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anv: Add a clfush_range helper function

This commit is contained in:
Jason Ekstrand 2016-02-12 11:00:08 -08:00
parent 3c8dc1afd1
commit 42155abdd7
1 changed files with 10 additions and 7 deletions
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17
src/vulkan/anv_private.h
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@ -418,14 +418,11 @@ struct anv_state_stream {
#define CACHELINE_SIZE 64
#define CACHELINE_MASK 63
static void inline
anv_state_clflush(struct anv_state state)
static inline void
anv_clflush_range(void *start, size_t size)
{
/* state.map may not be cacheline aligned, so round down the start pointer
* to a cacheline boundary so we flush all pages that contain the state.
*/
void *end = state.map + state.alloc_size;
void *p = (void *) (((uintptr_t) state.map) & ~CACHELINE_MASK);
void *p = (void *) (((uintptr_t) start) & ~CACHELINE_MASK);
void *end = start + size;
__builtin_ia32_mfence();
while (p < end) {
@ -434,6 +431,12 @@ anv_state_clflush(struct anv_state state)
}
}
static void inline
anv_state_clflush(struct anv_state state)
{
anv_clflush_range(state.map, state.alloc_size);
}
void anv_block_pool_init(struct anv_block_pool *pool,
struct anv_device *device, uint32_t block_size);
void anv_block_pool_finish(struct anv_block_pool *pool);