Changeset b3211b5a in rtems

Timestamp:

Oct 31, 2013, 2:23:23 PM (6 years ago)

Author:

Daniel Hellstrom <daniel@…>

Branches:

4.11, master

Children:

ffc862c

Parents:

82e11be2

git-author:

Daniel Hellstrom <daniel@…> (10/31/13 14:23:23)

git-committer:

Sebastian Huber <sebastian.huber@…> (10/31/13 14:31:06)

Message:

SPARC BSPs: disable interrupts as early as possible

There is no point having interrupts enabled before reaching
boot_card() that disables interrupt. We better have it off
all the time.

It is required to turn off interrupt on secondary CPUs in an
SMP system.

File:

• c/src/lib/libbsp/sparc/shared/start.S (modified) (1 diff)

c/src/lib/libbsp/sparc/shared/start.S

@@ -227 +227 @@
         mov     %g3, %wim
 
-        or      %g1, 0x20, %g1
-        wr      %g1, %psr               ! enable traps
+        or      %g1, 0xf20, %g1
+        wr      %g1, %psr               ! enable traps and disable ints
 
         nop