From 3ffebff2aad2ca438cf76db51fb3459c5639cd67 Mon Sep 17 00:00:00 2001
From: lameguy64 <lameguy64@gmail.com>
Date: Thu, 23 May 2019 22:24:56 +0800
Subject: Added BIOS Controller, BIOS CD, 2 new examples and custom exit
 handler in the works

---
 libpsn00b/libc/readme.txt |  4 +++-
 libpsn00b/libc/start.s    | 16 ++++++++--------
 2 files changed, 11 insertions(+), 9 deletions(-)

(limited to 'libpsn00b/libc')

diff --git a/libpsn00b/libc/readme.txt b/libpsn00b/libc/readme.txt
index d7abf0a..064a353 100644
--- a/libpsn00b/libc/readme.txt
+++ b/libpsn00b/libc/readme.txt
@@ -45,4 +45,6 @@ Todo list:
 
 Changelog:
 
-	None thus far...
+	05-23-2019 by Lameguy64:
+
+	* Made stack usage a lot less wastefull in _start entrypoint.
diff --git a/libpsn00b/libc/start.s b/libpsn00b/libc/start.s
index c9b529b..d08a2c7 100644
--- a/libpsn00b/libc/start.s
+++ b/libpsn00b/libc/start.s
@@ -1,5 +1,5 @@
 # Start function!
-# This is essentially the entrypoint of the PS-EXE
+# This is essentially the entry point of the PS-EXE
 
 .set noreorder
 
@@ -8,11 +8,10 @@
 .global _start
 .type _start, @function
 _start:
-
-	addiu	$sp, -32
-	sw		$ra, 28($sp)
+	addiu	$sp, -4
+	sw		$ra, 0($sp)
 	
-	la		$gp, _gp		# Very important to set!
+	la		$gp, _gp		# Very important!
 	
 	la		$a0, .bss		# What are the CORRECT symbols for BSS start and end?
 	la		$a1, _end
@@ -30,10 +29,11 @@ _start:
 	move	$a1, $0
 	
 	jal		main
-	nop
+	addiu	$sp, -8
+	addiu	$sp, 8
 	
-	lw		$ra, 28($sp)
-	addiu	$sp, 32
+	lw		$ra, 0($sp)		# Return
+	addiu	$sp, 4
 	jr		$ra
 	nop
 	
\ No newline at end of file
-- 
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