Index: uspace/lib/c/arch/mips32/Makefile.inc
===================================================================
--- uspace/lib/c/arch/mips32/Makefile.inc	(revision 0ca441cd372e38bab04fe49abcfe22ead9b21afc)
+++ uspace/lib/c/arch/mips32/Makefile.inc	(revision 26346bd55c100239a5c5aade700dd038b5a04f7b)
@@ -28,4 +28,5 @@
 
 ARCH_SOURCES = \
+	arch/$(UARCH)/src/asm.S \
 	arch/$(UARCH)/src/entry.S \
 	arch/$(UARCH)/src/entryjmp.S \
Index: uspace/lib/c/arch/mips32/src/asm.S
===================================================================
--- uspace/lib/c/arch/mips32/src/asm.S	(revision 26346bd55c100239a5c5aade700dd038b5a04f7b)
+++ uspace/lib/c/arch/mips32/src/asm.S	(revision 26346bd55c100239a5c5aade700dd038b5a04f7b)
@@ -0,0 +1,182 @@
+/*
+ * Copyright (c) 2013 Martin Decky
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+.text
+
+.set noat
+.set noreorder
+.set nomacro
+
+.global memset
+.global memcpy
+
+memset:
+	move $v0, $a0
+	beqz $a2, 0f
+	addiu $t1, $a2, -1
+	
+	negu $t0, $a0
+	andi $t0, $t0, 0x3
+	sltu $v1, $a2, $t0
+	bnez $v1, 1f
+	andi $a1, $a1, 0xff
+	
+	7:
+		sltiu $v1, $a2, 4
+		beqz $v1, 2f
+		move $v1, $v0
+		
+		 move $t0, $a2
+	
+	3:
+		sb $a1, 0($v1)
+		addiu $v1, $v1, 1
+		subu $a3, $v1, $v0
+		sltu $a3, $a3, $t0
+		bnez $a3, 3b
+		addiu $t1, $t1, -1
+		
+		beq $a2, $t0, 0f
+		subu $a2, $a2, $t0
+	
+	8:
+		srl $a0, $a2, 0x2
+		sll $t4, $a0, 0x2
+		beqz $t4, 4f
+		sll $t2, $a1, 0x10
+		
+		sll $t3, $a1, 0x8
+		or $t3, $a1, $t3
+		sll $a3, $a1, 0x18
+		or $t3, $t3, $t2
+		or $t3, $t3, $a3
+		addu $t0, $v0, $t0
+		move $a3, $zero
+	
+	5:
+		addiu $a3, $a3, 1
+		sltu $t2, $a3, $a0
+		sw $t3, 0($t0)
+		bnez $t2, 5b
+		addiu $t0, $t0, 4
+		
+		addu $v1, $v1, $t4
+		beq $a2, $t4, 0f
+		subu $t1, $t1, $t4
+	
+	4:
+		addiu $t1, $t1, 1
+		addu $t1, $v1, $t1
+		sb $a1, 0($v1)
+	
+	6:
+		addiu $v1, $v1, 1
+		bnel $v1, $t1, 6b
+		sb $a1, 0($v1)
+	
+	0:
+		jr $ra
+		nop
+	
+	1:
+		j 7b
+		move $t0, $a2
+	
+	2:
+		bnez $t0, 3b
+		nop
+		
+		j 8b
+		subu $a2, $a2, $t0
+
+memcpy:
+	move $t2, $a0  /* save dst */
+	
+	addiu $v0, $a1, 3
+	li $v1, -4  /* 0xfffffffffffffffc */
+	and $v0, $v0, $v1
+	beq $a1, $v0, 3f
+	move $t0, $a0
+	
+	0:
+		beq $a2, $zero, 2f
+		move $a3, $zero
+	
+	1:
+		addu $v0, $a1, $a3
+		lbu $a0, 0($v0)
+		addu $v1, $t0, $a3
+		addiu $a3, $a3, 1
+		bne $a3, $a2, 1b
+		sb $a0, 0($v1)
+	
+	2:
+		jr $ra
+		move $v0, $t2
+	
+	3:
+		addiu $v0, $a0, 3
+		and $v0, $v0, $v1
+		bne $a0, $v0, 0b
+		srl $t1, $a2, 2
+		
+		beq $t1, $zero, 5f
+		move $a3, $zero
+		
+		move $a3, $zero
+		move $a0, $zero
+	
+	4:
+		addu $v0, $a1, $a0
+		lw $v1, 0($v0)
+		addiu $a3, $a3, 1
+		addu $v0, $t0, $a0
+		sw $v1, 0($v0)
+		bne $a3, $t1, 4b
+		addiu $a0, $a0, 4
+	
+	5:
+		andi $a2, $a2, 0x3
+		beq $a2, $zero, 2b
+		nop
+		
+		sll $v0, $a3, 2
+		addu $t1, $v0, $t0
+		move $a3, $zero
+		addu $t0, $v0, $a1
+	
+	6:
+		addu $v0, $t0, $a3
+		lbu $a0, 0($v0)
+		addu $v1, $t1, $a3
+		addiu $a3, $a3, 1
+		bne $a3, $a2, 6b
+		sb $a0, 0($v1)
+		
+		jr $ra
+		move $v0, $t2