Changeset d364e94 in mainline for kernel/arch/sparc64/src/trap/trap_table.S

Timestamp:

2008-10-02T20:24:01Z (16 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

1d132ae

Parents:

c2ad500

Message:

Do not allocate full page for the uspace window buffer.
Instead, allocate only the bare minimum to fit NWINDOWS - 1
uspace windows and to satisfy alignment requirements.

File:

• kernel/arch/sparc64/src/trap/trap_table.S (modified) (1 diff)

kernel/arch/sparc64/src/trap/trap_table.S

@@ -749 +749 @@
          */
         clr %g4
-        set PAGE_SIZE - 1, %g5
-0:      andcc %g7, %g5, %g0                     ! PAGE_SIZE alignment check
-        bz 0f                                   ! %g7 is page-aligned, no more windows to refill
+0:      andcc %g7, UWB_ALIGNMENT - 1, %g0       ! alignment check
+        bz 0f                                   ! %g7 is UWB_ALIGNMENT-aligned, no more windows to refill
         nop