Index: kernel/arch/mips32/src/cpu/cpu.c
===================================================================
--- kernel/arch/mips32/src/cpu/cpu.c	(revision 228666c006a3414de772f08f77335c546dd21aab)
+++ kernel/arch/mips32/src/cpu/cpu.c	(revision a000878c0dee83a08f032207ffd800c201fca95b)
@@ -40,6 +40,6 @@
 
 struct data_t {
-	char *vendor;
-	char *model;
+	const char *vendor;
+	const char *model;
 };
 
Index: kernel/arch/mips32/src/debugger.c
===================================================================
--- kernel/arch/mips32/src/debugger.c	(revision 228666c006a3414de772f08f77335c546dd21aab)
+++ kernel/arch/mips32/src/debugger.c	(revision a000878c0dee83a08f032207ffd800c201fca95b)
@@ -253,14 +253,13 @@
 {
 	unsigned int i;
-	char *symbol;
 	
 	printf("#  Count Address    INPROG ONESHOT FUNCCALL In symbol\n");
 	printf("-- ----- ---------- ------ ------- -------- ---------\n");
 	
-	for (i = 0; i < BKPOINTS_MAX; i++)
+	for (i = 0; i < BKPOINTS_MAX; i++) {
 		if (breakpoints[i].address) {
-			symbol = symtab_fmt_name_lookup(
+			const char *symbol = symtab_fmt_name_lookup(
 			    breakpoints[i].address);
-
+			
 			printf("%-2u %-5d %#10zx %-6s %-7s %-8s %s\n", i,
 			    breakpoints[i].counter, breakpoints[i].address,
@@ -270,4 +269,6 @@
 			    BKPOINT_FUNCCALL) ? "true" : "false"), symbol);
 		}
+	}
+	
 	return 1;
 }
Index: kernel/arch/mips32/src/exception.c
===================================================================
--- kernel/arch/mips32/src/exception.c	(revision 228666c006a3414de772f08f77335c546dd21aab)
+++ kernel/arch/mips32/src/exception.c	(revision a000878c0dee83a08f032207ffd800c201fca95b)
@@ -49,5 +49,5 @@
 #include <symtab.h>
 
-static char * exctable[] = {
+static const char *exctable[] = {
 	"Interrupt",
 	"TLB Modified",
@@ -74,9 +74,7 @@
 static void print_regdump(istate_t *istate)
 {
-	char *pcsymbol, *rasymbol;
-
-	pcsymbol = symtab_fmt_name_lookup(istate->epc);
-	rasymbol = symtab_fmt_name_lookup(istate->ra);
-
+	const char *pcsymbol = symtab_fmt_name_lookup(istate->epc);
+	const char *rasymbol = symtab_fmt_name_lookup(istate->ra);
+	
 	printf("PC: %#x(%s) RA: %#x(%s), SP(%p)\n", istate->epc, pcsymbol,
 	    istate->ra, rasymbol, istate->sp);
@@ -93,9 +91,9 @@
 static void reserved_instr_exception(int n, istate_t *istate)
 {
-	if (*((uint32_t *)istate->epc) == 0x7c03e83b) {
+	if (*((uint32_t *) istate->epc) == 0x7c03e83b) {
 		ASSERT(THREAD);
 		istate->epc += 4;
 		istate->v1 = istate->k1;
-	} else 
+	} else
 		unhandled_exception(n, istate);
 }
Index: kernel/arch/mips32/src/mm/tlb.c
===================================================================
--- kernel/arch/mips32/src/mm/tlb.c	(revision 228666c006a3414de772f08f77335c546dd21aab)
+++ kernel/arch/mips32/src/mm/tlb.c	(revision a000878c0dee83a08f032207ffd800c201fca95b)
@@ -321,8 +321,6 @@
 void tlb_refill_fail(istate_t *istate)
 {
-	char *symbol, *sym2;
-
-	symbol = symtab_fmt_name_lookup(istate->epc);
-	sym2 = symtab_fmt_name_lookup(istate->ra);
+	const char *symbol = symtab_fmt_name_lookup(istate->epc);
+	const char *sym2 = symtab_fmt_name_lookup(istate->ra);
 	
 	fault_if_from_uspace(istate, "TLB Refill Exception on %p.",
@@ -335,8 +333,6 @@
 void tlb_invalid_fail(istate_t *istate)
 {
-	char *symbol;
-
-	symbol = symtab_fmt_name_lookup(istate->epc);
-
+	const char *symbol = symtab_fmt_name_lookup(istate->epc);
+	
 	fault_if_from_uspace(istate, "TLB Invalid Exception on %p.",
 	    cp0_badvaddr_read());
@@ -347,8 +343,6 @@
 void tlb_modified_fail(istate_t *istate)
 {
-	char *symbol;
-
-	symbol = symtab_fmt_name_lookup(istate->epc);
-
+	const char *symbol = symtab_fmt_name_lookup(istate->epc);
+	
 	fault_if_from_uspace(istate, "TLB Modified Exception on %p.",
 	    cp0_badvaddr_read());