christoph/lecture-operating-system-development
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use DEBUG in more places

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This commit is contained in:
churl
2022-05-23 12:20:29 +02:00
parent d6d071d6fd
commit cc35dda947
6 changed files with 46 additions and 50 deletions
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15
c_os/devices/BufferedCGA.cc
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@ -1,4 +1,5 @@
#include "BufferedCGA.h"
#include "kernel/Globals.h"
// Can't initialize in constructor as memory management already needs working CGA for output
// NOTE: This has to be called when memorymanagement is active
@ -7,12 +8,12 @@ void BufferedCGA::init(unsigned int pages) {
this->screen_buffer = new CGA::cga_page_t;
if (this->scrollback_buffer == NULL || this->screen_buffer == NULL) {
this->print("Error initializing scrollback buffer\n", 39);
if (DEBUG) kout << "Error initializing scrollback buffer" << endl;
return;
}
this->initialized = true;
this->print("Initialized scrollback buffer\n", 32);
if (DEBUG) kout << "Initialized scrollback buffer" << endl;
}
void BufferedCGA::display_scrollback() {
@ -25,7 +26,7 @@ void BufferedCGA::display_scrollback() {
this->scrollback_buffer->get((cga_line_t*)CGA_START, this->scrollback - 1);
}
} else {
this->print("ScrollbackBuffer not initialized\n", 34);
if (DEBUG) kout << "ScrollbackBuffer not initialized" << endl;
}
}
@ -44,7 +45,7 @@ void BufferedCGA::scrollup() {
if (this->initialized) {
this->scrollback_buffer->put((cga_line_t*)CGA_START);
} else {
this->print("ScrollbackBuffer not initialized\n", 34);
if (DEBUG) kout << "ScrollbackBuffer not initialized" << endl;
}
CGA::scrollup();
@ -58,7 +59,7 @@ void BufferedCGA::clear() {
this->scrollback_buffer->clear();
mmem::zero<CGA::cga_page_t>(this->screen_buffer);
} else {
this->print("ScrollbackBuffer not initialized\n", 34);
if (DEBUG) kout << "ScrollbackBuffer not initialized" << endl;
}
}
@ -77,7 +78,7 @@ void BufferedCGA::scroll_page_backward() {
}
this->display_scrollback();
} else {
this->print("ScrollbackBuffer not initialized\n", 34);
if (DEBUG) kout << "ScrollbackBuffer not initialized" << endl;
}
}
@ -89,6 +90,6 @@ void BufferedCGA::scroll_page_forward() {
}
this->display_scrollback();
} else {
this->print("ScrollbackBuffer not initialized\n", 34);
if (DEBUG) kout << "ScrollbackBuffer not initialized" << endl;
}
}