Martin Michelsen
21 lines
508 B
ArmAsm
21 lines
508 B
ArmAsm
# This code flushes the data cache and invalidates the instruction cache for a
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# block of newly-written code in memory.
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# Arguments:
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# r3 = address of written code
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# r4 = number of bytes
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# Returns: nothing
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# Overwrites: r3, r4, r5
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lis r5, 0xFFFF
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ori r5, r5, 0xFFF1
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and r5, r5, r3
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subf r3, r5, r3
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add r4, r4, r3
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flush_cached_code_writes__again:
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dcbst r0, r5
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sync
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icbi r0, r5
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addic r5, r5, 8
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subic. r4, r4, 8
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bge flush_cached_code_writes__again
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isync
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