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//////////////////////////////////////////////////////////////////////
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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 1.2 2002/01/18 07:56:00 lampret
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// No more low/high priority interrupts (PICPR removed). Added tick timer exception. Added exception prefix (SR[EPH]). Fixed single-step bug whenreading NPC.
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//
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// Revision 1.1 2002/01/03 08:16:15 lampret
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// Revision 1.1 2002/01/03 08:16:15 lampret
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// New prefixes for RTL files, prefixed module names. Updated cache controllers and MMUs.
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// New prefixes for RTL files, prefixed module names. Updated cache controllers and MMUs.
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//
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//
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// Revision 1.12 2001/11/23 21:42:31 simons
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// Revision 1.12 2001/11/23 21:42:31 simons
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// Program counter divided to PPC and NPC.
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// Program counter divided to PPC and NPC.
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//
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//
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// Supervision register
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// Supervision register
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//
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//
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always @(posedge clk or posedge rst)
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always @(posedge clk or posedge rst)
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if (rst)
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if (rst)
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sr <= #1 `OR1200_SR_WIDTH'b011;
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sr <= #1 `OR1200_SR_WIDTH'b001;
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else if (except_started) begin
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else if (except_started) begin
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sr[`OR1200_SR_SM] <= #1 1'b1;
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sr[`OR1200_SR_SM] <= #1 1'b1;
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sr[`OR1200_SR_TEE] <= #1 1'b0;
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sr[`OR1200_SR_TEE] <= #1 1'b0;
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sr[`OR1200_SR_IEE] <= #1 1'b0;
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sr[`OR1200_SR_IEE] <= #1 1'b0;
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sr[`OR1200_SR_DME] <= #1 1'b0;
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sr[`OR1200_SR_DME] <= #1 1'b0;
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