Changeset a218709 in mainline for kernel/arch/sparc32/include/arch/context.h

Timestamp:

2013-12-02T23:45:45Z (10 years ago)

Author:

Jakub Klama <jakub.klama@…>

Branches:

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

Children:

2955bb9

Parents:

3bc42bd

Message:

Implement new userspace window trap mechanism, which utilizes MMU probe
to choose between slow (preemptive, involving inserting stack page mapping)
and fast (direct) handlers.

File:

• kernel/arch/sparc32/include/arch/context.h (modified) (1 diff)

kernel/arch/sparc32/include/arch/context.h

@@ -45 +45 @@
 #define context_set(c, _pc, stack, size) \
         do { \
-                (c)->pc = ((uintptr_t) _pc) - 4; \
+                (c)->pc = ((uintptr_t) _pc) - 8; \
                 (c)->sp = ((uintptr_t) stack) + ALIGN_UP((size), \
                     STACK_ALIGNMENT) - (SP_DELTA); \