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[/] [minsoc/] [trunk/] [sw/] [support/] [except.S] - Diff between revs 2 and 36
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| Rev 2 |
Rev 36 |
| Line 62... |
Line 62... |
l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here)
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l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here)
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l.nop
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l.nop
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l.movhi r9,hi(end_except) //set return addr to end_except instruction
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l.movhi r9,hi(end_except) //set return addr to end_except instruction
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l.ori r9,r9,lo(end_except) //set return addr to end_except instruction
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l.ori r9,r9,lo(end_except) //set return addr to end_except instruction
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l.j _lpint_except
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l.j _tick_except
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l.nop
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l.nop
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.org 0x400
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.org 0x400
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_except_600:
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_except_600:
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| Line 104... |
Line 104... |
l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here)
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l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here)
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l.nop
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l.nop
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l.movhi r9,hi(end_except) //set return addr to end_except instruction
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l.movhi r9,hi(end_except) //set return addr to end_except instruction
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l.ori r9,r9,lo(end_except) //set return addr to end_except instruction
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l.ori r9,r9,lo(end_except) //set return addr to end_except instruction
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l.j _hpint_except //jmp to C interrupt handler (returns later to end_except)
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l.j _ext_except //jmp to C interrupt handler (returns later to end_except)
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l.nop
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l.nop
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.org 0x700
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.org 0x700
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