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ARC: Cache: Implement [i,d]cache_enabled() as separate functions

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Implement icache_enabled() and dcache_enabled() as separate functions
which can be used with "inline" attribute. This is a preparation to
make them always_inline.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
This commit is contained in:
Eugeniy Paltsev 2018-03-21 15:59:00 +03:00 committed by Alexey Brodkin
parent 48b04832d8
commit c75eeb0bcb
1 changed files with 21 additions and 17 deletions
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38
arch/arc/lib/cache.c
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@ -132,6 +132,14 @@ static inline bool icache_exists(void)
return !!ibcr.fields.ver;
}
static inline bool icache_enabled(void)
{
if (!icache_exists())
return false;
return !(read_aux_reg(ARC_AUX_IC_CTRL) & IC_CTRL_CACHE_DISABLE);
}
static inline bool dcache_exists(void)
{
union bcr_di_cache dbcr;
@ -140,6 +148,14 @@ static inline bool dcache_exists(void)
return !!dbcr.fields.ver;
}
static inline bool dcache_enabled(void)
{
if (!dcache_exists())
return false;
return !(read_aux_reg(ARC_AUX_DC_CTRL) & DC_CTRL_CACHE_DISABLE);
}
static inline bool slc_exists(void)
{
if (is_isa_arcv2()) {
@ -357,13 +373,7 @@ void cache_init(void)
int icache_status(void)
{
if (!icache_exists())
return 0;
if (read_aux_reg(ARC_AUX_IC_CTRL) & IC_CTRL_CACHE_DISABLE)
return 0;
else
return 1;
return icache_enabled();
}
void icache_enable(void)
@ -383,7 +393,7 @@ void icache_disable(void)
/* IC supports only invalidation */
static inline void __ic_entire_invalidate(void)
{
if (!icache_status())
if (!icache_enabled())
return;
/* Any write to IC_IVIC register triggers invalidation of entire I$ */
@ -408,13 +418,7 @@ void invalidate_icache_all(void)
int dcache_status(void)
{
if (!dcache_exists())
return 0;
if (read_aux_reg(ARC_AUX_DC_CTRL) & DC_CTRL_CACHE_DISABLE)
return 0;
else
return 1;
return dcache_enabled();
}
void dcache_enable(void)
@ -484,7 +488,7 @@ static inline void __dc_entire_op(const int cacheop)
{
int aux;
if (!dcache_status())
if (!dcache_enabled())
return;
__before_dc_op(cacheop);
@ -502,7 +506,7 @@ static inline void __dc_entire_op(const int cacheop)
static inline void __dc_line_op(unsigned long paddr, unsigned long sz,
const int cacheop)
{
if (!dcache_status())
if (!dcache_enabled())
return;
__before_dc_op(cacheop);