* [PATCH] Clear BEV in init_traps
@ 2002-03-22 16:48 Bradley D. LaRonde
0 siblings, 0 replies; only message in thread
From: Bradley D. LaRonde @ 2002-03-22 16:48 UTC (permalink / raw)
To: ralf; +Cc: linux-mips
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
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
--- ../oss/linux-oss-2.4-2002-03-19/arch/mips/kernel/traps.c Tue Mar 19 20:18:36 2002
+++ linux-encore-oss-merge/arch/mips/kernel/traps.c Fri Mar 22 09:58:36 2002
@@ -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);
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2002-03-22 16:47 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2002-03-22 16:48 [PATCH] Clear BEV in init_traps Bradley D. LaRonde
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.