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authorCharles.Forsyth <devnull@localhost>2006-12-22 17:07:39 +0000
committerCharles.Forsyth <devnull@localhost>2006-12-22 17:07:39 +0000
commit37da2899f40661e3e9631e497da8dc59b971cbd0 (patch)
treecbc6d4680e347d906f5fa7fca73214418741df72 /emu/MacOSX/asm-power.s
parent54bc8ff236ac10b3eaa928fd6bcfc0cdb2ba46ae (diff)
20060303a
Diffstat (limited to 'emu/MacOSX/asm-power.s')
-rw-r--r--emu/MacOSX/asm-power.s36
1 files changed, 36 insertions, 0 deletions
diff --git a/emu/MacOSX/asm-power.s b/emu/MacOSX/asm-power.s
new file mode 100644
index 00000000..d7db8188
--- /dev/null
+++ b/emu/MacOSX/asm-power.s
@@ -0,0 +1,36 @@
+/*
+ * File: asm-power.s
+ *
+ * Copyright (c) 2003, Corpus Callosum Corporation. All rights reserved.
+ */
+
+#include <architecture/ppc/asm_help.h>
+
+.text
+
+LEAF(_FPsave)
+ mffs f0
+ stfd f0,0(r3)
+ blr
+END(_FPsave)
+
+LEAF(_FPrestore)
+ lfd f0,0(r3)
+ mtfsf 0xff,f0
+ blr
+END(_FPrestore)
+
+LEAF(__tas)
+ sync
+ mr r4,r3
+ addi r5,0,0x1
+1:
+ lwarx r3,0,r4
+ cmpwi r3,0x0
+ bne- 2f
+ stwcx. r5,0,r4
+ bne- 1b /* Lost reservation, try again */
+2:
+ sync
+ blr
+END(__tas)