[IA64-SGI] - new macros for SGI SN simulator
This patch changes some macros that are used when running kernel on the
SGI simulator.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h
index eb0395a..1455375 100644
--- a/include/asm-ia64/sn/sn_sal.h
+++ b/include/asm-ia64/sn/sn_sal.h
@@ -132,6 +132,8 @@
#define SALRET_INVALID_ARG (-2)
#define SALRET_ERROR (-3)
+#define SN_SAL_FAKE_PROM 0x02009999
+
/**
* sn_sal_rev_major - get the major SGI SAL revision number
@@ -1105,4 +1107,12 @@
return (int) rv.status;
}
+static inline int
+ia64_sn_is_fake_prom(void)
+{
+ struct ia64_sal_retval rv;
+ SAL_CALL_NOLOCK(rv, SN_SAL_FAKE_PROM, 0, 0, 0, 0, 0, 0, 0);
+ return (rv.status == 0);
+}
+
#endif /* _ASM_IA64_SN_SN_SAL_H */