Index: kernel/Makefile
===================================================================
--- kernel/Makefile	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/Makefile	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -226,5 +226,4 @@
 	generic/src/proc/task.c \
 	generic/src/proc/the.c \
-	generic/src/proc/tasklet.c \
 	generic/src/syscall/syscall.c \
 	generic/src/syscall/copy.c \
@@ -240,4 +239,5 @@
 	generic/src/lib/func.c \
 	generic/src/lib/memstr.c \
+	generic/src/lib/memfnc.c \
 	generic/src/lib/sort.c \
 	generic/src/lib/str.c \
@@ -381,5 +381,4 @@
 		generic/src/main/kinit.c \
 		generic/src/proc/the.c \
-		generic/src/proc/tasklet.c \
 		generic/src/mm/frame.c \
 		generic/src/mm/page.c \
Index: kernel/arch/abs32le/include/memstr.h
===================================================================
--- kernel/arch/abs32le/include/memstr.h	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ 	(revision )
@@ -1,45 +1,0 @@
-/*
- * Copyright (c) 2010 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.
- */
-
-/** @addtogroup abs32le
- * @{
- */
-/** @file
- */
-
-#ifndef KERN_abs32le_MEMSTR_H_
-#define KERN_abs32le_MEMSTR_H_
-
-#define memcpy(dst, src, cnt)   _memcpy((dst), (src), (cnt))
-#define memsetb(dst, cnt, val)  _memsetb((dst), (cnt), (val))
-#define memsetw(dst, cnt, val)  _memsetw((dst), (cnt), (val))
-
-#endif
-
-/** @}
- */
Index: kernel/arch/amd64/Makefile.inc
===================================================================
--- kernel/arch/amd64/Makefile.inc	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/amd64/Makefile.inc	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -33,5 +33,22 @@
 
 FPU_NO_CFLAGS = -mno-sse -mno-sse2
-CMN1 = -m64 -mcmodel=large -mno-red-zone -fno-unwind-tables -fno-omit-frame-pointer
+
+#
+# FIXME:
+#
+# The -fno-optimize-sibling-calls should be removed as soon as a bug
+# in GCC concerning the "large" memory model and tail call optimization
+# is fixed.
+#
+# If GCC generates a code for tail call, instead of generating ..
+#
+#   jmp *fnc
+#
+# it generates an assembly code with an illegal immediate prefix:
+#
+#   jmp *$fnc
+#
+
+CMN1 = -m64 -mcmodel=large -mno-red-zone -fno-unwind-tables -fno-omit-frame-pointer -fno-optimize-sibling-calls
 GCC_CFLAGS += $(CMN1)
 ICC_CFLAGS += $(CMN1)
Index: kernel/arch/amd64/_link.ld.in
===================================================================
--- kernel/arch/amd64/_link.ld.in	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/amd64/_link.ld.in	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -26,10 +26,10 @@
 	.mapped (PA2KA(BOOT_OFFSET)+SIZEOF(.unmapped)) : AT (SIZEOF(.unmapped)) {
 		ktext_start = .;
-		*(.text);
+		*(.text .text.*);
 		ktext_end = .;
 		
 		kdata_start = .;
-		*(.data);       /* initialized data */
-		*(.rodata*);    /* string literals */
+		*(.data);              /* initialized data */
+		*(.rodata .rodata.*);  /* string literals */
 		hardcoded_load_address = .;
 		QUAD(PA2KA(BOOT_OFFSET));
Index: kernel/arch/amd64/include/memstr.h
===================================================================
--- kernel/arch/amd64/include/memstr.h	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ 	(revision )
@@ -1,46 +1,0 @@
-/*
- * Copyright (c) 2005 Sergey Bondari
- * 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.
- */
-
-/** @addtogroup amd64
- * @{
- */
-/** @file
- */
-
-#ifndef KERN_amd64_MEMSTR_H_
-#define KERN_amd64_MEMSTR_H_
-
-#define memcpy(dst, src, cnt)  __builtin_memcpy((dst), (src), (cnt))
-
-extern void memsetw(void *, size_t, uint16_t);
-extern void memsetb(void *, size_t, uint8_t);
-
-#endif
-
-/** @}
- */
Index: kernel/arch/amd64/src/asm.S
===================================================================
--- kernel/arch/amd64/src/asm.S	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/amd64/src/asm.S	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -37,7 +37,4 @@
 .global read_efer_flag
 .global set_efer_flag
-.global memsetb
-.global memsetw
-.global memcpy
 .global memcpy_from_uspace
 .global memcpy_to_uspace
@@ -46,12 +43,4 @@
 .global early_putchar
 
-/* Wrapper for generic memsetb */
-memsetb:
-	jmp _memsetb
-
-/* Wrapper for generic memsetw */
-memsetw:
-	jmp _memsetw
-
 #define MEMCPY_DST   %rdi
 #define MEMCPY_SRC   %rsi
@@ -74,5 +63,4 @@
  *
  */
-memcpy:
 memcpy_from_uspace:
 memcpy_to_uspace:
Index: kernel/arch/arm32/include/memstr.h
===================================================================
--- kernel/arch/arm32/include/memstr.h	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ 	(revision )
@@ -1,47 +1,0 @@
-/*
- * Copyright (c) 2005 Sergey Bondari
- * 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.
- */
-
-/** @addtogroup arm32
- * @{
- */
-/** @file
- *  @brief Memory manipulating functions declarations.
- */
-
-#ifndef KERN_arm32_MEMSTR_H_
-#define KERN_arm32_MEMSTR_H_
-
-#define memcpy(dst, src, cnt)  __builtin_memcpy((dst), (src), (cnt))
-
-extern void memsetw(void *, size_t, uint16_t);
-extern void memsetb(void *, size_t, uint8_t);
-
-#endif
-
-/** @}
- */
Index: kernel/arch/arm32/src/asm.S
===================================================================
--- kernel/arch/arm32/src/asm.S	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/arm32/src/asm.S	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -29,7 +29,4 @@
 .text
 
-.global memsetb
-.global memsetw
-.global memcpy
 .global memcpy_from_uspace
 .global memcpy_to_uspace
@@ -38,11 +35,4 @@
 .global early_putchar
 
-memsetb:
-	b _memsetb
-
-memsetw:
-	b _memsetw
-
-memcpy:
 memcpy_from_uspace:
 memcpy_to_uspace:
Index: kernel/arch/arm32/src/exception.c
===================================================================
--- kernel/arch/arm32/src/exception.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/arm32/src/exception.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -35,5 +35,4 @@
 
 #include <arch/exception.h>
-#include <arch/memstr.h>
 #include <arch/regutils.h>
 #include <arch/machine_func.h>
Index: kernel/arch/ia32/_link.ld.in
===================================================================
--- kernel/arch/ia32/_link.ld.in	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/ia32/_link.ld.in	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -25,10 +25,10 @@
 	.mapped (PA2KA(BOOT_OFFSET)+SIZEOF(.unmapped)): AT (SIZEOF(.unmapped)) { 
 		ktext_start = .;
-		*(.text);
+		*(.text .text.*);
 		ktext_end = .;
 		
 		kdata_start = .;
 		*(.data);               /* initialized data */
-		*(.rodata*);            /* string literals */
+		*(.rodata .rodata.*);   /* string literals */
 		*(COMMON);              /* global variables */
 		hardcoded_load_address = .;
Index: kernel/arch/ia32/include/memstr.h
===================================================================
--- kernel/arch/ia32/include/memstr.h	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ 	(revision )
@@ -1,46 +1,0 @@
-/*
- * Copyright (c) 2005 Sergey Bondari
- * 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.
- */
-
-/** @addtogroup ia32
- * @{
- */
-/** @file
- */
-
-#ifndef KERN_ia32_MEMSTR_H_
-#define KERN_ia32_MEMSTR_H_
-
-#define memcpy(dst, src, cnt)  __builtin_memcpy((dst), (src), (cnt))
-
-extern void memsetw(void *, size_t, uint16_t);
-extern void memsetb(void *, size_t, uint8_t);
-
-#endif
-
-/** @}
- */
Index: kernel/arch/ia32/src/asm.S
===================================================================
--- kernel/arch/ia32/src/asm.S	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/ia32/src/asm.S	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -38,7 +38,4 @@
 .global paging_on
 .global enable_l_apic_in_msr
-.global memsetb
-.global memsetw
-.global memcpy
 .global memcpy_from_uspace
 .global memcpy_from_uspace_failover_address
@@ -47,12 +44,4 @@
 .global early_putchar
 
-/* Wrapper for generic memsetb */
-memsetb:
-	jmp _memsetb
-
-/* Wrapper for generic memsetw */
-memsetw:
-	jmp _memsetw
-
 #define MEMCPY_DST   4
 #define MEMCPY_SRC   8
@@ -74,5 +63,4 @@
  *
  */
-memcpy:
 memcpy_from_uspace:
 memcpy_to_uspace:
Index: kernel/arch/ia32/src/cpu/cpu.c
===================================================================
--- kernel/arch/ia32/src/cpu/cpu.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/ia32/src/cpu/cpu.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -92,5 +92,4 @@
 void cpu_arch_init(void)
 {
-	cpuid_extended_feature_info efi;
 	cpu_info_t info;
 	uint32_t help = 0;
@@ -104,5 +103,4 @@
 	
 	CPU->arch.fi.word = info.cpuid_edx;
-	efi.word = info.cpuid_ecx;
 	
 	if (CPU->arch.fi.bits.fxsr)
Index: kernel/arch/ia64/_link.ld.in
===================================================================
--- kernel/arch/ia64/_link.ld.in	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/ia64/_link.ld.in	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -16,5 +16,5 @@
 		ktext_start = .;
 		*(K_TEXT_START);
-		*(.text)
+		*(.text .text.*)
 		ktext_end = .;
 		
@@ -36,15 +36,14 @@
 		*(.bss)
 		*(COMMON);
-
+		
 		. = ALIGN(8);
-                symbol_table = .;
-                *(symtab.*);            /* Symbol table, must be LAST symbol!*/
-
+		symbol_table = .;
+		*(symtab.*);            /* Symbol table, must be LAST symbol!*/
+		
 		kdata_end = .;
 	}
-
+	
 	/DISCARD/ : {
 		*(*);
 	}
-
 }
Index: kernel/arch/ia64/include/memstr.h
===================================================================
--- kernel/arch/ia64/include/memstr.h	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ 	(revision )
@@ -1,46 +1,0 @@
-/*
- * Copyright (c) 2005 Sergey Bondari
- * 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.
- */
-
-/** @addtogroup ia64
- * @{
- */
-/** @file
- */
-
-#ifndef KERN_ia64_MEMSTR_H_
-#define KERN_ia64_MEMSTR_H_
-
-#define memcpy(dst, src, cnt)  __builtin_memcpy((dst), (src), (cnt))
-
-extern void memsetw(void *, size_t, uint16_t);
-extern void memsetb(void *, size_t, uint8_t);
-
-#endif
-
-/** @}
- */
Index: kernel/arch/ia64/src/asm.S
===================================================================
--- kernel/arch/ia64/src/asm.S	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/ia64/src/asm.S	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -30,5 +30,4 @@
 
 .text
-.global memcpy
 .global memcpy_from_uspace
 .global memcpy_to_uspace
@@ -39,5 +38,6 @@
  *
  * This memcpy() has been taken from the assembler output of
- * the generic _memcpy() and modified to have the failover part.
+ * a plain C implementation of memcpy() modified to have the
+ * failover part.
  *
  * @param in0 Destination address.
@@ -46,5 +46,4 @@
  *
  */
-memcpy:
 memcpy_from_uspace:
 memcpy_to_uspace:
@@ -141,12 +140,4 @@
 	br.ret.sptk.many rp
 
-.global memsetb
-memsetb:
-	br _memsetb
-
-.global memsetw
-memsetw:
-	br _memsetw
-
 .global cpu_halt
 cpu_halt:
Index: kernel/arch/ia64/src/mm/tlb.c
===================================================================
--- kernel/arch/ia64/src/mm/tlb.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/ia64/src/mm/tlb.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -475,12 +475,8 @@
 void alternate_instruction_tlb_fault(uint64_t vector, istate_t *istate)
 {
-	region_register_t rr;
-	rid_t rid;
 	uintptr_t va;
 	pte_t *t;
 	
 	va = istate->cr_ifa; /* faulting address */
-	rr.word = rr_read(VA2VRN(va));
-	rid = rr.map.rid;
 	
 	page_table_lock(AS, true);
@@ -649,12 +645,8 @@
 void data_dirty_bit_fault(uint64_t vector, istate_t *istate)
 {
-	region_register_t rr;
-	rid_t rid;
 	uintptr_t va;
 	pte_t *t;
 	
 	va = istate->cr_ifa;  /* faulting address */
-	rr.word = rr_read(VA2VRN(va));
-	rid = rr.map.rid;
 	
 	page_table_lock(AS, true);
@@ -686,12 +678,8 @@
 void instruction_access_bit_fault(uint64_t vector, istate_t *istate)
 {
-	region_register_t rr;
-	rid_t rid;
 	uintptr_t va;
 	pte_t *t;
 	
 	va = istate->cr_ifa;  /* faulting address */
-	rr.word = rr_read(VA2VRN(va));
-	rid = rr.map.rid;
 	
 	page_table_lock(AS, true);
@@ -723,12 +711,8 @@
 void data_access_bit_fault(uint64_t vector, istate_t *istate)
 {
-	region_register_t rr;
-	rid_t rid;
 	uintptr_t va;
 	pte_t *t;
 	
 	va = istate->cr_ifa;  /* faulting address */
-	rr.word = rr_read(VA2VRN(va));
-	rid = rr.map.rid;
 	
 	page_table_lock(AS, true);
@@ -760,12 +744,8 @@
 void data_access_rights_fault(uint64_t vector, istate_t *istate)
 {
-	region_register_t rr;
-	rid_t rid;
 	uintptr_t va;
 	pte_t *t;
 	
 	va = istate->cr_ifa;  /* faulting address */
-	rr.word = rr_read(VA2VRN(va));
-	rid = rr.map.rid;
 	
 	/*
@@ -792,12 +772,8 @@
 void page_not_present(uint64_t vector, istate_t *istate)
 {
-	region_register_t rr;
-	rid_t rid;
 	uintptr_t va;
 	pte_t *t;
 	
 	va = istate->cr_ifa;  /* faulting address */
-	rr.word = rr_read(VA2VRN(va));
-	rid = rr.map.rid;
 	
 	page_table_lock(AS, true);
Index: kernel/arch/mips32/include/atomic.h
===================================================================
--- kernel/arch/mips32/include/atomic.h	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/mips32/include/atomic.h	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -91,4 +91,5 @@
 		"	sc %0, %1\n"
 		"	beqz %0, 1b\n"
+		"	nop\n"
 		"2:\n"
 		: "=&r" (tmp),
Index: kernel/arch/mips32/include/cp0.h
===================================================================
--- kernel/arch/mips32/include/cp0.h	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/mips32/include/cp0.h	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -70,5 +70,5 @@
   { \
       uint32_t retval; \
-      asm("mfc0 %0, $" #reg : "=r"(retval)); \
+      asm volatile ("mfc0 %0, $" #reg : "=r"(retval)); \
       return retval; \
   }
@@ -76,5 +76,5 @@
 #define GEN_WRITE_CP0(nm,reg) static inline void cp0_ ##nm##_write(uint32_t val) \
  { \
-    asm("mtc0 %0, $" #reg : : "r"(val) ); \
+    asm volatile ("mtc0 %0, $" #reg : : "r"(val) ); \
  }
 
Index: kernel/arch/mips32/include/memstr.h
===================================================================
--- kernel/arch/mips32/include/memstr.h	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ 	(revision )
@@ -1,46 +1,0 @@
-/*
- * Copyright (c) 2005 Sergey Bondari
- * 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.
- */
-
-/** @addtogroup mips32
- * @{
- */
-/** @file
- */
-
-#ifndef KERN_mips32_MEMSTR_H_
-#define KERN_mips32_MEMSTR_H_
-
-#define memcpy(dst, src, cnt)  __builtin_memcpy((dst), (src), (cnt))
-
-extern void memsetw(void *, size_t, uint16_t);
-extern void memsetb(void *, size_t, uint8_t);
-
-#endif
-
-/** @}
- */
Index: kernel/arch/mips32/src/asm.S
===================================================================
--- kernel/arch/mips32/src/asm.S	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/mips32/src/asm.S	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -57,20 +57,8 @@
 	nop
 
-.global memsetb
-memsetb:
-	j _memsetb
-	nop
-
-.global memsetw
-memsetw:
-	j _memsetw
-	nop
-
-.global memcpy
 .global memcpy_from_uspace
 .global memcpy_to_uspace
 .global memcpy_from_uspace_failover_address
 .global memcpy_to_uspace_failover_address
-memcpy:
 memcpy_from_uspace:
 memcpy_to_uspace:
Index: kernel/arch/ppc32/_link.ld.in
===================================================================
--- kernel/arch/ppc32/_link.ld.in	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/ppc32/_link.ld.in	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -36,6 +36,5 @@
 		kdata_start = .;
 		*(K_DATA_START);
-		*(.rodata);
-		*(.rodata.*);
+		*(.rodata .rodata.*);
 		*(.data);       /* initialized data */
 		*(.sdata);
Index: kernel/arch/ppc32/include/memstr.h
===================================================================
--- kernel/arch/ppc32/include/memstr.h	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ 	(revision )
@@ -1,46 +1,0 @@
-/*
- * Copyright (c) 2005 Sergey Bondari
- * 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.
- */
-
-/** @addtogroup ppc32
- * @{
- */
-/** @file
- */
-
-#ifndef KERN_ppc32_MEMSTR_H_
-#define KERN_ppc32_MEMSTR_H_
-
-#define memcpy(dst, src, cnt)  __builtin_memcpy((dst), (src), (cnt))
-
-extern void memsetw(void *, size_t, uint16_t);
-extern void memsetb(void *, size_t, uint8_t);
-
-#endif
-
-/** @}
- */
Index: kernel/arch/ppc32/src/asm.S
===================================================================
--- kernel/arch/ppc32/src/asm.S	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/ppc32/src/asm.S	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -35,7 +35,4 @@
 .global iret
 .global iret_syscall
-.global memsetb
-.global memsetw
-.global memcpy
 .global memcpy_from_uspace
 .global memcpy_to_uspace
@@ -208,11 +205,4 @@
 	rfi
 
-memsetb:
-	b _memsetb
-
-memsetw:
-	b _memsetw
-
-memcpy:
 memcpy_from_uspace:
 memcpy_to_uspace:
Index: kernel/arch/sparc64/_link.ld.in
===================================================================
--- kernel/arch/sparc64/_link.ld.in	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/sparc64/_link.ld.in	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -15,11 +15,10 @@
 		ktext_start = .;
 		*(K_TEXT_START)
-		*(.text);
+		*(.text .text.*);
 		ktext_end = .;
 		
 		kdata_start = .;
 		*(K_DATA_START)
-		*(.rodata);
-		*(.rodata.*);
+		*(.rodata .rodata.*);
 		*(.data);                   /* initialized data */
 		*(.sdata);
Index: kernel/arch/sparc64/include/memstr.h
===================================================================
--- kernel/arch/sparc64/include/memstr.h	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ 	(revision )
@@ -1,46 +1,0 @@
-/*
- * Copyright (c) 2005 Sergey Bondari
- * 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.
- */
-
-/** @addtogroup sparc64
- * @{
- */
-/** @file
- */
-
-#ifndef KERN_sparc64_MEMSTR_H_
-#define KERN_sparc64_MEMSTR_H_
-
-#define memcpy(dst, src, cnt)  __builtin_memcpy((dst), (src), (cnt))
-
-extern void memsetw(void *, size_t, uint16_t);
-extern void memsetb(void *, size_t, uint8_t);
-
-#endif
-
-/** @}
- */
Index: kernel/arch/sparc64/src/asm.S
===================================================================
--- kernel/arch/sparc64/src/asm.S	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/sparc64/src/asm.S	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -34,78 +34,4 @@
 .register %g2, #scratch
 .register %g3, #scratch
-
-/*
- * This is the assembly language version of our _memcpy() generated by gcc.
- */
-.global memcpy
-memcpy:
-	mov %o0, %o3  /* save dst */
-	add %o1, 7, %g1
-	and %g1, -8, %g1
-	cmp %o1, %g1
-	be,pn %xcc, 3f
-	add %o0, 7, %g1
-	mov 0, %g3
-	
-	0:
-	
-		brz,pn %o2, 2f
-		mov 0, %g2
-	
-	1:
-	
-		ldub [%g3 + %o1], %g1
-		add %g2, 1, %g2
-		cmp %o2, %g2
-		stb %g1, [%g3 + %o0]
-		bne,pt %xcc, 1b
-		mov %g2, %g3
-	
-	2:
-	
-		jmp %o7 + 8  /* exit point */
-		mov %o3, %o0
-	
-	3:
-	
-		and %g1, -8, %g1
-		cmp %o0, %g1
-		bne,pt %xcc, 0b
-		mov 0, %g3
-		srlx %o2, 3, %g4
-		brz,pn %g4, 5f
-		mov 0, %g5
-	
-	4:
-	
-		sllx %g3, 3, %g2
-		add %g5, 1, %g3
-		ldx [%o1 + %g2], %g1
-		mov %g3, %g5
-		cmp %g4, %g3
-		bne,pt %xcc, 4b
-		stx %g1, [%o0 + %g2]
-	
-	5:
-	
-		and %o2, 7, %o2
-		brz,pn %o2, 2b
-		sllx %g4, 3, %g1
-		mov 0, %g2
-		add %g1, %o0, %o0
-		add %g1, %o1, %g4
-		mov 0, %g3
-	
-	6:
-	
-		ldub [%g2 + %g4], %g1
-		stb %g1, [%g2 + %o0]
-		add %g3, 1, %g2
-		cmp %o2, %g2
-		bne,pt %xcc, 6b
-		mov %g2, %g3
-		
-		jmp %o7 + 8  /* exit point */
-		mov %o3, %o0
 
 /*
@@ -264,14 +190,4 @@
 	mov %g0, %o0  /* return 0 on failure */
 
-.global memsetb
-memsetb:
-	ba %xcc, _memsetb
-	nop
-
-.global memsetw
-memsetw:
-	ba %xcc, _memsetw
-	nop
-
 .global early_putchar
 early_putchar:
Index: kernel/arch/sparc64/src/mm/sun4u/as.c
===================================================================
--- kernel/arch/sparc64/src/mm/sun4u/as.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/sparc64/src/mm/sun4u/as.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -43,5 +43,4 @@
 
 #include <arch/mm/tsb.h>
-#include <arch/memstr.h>
 #include <arch/asm.h>
 #include <mm/frame.h>
Index: kernel/arch/sparc64/src/mm/sun4v/as.c
===================================================================
--- kernel/arch/sparc64/src/mm/sun4v/as.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/sparc64/src/mm/sun4v/as.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -46,5 +46,4 @@
 
 #include <arch/mm/tsb.h>
-#include <arch/memstr.h>
 #include <arch/asm.h>
 #include <mm/frame.h>
Index: kernel/arch/sparc64/src/smp/sun4v/smp.c
===================================================================
--- kernel/arch/sparc64/src/smp/sun4v/smp.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/sparc64/src/smp/sun4v/smp.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -1,5 +1,5 @@
 /*
  * Copyright (c) 2006 Jakub Jermar
- * Copyright (c) 2009 Pavel Rimsky 
+ * Copyright (c) 2009 Pavel Rimsky
  * All rights reserved.
  *
@@ -439,5 +439,5 @@
 	if (waitq_sleep_timeout(&ap_completion_wq, 10000000, SYNCH_FLAGS_NONE) ==
 	    ESYNCH_TIMEOUT)
-		printf("%s: waiting for processor (cpuid = %" PRIu32 ") timed out\n",
+		printf("%s: waiting for processor (cpuid = %" PRIu64 ") timed out\n",
 		    __func__, cpuid);
 	
Index: kernel/arch/sparc64/src/sun4v/start.S
===================================================================
--- kernel/arch/sparc64/src/sun4v/start.S	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/sparc64/src/sun4v/start.S	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -296,5 +296,5 @@
 	 * Create the first stack frame.
 	 */
-	save %sp, -(STACK_WINDWO_SAVE_AREA_SIZE + STACK_ARG_SAVE_AREA_SIZE), %sp
+	save %sp, -(STACK_WINDOW_SAVE_AREA_SIZE + STACK_ARG_SAVE_AREA_SIZE), %sp
 	flushw
 	add %g0, -STACK_BIAS, %fp
Index: kernel/arch/sparc64/src/trap/sun4v/interrupt.c
===================================================================
--- kernel/arch/sparc64/src/trap/sun4v/interrupt.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/arch/sparc64/src/trap/sun4v/interrupt.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -111,5 +111,5 @@
 			((void (*)(void)) data1)();
 		} else {
-			printf("Spurious interrupt on %d, data = %" PRIx64 ".\n",
+			printf("Spurious interrupt on %" PRIu64 ", data = %" PRIx64 ".\n",
 			    CPU->arch.id, data1);
 		}
Index: kernel/genarch/src/drivers/via-cuda/cuda.c
===================================================================
--- kernel/genarch/src/drivers/via-cuda/cuda.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/genarch/src/drivers/via-cuda/cuda.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -239,9 +239,9 @@
 	cuda_instance_t *instance = irq->instance;
 	cuda_t *dev = instance->cuda;
-	uint8_t data, b;
-
+	uint8_t b;
+	
 	b = pio_read_8(&dev->b);
-	data = pio_read_8(&dev->sr);
-
+	pio_read_8(&dev->sr);
+	
 	if ((b & TREQ) == 0) {
 		instance->xstate = cx_receive;
@@ -251,7 +251,7 @@
 		cuda_send_start(instance);
 	}
-
-        memcpy(buf, instance->rcv_buf, instance->bidx);
-        *len = instance->bidx;
+	
+	memcpy(buf, instance->rcv_buf, instance->bidx);
+	*len = instance->bidx;
 	instance->bidx = 0;
 }
Index: kernel/genarch/src/ofw/ebus.c
===================================================================
--- kernel/genarch/src/ofw/ebus.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/genarch/src/ofw/ebus.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -39,5 +39,4 @@
 #include <genarch/ofw/ebus.h>
 #include <genarch/ofw/pci.h>
-#include <arch/memstr.h>
 #include <str.h>
 #include <panic.h>
Index: kernel/genarch/src/ofw/fhc.c
===================================================================
--- kernel/genarch/src/ofw/fhc.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/genarch/src/ofw/fhc.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -39,5 +39,4 @@
 #include <genarch/ofw/fhc.h>
 #include <arch/drivers/fhc.h>
-#include <arch/memstr.h>
 #include <str.h>
 #include <panic.h>
Index: kernel/genarch/src/ofw/ofw_tree.c
===================================================================
--- kernel/genarch/src/ofw/ofw_tree.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/genarch/src/ofw/ofw_tree.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -37,6 +37,6 @@
 
 #include <genarch/ofw/ofw_tree.h>
-#include <arch/memstr.h>
 #include <mm/slab.h>
+#include <memstr.h>
 #include <str.h>
 #include <panic.h>
Index: kernel/genarch/src/ofw/pci.c
===================================================================
--- kernel/genarch/src/ofw/pci.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/genarch/src/ofw/pci.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -40,5 +40,4 @@
 #include <arch/drivers/pci.h>
 #include <arch/trap/interrupt.h>
-#include <arch/memstr.h>
 #include <str.h>
 #include <panic.h>
Index: kernel/genarch/src/ofw/upa.c
===================================================================
--- kernel/genarch/src/ofw/upa.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/genarch/src/ofw/upa.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -38,5 +38,4 @@
 #include <genarch/ofw/ofw_tree.h>
 #include <genarch/ofw/upa.h>
-#include <arch/memstr.h>
 #include <func.h>
 #include <panic.h>
Index: kernel/generic/include/lib/memfnc.h
===================================================================
--- kernel/generic/include/lib/memfnc.h	(revision ccca251bb0673718b534366ace0e22857d73804b)
+++ kernel/generic/include/lib/memfnc.h	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2011 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.
+ */
+
+/** @addtogroup generic
+ * @{
+ */
+/** @file
+ */
+
+#ifndef KERN_LIB_MEMFNC_H_
+#define KERN_LIB_MEMFNC_H_
+
+#include <typedefs.h>
+
+extern void *memset(void *, int, size_t);
+extern void *memcpy(void *, const void *, size_t);
+
+#endif
+
+/** @}
+ */
Index: kernel/generic/include/memstr.h
===================================================================
--- kernel/generic/include/memstr.h	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/generic/include/memstr.h	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -37,13 +37,11 @@
 
 #include <typedefs.h>
-#include <arch/memstr.h>
 
-/*
- * Architecture independent variants.
- */
-extern void *_memcpy(void *dst, const void *src, size_t cnt);
-extern void _memsetb(void *dst, size_t cnt, uint8_t x);
-extern void _memsetw(void *dst, size_t cnt, uint16_t x);
-extern void *memmove(void *dst, const void *src, size_t cnt);
+#define memset(dst, val, cnt)  __builtin_memset((dst), (val), (cnt))
+#define memcpy(dst, src, cnt)  __builtin_memcpy((dst), (src), (cnt))
+
+extern void memsetb(void *, size_t, uint8_t);
+extern void memsetw(void *, size_t, uint16_t);
+extern void *memmove(void *, const void *, size_t);
 
 #endif
Index: kernel/generic/include/proc/tasklet.h
===================================================================
--- kernel/generic/include/proc/tasklet.h	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ 	(revision )
@@ -1,73 +1,0 @@
-/*
- * Copyright (c) 2007 Jan Hudecek
- * Copyright (c) 2008 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.
- */
-
-/** @addtogroup genericproc
- * @{
- */
-/** @file tasklet.h
- * @brief Tasklets declarations
- */
-
-#ifndef KERN_TASKLET_H_
-#define KERN_TASKLET_H_
-
-#include <adt/list.h>
-
-/** Tasklet callback type */
-typedef void (* tasklet_callback_t)(void *arg);
-
-/** Tasklet state */
-typedef enum {
-	NotActive,
-	Scheduled,
-	InProgress,
-	Disabled
-} tasklet_state_t;
-
-/** Structure describing a tasklet */
-typedef struct tasklet_descriptor {
-	link_t link;
-	
-	/** Callback to call */
-	tasklet_callback_t callback;
-	
-	/** Argument passed to the callback */
-	void *arg;
-	
-	/** State of the tasklet */
-	tasklet_state_t state;
-} tasklet_descriptor_t;
-
-
-extern void tasklet_init(void);
-
-#endif
-
-/** @}
- */
Index: kernel/generic/src/lib/memfnc.c
===================================================================
--- kernel/generic/src/lib/memfnc.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
+++ kernel/generic/src/lib/memfnc.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -0,0 +1,91 @@
+	/*
+ * Copyright (c) 2011 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.
+ */
+
+/** @addtogroup generic
+ * @{
+ */
+
+/**
+ * @file
+ * @brief Memory string functions.
+ *
+ * This file provides architecture independent functions to manipulate blocks
+ * of memory. These functions are optimized as much as generic functions of
+ * this type can be.
+ */
+
+#include <lib/memfnc.h>
+#include <typedefs.h>
+
+/** Fill block of memory.
+ *
+ * Fill cnt bytes at dst address with the value val.
+ *
+ * @param dst Destination address to fill.
+ * @param val Value to fill.
+ * @param cnt Number of bytes to fill.
+ *
+ * @return Destination address.
+ *
+ */
+void *memset(void *dst, int val, size_t cnt)
+{
+	size_t i;
+	uint8_t *ptr = (uint8_t *) dst;
+	
+	for (i = 0; i < cnt; i++)
+		ptr[i] = val;
+	
+	return dst;
+}
+
+/** Move memory block without overlapping.
+ *
+ * Copy cnt bytes from src address to dst address. The source
+ * and destination memory areas cannot overlap.
+ *
+ * @param dst Destination address to copy to.
+ * @param src Source address to copy from.
+ * @param cnt Number of bytes to copy.
+ *
+ * @return Destination address.
+ *
+ */
+void *memcpy(void *dst, const void *src, size_t cnt)
+{
+	uint8_t *dp = (uint8_t *) dst;
+	const uint8_t *sp = (uint8_t *) src;
+	
+	while (cnt-- != 0)
+			*dp++ = *sp++;
+	
+	return dst;
+}
+
+/** @}
+ */
Index: kernel/generic/src/lib/memstr.c
===================================================================
--- kernel/generic/src/lib/memstr.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/generic/src/lib/memstr.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -28,5 +28,5 @@
  */
 
-/** @addtogroup generic	
+/** @addtogroup generic
  * @{
  */
@@ -34,129 +34,90 @@
 /**
  * @file
- * @brief	Memory string operations.
+ * @brief Memory string operations.
  *
- * This file provides architecture independent functions to manipulate blocks of
- * memory. These functions are optimized as much as generic functions of this
- * type can be. However, architectures are free to provide even more optimized
- * versions of these functions.
+ * This file provides architecture independent functions to manipulate blocks
+ * of memory. These functions are optimized as much as generic functions of
+ * this type can be.
  */
 
 #include <memstr.h>
 #include <typedefs.h>
-#include <align.h>
 
-/** Copy block of memory.
+/** Fill block of memory.
  *
- * Copy cnt bytes from src address to dst address.  The copying is done
- * word-by-word and then byte-by-byte.  The source and destination memory areas
- * cannot overlap.
+ * Fill cnt bytes at dst address with the value val.
  *
- * @param src		Source address to copy from.
- * @param dst		Destination address to copy to.
- * @param cnt		Number of bytes to copy.
+ * @param dst Destination address to fill.
+ * @param cnt Number of bytes to fill.
+ * @param val Value to fill.
  *
- * @return		Destination address.
  */
-void *_memcpy(void *dst, const void *src, size_t cnt)
+void memsetb(void *dst, size_t cnt, uint8_t val)
 {
-	unsigned int i, j;
+	memset(dst, val, cnt);
+}
+
+/** Fill block of memory.
+ *
+ * Fill cnt words at dst address with the value val. The filling
+ * is done word-by-word.
+ *
+ * @param dst Destination address to fill.
+ * @param cnt Number of words to fill.
+ * @param val Value to fill.
+ *
+ */
+void memsetw(void *dst, size_t cnt, uint16_t val)
+{
+	size_t i;
+	uint16_t *ptr = (uint16_t *) dst;
 	
-	if (ALIGN_UP((uintptr_t) src, sizeof(sysarg_t)) != (uintptr_t) src ||
-	    ALIGN_UP((uintptr_t) dst, sizeof(sysarg_t)) != (uintptr_t) dst) {
-		for (i = 0; i < cnt; i++)
-			((uint8_t *) dst)[i] = ((uint8_t *) src)[i];
-	} else { 
-		for (i = 0; i < cnt / sizeof(sysarg_t); i++)
-			((sysarg_t *) dst)[i] = ((sysarg_t *) src)[i];
-		
-		for (j = 0; j < cnt % sizeof(sysarg_t); j++)
-			((uint8_t *)(((sysarg_t *) dst) + i))[j] =
-			    ((uint8_t *)(((sysarg_t *) src) + i))[j];
-	}
-		
-	return (char *) dst;
+	for (i = 0; i < cnt; i++)
+		ptr[i] = val;
 }
 
 /** Move memory block with possible overlapping.
  *
- * Copy cnt bytes from src address to dst address. The source and destination
- * memory areas may overlap.
+ * Copy cnt bytes from src address to dst address. The source
+ * and destination memory areas may overlap.
  *
- * @param src		Source address to copy from.
- * @param dst		Destination address to copy to.
- * @param cnt		Number of bytes to copy.
+ * @param dst Destination address to copy to.
+ * @param src Source address to copy from.
+ * @param cnt Number of bytes to copy.
  *
- * @return		Destination address.
+ * @return Destination address.
+ *
  */
-void *memmove(void *dst, const void *src, size_t n)
+void *memmove(void *dst, const void *src, size_t cnt)
 {
-	const uint8_t *sp;
-	uint8_t *dp;
-
 	/* Nothing to do? */
 	if (src == dst)
 		return dst;
-
+	
 	/* Non-overlapping? */
-	if (dst >= src + n || src >= dst + n) {	
-		return memcpy(dst, src, n);
-	}
-
+	if ((dst >= src + cnt) || (src >= dst + cnt))
+		return memcpy(dst, src, cnt);
+	
+	uint8_t *dp;
+	const uint8_t *sp;
+	
 	/* Which direction? */
 	if (src > dst) {
 		/* Forwards. */
+		dp = dst;
 		sp = src;
-		dp = dst;
-
-		while (n-- != 0)
+		
+		while (cnt-- != 0)
 			*dp++ = *sp++;
 	} else {
 		/* Backwards. */
-		sp = src + (n - 1);
-		dp = dst + (n - 1);
-
-		while (n-- != 0)
+		dp = dst + (cnt - 1);
+		sp = src + (cnt - 1);
+		
+		while (cnt-- != 0)
 			*dp-- = *sp--;
 	}
-
+	
 	return dst;
-}
-
-/** Fill block of memory
- *
- * Fill cnt bytes at dst address with the value x.  The filling is done
- * byte-by-byte.
- *
- * @param dst		Destination address to fill.
- * @param cnt		Number of bytes to fill.
- * @param x		Value to fill.
- *
- */
-void _memsetb(void *dst, size_t cnt, uint8_t x)
-{
-	unsigned int i;
-	uint8_t *p = (uint8_t *) dst;
-	
-	for (i = 0; i < cnt; i++)
-		p[i] = x;
-}
-
-/** Fill block of memory.
- *
- * Fill cnt words at dst address with the value x.  The filling is done
- * word-by-word.
- *
- * @param dst		Destination address to fill.
- * @param cnt		Number of words to fill.
- * @param x		Value to fill.
- *
- */
-void _memsetw(void *dst, size_t cnt, uint16_t x)
-{
-	unsigned int i;
-	uint16_t *p = (uint16_t *) dst;
-	
-	for (i = 0; i < cnt; i++)
-		p[i] = x;	
 }
 
Index: kernel/generic/src/main/main.c
===================================================================
--- kernel/generic/src/main/main.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/generic/src/main/main.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -58,5 +58,4 @@
 #include <proc/thread.h>
 #include <proc/task.h>
-#include <proc/tasklet.h>
 #include <main/kinit.h>
 #include <main/version.h>
@@ -217,5 +216,4 @@
 	tlb_init();
 	ddi_init();
-	tasklet_init();
 	arch_post_mm_init();
 	arch_pre_smp_init();
Index: kernel/generic/src/mm/backend_elf.c
===================================================================
--- kernel/generic/src/mm/backend_elf.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ kernel/generic/src/mm/backend_elf.c	(revision ccca251bb0673718b534366ace0e22857d73804b)
@@ -91,7 +91,11 @@
 	if (!as_area_check_access(area, access))
 		return AS_PF_FAULT;
-
-	ASSERT((addr >= ALIGN_DOWN(entry->p_vaddr, PAGE_SIZE)) &&
-	    (addr < entry->p_vaddr + entry->p_memsz));
+	
+	if (addr < ALIGN_DOWN(entry->p_vaddr, PAGE_SIZE))
+		return AS_PF_FAULT;
+	
+	if (addr >= entry->p_vaddr + entry->p_memsz)
+		return AS_PF_FAULT;
+	
 	i = (addr - ALIGN_DOWN(entry->p_vaddr, PAGE_SIZE)) >> PAGE_WIDTH;
 	base = (uintptr_t)
Index: kernel/generic/src/proc/tasklet.c
===================================================================
--- kernel/generic/src/proc/tasklet.c	(revision f6bffeebe3a4e9f347a03931d2c463a8718cd991)
+++ 	(revision )
@@ -1,64 +1,0 @@
-/*
- * Copyright (c) 2007 Jan Hudecek
- * Copyright (c) 2008 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.
- */
-
-/** @addtogroup genericproc
- * @{
- */
-/** @file tasklet.c
- *  @brief Tasklet implementation
- */
-
-#include <proc/tasklet.h>
-#include <synch/spinlock.h>
-#include <mm/slab.h>
-#include <config.h>
-
-/** Spinlock protecting list of tasklets */
-SPINLOCK_INITIALIZE(tasklet_lock);
-
-/** Array of tasklet lists for every CPU */
-tasklet_descriptor_t **tasklet_list;
-
-void tasklet_init(void)
-{
-	unsigned int i;
-	
-	tasklet_list = malloc(sizeof(tasklet_descriptor_t *) * config.cpu_count, 0);
-	if (!tasklet_list)
-		panic("Error initializing tasklets.");
-	
-	for (i = 0; i < config.cpu_count; i++)
-		tasklet_list[i] = NULL;
-	
-	spinlock_initialize(&tasklet_lock, "tasklet_lock");
-}
-
-
-/** @}
- */
