patch-2.1.43 linux/include/asm-sparc64/pstate.h

• Lines: 40
• Date: Thu Jun 12 16:22:10 1997
• Orig file: v2.1.42/linux/include/asm-sparc64/pstate.h
• Orig date: Mon Apr 14 16:28:23 1997

diff -u --recursive --new-file v2.1.42/linux/include/asm-sparc64/pstate.h linux/include/asm-sparc64/pstate.h
@@ -1,4 +1,4 @@
-/* $Id: pstate.h,v 1.3 1997/03/25 03:58:31 davem Exp $ */
+/* $Id: pstate.h,v 1.4 1997/05/29 12:45:02 jj Exp $ */
 #ifndef _SPARC64_PSTATE_H
 #define _SPARC64_PSTATE_H
 
@@ -78,5 +78,33 @@
 #define VERS_MASK	0x00000000ff000000	/* Mask Set Revision.		*/
 #define VERS_MAXTL	0x000000000000ff00	/* Maximum Trap Level.		*/
 #define VERS_MAXWIN	0x000000000000001f	/* Maximum Reg Window Index.	*/
+
+#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
+#define set_pstate(bits)					\
+	__asm__ __volatile__(					\
+		"rdpr      %%pstate, %%g1\n\t"			\
+		"or        %%g1, %0, %%g1\n\t"			\
+		"wrpr      %%g1, 0x0, %%pstate\n\t"		\
+		: /* no outputs */				\
+		: "i" (bits)					\
+		: "g1")
+
+#define clear_pstate(bits)					\
+	__asm__ __volatile__(					\
+		"rdpr      %%pstate, %%g1\n\t"			\
+		"andn        %%g1, %0, %%g1\n\t"		\
+		"wrpr      %%g1, 0x0, %%pstate\n\t"		\
+		: /* no outputs */				\
+		: "i" (bits)					\
+		: "g1")
+
+#define change_pstate(bits)					\
+	__asm__ __volatile__(					\
+		"rdpr      %%pstate, %%g1\n\t"			\
+		"wrpr      %%g1, %0, %%pstate\n\t"		\
+		: /* no outputs */				\
+		: "i" (bits)					\
+		: "g1")
+#endif
 
 #endif /* !(_SPARC64_PSTATE_H) */