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-rw-r--r--arch/sparc/include/asm/asmmacro.h45
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diff --git a/arch/sparc/include/asm/asmmacro.h b/arch/sparc/include/asm/asmmacro.h
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+/* asmmacro.h: Assembler macros.
+ *
+ * Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu)
+ */
+
+#ifndef _SPARC_ASMMACRO_H
+#define _SPARC_ASMMACRO_H
+
+#include <asm/btfixup.h>
+#include <asm/asi.h>
+
+#define GET_PROCESSOR4M_ID(reg) \
+ rd %tbr, %reg; \
+ srl %reg, 12, %reg; \
+ and %reg, 3, %reg;
+
+#define GET_PROCESSOR4D_ID(reg) \
+ lda [%g0] ASI_M_VIKING_TMP1, %reg;
+
+/* All trap entry points _must_ begin with this macro or else you
+ * lose. It makes sure the kernel has a proper window so that
+ * c-code can be called.
+ */
+#define SAVE_ALL_HEAD \
+ sethi %hi(trap_setup), %l4; \
+ jmpl %l4 + %lo(trap_setup), %l6;
+#define SAVE_ALL \
+ SAVE_ALL_HEAD \
+ nop;
+
+/* All traps low-level code here must end with this macro. */
+#define RESTORE_ALL b ret_trap_entry; clr %l6;
+
+/* sun4 probably wants half word accesses to ASI_SEGMAP, while sun4c+
+ likes byte accesses. These are to avoid ifdef mania. */
+
+#ifdef CONFIG_SUN4
+#define lduXa lduha
+#define stXa stha
+#else
+#define lduXa lduba
+#define stXa stba
+#endif
+
+#endif /* !(_SPARC_ASMMACRO_H) */