1 files changed, 41 insertions, 0 deletions

diff --git a/arch/alpha/include/asm/special_insns.h b/arch/alpha/include/asm/special_insns.h
new file mode 100644
index 000000000000..88d3452b21f0
--- /dev/null
+++ b/arch/alpha/include/asm/special_insns.h
@@ -0,0 +1,41 @@
+#ifndef __ALPHA_SPECIAL_INSNS_H
+#define __ALPHA_SPECIAL_INSNS_H
+
+enum implver_enum {
+        IMPLVER_EV4,
+        IMPLVER_EV5,
+        IMPLVER_EV6
+};
+
+#ifdef CONFIG_ALPHA_GENERIC
+#define implver()                               \
+({ unsigned long __implver;                     \
+   __asm__ ("implver %0" : "=r"(__implver));    \
+   (enum implver_enum) __implver; })
+#else
+/* Try to eliminate some dead code.  */
+#ifdef CONFIG_ALPHA_EV4
+#define implver() IMPLVER_EV4
+#endif
+#ifdef CONFIG_ALPHA_EV5
+#define implver() IMPLVER_EV5
+#endif
+#if defined(CONFIG_ALPHA_EV6)
+#define implver() IMPLVER_EV6
+#endif
+#endif
+
+enum amask_enum {
+        AMASK_BWX = (1UL << 0),
+        AMASK_FIX = (1UL << 1),
+        AMASK_CIX = (1UL << 2),
+        AMASK_MAX = (1UL << 8),
+        AMASK_PRECISE_TRAP = (1UL << 9),
+};
+
+#define amask(mask)                                             \
+({ unsigned long __amask, __input = (mask);                     \
+   __asm__ ("amask %1,%0" : "=r"(__amask) : "rI"(__input));     \
+   __amask; })
+
+#endif /* __ALPHA_SPECIAL_INSNS_H */