From: Catalin Marinas <catalin.marinas@arm.com>
Date: Tue, 8 May 2007 21:38:40 +0000 (+0100)
Subject: [ARM] armv7: Add ARMv7 cacheid macros
X-Git-Tag: v3.12-rc1~29692^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=aaf83acba9fb1f93d2e656c7e4dda4e38c1cb490;p=kernel%2Fkernel-generic.git

[ARM] armv7: Add ARMv7 cacheid macros

This patch renames the old __cacheid_* macros to __cacheid_*_prev7 and adds
support for the new format.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h
index b8722619..6832ef9 100644
--- a/include/asm-arm/cacheflush.h
+++ b/include/asm-arm/cacheflush.h
@@ -426,11 +426,18 @@ static inline void flush_anon_page(struct vm_area_struct *vma,
  */
 #define flush_icache_page(vma,page)	do { } while (0)
 
-#define __cacheid_present(val)		(val != read_cpuid(CPUID_ID))
-#define __cacheid_vivt(val)		((val & (15 << 25)) != (14 << 25))
-#define __cacheid_vipt(val)		((val & (15 << 25)) == (14 << 25))
-#define __cacheid_vipt_nonaliasing(val)	((val & (15 << 25 | 1 << 23)) == (14 << 25))
-#define __cacheid_vipt_aliasing(val)	((val & (15 << 25 | 1 << 23)) == (14 << 25 | 1 << 23))
+#define __cacheid_present(val)			(val != read_cpuid(CPUID_ID))
+#define __cacheid_type_v7(val)			((val & (7 << 29)) == (4 << 29))
+
+#define __cacheid_vivt_prev7(val)		((val & (15 << 25)) != (14 << 25))
+#define __cacheid_vipt_prev7(val)		((val & (15 << 25)) == (14 << 25))
+#define __cacheid_vipt_nonaliasing_prev7(val)	((val & (15 << 25 | 1 << 23)) == (14 << 25))
+#define __cacheid_vipt_aliasing_prev7(val)	((val & (15 << 25 | 1 << 23)) == (14 << 25 | 1 << 23))
+
+#define __cacheid_vivt(val)			(__cacheid_type_v7(val) ? 0 : __cacheid_vivt_prev7(val))
+#define __cacheid_vipt(val)			(__cacheid_type_v7(val) ? 1 : __cacheid_vipt_prev7(val))
+#define __cacheid_vipt_nonaliasing(val)		(__cacheid_type_v7(val) ? 1 : __cacheid_vipt_nonaliasing_prev7(val))
+#define __cacheid_vipt_aliasing(val)		(__cacheid_type_v7(val) ? 0 : __cacheid_vipt_aliasing_prev7(val))
 
 #if defined(CONFIG_CPU_CACHE_VIVT) && !defined(CONFIG_CPU_CACHE_VIPT)