Module Name: src
Committed By: skrll
Date: Wed Aug 12 08:56:37 UTC 2020
Modified Files:
src/sys/arch/mips/include: asm.h
Log Message:
Provide assmebler versions of BITS(3) macros. These are only good for
32 bit masks
To generate a diff of this commit:
cvs rdiff -u -r1.60 -r1.61 src/sys/arch/mips/include/asm.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/mips/include/asm.h
diff -u src/sys/arch/mips/include/asm.h:1.60 src/sys/arch/mips/include/asm.h:1.61
--- src/sys/arch/mips/include/asm.h:1.60 Mon Aug 10 14:37:38 2020
+++ src/sys/arch/mips/include/asm.h Wed Aug 12 08:56:37 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: asm.h,v 1.60 2020/08/10 14:37:38 skrll Exp $ */
+/* $NetBSD: asm.h,v 1.61 2020/08/12 08:56:37 skrll Exp $ */
/*
* Copyright (c) 1992, 1993
@@ -57,6 +57,13 @@
#include <sys/cdefs.h> /* for API selection */
#include <mips/regdef.h>
+#define __BIT(n) (1 << (n))
+#define __BITS(hi,lo) ((~((~0)<<((hi)+1)))&((~0)<<(lo)))
+
+#define __LOWEST_SET_BIT(__mask) ((((__mask) - 1) & (__mask)) ^ (__mask))
+#define __SHIFTOUT(__x, __mask) (((__x) & (__mask)) / __LOWEST_SET_BIT(__mask))
+#define __SHIFTIN(__x, __mask) ((__x) * __LOWEST_SET_BIT(__mask))
+
/*
* Define -pg profile entry code.
* Must always be noreorder, must never use a macro instruction
