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authorJack Steiner <steiner@sgi.com>2005-05-10 08:01:00 -0700
committerTony Luck <tony.luck@intel.com>2005-06-28 09:45:45 -0700
commit71a5d027c90dd7e14ddaaf22358ff5138ba89ec9 (patch)
treec29d3d858532c651f686cccca286336232b788fd /include/asm-ia64
parent8e4641b3ee8073a46995cf97e0875df25b88d776 (diff)
[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>
Diffstat (limited to 'include/asm-ia64')
-rw-r--r--include/asm-ia64/sn/simulator.h13
-rw-r--r--include/asm-ia64/sn/sn_sal.h10
2 files changed, 17 insertions, 6 deletions
diff --git a/include/asm-ia64/sn/simulator.h b/include/asm-ia64/sn/simulator.h
index 78eb4f869c8..cf770e246af 100644
--- a/include/asm-ia64/sn/simulator.h
+++ b/include/asm-ia64/sn/simulator.h
@@ -10,16 +10,17 @@
#include <linux/config.h>
-#ifdef CONFIG_IA64_SGI_SN_SIM
-
#define SNMAGIC 0xaeeeeeee8badbeefL
-#define IS_RUNNING_ON_SIMULATOR() ({long sn; asm("mov %0=cpuid[%1]" : "=r"(sn) : "r"(2)); sn == SNMAGIC;})
-
-#define SIMULATOR_SLEEP() asm("nop.i 0x8beef")
+#define IS_MEDUSA() ({long sn; asm("mov %0=cpuid[%1]" : "=r"(sn) : "r"(2)); sn == SNMAGIC;})
+#ifdef CONFIG_IA64_SGI_SN_SIM
+#define SIMULATOR_SLEEP() asm("nop.i 0x8beef")
+#define IS_RUNNING_ON_SIMULATOR() (sn_prom_type)
+#define IS_RUNNING_ON_FAKE_PROM() (sn_prom_type == 2)
+extern int sn_prom_type; /* 0=hardware, 1=medusa/realprom, 2=medusa/fakeprom */
#else
-
#define IS_RUNNING_ON_SIMULATOR() (0)
+#define IS_RUNNING_ON_FAKE_PROM() (0)
#define SIMULATOR_SLEEP()
#endif
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h
index eb0395ad0d6..1455375d2ce 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 @@ ia64_sn_bte_recovery(nasid_t nasid)
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 */