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xtensa: clear all DBREAKC registers on start
There are XCHAL_NUM_DBREAK registers, clear them all. This also fixes cryptic assembler error message with binutils 2.25 when XCHAL_NUM_DBREAK is 0: as: out of memory allocating 18446744073709551575 bytes after a total of 495616 bytes Cc: stable@vger.kernel.org Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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@ -128,7 +128,7 @@ ENTRY(_startup)
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wsr a0, icountlevel
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wsr a0, icountlevel
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.set _index, 0
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.set _index, 0
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.rept XCHAL_NUM_DBREAK - 1
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.rept XCHAL_NUM_DBREAK
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wsr a0, SREG_DBREAKC + _index
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wsr a0, SREG_DBREAKC + _index
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.set _index, _index + 1
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.set _index, _index + 1
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.endr
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.endr
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