Changeset feb5915 in mainline for arch/sparc64/src/trap/trap.c

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/src/trap/trap.c (modified) (2 diffs)

arch/sparc64/src/trap/trap.c

@@ -30 +30 @@
 #include <arch/trap/trap_table.h>
 #include <arch/trap/regwin.h>
+#include <arch/trap/exception.h>
 #include <arch/trap/interrupt.h>
 #include <arch/asm.h>
@@ -54 +55 @@
          * Install kernel-provided handlers.
          */
+        trap_install_handler(TT_INSTRUCTION_ACCESS_EXCEPTION, TRAP_TABLE_ENTRY_SIZE, false);
         trap_install_handler(TT_CLEAN_WINDOW, CLEAN_WINDOW_HANDLER_SIZE, false);
+        trap_install_handler(TT_MEM_ADDRESS_NOT_ALIGNED, TRAP_TABLE_ENTRY_SIZE, false);
         trap_install_handler(TT_SPILL_0_NORMAL, SPILL_HANDLER_SIZE, false);
         trap_install_handler(TT_FILL_0_NORMAL, FILL_HANDLER_SIZE, false);
+        trap_install_handler(TT_INSTRUCTION_ACCESS_EXCEPTION, TRAP_TABLE_ENTRY_SIZE, true);
         trap_install_handler(TT_CLEAN_WINDOW, CLEAN_WINDOW_HANDLER_SIZE, true);
+        trap_install_handler(TT_MEM_ADDRESS_NOT_ALIGNED, TRAP_TABLE_ENTRY_SIZE, true);
         trap_install_handler(TT_SPILL_0_NORMAL, SPILL_HANDLER_SIZE, true);
         trap_install_handler(TT_FILL_0_NORMAL, FILL_HANDLER_SIZE, true);