Skip to contentSkip to conversation

Clear BEV in init_traps

PATCH New Bradley D. LaRonde 1 participant 1 message Mar 22, 2002 MIPS

lore
Share & tools
lore

Bradley D. LaRonde

author
#0 lore raw

PATCH 1/1 Clear BEV in init_traps

This used to happen in head.S, then got moved to per_cpu_trap_init, but that only covers secondary cpus. This takes care of the boot cpu.

Regards,
Brad

arch/mips/kernel/traps.c renamed from oss/linux-oss-2.4-2002-03-19/arch/mips/kernel/traps.c +3 -0
diff -urNbB -X ../diff-linux-exclude ../oss/linux-oss-2.4-2002-03-19/arch/mips/kernel/traps.c linux-encore-oss-merge/arch/mips/kernel/traps.c
@@ -852,6 +852,9 @@
 	extern char except_vec_ejtag_debug;
 	unsigned long i;
 
+	/* Some firmware leaves the BEV flag set, clear it.  */
+	clear_cp0_status(ST0_BEV);
+
 	/* Copy the generic exception handler code to it's final destination. */
 	memcpy((void *)(KSEG0 + 0x80), &except_vec1_generic, 0x80);
 	memcpy((void *)(KSEG0 + 0x100), &except_vec2_generic, 0x80);