Changeset feb5915 in mainline for arch/sparc64/include/trap/trap_table.h

Timestamp:

2005-12-29T19:17:29Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

80bff342

Parents:

7614565

Message:

sparc64 work.
Rename saving_handler() to preemptible_handler()
and fix it to make sparc64 kernel preemptive.
Add two handlers for two fatal exceptions (i.e.
instruction_access_exception and mem_address_not_aligned.
Fix panic_printf() to not allocate its own register window.

File:

• arch/sparc64/include/trap/trap_table.h (modified) (1 diff)

arch/sparc64/include/trap/trap_table.h

@@ -72 +72 @@
 .endm
 
-.macro SAVING_HANDLER f
+#define PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE    (STACK_WINDOW_SAVE_AREA_SIZE+(4*8))
+#define SAVED_TSTATE    -(1*8)
+#define SAVED_TPC       -(2*8)
+#define SAVED_TNPC      -(3*8)
+#define SAVED_PSTATE    -(4*8)
+
+.macro PREEMPTIBLE_HANDLER f
         set \f, %l0
-        b saving_handler
+        b preemptible_handler
+        nop
+.endm
+
+.macro SIMPLE_HANDLER f
+        call \f
         nop
 .endm