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void clean_dcache()
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void clean_dcache()
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{
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{
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    asm volatile(
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    asm volatile(
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        "clean_dcache_loop:        \n\t"
 - 
 
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        "MRC p15, 0, R15,c7,c10,3  \n\t"
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        "BNE clean_dcache_loop     \n\t"
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        "MOV R0, #0                \n\t"
 - 
 
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        "MCR p15, 0, R0,c7,c10,4   \n\t"
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        "MOV PC, LR                \n\t"
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        "MOV PC, LR                \n\t"
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    );
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    );
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}
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}
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void invalidate_dcache()
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void invalidate_dcache()
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{
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{
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    asm volatile(
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    asm volatile(
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        "invalidate_dcache_loop:   \n\t"
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        "MRC p15, 0, R15,c7,c14,3  \n\t"
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        "BNE invalidate_dcache_loop\n\t"
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        "MOV R0, #0                \n\t"
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        "MCR p15, 0, R0,c7,c10,4   \n\t"
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        "MOV PC, LR                \n\t"
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        "MOV PC, LR                \n\t"
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    );
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    );
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}
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}
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void invalidate_icache()
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void invalidate_icache()
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{
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{
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    asm volatile(
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    asm volatile(
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        "MOV R0, #0                \n\t"
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        "MCR p15, 0, R0,c7,c5,0    \n\t"
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        "MOV PC, LR                \n\t"
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        "MOV PC, LR                \n\t"
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    );
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    );
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}
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}