adds signature to start of firmware
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@ -7,12 +7,17 @@
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_start:
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.option push
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.option norelax
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la gp, trap_entry
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csrw mtvec, gp
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.option norvc
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j 1f
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.2byte 0x4e4d
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.2byte 0x5352
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.4byte 0x669
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1:
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la gp, __global_pointer$
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.option pop
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la sp, _sp
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la t0, trap_entry
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csrw mtvec, t0
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/* Load data section */
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la a0, _data_lma
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la a1, _data
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