Changeset e11ae91 in mainline for kernel/arch/sparc64/include/context.h

Timestamp:

2006-08-30T11:31:25Z (18 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

ee454eb

Parents:

0fa6044

Message:

sparc64 work.

• Modify before_thread_runs_arch() to store addresses of the kernel stack and

userspace window buffer, resp., to registers %g6 and %g7, resp, in the
alternate and interrupt global sets.

• Modify after_thread_ran_arch() to sample %g7 from the alternate globals.
• Implement trap handler for spilling register windows into userspace window buffer.
• Implement assembly language functions to access %g6 and %g7 registers in the alternate sets.
• Initialize the trap table so that there are now also spill_1_normal, spill_2_normal,

spill_0_other and fill_1_normal handlers. These handlers are used in different situations
and for different purposes.

File:

• kernel/arch/sparc64/include/context.h (modified) (1 diff)

kernel/arch/sparc64/include/context.h

@@ -55 +55 @@
 
 #define context_set(c, _pc, stack, size)                                                                \
-        (c)->pc = ((uintptr_t) _pc) - 8;                                                                \
-        (c)->sp = ((uintptr_t) stack) + ALIGN_UP((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA);    \
+        (c)->pc = ((uintptr_t) _pc) - 8;                                                                \
+        (c)->sp = ((uintptr_t) stack) + ALIGN_UP((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA);    \
         (c)->fp = -STACK_BIAS;                                                                          \
         (c)->cleanwin = 0