Very, very simple malloc

kernel/kernel.c

@@ -50,10 +50,7 @@ void main() {
 
 	register_commands();
 
-	/*char buffer[0x4800];
-	strcpy(buffer, "writing this to the floppy drive");
-	floppy_write_track(4, buffer);
-	println(buffer);*/
+	disk_cmd_init();
 
 	while(1)
 	{

libc/mem.c

 #include "mem.h"
 
-void memory_copy(u8 *source, u8 *dest, int nbytes) {
+void memory_copy(u8 *source, u8 *dest, int nbytes)
+{
 	int i;
 	for (i = 0; i < nbytes; i++) {
 		*(dest + i) = *(source + i);
 	}
 }
 
-void memory_set(u8 *dest, u8 val, u32 len) {
+void memory_set(u8 *dest, u8 val, u32 len)
+{
 	u8 *temp = (u8 *)dest;
 	for ( ; len != 0; len--) *temp++ = val;
 }
+
+//TODO:
+//free()
+//alignment
+const u32 start_addr = 0x100000;
+u32 cur_addr = start_addr;
+const u32 end_addr =  0x10000000;
+
+u32 malloc(u32 len)
+{
+	u32 addr = cur_addr;
+	cur_addr += len;
+	return addr;
+}

libc/mem.h

@@ -5,5 +5,6 @@
 
 void memory_copy(u8 *source, u8 *dest, int nbytes);
 void memory_set(u8 *dest, u8 val, u32 len);
+u32 malloc(u32 len);
 
 #endif

util/commands.c

@@ -5,6 +5,7 @@
 #include "../libc/string.h"
 #include "../programs/texteditor.h"
 #include "../drivers/floppy.h"
+#include "../libc/mem.h"
 
 void help(char *args)
 {
@@ -101,7 +102,12 @@ void video_debug(char *args)
 	}
 	}*/
 
-char buffer[0x4800];
+char *buffer;
+
+void disk_cmd_init()
+{
+	buffer = (char *)malloc(0x4800);
+}
 
 void read_callback(int p)
 {

util/commands.h

 #ifndef commands
 #define commands
 void register_commands();
+void disk_cmd_init();
 #endif