Changeset 778c1e1 in mainline for arch/sparc64/src/trap/trap.c

Timestamp:

2006-02-22T14:52:18Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

7d53ef4

Parents:

effee6f

Message:

Move OFW functionality of ppc32 memory_init to genarch so that the code can also be used by sparc64.
sparc64 is now close to broken as it lacks functionality to provide identity mapping for the whole phyisical memory.

File:

• arch/sparc64/src/trap/trap.c (modified) (2 diffs)

arch/sparc64/src/trap/trap.c

@@ -32 +32 @@
 #include <arch/trap/exception.h>
 #include <arch/trap/interrupt.h>
+#include <arch/trap/mmu.h>
 #include <arch/asm.h>
 #include <memstr.h>
@@ -81 +82 @@
         trap_install_handler(TT_INTERRUPT_LEVEL_15, INTERRUPT_LEVEL_N_HANDLER_SIZE, false);
         trap_install_handler(TT_INTERRUPT_VECTOR_TRAP, INTERRUPT_VECTOR_TRAP_HANDLER_SIZE, false);
+
+        /*
+         * Kernel must become independent on Open Firmware calls before MMU handlers are enabled.
+         */
+/*
+        trap_install_handler(TT_FAST_INSTRUCTION_ACCESS_MMU_MISS, FAST_MMU_HANDLER_SIZE, false);
+        trap_install_handler(TT_FAST_DATA_ACCESS_MMU_MISS, FAST_MMU_HANDLER_SIZE, false);
+        trap_install_handler(TT_FAST_DATA_ACCESS_PROTECTION, FAST_MMU_HANDLER_SIZE, false);
+        trap_install_handler(TT_FAST_INSTRUCTION_ACCESS_MMU_MISS, FAST_MMU_HANDLER_SIZE, true);
+        trap_install_handler(TT_FAST_DATA_ACCESS_MMU_MISS, FAST_MMU_HANDLER_SIZE, true);
+        trap_install_handler(TT_FAST_DATA_ACCESS_PROTECTION, FAST_MMU_HANDLER_SIZE, true);
+*/
+
 }