer.o \
-       panel.o \
        Disk.o \
        Userspace.o \
        IDEDiskDevice.o \
diff --git a/Kernel/VGA.cpp b/Kernel/VGA.cpp
index 2180490ad7..782a730485 100644
--- a/Kernel/VGA.cpp
+++ b/Kernel/VGA.cpp
@@ -10,8 +10,8 @@ PRIVATE BYTE current_attr = 0x07;
 
 void vga_scroll_up()
 {
-    memcpy(vga_mem, vga_mem + 160, 160 * 23);
-    memset(vga_mem + (160 * 23), 0, 160);
+    memcpy(vga_mem, vga_mem + 160, 160 * 24);
+    memset(vga_mem + (160 * 24), 0, 160);
 }
 
 void vga_putch_at(byte row, byte column, byte ch)
diff --git a/Kernel/panel.cpp b/Kernel/panel.cpp
deleted file mode 100644
index 896b4f1a66..0000000000
--- a/Kernel/panel.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-#include "types.h"
-#include "Task.h"
-#include "VGA.h"
-#include "system.h"
-#include "i386.h"
-#include "i8253.h"
-#include "kmalloc.h"
-
-PUBLIC void panel_main() NORETURN;
-
-PUBLIC void
-panel_main()
-{
-    WORD c;
-    BYTE a;
-
-    for( ;; )
-    {
-        continue;
-        /* HACK: Avoid getting interrupted while painting since
-         *       that could lead to fugly artifacts ;P */
-        cli();
-
-        c = vga_get_cursor();
-        a = vga_get_attr();
-
-        vga_set_attr( 0x17 );
-        vga_set_cursor( 80 * 24 );
-
-        kprintf(
-            " Uptime: %u -- %u tasks (%u blocked)   kmalloc: %u/%u          ",
-            system.uptime / TICKS_PER_SECOND,
-            system.nprocess,
-            system.nblocked,
-            sum_alloc,
-            sum_free
-        );
-
-        vga_set_attr( a );
-        vga_set_cursor( c );
-
-        /* HACK cont.d */
-        sti();
-
-        sleep( 1 * TICKS_PER_SECOND );
-    }
-}