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Commit 02f7760e authored by Will Deacon's avatar Will Deacon Committed by Catalin Marinas
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arm64: cache: Merge cachetype.h into cache.h



cachetype.h and cache.h are small and both obviously related to caches.
Merge them together to reduce clutter.

Acked-by: default avatarMark Rutland <mark.rutland@arm.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 155433cb
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+30 −1
Original line number Diff line number Diff line
@@ -16,7 +16,17 @@
#ifndef __ASM_CACHE_H
#define __ASM_CACHE_H

#include <asm/cachetype.h>
#include <asm/cputype.h>

#define CTR_L1IP_SHIFT		14
#define CTR_L1IP_MASK		3
#define CTR_CWG_SHIFT		24
#define CTR_CWG_MASK		15

#define CTR_L1IP(ctr)		(((ctr) >> CTR_L1IP_SHIFT) & CTR_L1IP_MASK)

#define ICACHE_POLICY_VIPT	2
#define ICACHE_POLICY_PIPT	3

#define L1_CACHE_SHIFT		7
#define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)
@@ -32,6 +42,25 @@

#ifndef __ASSEMBLY__

#include <linux/bitops.h>

#define ICACHEF_ALIASING	0
extern unsigned long __icache_flags;

/*
 * Whilst the D-side always behaves as PIPT on AArch64, aliasing is
 * permitted in the I-cache.
 */
static inline int icache_is_aliasing(void)
{
	return test_bit(ICACHEF_ALIASING, &__icache_flags);
}

static inline u32 cache_type_cwg(void)
{
	return (read_cpuid_cachetype() >> CTR_CWG_SHIFT) & CTR_CWG_MASK;
}

#define __read_mostly __attribute__((__section__(".data..read_mostly")))

static inline int cache_line_size(void)
+0 −55
Original line number Diff line number Diff line
/*
 * Copyright (C) 2012 ARM Ltd.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef __ASM_CACHETYPE_H
#define __ASM_CACHETYPE_H

#include <asm/cputype.h>

#define CTR_L1IP_SHIFT		14
#define CTR_L1IP_MASK		3
#define CTR_CWG_SHIFT		24
#define CTR_CWG_MASK		15

#define ICACHE_POLICY_VIPT	2
#define ICACHE_POLICY_PIPT	3

#ifndef __ASSEMBLY__

#include <linux/bitops.h>

#define CTR_L1IP(ctr)	(((ctr) >> CTR_L1IP_SHIFT) & CTR_L1IP_MASK)

#define ICACHEF_ALIASING	0

extern unsigned long __icache_flags;

/*
 * Whilst the D-side always behaves as PIPT on AArch64, aliasing is
 * permitted in the I-cache.
 */
static inline int icache_is_aliasing(void)
{
	return test_bit(ICACHEF_ALIASING, &__icache_flags);
}

static inline u32 cache_type_cwg(void)
{
	return (read_cpuid_cachetype() >> CTR_CWG_SHIFT) & CTR_CWG_MASK;
}

#endif	/* __ASSEMBLY__ */

#endif	/* __ASM_CACHETYPE_H */
+1 −1
Original line number Diff line number Diff line
@@ -108,7 +108,7 @@ alternative_else_nop_endif
#else

#include <asm/pgalloc.h>
#include <asm/cachetype.h>
#include <asm/cache.h>
#include <asm/cacheflush.h>
#include <asm/mmu_context.h>
#include <asm/pgtable.h>
+1 −1
Original line number Diff line number Diff line
@@ -15,7 +15,7 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#include <asm/arch_timer.h>
#include <asm/cachetype.h>
#include <asm/cache.h>
#include <asm/cpu.h>
#include <asm/cputype.h>
#include <asm/cpufeature.h>
+1 −1
Original line number Diff line number Diff line
@@ -22,7 +22,7 @@
#include <linux/pagemap.h>

#include <asm/cacheflush.h>
#include <asm/cachetype.h>
#include <asm/cache.h>
#include <asm/tlbflush.h>

void sync_icache_aliases(void *kaddr, unsigned long len)