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mmu: add cflush api

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Signed-off-by: Binbin Wu <binbin.wu@intel.com>
Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Kevin Tian <kevin.tian@intel.com>
This commit is contained in:
Binbin Wu 2018-04-11 17:00:05 +08:00 committed by lijinxia
parent 1c5d509f4d
commit 2943e43955
1 changed files with 5 additions and 0 deletions
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include/arch/x86/mmu.h
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@ -376,6 +376,11 @@ static inline void *mmu_pt_for_pde(uint32_t *pd, uint32_t vaddr)
asm volatile (" wbinvd\n" : : : "memory"); \
}
static inline void clflush(volatile void *p)
{
asm volatile ("clflush (%0)" :: "r"(p));
}
/* External variable declarations */
extern uint8_t CPU_Boot_Page_Tables_Start_VM[];