fixing merge conflicts from local merg in loader.asm

framebuffer.c

@@ -8,28 +8,32 @@
 #include "framebuffer.h"
 
 static char* Frame_Buffer = (char*)FRAME_BUFFER_ADDR;
-static char* Frame_Buffer_End = (char*)(FRAME_BUFFER_ADDR + AREA);
+//static char* Frame_Buffer_End = (char*)(FRAME_BUFFER_ADDR + AREA);
+
 // Writes character to a given cell in the framebuffer
     // @cell parameter is the logical (linear)index into the buffer
 	// _not_ the actual offset from the buffer addr
 	// also proper location is caller's responsibility
-void writech_fb(unsigned cell, char c, char fg, char bg) {
+void write_cell_fb(unsigned cell, char c, char fg, char bg) {
     Frame_Buffer[cell] = c;
     Frame_Buffer[cell+1] = (fg & 0x0f << 4) | (bg & 0x0f);
 }
 
-/* this probably doesn't belong here */
+/*  should be passing in a cell-position for position param*/
-void print_fb(char* str) {
+void print_fb(char* str, unsigned position) {
-	for(unsigned i =0;i<strlen(str);i++) {
+	unsigned relative_end = position + strlen(str);
-		writech_fb(FRAME_CELL(i), str[i], Green, White);
+	for(unsigned i = position; i<relative_end; i++) {
+		write_cell_fb(FRAME_CELL(i), str[i], Green, White);
 	}
 }
 
-/* moving the cursor to our given position */
+void clear_fb() {
-void cursor_adjust() {
+	for(unsigned cell=0;cell<AREA; cell+=2) {
-	// TODO: c ipmle
+		write_cell_fb(cell, ' ', 0x00, 0x00);
+	}
 }
 /* generic test func for this module */
 void test_fb() {
-	print_fb("adsf");
+	clear_fb();
+	print_fb("adsf", POSITION(0,5));
 }

framebuffer.h

@@ -1,8 +1,9 @@
 #include "stl/string.h"
+
 #define COLUMNS 80
 #define ROWS 25
 #define AREA ( COLUMNS * ROWS )
-
+#define POSITION(ROW, COL) ( (ROW * COLUMNS) + COL )
 
 // address of our frame buffer
 #define FRAME_BUFFER_ADDR 0x000B8000
@@ -28,9 +29,11 @@
 #define LightBrown 0x0e
 #define White 0x0f
 
-void writech_fb(unsigned cell, char c , char fg, char bg);
+void write_cell_fb(unsigned cell, char c , char fg, char bg);
 
-void print_fb(char* str);
+void print_fb(char* str, unsigned position);
+
+void clear_fb();
 
 /* Testing function because yote squad in here yeye */
 void test_fb();

loader.asm

@@ -9,9 +9,7 @@ CHECKSUM 		equ -MAGIC_NUMBER
 
 ; size in bytes of stack 
 KERNEL_STACK_SIZE	equ 4096
-
+extern test_fb
-
-; Test funcs are generic void handler's in whatever the target module is
 
 section .text
 ; align all instructions to 4 byte boundary by the x86 instruction set law
@@ -22,6 +20,7 @@ align 4
 	dd CHECKSUM
 
 loader:
+	call test_fb
 
 .loop:
 	jmp .loop

stl/stdlib.c

@@ -0,0 +1,8 @@
+int memcmp(const void* left, const void* right, const unsigned length) {
+	for(unsigned i=0;i<length;i++) {
+		if(left[i] != right[i]) {
+			return 1;
+		}
+	}
+	return 0;
+}

stl/stdlib.h

@@ -0,0 +1 @@
+int memcmp(const void* left, const void* right, const unsigned length);

stl/string.h

@@ -1,4 +1,7 @@
-// our own stuff for stl utilities
+/* 
+ * string.h  
+ * String based utilities
+*/
 
 unsigned strlen(const char* str) {
 	unsigned idx = 0;