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Line 42... |
//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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//
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//
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// CVS Revision History
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// CVS Revision History
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//
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//
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// $Log: not supported by cvs2svn $
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// $Log: not supported by cvs2svn $
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// Revision 1.33 2003/04/07 20:56:07 lampret
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// Fixed OR1200_CLKDIV_x_SUPPORTED defines. Better description.
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//
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// Revision 1.32 2003/04/07 01:26:57 lampret
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// Revision 1.32 2003/04/07 01:26:57 lampret
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// RFRAM defines comments updated. Altera LPM option added.
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// RFRAM defines comments updated. Altera LPM option added.
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//
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//
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// Revision 1.31 2002/12/08 08:57:56 lampret
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// Revision 1.31 2002/12/08 08:57:56 lampret
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// Added optional support for WB B3 specification (xwb_cti_o, xwb_bte_o). Made xwb_cab_o optional.
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// Added optional support for WB B3 specification (xwb_cti_o, xwb_bte_o). Made xwb_cab_o optional.
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Line 709... |
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/////////////////////////////////////////////////////
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/////////////////////////////////////////////////////
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//
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//
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// Exceptions
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// Exceptions
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//
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//
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//
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// Exception vectors per OR1K architecture:
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// 0xP0000100 - reset
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// 0xP0000200 - bus error
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// ... etc
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// where P represents exception prefix.
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//
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// Exception vectors can be customized as per
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// the following formula:
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// 0xPMMMMNVV - exception N
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//
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// P represents exception prefix
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// MMMM represents middle part that is usually 16 bits
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// wide and starts with all bits zero
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// N represents exception N
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// VV represents length of the individual vector space,
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// usually it is 8 bits wide and starts with all bits zero
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//
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//
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// MMMM and VV parts
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//
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// Sum of these two defines needs to be 24
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// (assuming N and P width are each 4 bits)
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//
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`define OR1200_EXCEPT_MMMM 16'h0000
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`define OR1200_EXCEPT_VV 8'h00
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//
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// N part width
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//
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`define OR1200_EXCEPT_WIDTH 4
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`define OR1200_EXCEPT_WIDTH 4
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//
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// Definition of exception vectors
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//
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// To avoid implementation of a certain exception,
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// simply comment out corresponding line
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//
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`define OR1200_EXCEPT_UNUSED `OR1200_EXCEPT_WIDTH'hf
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`define OR1200_EXCEPT_UNUSED `OR1200_EXCEPT_WIDTH'hf
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`define OR1200_EXCEPT_TRAP `OR1200_EXCEPT_WIDTH'he
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`define OR1200_EXCEPT_TRAP `OR1200_EXCEPT_WIDTH'he
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`define OR1200_EXCEPT_BREAK `OR1200_EXCEPT_WIDTH'hd
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`define OR1200_EXCEPT_BREAK `OR1200_EXCEPT_WIDTH'hd
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`define OR1200_EXCEPT_SYSCALL `OR1200_EXCEPT_WIDTH'hc
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`define OR1200_EXCEPT_SYSCALL `OR1200_EXCEPT_WIDTH'hc
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`define OR1200_EXCEPT_RANGE `OR1200_EXCEPT_WIDTH'hb
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`define OR1200_EXCEPT_RANGE `OR1200_EXCEPT_WIDTH'hb
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