diff --git a/libxenon/drivers/diskio/ata.c b/libxenon/drivers/diskio/ata.c
index 6dbcbbee..f0bea23f 100644
--- a/libxenon/drivers/diskio/ata.c
+++ b/libxenon/drivers/diskio/ata.c
@@ -458,7 +458,7 @@ xenon_atapi_inquiry_model(struct xenon_ata_device *dev) {
 
 	buf[8 + 24] = '\0';
 	strncpy(dev->model, &buf[8], sizeof(dev->model));
-	printf("ATAPI inquiry model: %s %d\n", dev->model);
+	printf("ATAPI inquiry model: %s\n", dev->model);
 
 	return 0;
 }
@@ -703,7 +703,7 @@ xenon_ata_init1(struct xenon_ata_device *dev, uint32_t ioaddress, uint32_t ioadd
 	xenon_ata_regget2(dev, XENON_ATA_REG2_CONTROL);
 	xenon_ata_regget2(dev, XENON_ATA_REG2_CONTROL);
 
-	printf("SATA device at %08lx\n", dev->ioaddress);
+	printf("SATA device at %08x\n", dev->ioaddress);
 
 	return 0;
 }
diff --git a/libxenon/drivers/elf/elf.c b/libxenon/drivers/elf/elf.c
index 1b981fa0..49d35f34 100644
--- a/libxenon/drivers/elf/elf.c
+++ b/libxenon/drivers/elf/elf.c
@@ -5,6 +5,13 @@ Copyright (C) 2010-2011  Hector Martin "marcan" <hector@marcansoft.com>
 This code is licensed to you under the terms of the GNU GPL, version 2;
 see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
 */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpointer-to-int-cast"
+#pragma GCC diagnostic ignored "-Wincompatible-pointer-types"
+#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
+#pragma GCC diagnostic ignored "-Wint-conversion"
+#pragma GCC diagnostic ignored "-Wdiscarded-qualifiers"
+#pragma GCC diagnostic ignored "-Wunused-variable"
 
 #include <fcntl.h>
 #include <libfdt/libfdt.h>
@@ -18,6 +25,7 @@ see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
 #include <time/time.h>
 #include <unistd.h>
 #include <xenon_soc/xenon_power.h>
+#include <console/console.h>
 
 #include "elf.h"
 #include "elf_abi.h"
@@ -355,7 +363,7 @@ static int elf_VerifyHeaders(void *addr, int size) {
   for (int i = 0; i < ehdr->e_phnum; i++) {
     phdr = (Elf32_Phdr *)(addr + ehdr->e_phoff + (i * sizeof(Elf32_Phdr)));
     if (phdr->p_offset + phdr->p_filesz > size) {
-      printf("ELF: Program header %d exceeds file size! (0x%.8X > 0x%.8X)\n",
+      printf("ELF: Program header exceeds file size! (0x%.8X > 0x%.8X)\n",
              phdr->p_offset + phdr->p_filesz, size);
       return -1;
     }
@@ -371,7 +379,7 @@ int elf_runFromMemory(void *addr, int size) {
   int i;
 
   if (elf_VerifyHeaders(addr, size) != 0) {
-    printf(" * Elf headers invalid, abort!\n", addr);
+    printf(" * Elf headers invalid, abort!\n");
     return -1;
   }
 
@@ -386,7 +394,7 @@ int elf_runFromMemory(void *addr, int size) {
     return -1;
   }
 
-  printf(" * Executing @ 0x%.8X size 0x%.8X...\n", addr, size);
+  printf(" * Executing @ %p size 0x%.8X...\n", addr, size);
   shutdown_drivers();
 
   // relocate our code
@@ -625,7 +633,7 @@ void kernel_relocate_initrd(void *start, size_t size) {
   initrd_start = INITRD_RELOC_START;
   initrd_size = size;
 
-  printf("Initrd at %p/0x%lx: %ld bytes (%ldKiB)\n", initrd_start,
+  printf("Initrd at %p/0x%x: %d bytes (%dKiB)\n", initrd_start,
          (u32)PHYSADDR((u32)initrd_start), initrd_size, initrd_size / 1024);
 }
 
@@ -651,3 +659,5 @@ void kernel_build_cmdline(const char *parameters, const char *root) {
 
   printf("Kernel command line: '%s'\n", bootargs);
 }
+
+#pragma GCC diagnostic pop
diff --git a/libxenon/drivers/iso9660/iso9660.c b/libxenon/drivers/iso9660/iso9660.c
index 25abfa44..3dff280a 100644
--- a/libxenon/drivers/iso9660/iso9660.c
+++ b/libxenon/drivers/iso9660/iso9660.c
@@ -29,6 +29,11 @@ ISO9660 systems, as these were used as references as well.
 
 */
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-function"
+#pragma GCC diagnostic ignored "-Wbool-compare"
+#pragma GCC diagnostic ignored "-Wdiscarded-qualifiers"
+
 #include <iso9660/iso9660.h>
 #include <xetypes.h>
 #include <ppc/atomic.h>
@@ -1223,4 +1228,6 @@ const char *ISO9660_GetVolumeLabel(const char *name)
 	if (!check_dev_name(name, devname, sizeof(devname)))
 		return NULL;
 	return name;
-}
\ No newline at end of file
+}
+
+#pragma GCC diagnostic pop
diff --git a/libxenon/drivers/lwip/xenon/netif/enet.c b/libxenon/drivers/lwip/xenon/netif/enet.c
index a50df2a4..e6e1777e 100644
--- a/libxenon/drivers/lwip/xenon/netif/enet.c
+++ b/libxenon/drivers/lwip/xenon/netif/enet.c
@@ -13,6 +13,7 @@
 #include <ppc/cache.h>
 #include <pci/io.h>
 #include <xenon_smc/xenon_gpio.h>
+#include <malloc.h>
 
 #define TX_DESCRIPTOR_NUM 0x10
 #define RX_DESCRIPTOR_NUM 0x10
@@ -385,7 +386,6 @@ static void
 enet_input(struct netif *netif)
 {
 	struct enet_context *context = (struct enet_context *) netif->state;
-	struct eth_hdr *ethhdr;
 	struct pbuf *p;
 
 	p = enet_linkinput(context);
@@ -397,8 +397,6 @@ enet_input(struct netif *netif)
 	lwip_stats.link.recv++;
 #endif /* LINK_STATS */
 
-	ethhdr = p->payload;
-
 	/* pass to network layer */
 	if (ethernet_input(p, netif) != ERR_OK) {
 		pbuf_free(p);
diff --git a/libxenon/drivers/ppc/c_except.c b/libxenon/drivers/ppc/c_except.c
index 6c30ee72..49c131eb 100644
--- a/libxenon/drivers/ppc/c_except.c
+++ b/libxenon/drivers/ppc/c_except.c
@@ -1,3 +1,7 @@
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wrestrict"
+#pragma GCC diagnostic ignored "-Wformat-overflow"
+
 #include <console/console.h>
 #include <ppc/cache.h>
 #include <ppc/register.h>
@@ -51,7 +55,7 @@ static void _cpu_print_stack(void *pc,void *lr,void *r1)
 				sprintf(text,"%s%p",text,(void*)l);
 				break;
 			default:
-				if(p && p->up) sprintf(text,"%s%p",text,(u32)(p->up->lr));
+				if(p && p->up) sprintf(text,"%s0x%x",text,(u32)(p->up->lr));
 				break;
 		}
 	}
@@ -78,7 +82,7 @@ void crashdump(u32 exception,u64 * context)
 	console_clrscr();
 	
 	if (exception){
-		sprintf(text,"\nException vector! (%p)\n\n",exception);
+		sprintf(text,"\nException vector! (0x%x)\n\n",exception);
 	}else{
 		strcpy(text,"\nSegmentation fault!\n\n");
 	}
@@ -119,3 +123,5 @@ void crashdump(u32 exception,u64 * context)
 		}
 	}
 }
+
+#pragma GCC diagnostic pop
diff --git a/libxenon/drivers/ppc/cache.S b/libxenon/drivers/ppc/cache.S
index 97f783df..3015d73d 100644
--- a/libxenon/drivers/ppc/cache.S
+++ b/libxenon/drivers/ppc/cache.S
@@ -11,7 +11,7 @@ memdcbt:
 	add %r4, %r4, %r3
 
 1:
-	dcbt %r0, %r5
+	dcbt 0, %r5
 	addic %r5, %r5, CACHELINE_SIZE /* also clears carry */
 	subic. %r4, %r4, CACHELINE_SIZE
 	bge 1b
@@ -28,7 +28,7 @@ memdcbst:
 	add %r4, %r4, %r3
 
 1:
-	dcbst %r0, %r5
+	dcbst 0, %r5
 	addic %r5, %r5, CACHELINE_SIZE /* also clears carry */
 	subic. %r4, %r4, CACHELINE_SIZE
 	bge 1b
@@ -45,7 +45,7 @@ memdcbf:
 	add %r4, %r4, %r3
 
 1:
-	dcbf %r0, %r5
+	dcbf 0, %r5
 	addic %r5, %r5, CACHELINE_SIZE /* also clears carry */
 	subic. %r4, %r4, CACHELINE_SIZE
 	bge 1b
@@ -62,8 +62,8 @@ memicbi:
 	add %r4, %r4, %r3
 
 1:
-	dcbst %r0, %r5
-	icbi %r0, %r5
+	dcbst 0, %r5
+	icbi 0, %r5
 	addic %r5, %r5, CACHELINE_SIZE /* also clears carry */
 	subic. %r4, %r4, CACHELINE_SIZE
 	bge 1b
diff --git a/libxenon/drivers/usb/tinyehci/ehci.c b/libxenon/drivers/usb/tinyehci/ehci.c
index 487b33cf..c624d45a 100644
--- a/libxenon/drivers/usb/tinyehci/ehci.c
+++ b/libxenon/drivers/usb/tinyehci/ehci.c
@@ -26,6 +26,9 @@
  */
 
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Waddress-of-packed-member"
+#pragma GCC diagnostic ignored "-Wunused-function"
 
 /* magic numbers that can affect system performance */
 #define	EHCI_TUNE_CERR		0	/* 0-3 qtd retries; 0 == don't stop */ /* by  Hermes: i have replaced 3 by 0 and now it don�t hang when i extract the device*/
@@ -1065,3 +1068,5 @@ int ehci_get_device_list(struct ehci_hcd * ehci, u8 maxdev, u8 b0, u8*num, u16*b
 
 #include "usb2.c"
 #include "usbstorage.c"
+
+#pragma GCC diagnostic pop
diff --git a/libxenon/drivers/usb/tinyehci/tinyehci.c b/libxenon/drivers/usb/tinyehci/tinyehci.c
index ba9e473d..13c21923 100644
--- a/libxenon/drivers/usb/tinyehci/tinyehci.c
+++ b/libxenon/drivers/usb/tinyehci/tinyehci.c
@@ -76,7 +76,7 @@ static s32 EHCI_do_one(u32 idx,u32 addr)
 	ehci->caps = (void *)addr;
 	ehci->regs = (void *)(addr + HC_LENGTH(ehci_readl(&ehci->caps->hc_capbase)));	
 	
-	printf("Initialising EHCI bus %d at %p\n",idx,addr);
+	printf("Initialising EHCI bus %d at 0x%x\n",idx,addr);
 	
 	/* Setup EHCI */
 	ehci->hcs_params = ehci_readl(&ehci->caps->hcs_params);
diff --git a/libxenon/drivers/utils/debug.c b/libxenon/drivers/utils/debug.c
index c6ce5ed2..19970de4 100644
--- a/libxenon/drivers/utils/debug.c
+++ b/libxenon/drivers/utils/debug.c
@@ -1,3 +1,6 @@
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wframe-address"
+
 #include <stdlib.h>
 #include <debug.h>
 #include <ppc/register.h>
@@ -25,7 +28,7 @@ static int seems_valid(unsigned int p){
 	return p>=0x80000000 && p<(unsigned int)elfldr_start;
 }
 
-#define DO_RA(x) if(seems_valid(addr) && x<max_depth){ addr=(unsigned int)__builtin_return_address(x); printf("%p; ",addr); }
+#define DO_RA(x) if(seems_valid(addr) && x<max_depth){ addr=(unsigned int)__builtin_return_address(x); printf("0x%x; ",addr); }
 
 void stack_trace(int max_depth)
 {
@@ -71,4 +74,6 @@ void data_breakpoint(void * address, int on_read, int on_write)
         db|=2;
     
     mtspr(dabr,db);
-}
\ No newline at end of file
+}
+
+#pragma GCC diagnostic pop
diff --git a/libxenon/drivers/utils/gmon.c b/libxenon/drivers/utils/gmon.c
index 0e0f550e..3583d345 100644
--- a/libxenon/drivers/utils/gmon.c
+++ b/libxenon/drivers/utils/gmon.c
@@ -47,6 +47,7 @@ static char sccsid[] = "@(#)gmon.c	8.1 (Berkeley) 6/4/93";
 #include <fcntl.h>
 #include <unistd.h>
 #include <debug.h>
+#include <stdlib.h>
 
 char *minbrk;
 
@@ -174,9 +175,8 @@ _mcleanup()
 	if (p->state == GMON_PROF_ERROR)
 		ERR("_mcleanup: tos overflow\n");
 
-	size_t size = sizeof(clockinfo);
-	
 #if 0	
+	size_t size = sizeof(clockinfo);
 	mib[0] = CTL_KERN;
 	mib[1] = KERN_CLOCKRATE;
 	if (sysctl(mib, 2, &clockinfo, &size, NULL, 0) < 0) {
diff --git a/libxenon/drivers/xb360/xb360.c b/libxenon/drivers/xb360/xb360.c
index 3948d2e9..c367601d 100644
--- a/libxenon/drivers/xb360/xb360.c
+++ b/libxenon/drivers/xb360/xb360.c
@@ -682,7 +682,7 @@ int xenon_logical_nand_data_ok()
 int xenon_get_logical_nand_data(void* buf, unsigned int offset, unsigned int len)
 {
 	if (xenon_logical_nand_data_ok() == 0)
-		memcpy(buf, (const void*)(0x80000200C8000000ULL + offset), len);
+		memcpy(buf, (const void*)(0x80000200C8000000ULL + (void *)offset), len);
 	else
 		return -1;
 	return 0;
diff --git a/libxenon/drivers/xenon_nand/xenon_sfcx.c b/libxenon/drivers/xenon_nand/xenon_sfcx.c
index 70e76b50..8c1c7f43 100644
--- a/libxenon/drivers/xenon_nand/xenon_sfcx.c
+++ b/libxenon/drivers/xenon_nand/xenon_sfcx.c
@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <fcntl.h>
+#include <string.h>
 #include <time/time.h>
 #include <xb360/xb360.h>
 #include "xenon_sfcx.h"
@@ -594,7 +595,7 @@ int try_rawflash_internal(char *filename, bool ignoreMetadataCheck)
 		size = RAW_NAND_64;
 	else if((size != 0x1080000)&& (size != RAW_NAND_64)) // 16 M size
 	{
-		printf("error: %s - size %d is not valid image size!\n", filename, size);
+		printf("error: %s - size %ld is not valid image size!\n", filename, size);
 		close(f);
 		return -1;
 	}
@@ -628,7 +629,7 @@ int try_rawflash_internal(char *filename, bool ignoreMetadataCheck)
 	if (f < 0)	
 		return f; //Can't open file!
         
-	printf("%s opened OK, attempting to write 0x%x bytes to flash...\n",filename, size);
+	printf("%s opened OK, attempting to write 0x%lx bytes to flash...\n",filename, size);
 	if(rawflash_writeImage(size, f) == 1)
 		printf("image written, shut down now!\n");
 	else
diff --git a/libxenon/drivers/xenon_smc/xenon_smc.c b/libxenon/drivers/xenon_smc/xenon_smc.c
index 3a513020..fe3bd8c6 100644
--- a/libxenon/drivers/xenon_smc/xenon_smc.c
+++ b/libxenon/drivers/xenon_smc/xenon_smc.c
@@ -13,7 +13,7 @@ void uprintf(const char* format, ...) {
     va_start(args, format);
     char tmp[2048];
 	vsprintf(tmp, format, args);
-	uart_puts(tmp);
+	uart_puts((unsigned char *)tmp);
     va_end(args);
 }
 
diff --git a/libxenon/drivers/xenon_soc/xenon_power.h b/libxenon/drivers/xenon_soc/xenon_power.h
index 685c1eaf..1436ab21 100644
--- a/libxenon/drivers/xenon_soc/xenon_power.h
+++ b/libxenon/drivers/xenon_soc/xenon_power.h
@@ -18,6 +18,7 @@ int  xenon_run_thread_task(int thread, void *stack, void *task);
 int xenon_is_thread_task_running(int thread);
 void xenon_sleep_thread(int thread);
 void xenon_set_single_thread_mode();
+int xenon_get_speed();
 
 #ifdef __cplusplus
 };
diff --git a/libxenon/drivers/xenos/edram.c b/libxenon/drivers/xenos/edram.c
index 2fdaa62c..da90abee 100644
--- a/libxenon/drivers/xenos/edram.c
+++ b/libxenon/drivers/xenos/edram.c
@@ -476,7 +476,7 @@ int edram_p2(int r3, int r4, int r5, int r6, int r7, int r8, int r9, int r10)
 			udelay(5000);
 			if (xenos_read32(0x3c94) & 0x80000000)
 			{
-				printf("ping test: %08lx\n", xenos_read32(0x3c94));
+				printf("ping test: %08x\n", xenos_read32(0x3c94));
 				break;
 			}
 		}
diff --git a/libxenon/drivers/xenos/xenos.c b/libxenon/drivers/xenos/xenos.c
index c294f45f..77fa3bac 100644
--- a/libxenon/drivers/xenos/xenos.c
+++ b/libxenon/drivers/xenos/xenos.c
@@ -45,7 +45,7 @@ static void xenos_ana_write(int addr, uint32_t reg)
 		cycle++;
 	}
 	if (cycle == 1000)
-		printf("\nxenos_ana_write - addr: 0x%X reg: 0x%X - FAILED!\n");
+		printf("\nxenos_ana_write - addr: 0x%X reg: 0x%X - FAILED!\n", addr, reg);
 }
 
 static int isCoronaOrWinchester()
diff --git a/libxenon/ports/xenon/Makefile b/libxenon/ports/xenon/Makefile
index 7088ced4..e8a08659 100644
--- a/libxenon/ports/xenon/Makefile
+++ b/libxenon/ports/xenon/Makefile
@@ -20,7 +20,7 @@ INCLUDES = -I ../../drivers -I ../../include \
 CFLAGS = -g -mcpu=cell -mtune=cell -Os \
 	-maltivec \
 	-ffunction-sections -fdata-sections \
-	-Wall -Wno-format -Wno-attributes -I. -DBYTE_ORDER=BIG_ENDIAN \
+	-Wall -Werror -I. -DBYTE_ORDER=BIG_ENDIAN \
 	-m32 -fno-pic -mpowerpc64 \
 	-D_CFE_=1 -DENDIAN_BIG=1 \
 	$(INCLUDES)
@@ -28,8 +28,7 @@ CFLAGS = -g -mcpu=cell -mtune=cell -Os \
 # we need to fix the toolchain to work with multilib here.
 LIBDIR32 = $(DEVKITXENON)/xenon/lib/32/
 
-CXXFLAGS = $(CFLAGS) -fpermissive -Wno-sign-compare -Werror=int-to-pointer-cast \
-	-Werror=pointer-to-int-cast -Wno-unknown-pragmas  -Wno-unused-value -Wno-unused-variable 
+CXXFLAGS = $(CFLAGS) -fpermissive
 
 AFLAGS = -Iinclude -m32 $(INCLUDES)
 
diff --git a/libxenon/startup/xenon/crt1.c b/libxenon/startup/xenon/crt1.c
index 36e0917c..2049cdc3 100644
--- a/libxenon/startup/xenon/crt1.c
+++ b/libxenon/startup/xenon/crt1.c
@@ -1,4 +1,7 @@
 #include "xetypes.h"
+#include <stdlib.h>
+
+extern int main(int argc, char **argv);
 
 void call_ctors(void)
 {
diff --git a/libxenon/startup/xenon/startup_from_xell.S b/libxenon/startup/xenon/startup_from_xell.S
index 6e856052..5c5e5d65 100644
--- a/libxenon/startup/xenon/startup_from_xell.S
+++ b/libxenon/startup/xenon/startup_from_xell.S
@@ -209,8 +209,8 @@ return_to_xell:
 
 	1:	lwz     %r8,0(%r5)		//Memcopy
 		stw     %r8,0(%r6)
-		dcbst   %r0,%r6		//Flush cache to ram
-		icbi	%r0,%r6
+		dcbst   0,%r6		//Flush cache to ram
+		icbi	0,%r6
 		sync	0
 		isync
 		addi    %r6,%r6,4