25 lines
518 B
ArmAsm
25 lines
518 B
ArmAsm
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.arm
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.global drainWriteBuffer
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drainWriteBuffer:
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mov r0, #0
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mcr p15, 0, r0, c7, c10, 4
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bx lr
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.global flushAll
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flushAll:
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mov r1, #0 //Segment
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1:
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mov r0, #0 //Line
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2:
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orr r2, r1, r0
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mcr p15, 0, r2, c7, c14, 2 //Flush current line
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add r0, #0x20 //Next line
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cmp r0, #0x400
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bne 2b
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add r1, #0x40000000
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cmp r1, #0x0
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bne 1b
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mov r0, #0
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mcr p15, 0, r0, c7, c5, 0 //flush instruction cache
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b drainWriteBuffer
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