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Re: [Xen-devel] Re: [Xen-ia64-devel] [PATCH][QEMU] Add IA64-specific code for new qemu.
- To: "Akio Takebe" <takebe_akio@xxxxxxxxxxxxxx>
- From: "Christian Limpach" <christian.limpach@xxxxxxxxx>
- Date: Wed, 26 Jul 2006 13:41:56 +0100
- Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, "Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx>, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 26 Jul 2006 05:42:32 -0700
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On 7/26/06, Akio Takebe <takebe_akio@xxxxxxxxxxxxxx> wrote:
Hi, Xiantao
Is the following testandset redefine?
diff -r bbabdebc54ad tools/ioemu/exec-all.h
--- a/tools/ioemu/exec-all.h Wed Jul 19 21:13:36 2006 +0100
+++ b/tools/ioemu/exec-all.h Tue Jul 25 09:30:05 2006 +0800
@@ -391,6 +391,15 @@ static inline int testandset (int *p)
}
#endif
+#ifdef __ia64__
+#include "ia64_intrinsic.h"
+static inline int testandset (int *p)
+{
+ uint32_t o = 0, n = 1;
+ return (int)cmpxchg_acq(p, o, n);
+}
+#endif
+
#ifdef __s390__
static inline int testandset (int *p)
{
I've merged it with the existing __ia64 case.
christian
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