Changeset 3bc42bd in mainline for uspace/lib/c/arch/sparc32/src/fibril.S

Timestamp:

2013-11-26T18:49:32Z (11 years ago)

Author:

Jakub Klama <jakub.klama@…>

Branches:

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

Children:

a218709

Parents:

a7372ccf

Message:

Added register window flushes in userspace when apporiate
and done some minor fixes.

File:

• uspace/lib/c/arch/sparc32/src/fibril.S (modified) (3 diffs)

uspace/lib/c/arch/sparc32/src/fibril.S

@@ -31 +31 @@
 .text
 
+.global flush_windows
 .global context_save
 .global context_restore
@@ -39 +40 @@
         # should a thread switch occur.
         #
+        mov 7, %g1
+1:      subcc %g1, 1, %g1
+        bg 1b
+        save %sp, -64, %sp
+
+        mov 7, %g1
+1:      subcc %g1, 1, %g1
+        bg 1b
+        restore
+
         CONTEXT_SAVE_ARCH_CORE %o0
         retl
@@ -52 +63 @@
 # XXX
 #       flushw
+#        ta 0x4f
+#        nop
+        mov 7, %g1
+1:      subcc %g1, 1, %g1
+        bg 1b
+        save %sp, -64, %sp
+
+        mov 7, %g1
+1:      subcc %g1, 1, %g1
+        bg 1b
+        restore
         
         CONTEXT_RESTORE_ARCH_CORE %o0