28 lines
595 B
ArmAsm
28 lines
595 B
ArmAsm
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.global invalidate_data_cache
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invalidate_data_cache:
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mov r0, #0
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mcr p15, 0, r0, c7, c14, 0 @ Clean and Invalidate Entire Data Cache
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mcr p15, 0, r0, c7, c10, 4 @ Data Synchronization Barrier
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bx lr
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.global invalidate_instruction_cache
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invalidate_instruction_cache:
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mov r0, #0
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mcr p15, 0, r0, c7, c5, 0
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mcr p15, 0, r0, c7, c5, 4
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mcr p15, 0, r0, c7, c5, 6
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mcr p15, 0, r0, c7, c10, 4
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bx lr
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.global asm_memcpy
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asm_memcpy:
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add r2, r1
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.memcpy_loop:
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ldmia r1!, {r3}
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stmia r0!, {r3}
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cmp r1, r2
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bcc .memcpy_loop
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bx lr
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