[src/trunk]: src/sys/arch/arm Add CPU_IS_ARMV6_P() macro

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/fe94c79bc865
branches:  trunk
changeset: 792097:fe94c79bc865
user:      matt <matt%NetBSD.org@localhost>
date:      Fri Dec 20 06:48:09 2013 +0000

description:
Add CPU_IS_ARMV6_P() macro

diffstat:

 sys/arch/arm/arm/cpufunc.c    |  15 +++++++++++++--
 sys/arch/arm/include/locore.h |   9 +++++++++
 2 files changed, 22 insertions(+), 2 deletions(-)

diffs (69 lines):

diff -r 440510831c03 -r fe94c79bc865 sys/arch/arm/arm/cpufunc.c
--- a/sys/arch/arm/arm/cpufunc.c        Fri Dec 20 01:17:54 2013 +0000
+++ b/sys/arch/arm/arm/cpufunc.c        Fri Dec 20 06:48:09 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cpufunc.c,v 1.131 2013/12/18 12:52:47 skrll Exp $      */
+/*     $NetBSD: cpufunc.c,v 1.132 2013/12/20 06:48:09 matt Exp $       */
 
 /*
  * arm7tdmi support code Copyright (c) 2001 John Fremlin
@@ -49,7 +49,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpufunc.c,v 1.131 2013/12/18 12:52:47 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpufunc.c,v 1.132 2013/12/20 06:48:09 matt Exp $");
 
 #include "opt_compat_netbsd.h"
 #include "opt_cpuoptions.h"
@@ -96,6 +96,11 @@
 bool cpu_armv7_p;
 #endif
 
+#if defined(CPU_ARMV6) && (defined(CPU_ARMV7) || defined(CPU_PRE_ARMV6))
+bool cpu_armv6_p;
+#endif
+
+
 /* PRIMARY CACHE VARIABLES */
 #if (ARM_MMU_V6 + ARM_MMU_V7) != 0
 u_int  arm_cache_prefer_mask;
@@ -1839,6 +1844,9 @@
 #if defined(CPU_ARM11MPCORE)
        if (cputype == CPU_ID_ARM11MPCORE) {
                cpufuncs = arm11mpcore_cpufuncs;
+#if defined(CPU_ARMV7) || defined(CPU_PRE_ARMV6)
+               cpu_armv6_p = true;
+#endif
                get_cachetype_cp15();
                armv5_dcache_sets_inc = 1U << arm_dcache_log2_linesize;
                armv5_dcache_sets_max = (1U << (arm_dcache_log2_linesize +
@@ -1873,6 +1881,9 @@
                        cpufuncs = arm1176_cpufuncs;
                }
 #endif
+#if defined(CPU_ARMV7) || defined(CPU_PRE_ARMV6)
+               cpu_armv6_p = true;
+#endif
                cpu_do_powersave = 1;                   /* Enable powersave */
                get_cachetype_cp15();
 #ifdef ARM11_CACHE_WRITE_THROUGH
diff -r 440510831c03 -r fe94c79bc865 sys/arch/arm/include/locore.h
--- a/sys/arch/arm/include/locore.h     Fri Dec 20 01:17:54 2013 +0000
+++ b/sys/arch/arm/include/locore.h     Fri Dec 20 06:48:09 2013 +0000
@@ -160,6 +160,15 @@
 #else
 #define        CPU_IS_ARMV7_P()                true
 #endif
+#if !defined(CPU_ARMV6)
+#define        CPU_IS_ARMV6_P()                false
+#elif defined(CPU_ARMV7) || defined(CPU_PRE_ARMV6)
+extern bool cpu_armv6_p;
+#define        CPU_IS_ARMV6_P()                (cpu_armv6_p)
+#else
+#define        CPU_IS_ARMV6_P()                true
+#endif
+
 
 /*
  * Random cruft