Merge commit 'v2.6.27-rc1' into x86/urgent

1 files changed, 45 insertions, 0 deletions

diff --git a/arch/sparc/include/asm/asmmacro.h b/arch/sparc/include/asm/asmmacro.h
new file mode 100644
index 000000000000..a619a4d97aae
--- /dev/null
+++ b/arch/sparc/include/asm/asmmacro.h
@@ -0,0 +1,45 @@
+/* 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) */