decoder.isa (4661:44458219add1) decoder.isa (4675:598d4c33c38d)
1// -*- mode:c++ -*-
2
3// Copyright (c) 2006 The Regents of The University of Michigan
4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met: redistributions of source code must retain the above copyright

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22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28//
29// Authors: Korey Sewell
1// -*- mode:c++ -*-
2
3// Copyright (c) 2006 The Regents of The University of Michigan
4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met: redistributions of source code must retain the above copyright

--- 13 unchanged lines hidden (view full) ---

22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28//
29// Authors: Korey Sewell
30// Brett Miller
30
31////////////////////////////////////////////////////////////////////
32//
33// The actual MIPS32 ISA decoder
34// -----------------------------
35// The following instructions are specified in the MIPS32 ISA
36// Specification. Decoding closely follows the style specified
37// in the MIPS32 ISA specification document starting with Table

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552 SRSCtl_CSS = SRSCtl_PSS;
553 }
554 }
555 // LLFlag = 0;
556 // ClearHazards(); ?
557 }});
558
559 0x1F: deret({{
31
32////////////////////////////////////////////////////////////////////
33//
34// The actual MIPS32 ISA decoder
35// -----------------------------
36// The following instructions are specified in the MIPS32 ISA
37// Specification. Decoding closely follows the style specified
38// in the MIPS32 ISA specification document starting with Table

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553 SRSCtl_CSS = SRSCtl_PSS;
554 }
555 }
556 // LLFlag = 0;
557 // ClearHazards(); ?
558 }});
559
560 0x1F: deret({{
560 // if(EJTagImplemented()) {
561 if(Debug_DM == 1){
562 Debug_DM = 1;
563 Debug_IEXI = 0;
564 NPC = DEPC;
565 }
566 else
567 {
568 // Undefined;
569 }
570 //} // EJTag Implemented
571 //else {
572 // Reserved Instruction Exception
573 //}
561 //if(Debug_DM == 1){
562 //Debug_DM = 1;
563 //Debug_IEXI = 0;
564 //NPC = DEPC;
565 //}
566 panic("deret not implemented");
574 }});
575 }
576
577 format FailUnimpl {
578 0x01: tlbr(); // Need to hook up to TLB
579 0x02: tlbwi(); // Need to hook up to TLB
580 0x06: tlbwr();// Need to hook up to TLB
581 0x08: tlbp();// Need to hook up to TLB

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568 }
569
570 format FailUnimpl {
571 0x01: tlbr(); // Need to hook up to TLB
572 0x02: tlbwi(); // Need to hook up to TLB
573 0x06: tlbwr();// Need to hook up to TLB
574 0x08: tlbp();// Need to hook up to TLB

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