Remove entry_serial_out.

1 files changed, 0 insertions, 41 deletions

diff --git a/kernel/entry.c b/kernel/entry.c
index 2ec5089..0b22ee7 100644
--- a/kernel/entry.c
+++ b/kernel/entry.c
@@ -12,35 +12,15 @@ asm(
 	"call entry_main\n"
 );
 
-void entry_serial_out(char* str);
-void entry_serial_out_hex(uint32_t x);
 void entry_copy_multiboot(multiboot_info_t* mb_info);
 
 void entry_main(uint32_t mb_magic, multiboot_info_t* mb_info) {
-	entry_serial_out("entry_main()\n");
 	if(mb_magic != 0x2badb002) {
-		entry_serial_out("Multiboot magic word is wrong!\n");
 		goto stop;
 	}
-	entry_serial_out("Multiboot ok\n");
 	
 	entry_copy_multiboot(mb_info);
 	
-	/*
-	entry_serial_out("Flags: ");
-	entry_serial_out_hex(mb_info->flags);
-	
-	if(mb_info->flags & (1 << 2)) {
-		entry_serial_out(mb_info->cmdline);
-		entry_serial_out("\n");
-	} else {
-		entry_serial_out("No cmdline.\n");
-	}
-	
-	entry_serial_out("Module addr: ");
-	entry_serial_out_hex(mb_info->mods_addr->mod_start);
-	*/
-	
 	// Create initial page tables.
 	for(unsigned int i = 0; i < 1024; i++) {
 		// Clear page directory.
@@ -85,7 +65,6 @@ void entry_main(uint32_t mb_magic, multiboot_info_t* mb_info) {
 	main();
 	
 	stop:
-	entry_serial_out("Halting.\n");
 	asm volatile(
 		"cli\n"
 		"hlt\n"
@@ -136,23 +115,3 @@ void entry_copy_multiboot(multiboot_info_t* mb_info) {
 		high_p += s;
 	}
 }
-
-#define outb(port, value) asm volatile("out %b0,%w1" : : "a" (value), "d" (port))
-
-void entry_serial_out(char* str) {
-	while(*str) {
-		if(*str == '\n') {
-			outb(0x3f8, '\r');
-		}
-		outb(0x3f8, *str++);
-	}
-}
-
-void entry_serial_out_hex(uint32_t x) {
-	char str[] = "00000000\n";
-	for(int i = 0; i < 8; i++) {
-		int z = (x >> (28 - i * 4)) & 0xf;
-		str[i] = z < 10 ? '0' + z : 'a' - 10 + z;
-	}
-	entry_serial_out(str);
-}