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https://opencores.org/ocsvn/openrisc/openrisc/trunk
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Rev 346 |
Rev 787 |
Line 198... |
Line 198... |
* Reset Exception handler
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* Reset Exception handler
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*/
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*/
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.org 0x100
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.org 0x100
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reset_vector:
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reset_vector:
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// Clear R0 on start-up. There is no guarantee that R0 is hardwired to zero,
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// and indeed it is not when simulating the or1200 Verilog core.
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l.andi r0,r0,0x0
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l.movhi r3,hi(MC_BASE_ADDR)
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l.movhi r3,hi(MC_BASE_ADDR)
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l.ori r3,r3,lo(MC_BASE_ADDR)
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l.ori r3,r3,lo(MC_BASE_ADDR)
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l.addi r4,r3,MC_CSC(0)
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l.addi r4,r3,MC_CSC(0)
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l.movhi r5,hi(FLASH_BASE_ADDR)
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l.movhi r5,hi(FLASH_BASE_ADDR)
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