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authorGabe Black <gblack@eecs.umich.edu>2006-06-12 00:49:24 -0400
committerGabe Black <gblack@eecs.umich.edu>2006-06-12 00:49:24 -0400
commit15a8f050605919579e81b6abb98a0b596334216d (patch)
tree583b0b30f13d9874a69015d58d041ce2d7352960 /src/arch/mips/isa/decoder.isa
parent60a734e1750f3c051fe92fea6f12158db6e2dcb9 (diff)
parentdf4b4f001e4db902297acf3b75480e4886e4e882 (diff)
downloadgem5-15a8f050605919579e81b6abb98a0b596334216d.tar.xz
Merge m5.eecs.umich.edu:/bk/newmem
into ewok.(none):/home/gblack/m5/newmem src/arch/sparc/regfile.hh: Hand Merge --HG-- extra : convert_revision : c47202689202069892524a7d71962082469996ee
Diffstat (limited to 'src/arch/mips/isa/decoder.isa')
-rw-r--r--src/arch/mips/isa/decoder.isa1609
1 files changed, 508 insertions, 1101 deletions
diff --git a/src/arch/mips/isa/decoder.isa b/src/arch/mips/isa/decoder.isa
index 1454aba39..a64f74c4f 100644
--- a/src/arch/mips/isa/decoder.isa
+++ b/src/arch/mips/isa/decoder.isa
@@ -1,4 +1,32 @@
- // -*- mode:c++ -*-
+// -*- mode:c++ -*-
+
+// Copyright (c) 2003-2006 The Regents of The University of Michigan
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met: redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer;
+// redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution;
+// neither the name of the copyright holders nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Authors: Korey Sewell
////////////////////////////////////////////////////////////////////
//
@@ -6,41 +34,33 @@
// -----------------------------
// The following instructions are specified in the MIPS32 ISA
// Specification. Decoding closely follows the style specified
-// in the MIPS32 ISAthe specification document starting with Table
+// in the MIPS32 ISA specification document starting with Table
// A-2 (document available @ www.mips.com)
//
-//@todo: Distinguish "unknown/future" use insts from "reserved"
-// ones
decode OPCODE_HI default Unknown::unknown() {
-
- // Derived From ... Table A-2 MIPS32 ISA Manual
+ //Table A-2
0x0: decode OPCODE_LO {
-
0x0: decode FUNCTION_HI {
0x0: decode FUNCTION_LO {
0x1: decode MOVCI {
format BasicOp {
- 0: movf({{ if (getFPConditionCode(FCSR, CC) == 0) Rd = Rs}});
- 1: movt({{ if (getFPConditionCode(FCSR, CC) == 1) Rd = Rs}});
+ 0: movf({{ Rd = (getCondCode(FCSR, CC) == 0) ? Rd : Rs; }});
+ 1: movt({{ Rd = (getCondCode(FCSR, CC) == 1) ? Rd : Rs; }});
}
}
format BasicOp {
-
- //Table A-3 Note: "1. Specific encodings of the rt, rd, and sa fields
- //are used to distinguish among the SLL, NOP, SSNOP and EHB functions.
+ //Table A-3 Note: "Specific encodings of the rd, rs, and
+ //rt fields are used to distinguish SLL, SSNOP, and EHB
+ //functions
0x0: decode RS {
- 0x0: decode RT { //fix Nop traditional vs. Nop converted disassembly later
- 0x0: decode RD default Nop::nop(){
- 0x0: decode SA {
- 0x1: ssnop({{ ; }}); //really sll r0,r0,1
- 0x3: ehb({{ ; }}); //really sll r0,r0,3
- }
- }
-
- default: sll({{ Rd = Rt.uw << SA; }});
+ 0x0: decode RT_RD {
+ 0x0: decode SA default Nop::nop(){
+ 0x1: WarnUnimpl::ssnop();
+ 0x3: WarnUnimpl::ehb();
+ }
+ default: sll({{ Rd = Rt.uw << SA; }});
}
-
}
0x2: decode RS_SRL {
@@ -55,7 +75,6 @@ decode OPCODE_HI default Unknown::unknown() {
0x3: decode RS {
0x0: sra({{
uint32_t temp = Rt >> SA;
-
if ( (Rt & 0x80000000) > 0 ) {
uint32_t mask = 0x80000000;
for(int i=0; i < SA; i++) {
@@ -63,7 +82,6 @@ decode OPCODE_HI default Unknown::unknown() {
mask = mask >> 1;
}
}
-
Rd = temp;
}});
}
@@ -96,37 +114,36 @@ decode OPCODE_HI default Unknown::unknown() {
}
0x1: decode FUNCTION_LO {
-
- //Table A-3 Note: "Specific encodings of the hint field are used
- //to distinguish JR from JR.HB and JALR from JALR.HB"
+ //Table A-3 Note: "Specific encodings of the hint field are
+ //used to distinguish JR from JR.HB and JALR from JALR.HB"
format Jump {
0x0: decode HINT {
- 0:jr({{ NNPC = Rs & ~1; }},IsReturn);
-
- 1:jr_hb({{ NNPC = Rs & ~1; clear_exe_inst_hazards(); }},IsReturn);
+ 0x1: jr_hb({{ NNPC = Rs & ~1; }}, IsReturn, ClearHazards);
+ default: jr({{ NNPC = Rs & ~1; }}, IsReturn);
}
0x1: decode HINT {
- 0: jalr({{ Rd = NNPC; NNPC = Rs; }},IsCall,IsReturn);
-
- 1: jalr_hb({{ Rd = NNPC; NNPC = Rs; clear_exe_inst_hazards();}},IsCall,IsReturn);
+ 0x1: jalr_hb({{ Rd = NNPC; NNPC = Rs; }}, IsCall, Link
+ , ClearHazards);
+ default: jalr({{ Rd = NNPC; NNPC = Rs; }}, IsCall,
+ Link);
}
}
format BasicOp {
- 0x2: movz({{ if (Rt == 0) Rd = Rs; }});
- 0x3: movn({{ if (Rt != 0) Rd = Rs; }});
+ 0x2: movz({{ Rd = (Rt == 0) ? Rs : Rd; }});
+ 0x3: movn({{ Rd = (Rt != 0) ? Rs : Rd; }});
+ 0x4: syscall({{ xc->syscall(R2); }}, IsNonSpeculative);
+ 0x7: sync({{ ; }}, IsMemBarrier);
}
- format BasicOp {
- 0x4: syscall({{ xc->syscall(R2); }},IsNonSpeculative);
- 0x5: break({{ panic("Not implemented break yet"); }},IsNonSpeculative);
- 0x7: sync({{ panic("Not implemented sync yet"); }},IsNonSpeculative);
+ format FailUnimpl {
+ 0x5: break();
}
}
0x2: decode FUNCTION_LO {
- format BasicOp {
+ format HiLoMiscOp {
0x0: mfhi({{ Rd = HI; }});
0x1: mthi({{ HI = Rs; }});
0x2: mflo({{ Rd = LO; }});
@@ -135,24 +152,16 @@ decode OPCODE_HI default Unknown::unknown() {
}
0x3: decode FUNCTION_LO {
- format IntOp {
- 0x0: mult({{
- int64_t temp1 = Rs.sd * Rt.sd;
- HI = temp1<63:32>;
- LO = temp1<31:0>;
- }});
-
- 0x1: multu({{
- uint64_t temp1 = Rs.ud * Rt.ud;
- HI = temp1<63:32>;
- LO = temp1<31:0>;
- }});
+ format HiLoOp {
+ 0x0: mult({{ val = Rs.sd * Rt.sd; }});
+ 0x1: multu({{ val = Rs.ud * Rt.ud; }});
+ }
+ format HiLoMiscOp {
0x2: div({{
HI = Rs.sd % Rt.sd;
LO = Rs.sd / Rt.sd;
}});
-
0x3: divu({{
HI = Rs.ud % Rt.ud;
LO = Rs.ud / Rt.ud;
@@ -201,11 +210,8 @@ decode OPCODE_HI default Unknown::unknown() {
format Branch {
0x0: bltz({{ cond = (Rs.sw < 0); }});
0x1: bgez({{ cond = (Rs.sw >= 0); }});
- }
-
- format BranchLikely {
- 0x2: bltzl({{ cond = (Rs.sw < 0); }});
- 0x3: bgezl({{ cond = (Rs.sw >= 0); }});
+ 0x2: bltzl({{ cond = (Rs.sw < 0); }}, Likely);
+ 0x3: bgezl({{ cond = (Rs.sw >= 0); }}, Likely);
}
}
@@ -222,13 +228,13 @@ decode OPCODE_HI default Unknown::unknown() {
0x2: decode REGIMM_LO {
format Branch {
- 0x0: bltzal({{ cond = (Rs.sw < 0); }}, IsCall,IsReturn);
- 0x1: bgezal({{ cond = (Rs.sw >= 0); }}, IsCall,IsReturn);
- }
-
- format BranchLikely {
- 0x2: bltzall({{ cond = (Rs.sw < 0); }}, IsCall, IsReturn);
- 0x3: bgezall({{ cond = (Rs.sw >= 0); }}, IsCall, IsReturn);
+ 0x0: bltzal({{ cond = (Rs.sw < 0); }}, Link);
+ 0x1: decode RS {
+ 0x0: bal ({{ cond = 1; }}, IsCall, Link);
+ default: bgezal({{ cond = (Rs.sw >= 0); }}, Link);
+ }
+ 0x2: bltzall({{ cond = (Rs.sw < 0); }}, Link, Likely);
+ 0x3: bgezall({{ cond = (Rs.sw >= 0); }}, Link, Likely);
}
}
@@ -241,25 +247,23 @@ decode OPCODE_HI default Unknown::unknown() {
format Jump {
0x2: j({{ NNPC = (NPC & 0xF0000000) | (JMPTARG << 2);}});
-
- 0x3: jal({{ NNPC = (NPC & 0xF0000000) | (JMPTARG << 2); }},IsCall,IsReturn);
+ 0x3: jal({{ NNPC = (NPC & 0xF0000000) | (JMPTARG << 2); }}, IsCall,
+ Link);
}
format Branch {
- 0x4: beq({{ cond = (Rs.sw == Rt.sw); }});
- 0x5: bne({{ cond = (Rs.sw != Rt.sw); }});
- 0x6: decode RT {
- 0x0: blez({{ cond = (Rs.sw <= 0); }});
- }
-
- 0x7: decode RT {
- 0x0: bgtz({{ cond = (Rs.sw > 0); }});
+ 0x4: decode RS_RT {
+ 0x0: b({{ cond = 1; }});
+ default: beq({{ cond = (Rs.sw == Rt.sw); }});
}
+ 0x5: bne({{ cond = (Rs.sw != Rt.sw); }});
+ 0x6: blez({{ cond = (Rs.sw <= 0); }});
+ 0x7: bgtz({{ cond = (Rs.sw > 0); }});
}
}
0x1: decode OPCODE_LO {
- format IntOp {
+ format IntImmOp {
0x0: addi({{ Rt.sw = Rs.sw + imm; /*Trap If Overflow*/}});
0x1: addiu({{ Rt.sw = Rs.sw + imm;}});
0x2: slti({{ Rt.sw = ( Rs.sw < imm) ? 1 : 0 }});
@@ -275,112 +279,47 @@ decode OPCODE_HI default Unknown::unknown() {
}
0x2: decode OPCODE_LO {
-
//Table A-11 MIPS32 COP0 Encoding of rs Field
0x0: decode RS_MSB {
0x0: decode RS {
- format System {
- 0x0: mfc0({{
- //uint64_t reg_num = Rd.uw;
-
- Rt = xc->readMiscReg(RD << 5 | SEL);
- }});
-
- 0x4: mtc0({{
- //uint64_t reg_num = Rd.uw;
-
- xc->setMiscReg(RD << 5 | SEL,Rt);
- }});
-
- 0x8: mftr({{
- //The contents of the coprocessor 0 register specified by the
- //combination of rd and sel are loaded into general register
- //rt. Note that not all coprocessor 0 registers support the
- //sel field. In those instances, the sel field must be zero.
-
- //MT Code Needed Here
-
- }});
-
- 0xC: mttr({{
- //The contents of the coprocessor 0 register specified by the
- //combination of rd and sel are loaded into general register
- //rt. Note that not all coprocessor 0 registers support the
- //sel field. In those instances, the sel field must be zero.
-
- //MT Code Needed Here
- }});
-
-
- 0xA: rdpgpr({{
- //Accessing Previous Shadow Set Register Number
- //uint64_t prev = xc->readMiscReg(SRSCtl)/*[PSS]*/;
- //uint64_t reg_num = Rt.uw;
-
- //Rd = xc->regs.IntRegFile[prev];
- //Rd = xc->shadowIntRegFile[prev][reg_num];
- }});
+ format CP0Control {
+ 0x0: mfc0({{ Rt = xc->readMiscReg(RD << 5 | SEL); }});
+ 0x4: mtc0({{ xc->setMiscReg(RD << 5 | SEL, Rt); }});
+ }
+ format MipsMT {
+ 0x8: mftr();
+ 0xC: mttr();
0xB: decode RD {
-
0x0: decode SC {
- 0x0: dvpe({{
- Rt.sw = xc->readMiscReg(MVPControl);
- xc->setMiscReg(MVPControl,0);
- }});
-
- 0x1: evpe({{
- Rt.sw = xc->readMiscReg(MVPControl);
- xc->setMiscReg(MVPControl,1);
- }});
+ 0x0: dvpe();
+ 0x1: evpe();
}
-
0x1: decode SC {
- 0x0: dmt({{
- Rt.sw = xc->readMiscReg(VPEControl);
- xc->setMiscReg(VPEControl,0);
- }});
-
- 0x1: emt({{
- Rt.sw = xc->readMiscReg(VPEControl);
- xc->setMiscReg(VPEControl,1);
- }});
- }
-
- 0xC: decode SC {
- 0x0: di({{
- Rt.sw = xc->readMiscReg(Status);
- xc->setMiscReg(Status,0);
- }});
-
- 0x1: ei({{
- Rt.sw = xc->readMiscReg(Status);
- xc->setMiscReg(Status,1);
- }});
+ 0x0: dmt();
+ 0x1: emt();
+ 0xC: decode SC {
+ 0x0: di();
+ 0x1: ei();
+ }
}
}
+ }
- 0xE: wrpgpr({{
- //Accessing Previous Shadow Set Register Number
- //uint64_t prev = xc->readMiscReg(SRSCtl/*[PSS]*/);
- //uint64_t reg_num = Rd.uw;
-
- //xc->regs.IntRegFile[prev];
- //xc->shadowIntRegFile[prev][reg_num] = Rt;
- }});
+ format FailUnimpl {
+ 0xA: rdpgpr();
+ 0xE: wrpgpr();
}
}
//Table A-12 MIPS32 COP0 Encoding of Function Field When rs=CO
0x1: decode FUNCTION {
- format System {
- 0x01: tlbr({{ }});
- 0x02: tlbwi({{ }});
- 0x06: tlbwr({{ }});
- 0x08: tlbp({{ }});
- }
+ format FailUnimpl {
+ 0x01: tlbr();
+ 0x02: tlbwi();
+ 0x06: tlbwr();
+ 0x08: tlbp();
- format WarnUnimpl {
0x18: eret();
0x1F: deret();
0x20: wait();
@@ -393,18 +332,9 @@ decode OPCODE_HI default Unknown::unknown() {
0x0: decode RS_HI {
0x0: decode RS_LO {
- format FloatOp {
+ format CP1Control {
0x0: mfc1 ({{ Rt.uw = Fs.uw<31:0>; }});
- 0x3: mfhc1({{ Rt.uw = Fs.ud<63:32>;}});
- 0x4: mtc1 ({{ Fs.uw = Rt.uw; }});
- 0x7: mthc1({{
- uint64_t fs_hi = Rt.uw;
- uint64_t fs_lo = Fs.ud & 0x0000FFFF;
- Fs.ud = fs_hi << 32 | fs_lo;
- }});
- }
- format System {
0x2: cfc1({{
switch (FS)
{
@@ -424,11 +354,14 @@ decode OPCODE_HI default Unknown::unknown() {
Rt = FCSR;
break;
default:
- panic("FP Control Value (%d) Not Available. Ignoring Access to"
- "Floating Control Status Register",FS);
+ panic("FP Control Value (%d) Not Valid");
}
}});
+ 0x3: mfhc1({{ Rt.uw = Fs.ud<63:32>;}});
+
+ 0x4: mtc1 ({{ Fs.uw = Rt.uw; }});
+
0x6: ctc1({{
switch (FS)
{
@@ -464,21 +397,29 @@ decode OPCODE_HI default Unknown::unknown() {
"Floating Control Status Register", FS);
}
}});
+
+ 0x7: mthc1({{
+ uint64_t fs_hi = Rt.uw;
+ uint64_t fs_lo = Fs.ud & 0x0FFFFFFFF;
+ Fs.ud = (fs_hi << 32) | fs_lo;
+ }});
+
}
}
0x1: decode ND {
- 0x0: decode TF {
- format Branch {
- 0x0: bc1f({{ cond = (getFPConditionCode(FCSR,CC) == 0); }});
- 0x1: bc1t({{ cond = (getFPConditionCode(FCSR,CC) == 1); }});
+ format Branch {
+ 0x0: decode TF {
+ 0x0: bc1f({{ cond = getCondCode(FCSR, BRANCH_CC) == 0;
+ }});
+ 0x1: bc1t({{ cond = getCondCode(FCSR, BRANCH_CC) == 1;
+ }});
}
- }
-
- 0x1: decode TF {
- format BranchLikely {
- 0x0: bc1fl({{ cond = (getFPConditionCode(FCSR,CC) == 0); }});
- 0x1: bc1tl({{ cond = (getFPConditionCode(FCSR,CC) == 1); }});
+ 0x1: decode TF {
+ 0x0: bc1fl({{ cond = getCondCode(FCSR, BRANCH_CC) == 0;
+ }}, Likely);
+ 0x1: bc1tl({{ cond = getCondCode(FCSR, BRANCH_CC) == 1;
+ }}, Likely);
}
}
}
@@ -486,9 +427,8 @@ decode OPCODE_HI default Unknown::unknown() {
0x1: decode RS_HI {
0x2: decode RS_LO {
-
//Table A-14 MIPS32 COP1 Encoding of Function Field When rs=S
- //(( single-word ))
+ //(( single-precision floating point))
0x0: decode FUNCTION_HI {
0x0: decode FUNCTION_LO {
format FloatOp {
@@ -499,194 +439,102 @@ decode OPCODE_HI default Unknown::unknown() {
0x4: sqrt_s({{ Fd.sf = sqrt(Fs.sf);}});
0x5: abs_s({{ Fd.sf = fabs(Fs.sf);}});
0x6: mov_s({{ Fd.sf = Fs.sf;}});
- 0x7: neg_s({{ Fd.sf = -1 * Fs.sf;}});
+ 0x7: neg_s({{ Fd.sf = -Fs.sf;}});
}
}
0x1: decode FUNCTION_LO {
- format Float64Op {
- 0x0: round_l_s({{
- Fd.ud = fpConvert(roundFP(Fs.sf,0), SINGLE_TO_LONG);
- }});
-
- 0x1: trunc_l_s({{
- Fd.ud = fpConvert(truncFP(Fs.sf), SINGLE_TO_LONG);
- }});
-
- 0x2: ceil_l_s({{
- Fd.ud = fpConvert(ceil(Fs.sf), SINGLE_TO_LONG);
- }});
-
- 0x3: floor_l_s({{
- Fd.ud = fpConvert(floor(Fs.sf), SINGLE_TO_LONG);
- }});
- }
-
- format FloatOp {
- 0x4: round_w_s({{
- Fd.uw = fpConvert(roundFP(Fs.sf,0), SINGLE_TO_WORD);
- }});
-
- 0x5: trunc_w_s({{
- Fd.uw = fpConvert(truncFP(Fs.sf), SINGLE_TO_WORD);
- }});
-
- 0x6: ceil_w_s({{
- Fd.uw = fpConvert(ceil(Fs.sf), SINGLE_TO_WORD);
- }});
-
- 0x7: floor_w_s({{
- Fd.uw = fpConvert(floor(Fs.sf), SINGLE_TO_WORD);
- }});
+ format FloatConvertOp {
+ 0x0: round_l_s({{ val = Fs.sf; }}, ToLong,
+ Round);
+ 0x1: trunc_l_s({{ val = Fs.sf; }}, ToLong,
+ Trunc);
+ 0x2: ceil_l_s({{ val = Fs.sf; }}, ToLong,
+ Ceil);
+ 0x3: floor_l_s({{ val = Fs.sf; }}, ToLong,
+ Floor);
+ 0x4: round_w_s({{ val = Fs.sf; }}, ToWord,
+ Round);
+ 0x5: trunc_w_s({{ val = Fs.sf; }}, ToWord,
+ Trunc);
+ 0x6: ceil_w_s({{ val = Fs.sf; }}, ToWord,
+ Ceil);
+ 0x7: floor_w_s({{ val = Fs.sf; }}, ToWord,
+ Floor);
}
}
0x2: decode FUNCTION_LO {
0x1: decode MOVCF {
- format FloatOp {
- 0x0: movf_s({{if (getFPConditionCode(FCSR,CC) == 0) Fd = Fs;}});
- 0x1: movt_s({{if (getFPConditionCode(FCSR,CC) == 1) Fd = Fs;}});
+ format BasicOp {
+ 0x0: movf_s({{ Fd = (getCondCode(FCSR,CC) == 0) ? Fs : Fd; }});
+ 0x1: movt_s({{ Fd = (getCondCode(FCSR,CC) == 1) ? Fs : Fd; }});
}
}
+ format BasicOp {
+ 0x2: movz_s({{ Fd = (Rt == 0) ? Fs : Fd; }});
+ 0x3: movn_s({{ Fd = (Rt != 0) ? Fs : Fd; }});
+ }
+
format FloatOp {
- 0x2: movz_s({{ if (Rt == 0) Fd = Fs; }});
- 0x3: movn_s({{ if (Rt != 0) Fd = Fs; }});
0x5: recip_s({{ Fd = 1 / Fs; }});
0x6: rsqrt_s({{ Fd = 1 / sqrt(Fs);}});
}
}
0x4: decode FUNCTION_LO {
-
format FloatConvertOp {
- 0x1: cvt_d_s({{
- Fd.ud = fpConvert(Fs.sf, SINGLE_TO_DOUBLE);
- }});
-
- 0x4: cvt_w_s({{
- Fd.uw = fpConvert(Fs.sf, SINGLE_TO_WORD);
- }});
+ 0x1: cvt_d_s({{ val = Fs.sf; }}, ToDouble);
+ 0x4: cvt_w_s({{ val = Fs.sf; }}, ToWord);
+ 0x5: cvt_l_s({{ val = Fs.sf; }}, ToLong);
}
- format FloatConvertOp {
- 0x5: cvt_l_s({{
- Fd.ud = fpConvert(Fs.sf, SINGLE_TO_LONG);
+ 0x6: FloatOp::cvt_ps_s({{
+ Fd.ud = (uint64_t) Fs.uw << 32 |
+ (uint64_t) Ft.uw;
}});
-
- 0x6: cvt_ps_st({{
- Fd.ud = (uint64_t)Fs.uw << 32 | (uint64_t)Ft.uw;
- }});
- }
}
0x6: decode FUNCTION_LO {
format FloatCompareOp {
- 0x0: c_f_s({{ cond = 0; }});
-
- 0x1: c_un_s({{
- if (isnan(Fs.sf) || isnan(Ft.sf))
- cond = 1;
- else
- cond = 0;
- }});
-
- 0x2: c_eq_s({{
- if (isnan(Fs.sf) || isnan(Ft.sf))
- cond = 0;
- else
- cond = (Fs.sf == Ft.sf);
- }});
-
- 0x3: c_ueq_s({{
- if (isnan(Fs.sf) || isnan(Ft.sf))
- cond = 1;
- else
- cond = (Fs.sf == Ft.sf);
- }});
-
- 0x4: c_olt_s({{
- if (isnan(Fs.sf) || isnan(Ft.sf))
- cond = 0;
- else
- cond = (Fs.sf < Ft.sf);
- }});
-
- 0x5: c_ult_s({{
- if (isnan(Fs.sf) || isnan(Ft.sf))
- cond = 1;
- else
- cond = (Fs.sf < Ft.sf);
- }});
-
- 0x6: c_ole_s({{
- if (isnan(Fs.sf) || isnan(Ft.sf))
- cond = 0;
- else
- cond = (Fs.sf <= Ft.sf);
- }});
-
- 0x7: c_ule_s({{
- if (isnan(Fs.sf) || isnan(Ft.sf))
- cond = 1;
- else
- cond = (Fs.sf <= Ft.sf);
- }});
+ 0x0: c_f_s({{ cond = 0; }}, SinglePrecision,
+ UnorderedFalse);
+ 0x1: c_un_s({{ cond = 0; }}, SinglePrecision,
+ UnorderedTrue);
+ 0x2: c_eq_s({{ cond = (Fs.sf == Ft.sf); }},
+ UnorderedFalse);
+ 0x3: c_ueq_s({{ cond = (Fs.sf == Ft.sf); }},
+ UnorderedTrue);
+ 0x4: c_olt_s({{ cond = (Fs.sf < Ft.sf); }},
+ UnorderedFalse);
+ 0x5: c_ult_s({{ cond = (Fs.sf < Ft.sf); }},
+ UnorderedTrue);
+ 0x6: c_ole_s({{ cond = (Fs.sf <= Ft.sf); }},
+ UnorderedFalse);
+ 0x7: c_ule_s({{ cond = (Fs.sf <= Ft.sf); }},
+ UnorderedTrue);
}
}
0x7: decode FUNCTION_LO {
- format FloatCompareWithXcptOp {
- 0x0: c_sf_s({{ cond = 0; }});
-
- 0x1: c_ngle_s({{
- if (isnan(Fs.sf) || isnan(Ft.sf))
- cond = 1;
- else
- cond = 0;
- }});
-
- 0x2: c_seq_s({{
- if (isnan(Fs.sf) || isnan(Ft.sf))
- cond = 0;
- else
- cond = (Fs.sf == Ft.sf);
- }});
-
- 0x3: c_ngl_s({{
- if (isnan(Fs.sf) || isnan(Ft.sf))
- cond = 1;
- else
- cond = (Fs.sf == Ft.sf);
- }});
-
- 0x4: c_lt_s({{
- if (isnan(Fs.sf) || isnan(Ft.sf))
- cond = 0;
- else
- cond = (Fs.sf < Ft.sf);
- }});
-
- 0x5: c_nge_s({{
- if (isnan(Fs.sf) || isnan(Ft.sf))
- cond = 1;
- else
- cond = (Fs.sf < Ft.sf);
- }});
-
- 0x6: c_le_s({{
- if (isnan(Fs.sf) || isnan(Ft.sf))
- cond = 0;
- else
- cond = (Fs.sf <= Ft.sf);
- }});
-
- 0x7: c_ngt_s({{
- if (isnan(Fs.sf) || isnan(Ft.sf))
- cond = 1;
- else
- cond = (Fs.sf <= Ft.sf);
- }});
+ format FloatCompareOp {
+ 0x0: c_sf_s({{ cond = 0; }}, SinglePrecision,
+ UnorderedFalse, QnanException);
+ 0x1: c_ngle_s({{ cond = 0; }}, SinglePrecision,
+ UnorderedTrue, QnanException);
+ 0x2: c_seq_s({{ cond = (Fs.sf == Ft.sf);}},
+ UnorderedFalse, QnanException);
+ 0x3: c_ngl_s({{ cond = (Fs.sf == Ft.sf); }},
+ UnorderedTrue, QnanException);
+ 0x4: c_lt_s({{ cond = (Fs.sf < Ft.sf); }},
+ UnorderedFalse, QnanException);
+ 0x5: c_nge_s({{ cond = (Fs.sf < Ft.sf); }},
+ UnorderedTrue, QnanException);
+ 0x6: c_le_s({{ cond = (Fs.sf <= Ft.sf); }},
+ UnorderedFalse, QnanException);
+ 0x7: c_ngt_s({{ cond = (Fs.sf <= Ft.sf); }},
+ UnorderedTrue, QnanException);
}
}
}
@@ -695,197 +543,108 @@ decode OPCODE_HI default Unknown::unknown() {
0x1: decode FUNCTION_HI {
0x0: decode FUNCTION_LO {
format FloatOp {
- 0x0: add_d({{ Fd.df = Fs.df + Ft.df;}});
- 0x1: sub_d({{ Fd.df = Fs.df - Ft.df;}});
- 0x2: mul_d({{ Fd.df = Fs.df * Ft.df;}});
- 0x3: div_d({{ Fd.df = Fs.df / Ft.df;}});
- 0x4: sqrt_d({{ Fd.df = sqrt(Fs.df);}});
- 0x5: abs_d({{ Fd.df = fabs(Fs.df);}});
- 0x6: mov_d({{ Fd.ud = Fs.ud;}});
- 0x7: neg_d({{ Fd.df = -1 * Fs.df;}});
+ 0x0: add_d({{ Fd.df = Fs.df + Ft.df; }});
+ 0x1: sub_d({{ Fd.df = Fs.df - Ft.df; }});
+ 0x2: mul_d({{ Fd.df = Fs.df * Ft.df; }});
+ 0x3: div_d({{ Fd.df = Fs.df / Ft.df; }});
+ 0x4: sqrt_d({{ Fd.df = sqrt(Fs.df); }});
+ 0x5: abs_d({{ Fd.df = fabs(Fs.df); }});
+ 0x6: mov_d({{ Fd.df = Fs.df; }});
+ 0x7: neg_d({{ Fd.df = -1 * Fs.df; }});
}
}
0x1: decode FUNCTION_LO {
- format FloatOp {
- 0x0: round_l_d({{
- Fd.ud = fpConvert(roundFP(Fs.df,0), DOUBLE_TO_LONG);
- }});
-
- 0x1: trunc_l_d({{
- Fd.ud = fpConvert(truncFP(Fs.df), DOUBLE_TO_LONG);
- }});
-
- 0x2: ceil_l_d({{
- Fd.ud = fpConvert(ceil(Fs.df), DOUBLE_TO_LONG);
- }});
-
- 0x3: floor_l_d({{
- Fd.ud = fpConvert(floor(Fs.df), DOUBLE_TO_LONG);
- }});
- }
-
- format FloatOp {
- 0x4: round_w_d({{
- Fd.uw = fpConvert(roundFP(Fs.df,0), DOUBLE_TO_WORD);
- }});
-
- 0x5: trunc_w_d({{
- Fd.uw = fpConvert(truncFP(Fs.df), DOUBLE_TO_WORD);
- }});
-
- 0x6: ceil_w_d({{
- Fd.uw = fpConvert(ceil(Fs.df), DOUBLE_TO_WORD);
- }});
-
- 0x7: floor_w_d({{
- Fd.uw = fpConvert(floor(Fs.df), DOUBLE_TO_WORD);
- }});
+ format FloatConvertOp {
+ 0x0: round_l_d({{ val = Fs.df; }}, ToLong,
+ Round);
+ 0x1: trunc_l_d({{ val = Fs.df; }}, ToLong,
+ Trunc);
+ 0x2: ceil_l_d({{ val = Fs.df; }}, ToLong,
+ Ceil);
+ 0x3: floor_l_d({{ val = Fs.df; }}, ToLong,
+ Floor);
+ 0x4: round_w_d({{ val = Fs.df; }}, ToWord,
+ Round);
+ 0x5: trunc_w_d({{ val = Fs.df; }}, ToWord,
+ Trunc);
+ 0x6: ceil_w_d({{ val = Fs.df; }}, ToWord,
+ Ceil);
+ 0x7: floor_w_d({{ val = Fs.df; }}, ToWord,
+ Floor);
}
}
0x2: decode FUNCTION_LO {
0x1: decode MOVCF {
- format FloatOp {
- 0x0: movf_d({{if (getFPConditionCode(FCSR,CC) == 0) Fd.df = Fs.df; }});
- 0x1: movt_d({{if (getFPConditionCode(FCSR,CC) == 1) Fd.df = Fs.df; }});
+ format BasicOp {
+ 0x0: movf_d({{ Fd.df = (getCondCode(FCSR,CC) == 0) ?
+ Fs.df : Fd.df;
+ }});
+ 0x1: movt_d({{ Fd.df = (getCondCode(FCSR,CC) == 1) ?
+ Fs.df : Fd.df;
+ }});
}
}
format BasicOp {
- 0x2: movz_d({{ if (Rt == 0) Fd.df = Fs.df; }});
- 0x3: movn_d({{ if (Rt != 0) Fd.df = Fs.df; }});
+ 0x2: movz_d({{ Fd.df = (Rt == 0) ? Fs.df : Fd.df; }});
+ 0x3: movn_d({{ Fd.df = (Rt != 0) ? Fs.df : Fd.df; }});
}
format FloatOp {
- 0x5: recip_d({{ Fd.df = 1 / Fs.df}});
+ 0x5: recip_d({{ Fd.df = 1 / Fs.df }});
0x6: rsqrt_d({{ Fd.df = 1 / sqrt(Fs.df) }});
}
}
0x4: decode FUNCTION_LO {
- format FloatOp {
- 0x0: cvt_s_d({{
- Fd.uw = fpConvert(Fs.df, DOUBLE_TO_SINGLE);
- }});
-
- 0x4: cvt_w_d({{
- Fd.uw = fpConvert(Fs.df, DOUBLE_TO_WORD);
- }});
-
- 0x5: cvt_l_d({{
- Fd.ud = fpConvert(Fs.df, DOUBLE_TO_LONG);
- }});
+ format FloatConvertOp {
+ 0x0: cvt_s_d({{ val = Fs.df; }}, ToSingle);
+ 0x4: cvt_w_d({{ val = Fs.df; }}, ToWord);
+ 0x5: cvt_l_d({{ val = Fs.df; }}, ToLong);
}
}
0x6: decode FUNCTION_LO {
format FloatCompareOp {
- 0x0: c_f_d({{ cond = 0; }});
-
- 0x1: c_un_d({{
- if (isnan(Fs.df) || isnan(Ft.df))
- cond = 1;
- else
- cond = 0;
- }});
-
- 0x2: c_eq_d({{
- if (isnan(Fs.df) || isnan(Ft.df))
- cond = 0;
- else
- cond = (Fs.df == Ft.df);
- }});
-
- 0x3: c_ueq_d({{
- if (isnan(Fs.df) || isnan(Ft.df))
- cond = 1;
- else
- cond = (Fs.df == Ft.df);
- }});
-
- 0x4: c_olt_d({{
- if (isnan(Fs.df) || isnan(Ft.df))
- cond = 0;
- else
- cond = (Fs.df < Ft.df);
- }});
-
- 0x5: c_ult_d({{
- if (isnan(Fs.df) || isnan(Ft.df))
- cond = 1;
- else
- cond = (Fs.df < Ft.df);
- }});
-
- 0x6: c_ole_d({{
- if (isnan(Fs.df) || isnan(Ft.df))
- cond = 0;
- else
- cond = (Fs.df <= Ft.df);
- }});
-
- 0x7: c_ule_d({{
- if (isnan(Fs.df) || isnan(Ft.df))
- cond = 1;
- else
- cond = (Fs.df <= Ft.df);
- }});
+ 0x0: c_f_d({{ cond = 0; }}, DoublePrecision,
+ UnorderedFalse);
+ 0x1: c_un_d({{ cond = 0; }}, DoublePrecision,
+ UnorderedTrue);
+ 0x2: c_eq_d({{ cond = (Fs.df == Ft.df); }},
+ UnorderedFalse);
+ 0x3: c_ueq_d({{ cond = (Fs.df == Ft.df); }},
+ UnorderedTrue);
+ 0x4: c_olt_d({{ cond = (Fs.df < Ft.df); }},
+ UnorderedFalse);
+ 0x5: c_ult_d({{ cond = (Fs.df < Ft.df); }},
+ UnorderedTrue);
+ 0x6: c_ole_d({{ cond = (Fs.df <= Ft.df); }},
+ UnorderedFalse);
+ 0x7: c_ule_d({{ cond = (Fs.df <= Ft.df); }},
+ UnorderedTrue);
}
}
0x7: decode FUNCTION_LO {
- format FloatCompareWithXcptOp {
- 0x0: c_sf_d({{ cond = 0; }});
-
- 0x1: c_ngle_d({{
- if (isnan(Fs.df) || isnan(Ft.df))
- cond = 1;
- else
- cond = 0;
- }});
-
- 0x2: c_seq_d({{
- if (isnan(Fs.df) || isnan(Ft.df))
- cond = 0;
- else
- cond = (Fs.df == Ft.df);
- }});
-
- 0x3: c_ngl_d({{
- if (isnan(Fs.df) || isnan(Ft.df))
- cond = 1;
- else
- cond = (Fs.df == Ft.df);
- }});
-
- 0x4: c_lt_d({{
- if (isnan(Fs.df) || isnan(Ft.df))
- cond = 0;
- else
- cond = (Fs.df < Ft.df);
- }});
-
- 0x5: c_nge_d({{
- if (isnan(Fs.df) || isnan(Ft.df))
- cond = 1;
- else
- cond = (Fs.df < Ft.df);
- }});
-
- 0x6: c_le_d({{
- if (isnan(Fs.df) || isnan(Ft.df))
- cond = 0;
- else
- cond = (Fs.df <= Ft.df);
- }});
-
- 0x7: c_ngt_d({{
- if (isnan(Fs.df) || isnan(Ft.df))
- cond = 1;
- else
- cond = (Fs.df <= Ft.df);
- }});
+ format FloatCompareOp {
+ 0x0: c_sf_d({{ cond = 0; }}, DoublePrecision,
+ UnorderedFalse, QnanException);
+ 0x1: c_ngle_d({{ cond = 0; }}, DoublePrecision,
+ UnorderedTrue, QnanException);
+ 0x2: c_seq_d({{ cond = (Fs.df == Ft.df); }},
+ UnorderedFalse, QnanException);
+ 0x3: c_ngl_d({{ cond = (Fs.df == Ft.df); }},
+ UnorderedTrue, QnanException);
+ 0x4: c_lt_d({{ cond = (Fs.df < Ft.df); }},
+ UnorderedFalse, QnanException);
+ 0x5: c_nge_d({{ cond = (Fs.df < Ft.df); }},
+ UnorderedTrue, QnanException);
+ 0x6: c_le_d({{ cond = (Fs.df <= Ft.df); }},
+ UnorderedFalse, QnanException);
+ 0x7: c_ngt_d({{ cond = (Fs.df <= Ft.df); }},
+ UnorderedTrue, QnanException);
}
}
}
@@ -893,19 +652,9 @@ decode OPCODE_HI default Unknown::unknown() {
//Table A-16 MIPS32 COP1 Encoding of Function Field When rs=W
0x4: decode FUNCTION {
format FloatConvertOp {
- 0x20: cvt_s_w({{
- Fd.uw = fpConvert(Fs.sf, WORD_TO_SINGLE);
- }});
-
- 0x21: cvt_d_w({{
- Fd.ud = fpConvert(Fs.sf, WORD_TO_DOUBLE);
- }});
- }
-
- format Float64ConvertOp {
- 0x26: cvt_ps_pw({{
- Fd.ud = fpConvert(Fs.ud, WORD_TO_PS);
- }});
+ 0x20: cvt_s_w({{ val = Fs.uw; }}, ToSingle);
+ 0x21: cvt_d_w({{ val = Fs.uw; }}, ToDouble);
+ 0x26: FailUnimpl::cvt_ps_w();
}
}
@@ -913,18 +662,10 @@ decode OPCODE_HI default Unknown::unknown() {
//Note: "1. Format type L is legal only if 64-bit floating point operations
//are enabled."
0x5: decode FUNCTION_HI {
- format Float64ConvertOp {
- 0x20: cvt_s_l({{
- Fd.uw = fpConvert(Fs.ud, LONG_TO_SINGLE);
- }});
-
- 0x21: cvt_d_l({{
- Fd.ud = fpConvert(Fs.ud, LONG_TO_DOUBLE);
- }});
-
- 0x26: cvt_ps_l({{
- Fd.ud = fpConvert(Fs.ud, LONG_TO_PS);
- }});
+ format FloatConvertOp {
+ 0x20: cvt_s_l({{ val = Fs.ud; }}, ToSingle);
+ 0x21: cvt_d_l({{ val = Fs.ud; }}, ToDouble);
+ 0x26: FailUnimpl::cvt_ps_l();
}
}
@@ -938,30 +679,25 @@ decode OPCODE_HI default Unknown::unknown() {
Fd1.sf = Fs1.sf + Ft2.sf;
Fd2.sf = Fs2.sf + Ft2.sf;
}});
-
0x1: sub_ps({{
Fd1.sf = Fs1.sf - Ft2.sf;
Fd2.sf = Fs2.sf - Ft2.sf;
}});
-
0x2: mul_ps({{
Fd1.sf = Fs1.sf * Ft2.sf;
Fd2.sf = Fs2.sf * Ft2.sf;
}});
-
0x5: abs_ps({{
Fd1.sf = fabs(Fs1.sf);
Fd2.sf = fabs(Fs2.sf);
}});
-
0x6: mov_ps({{
Fd1.sf = Fs1.sf;
Fd2.sf = Fs2.sf;
}});
-
0x7: neg_ps({{
- Fd1.sf = -1 * Fs1.sf;
- Fd2.sf = -1 * Fs2.sf;
+ Fd1.sf = -(Fs1.sf);
+ Fd2.sf = -(Fs2.sf);
}});
}
}
@@ -970,236 +706,112 @@ decode OPCODE_HI default Unknown::unknown() {
0x1: decode MOVCF {
format Float64Op {
0x0: movf_ps({{
- if (getFPConditionCode(FCSR, CC) == 0)
- Fd1 = Fs1;
- if (getFPConditionCode(FCSR, CC+1) == 0)
- Fd2 = Fs2;
+ Fd1 = (getCondCode(FCSR, CC) == 0) ?
+ Fs1 : Fd1;
+ Fd2 = (getCondCode(FCSR, CC+1) == 0) ?
+ Fs2 : Fd2;
}});
-
0x1: movt_ps({{
- if (getFPConditionCode(FCSR, CC) == 1)
- Fd1 = Fs1;
- if (getFPConditionCode(FCSR, CC+1) == 1)
- Fd2 = Fs2;
+ Fd2 = (getCondCode(FCSR, CC) == 1) ?
+ Fs1 : Fd1;
+ Fd2 = (getCondCode(FCSR, CC+1) == 1) ?
+ Fs2 : Fd2;
}});
}
}
format Float64Op {
0x2: movz_ps({{
- if (getFPConditionCode(FCSR, CC) == 0)
- Fd1 = Fs1;
- if (getFPConditionCode(FCSR, CC) == 0)
- Fd2 = Fs2;
+ Fd1 = (getCondCode(FCSR, CC) == 0) ?
+ Fs1 : Fd1;
+ Fd2 = (getCondCode(FCSR, CC) == 0) ?
+ Fs2 : Fd2;
}});
-
0x3: movn_ps({{
- if (getFPConditionCode(FCSR, CC) == 1)
- Fd1 = Fs1;
- if (getFPConditionCode(FCSR, CC) == 1)
- Fd2 = Fs2;
+ Fd1 = (getCondCode(FCSR, CC) == 1) ?
+ Fs1 : Fd1;
+ Fd2 = (getCondCode(FCSR, CC) == 1) ?
+ Fs2 : Fd2;
}});
}
}
0x4: decode FUNCTION_LO {
- 0x0: Float64Op::cvt_s_pu({{
- Fd.uw = fpConvert(Fs2.uw, PU_TO_SINGLE);
- }});
+ 0x0: FloatOp::cvt_s_pu({{ Fd.sf = Fs2.sf; }});
}
0x5: decode FUNCTION_LO {
- format Float64Op {
- 0x0: cvt_s_pl({{
- Fd.uw = fpConvert(Fs1.uw, PL_TO_SINGLE);
- }});
+ 0x0: FloatOp::cvt_s_pl({{ Fd.sf = Fs1.sf; }});
- 0x4: pll({{ Fd.ud = (uint64_t) Fs1.uw << 32 | Ft1.uw; }});
- 0x5: plu({{ Fd.ud = (uint64_t) Fs1.uw << 32 | Ft2.uw; }});
- 0x6: pul({{ Fd.ud = (uint64_t) Fs2.uw << 32 | Ft1.uw; }});
- 0x7: puu({{ Fd.ud = (uint64_t) Fs2.uw << 32 | Ft2.uw; }});
+ format Float64Op {
+ 0x4: pll({{ Fd.ud = (uint64_t) Fs1.uw << 32 |
+ Ft1.uw;
+ }});
+ 0x5: plu({{ Fd.ud = (uint64_t) Fs1.uw << 32 |
+ Ft2.uw;
+ }});
+ 0x6: pul({{ Fd.ud = (uint64_t) Fs2.uw << 32 |
+ Ft1.uw;
+ }});
+ 0x7: puu({{ Fd.ud = (uint64_t) Fs2.uw << 32 |
+ Ft2.uw;
+ }});
}
}
0x6: decode FUNCTION_LO {
format FloatPSCompareOp {
- 0x0: c_f_ps({{ cond1 = 0; cond2 = 0; }});
-
- 0x1: c_un_ps({{
- if (isnan(Fs1.sf) || isnan(Ft1.sf))
- cond1 = 1;
- else
- cond1 = 0;
-
- if (isnan(Fs2.sf) || isnan(Ft2.sf))
- cond2 = 1;
- else
- cond2 = 0;
-
- }});
-
- 0x2: c_eq_ps({{
- if (isnan(Fs1.sf) || isnan(Ft1.sf))
- cond1 = 0;
- else
- cond1 = (Fs1.sf == Ft1.sf);
-
- if (isnan(Fs2.sf) || isnan(Ft2.sf))
- cond2 = 0;
- else
- cond2 = (Fs2.sf == Ft2.sf);
- }});
-
- 0x3: c_ueq_ps({{
- if (isnan(Fs1.sf) || isnan(Ft1.sf))
- cond1 = 1;
- else
- cond1 = (Fs1.sf == Ft1.sf);
-
- if (isnan(Fs2.sf) || isnan(Ft2.sf))
- cond2 = 1;
- else
- cond2 = (Fs2.sf == Ft2.sf);
- }});
-
- 0x4: c_olt_ps({{
- if (isnan(Fs1.sf) || isnan(Ft1.sf))
- cond1 = 0;
- else
- cond1 = (Fs1.sf < Ft1.sf);
-
- if (isnan(Fs2.sf) || isnan(Ft2.sf))
- cond2 = 0;
- else
- cond2 = (Fs2.sf < Ft2.sf);
- }});
-
- 0x5: c_ult_ps({{
- if (isnan(Fs1.sf) || isnan(Ft1.sf))
- cond1 = 1;
- else
- cond1 = (Fs.sf < Ft.sf);
-
- if (isnan(Fs2.sf) || isnan(Ft2.sf))
- cond2 = 1;
- else
- cond2 = (Fs2.sf < Ft2.sf);
- }});
-
- 0x6: c_ole_ps({{
- if (isnan(Fs.sf) || isnan(Ft.sf))
- cond1 = 0;
- else
- cond1 = (Fs.sf <= Ft.sf);
-
- if (isnan(Fs2.sf) || isnan(Ft2.sf))
- cond2 = 0;
- else
- cond2 = (Fs2.sf <= Ft2.sf);
- }});
-
- 0x7: c_ule_ps({{
- if (isnan(Fs1.sf) || isnan(Ft1.sf))
- cond1 = 1;
- else
- cond1 = (Fs1.sf <= Ft1.sf);
-
- if (isnan(Fs2.sf) || isnan(Ft2.sf))
- cond2 = 1;
- else
- cond2 = (Fs2.sf <= Ft2.sf);
- }});
+ 0x0: c_f_ps({{ cond1 = 0; }}, {{ cond2 = 0; }},
+ UnorderedFalse);
+ 0x1: c_un_ps({{ cond1 = 0; }}, {{ cond2 = 0; }},
+ UnorderedTrue);
+ 0x2: c_eq_ps({{ cond1 = (Fs1.sf == Ft1.sf); }},
+ {{ cond2 = (Fs2.sf == Ft2.sf); }},
+ UnorderedFalse);
+ 0x3: c_ueq_ps({{ cond1 = (Fs1.sf == Ft1.sf); }},
+ {{ cond2 = (Fs2.sf == Ft2.sf); }},
+ UnorderedTrue);
+ 0x4: c_olt_ps({{ cond1 = (Fs1.sf < Ft1.sf); }},
+ {{ cond2 = (Fs2.sf < Ft2.sf); }},
+ UnorderedFalse);
+ 0x5: c_ult_ps({{ cond1 = (Fs.sf < Ft.sf); }},
+ {{ cond2 = (Fs2.sf < Ft2.sf); }},
+ UnorderedTrue);
+ 0x6: c_ole_ps({{ cond1 = (Fs.sf <= Ft.sf); }},
+ {{ cond2 = (Fs2.sf <= Ft2.sf); }},
+ UnorderedFalse);
+ 0x7: c_ule_ps({{ cond1 = (Fs1.sf <= Ft1.sf); }},
+ {{ cond2 = (Fs2.sf <= Ft2.sf); }},
+ UnorderedTrue);
}
}
0x7: decode FUNCTION_LO {
- format FloatPSCompareWithXcptOp {
- 0x0: c_sf_ps({{ cond1 = 0; cond2 = 0; }});
-
- 0x1: c_ngle_ps({{
- if (isnan(Fs1.sf) || isnan(Ft1.sf))
- cond1 = 1;
- else
- cond1 = 0;
-
- if (isnan(Fs2.sf) || isnan(Ft2.sf))
- cond2 = 1;
- else
- cond2 = 0;
- }});
-
- 0x2: c_seq_ps({{
- if (isnan(Fs1.sf) || isnan(Ft1.sf))
- cond1 = 0;
- else
- cond1 = (Fs1.sf == Ft1.sf);
-
- if (isnan(Fs2.sf) || isnan(Ft2.sf))
- cond2 = 0;
- else
- cond2 = (Fs2.sf == Ft2.sf);
- }});
-
- 0x3: c_ngl_ps({{
- if (isnan(Fs1.sf) || isnan(Ft1.sf))
- cond1 = 1;
- else
- cond1 = (Fs1.sf == Ft1.sf);
-
- if (isnan(Fs2.sf) || isnan(Ft2.sf))
- cond2 = 1;
- else
- cond2 = (Fs2.sf == Ft2.sf);
- }});
-
- 0x4: c_lt_ps({{
- if (isnan(Fs1.sf) || isnan(Ft1.sf))
- cond1 = 0;
- else
- cond1 = (Fs1.sf < Ft1.sf);
-
- if (isnan(Fs2.sf) || isnan(Ft2.sf))
- cond2 = 0;
- else
- cond2 = (Fs2.sf < Ft2.sf);
- }});
-
- 0x5: c_nge_ps({{
- if (isnan(Fs1.sf) || isnan(Ft1.sf))
- cond1 = 1;
- else
- cond1 = (Fs1.sf < Ft1.sf);
-
- if (isnan(Fs2.sf) || isnan(Ft2.sf))
- cond2 = 1;
- else
- cond2 = (Fs2.sf < Ft2.sf);
- }});
-
- 0x6: c_le_ps({{
- if (isnan(Fs1.sf) || isnan(Ft1.sf))
- cond1 = 0;
- else
- cond1 = (Fs1.sf <= Ft1.sf);
-
- if (isnan(Fs2.sf) || isnan(Ft2.sf))
- cond2 = 0;
- else
- cond2 = (Fs2.sf <= Ft2.sf);
- }});
-
- 0x7: c_ngt_ps({{
- if (isnan(Fs1.sf) || isnan(Ft1.sf))
- cond1 = 1;
- else
- cond1 = (Fs1.sf <= Ft1.sf);
-
- if (isnan(Fs2.sf) || isnan(Ft2.sf))
- cond2 = 1;
- else
- cond2 = (Fs2.sf <= Ft2.sf);
- }});
+ format FloatPSCompareOp {
+ 0x0: c_sf_ps({{ cond1 = 0; }}, {{ cond2 = 0; }},
+ UnorderedFalse, QnanException);
+ 0x1: c_ngle_ps({{ cond1 = 0; }},
+ {{ cond2 = 0; }},
+ UnorderedTrue, QnanException);
+ 0x2: c_seq_ps({{ cond1 = (Fs1.sf == Ft1.sf); }},
+ {{ cond2 = (Fs2.sf == Ft2.sf); }},
+ UnorderedFalse, QnanException);
+ 0x3: c_ngl_ps({{ cond1 = (Fs1.sf == Ft1.sf); }},
+ {{ cond2 = (Fs2.sf == Ft2.sf); }},
+ UnorderedTrue, QnanException);
+ 0x4: c_lt_ps({{ cond1 = (Fs1.sf < Ft1.sf); }},
+ {{ cond2 = (Fs2.sf < Ft2.sf); }},
+ UnorderedFalse, QnanException);
+ 0x5: c_nge_ps({{ cond1 = (Fs1.sf < Ft1.sf); }},
+ {{ cond2 = (Fs2.sf < Ft2.sf); }},
+ UnorderedTrue, QnanException);
+ 0x6: c_le_ps({{ cond1 = (Fs1.sf <= Ft1.sf); }},
+ {{ cond2 = (Fs2.sf <= Ft2.sf); }},
+ UnorderedFalse, QnanException);
+ 0x7: c_ngt_ps({{ cond1 = (Fs1.sf <= Ft1.sf); }},
+ {{ cond2 = (Fs2.sf <= Ft2.sf); }},
+ UnorderedTrue, QnanException);
}
}
}
@@ -1209,9 +821,9 @@ decode OPCODE_HI default Unknown::unknown() {
//Table A-19 MIPS32 COP2 Encoding of rs Field
0x2: decode RS_MSB {
- 0x0: decode RS_HI {
- 0x0: decode RS_LO {
- format WarnUnimpl {
+ format FailUnimpl {
+ 0x0: decode RS_HI {
+ 0x0: decode RS_LO {
0x0: mfc2();
0x2: cfc2();
0x3: mfhc2();
@@ -1219,18 +831,14 @@ decode OPCODE_HI default Unknown::unknown() {
0x6: ctc2();
0x7: mftc2();
}
- }
- 0x1: decode ND {
- 0x0: decode TF {
- format WarnUnimpl {
+ 0x1: decode ND {
+ 0x0: decode TF {
0x0: bc2f();
0x1: bc2t();
}
- }
- 0x1: decode TF {
- format WarnUnimpl {
+ 0x1: decode TF {
0x0: bc2fl();
0x1: bc2tl();
}
@@ -1244,441 +852,240 @@ decode OPCODE_HI default Unknown::unknown() {
//operations are enabled."
0x3: decode FUNCTION_HI {
0x0: decode FUNCTION_LO {
- format LoadFloatMemory {
- 0x0: lwxc1({{ Ft.uw = Mem.uw;}}, {{ EA = Rs + Rt; }});
- 0x1: ldxc1({{ Ft.ud = Mem.ud;}}, {{ EA = Rs + Rt; }});
- 0x5: luxc1({{ Ft.uw = Mem.ud;}}, {{ EA = Rs + Rt; }});
+ format LoadIndexedMemory {
+ 0x0: lwxc1({{ Ft.uw = Mem.uw;}});
+ 0x1: ldxc1({{ Ft.ud = Mem.ud;}});
+ 0x5: luxc1({{ Ft.uw = Mem.ud;}});
}
}
0x1: decode FUNCTION_LO {
- format StoreFloatMemory {
- 0x0: swxc1({{ Mem.uw = Ft.uw;}}, {{ EA = Rs + Rt; }});
- 0x1: sdxc1({{ Mem.ud = Ft.ud;}}, {{ EA = Rs + Rt; }});
- 0x5: suxc1({{ Mem.ud = Ft.ud;}}, {{ EA = Rs + Rt; }});
+ format StoreIndexedMemory {
+ 0x0: swxc1({{ Mem.uw = Ft.uw;}});
+ 0x1: sdxc1({{ Mem.ud = Ft.ud;}});
+ 0x5: suxc1({{ Mem.ud = Ft.ud;}});
}
- 0x7: WarnUnimpl::prefx();
+ 0x7: Prefetch::prefx({{ EA = Rs + Rt; }});
}
- format FloatOp {
- 0x3: WarnUnimpl::alnv_ps();
+ 0x3: decode FUNCTION_LO {
+ 0x6: Float64Op::alnv_ps({{ if (Rs<2:0> == 0) {
+ Fd.ud = Fs.ud;
+ } else if (Rs<2:0> == 4) {
+ #if BYTE_ORDER == BIG_ENDIAN
+ Fd.ud = Fs.ud<31:0> << 32 |
+ Ft.ud<63:32>;
+ #elif BYTE_ORDER == LITTLE_ENDIAN
+ Fd.ud = Ft.ud<31:0> << 32 |
+ Fs.ud<63:32>;
+ #endif
+ } else {
+ Fd.ud = Fd.ud;
+ }
+ }});
+ }
- format BasicOp {
- 0x4: decode FUNCTION_LO {
- 0x0: madd_s({{ Fd.sf = (Fs.sf * Ft.sf) + Fr.sf; }});
- 0x1: madd_d({{ Fd.df = (Fs.df * Ft.df) + Fr.df; }});
- 0x6: madd_ps({{
- Fd1.sf = (Fs1.df * Ft1.df) + Fr1.df;
- Fd2.sf = (Fs2.df * Ft2.df) + Fr2.df;
- }});
- }
+ format FloatAccOp {
+ 0x4: decode FUNCTION_LO {
+ 0x0: madd_s({{ Fd.sf = (Fs.sf * Ft.sf) + Fr.sf; }});
+ 0x1: madd_d({{ Fd.df = (Fs.df * Ft.df) + Fr.df; }});
+ 0x6: madd_ps({{
+ Fd1.sf = (Fs1.df * Ft1.df) + Fr1.df;
+ Fd2.sf = (Fs2.df * Ft2.df) + Fr2.df;
+ }});
+ }
- 0x5: decode FUNCTION_LO {
- 0x0: msub_s({{ Fd.sf = (Fs.sf * Ft.sf) - Fr.sf; }});
- 0x1: msub_d({{ Fd.df = (Fs.df * Ft.df) - Fr.df; }});
- 0x6: msub_ps({{
- Fd1.sf = (Fs1.df * Ft1.df) - Fr1.df;
- Fd2.sf = (Fs2.df * Ft2.df) - Fr2.df;
- }});
- }
+ 0x5: decode FUNCTION_LO {
+ 0x0: msub_s({{ Fd.sf = (Fs.sf * Ft.sf) - Fr.sf; }});
+ 0x1: msub_d({{ Fd.df = (Fs.df * Ft.df) - Fr.df; }});
+ 0x6: msub_ps({{
+ Fd1.sf = (Fs1.df * Ft1.df) - Fr1.df;
+ Fd2.sf = (Fs2.df * Ft2.df) - Fr2.df;
+ }});
+ }
- 0x6: decode FUNCTION_LO {
- 0x0: nmadd_s({{ Fd.sf = (-1 * Fs.sf * Ft.sf) - Fr.sf; }});
- 0x1: nmadd_d({{ Fd.df = (-1 * Fs.df * Ft.df) + Fr.df; }});
- 0x6: nmadd_ps({{
- Fd1.sf = -1 * ((Fs1.df * Ft1.df) + Fr1.df);
- Fd2.sf = -1 * ((Fs2.df * Ft2.df) + Fr2.df);
- }});
- }
+ 0x6: decode FUNCTION_LO {
+ 0x0: nmadd_s({{ Fd.sf = (-1 * Fs.sf * Ft.sf) - Fr.sf; }});
+ 0x1: nmadd_d({{ Fd.df = (-1 * Fs.df * Ft.df) + Fr.df; }});
+ 0x6: nmadd_ps({{
+ Fd1.sf = -((Fs1.df * Ft1.df) + Fr1.df);
+ Fd2.sf = -((Fs2.df * Ft2.df) + Fr2.df);
+ }});
+ }
- 0x7: decode FUNCTION_LO {
- 0x0: nmsub_s({{ Fd.sf = (-1 * Fs.sf * Ft.sf) - Fr.sf; }});
- 0x1: nmsub_d({{ Fd.df = (-1 * Fs.df * Ft.df) - Fr.df; }});
- 0x6: nmsub_ps({{
- Fd1.sf = -1 * ((Fs1.df * Ft1.df) - Fr1.df);
- Fd2.sf = -1 * ((Fs2.df * Ft2.df) - Fr2.df);
- }});
- }
+ 0x7: decode FUNCTION_LO {
+ 0x0: nmsub_s({{ Fd.sf = (-1 * Fs.sf * Ft.sf) - Fr.sf; }});
+ 0x1: nmsub_d({{ Fd.df = (-1 * Fs.df * Ft.df) - Fr.df; }});
+ 0x6: nmsub_ps({{
+ Fd1.sf = -((Fs1.df * Ft1.df) - Fr1.df);
+ Fd2.sf = -((Fs2.df * Ft2.df) - Fr2.df);
+ }});
}
+
}
}
- format BranchLikely {
- 0x4: beql({{ cond = (Rs.sw == 0); }});
- 0x5: bnel({{ cond = (Rs.sw != 0); }});
- 0x6: blezl({{ cond = (Rs.sw <= 0); }});
- 0x7: bgtzl({{ cond = (Rs.sw > 0); }});
+ format Branch {
+ 0x4: beql({{ cond = (Rs.sw == Rt.sw); }}, Likely);
+ 0x5: bnel({{ cond = (Rs.sw != Rt.sw); }}, Likely);
+ 0x6: blezl({{ cond = (Rs.sw <= 0); }}, Likely);
+ 0x7: bgtzl({{ cond = (Rs.sw > 0); }}, Likely);
}
}
- 0x3: decode OPCODE_LO default FailUnimpl::reserved() {
-
+ 0x3: decode OPCODE_LO {
//Table A-5 MIPS32 SPECIAL2 Encoding of Function Field
0x4: decode FUNCTION_HI {
-
0x0: decode FUNCTION_LO {
- format IntOp {
- 0x0: madd({{
- int64_t temp1 = (int64_t) HI << 32 | LO;
- temp1 = temp1 + (Rs.sw * Rt.sw);
- HI = temp1<63:32>;
- LO = temp1<31:0>;
- }});
-
- 0x1: maddu({{
- int64_t temp1 = (int64_t) HI << 32 | LO;
- temp1 = temp1 + (Rs.uw * Rt.uw);
- HI = temp1<63:32>;
- LO = temp1<31:0>;
- }});
-
- 0x2: mul({{ Rd.sw = Rs.sw * Rt.sw; }});
-
- 0x4: msub({{
- int64_t temp1 = (int64_t) HI << 32 | LO;
- temp1 = temp1 - (Rs.sw * Rt.sw);
- HI = temp1<63:32>;
- LO = temp1<31:0>;
- }});
+ 0x2: IntOp::mul({{ int64_t temp1 = Rs.sd * Rt.sd;
+ Rd.sw = temp1<31:0>
+ }});
- 0x5: msubu({{
- int64_t temp1 = (int64_t) HI << 32 | LO;
- temp1 = temp1 - (Rs.uw * Rt.uw);
- HI = temp1<63:32>;
- LO = temp1<31:0>;
- }});
+ format HiLoOp {
+ 0x0: madd({{ val = ((int64_t) HI << 32 | LO) +
+ (Rs.sd * Rt.sd);
+ }});
+ 0x1: maddu({{ val = ((uint64_t) HI << 32 | LO) +
+ (Rs.ud * Rt.ud);
+ }});
+ 0x4: msub({{ val = ((int64_t) HI << 32 | LO) -
+ (Rs.sd * Rt.sd);
+ }});
+ 0x5: msubu({{ val = ((uint64_t) HI << 32 | LO) -
+ (Rs.ud * Rt.ud);
+ }});
}
}
0x4: decode FUNCTION_LO {
format BasicOp {
- 0x0: clz({{
- int cnt = 0;
- uint32_t mask = 0x80000000;
- for (int i=0; i < 32; i++) {
- if( (Rs & mask) == 0) {
- cnt++;
- } else {
- break;
- }
- }
- Rd.uw = cnt;
- }});
-
- 0x1: clo({{
- int cnt = 0;
- uint32_t mask = 0x80000000;
- for (int i=0; i < 32; i++) {
- if( (Rs & mask) != 0) {
- cnt++;
- } else {
- break;
- }
- }
- Rd.uw = cnt;
- }});
+ 0x0: clz({{ int cnt = 32;
+ for (int idx = 31; idx >= 0; idx--) {
+ if( Rs<idx:idx> == 1) {
+ cnt = 31 - idx;
+ break;
+ }
+ }
+ Rd.uw = cnt;
+ }});
+ 0x1: clo({{ int cnt = 32;
+ for (int idx = 31; idx >= 0; idx--) {
+ if( Rs<idx:idx> == 0) {
+ cnt = 31 - idx;
+ break;
+ }
+ }
+ Rd.uw = cnt;
+ }});
}
}
0x7: decode FUNCTION_LO {
- 0x7: WarnUnimpl::sdbbp();
+ 0x7: FailUnimpl::sdbbp();
}
}
- //Table A-6 MIPS32 SPECIAL3 Encoding of Function Field for Release 2 of the Architecture
+ //Table A-6 MIPS32 SPECIAL3 Encoding of Function Field for Release 2
+ //of the Architecture
0x7: decode FUNCTION_HI {
-
0x0: decode FUNCTION_LO {
- format FailUnimpl {
- 0x1: ext();
- 0x4: ins();
+ format BasicOp {
+ 0x1: ext({{ Rt.uw = bits(Rs.uw, MSB+LSB, LSB); }});
+ 0x4: ins({{ Rt.uw = bits(Rt.uw, 31, MSB+1) << (MSB+1) |
+ bits(Rs.uw, MSB-LSB, 0) << LSB |
+ bits(Rt.uw, LSB-1, 0);
+ }});
}
}
0x1: decode FUNCTION_LO {
- format FailUnimpl {
+ format MipsMT {
0x0: fork();
0x1: yield();
}
}
-
//Table A-10 MIPS32 BSHFL Encoding of sa Field
0x4: decode SA {
-
- 0x02: FailUnimpl::wsbh();
-
format BasicOp {
+ 0x02: wsbh({{ Rd.uw = Rt.uw<23:16> << 24 |
+ Rt.uw<31:24> << 16 |
+ Rt.uw<7:0> << 8 |
+ Rt.uw<15:8>;
+ }});
0x10: seb({{ Rd.sw = Rt.sw<7:0>}});
0x18: seh({{ Rd.sw = Rt.sw<15:0>}});
}
}
0x6: decode FUNCTION_LO {
- 0x7: FailUnimpl::rdhwr();//{{ /*Rt = xc->hwRegs[RD];*/ }}
+ 0x7: FailUnimpl::rdhwr();
}
}
}
- 0x4: decode OPCODE_LO default FailUnimpl::reserved() {
+ 0x4: decode OPCODE_LO {
format LoadMemory {
0x0: lb({{ Rt.sw = Mem.sb; }});
0x1: lh({{ Rt.sw = Mem.sh; }});
-
- 0x2: lwl({{
- uint32_t mem_word = Mem.uw;
- uint32_t unalign_addr = Rs + disp;
- uint32_t offset = unalign_addr & 0x00000003;
-#if BYTE_ORDER == BIG_ENDIAN
- switch(offset)
- {
- case 0:
- Rt = mem_word;
- break;
-
- case 1:
- Rt &= 0x000F;
- Rt |= (mem_word << 4);
- break;
-
- case 2:
- Rt &= 0x00FF;
- Rt |= (mem_word << 8);
- break;
-
- case 3:
- Rt &= 0x0FFF;
- Rt |= (mem_word << 12);
- break;
-
- default:
- panic("lwl: bad offset");
- }
-#elif BYTE_ORDER == LITTLE_ENDIAN
- switch(offset)
- {
- case 0:
- Rt &= 0x0FFF;
- Rt |= (mem_word << 12);
- break;
-
- case 1:
- Rt &= 0x00FF;
- Rt |= (mem_word << 8);
- break;
-
- case 2:
- Rt &= 0x000F;
- Rt |= (mem_word << 4);
- break;
-
- case 3:
- Rt = mem_word;
- break;
-
- default:
- panic("lwl: bad offset");
- }
-#endif
- }}, {{ EA = (Rs + disp) & ~3; }});
-
0x3: lw({{ Rt.sw = Mem.sw; }});
0x4: lbu({{ Rt.uw = Mem.ub; }});
0x5: lhu({{ Rt.uw = Mem.uh; }});
- 0x6: lwr({{
- uint32_t mem_word = Mem.uw;
- uint32_t unalign_addr = Rs + disp;
- uint32_t offset = unalign_addr & 0x00000003;
-
-#if BYTE_ORDER == BIG_ENDIAN
- switch(offset)
- {
- case 0: Rt &= 0xFFF0; Rt |= (mem_word >> 12); break;
- case 1: Rt &= 0xFF00; Rt |= (mem_word >> 8); break;
- case 2: Rt &= 0xF000; Rt |= (mem_word >> 4); break;
- case 3: Rt = mem_word; break;
- default: panic("lwr: bad offset");
- }
-#elif BYTE_ORDER == LITTLE_ENDIAN
- switch(offset)
- {
- case 0: Rt = mem_word; break;
- case 1: Rt &= 0xF000; Rt |= (mem_word >> 4); break;
- case 2: Rt &= 0xFF00; Rt |= (mem_word >> 8); break;
- case 3: Rt &= 0xFFF0; Rt |= (mem_word >> 12); break;
- default: panic("lwr: bad offset");
- }
-#endif
- }},
- {{ EA = (Rs + disp) & ~3; }});
+ }
+
+ format LoadUnalignedMemory {
+ 0x2: lwl({{ uint32_t mem_shift = 24 - (8 * byte_offset);
+ Rt.uw = mem_word << mem_shift |
+ Rt.uw & mask(mem_shift);
+ }});
+ 0x6: lwr({{ uint32_t mem_shift = 8 * byte_offset;
+ Rt.uw = Rt.uw & (mask(mem_shift) << (32 - mem_shift)) |
+ mem_word >> mem_shift;
+ }});
}
}
- 0x5: decode OPCODE_LO default FailUnimpl::reserved() {
+ 0x5: decode OPCODE_LO {
format StoreMemory {
0x0: sb({{ Mem.ub = Rt<7:0>; }});
0x1: sh({{ Mem.uh = Rt<15:0>; }});
- 0x2: swl({{
- uint32_t mem_word = 0;
- uint32_t aligned_addr = (Rs + disp) & ~3;
- uint32_t unalign_addr = Rs + disp;
- uint32_t offset = unalign_addr & 0x00000003;
-
- DPRINTF(IEW,"Execute: aligned=0x%x unaligned=0x%x\n offset=0x%x",
- aligned_addr,unalign_addr,offset);
-
- fault = xc->read(aligned_addr, (uint32_t&)mem_word, memAccessFlags);
-
-#if BYTE_ORDER == BIG_ENDIAN
- switch(offset)
- {
- case 0:
- Mem = Rt;
- break;
-
- case 1:
- mem_word &= 0xF000;
- mem_word |= (Rt >> 4);
- Mem = mem_word;
- break;
-
- case 2:
- mem_word &= 0xFF00;
- mem_word |= (Rt >> 8);
- Mem = mem_word;
- break;
-
- case 3:
- mem_word &= 0xFFF0;
- mem_word |= (Rt >> 12);
- Mem = mem_word;
- break;
-
- default:
- panic("swl: bad offset");
- }
-#elif BYTE_ORDER == LITTLE_ENDIAN
- switch(offset)
- {
- case 0:
- mem_word &= 0xFFF0;
- mem_word |= (Rt >> 12);
- Mem = mem_word;
- break;
-
- case 1:
- mem_word &= 0xFF00;
- mem_word |= (Rt >> 8);
- Mem = mem_word;
- break;
-
- case 2:
- mem_word &= 0xF000;
- mem_word |= (Rt >> 4);
- Mem = mem_word;
- break;
-
- case 3:
- Mem = Rt;
- break;
-
- default:
- panic("swl: bad offset");
- }
-#endif
- }},{{ EA = (Rs + disp) & ~3; }},mem_flags = NO_ALIGN_FAULT);
-
0x3: sw({{ Mem.uw = Rt<31:0>; }});
-
- 0x6: swr({{
- uint32_t mem_word = 0;
- uint32_t aligned_addr = (Rs + disp) & ~3;
- uint32_t unalign_addr = Rs + disp;
- uint32_t offset = unalign_addr & 0x00000003;
-
- fault = xc->read(aligned_addr, (uint32_t&)mem_word, memAccessFlags);
-
-#if BYTE_ORDER == BIG_ENDIAN
- switch(offset)
- {
- case 0:
- mem_word &= 0x0FFF;
- mem_word |= (Rt << 12);
- Mem = mem_word;
- break;
-
- case 1:
- mem_word &= 0x00FF;
- mem_word |= (Rt << 8);
- Mem = mem_word;
- break;
-
- case 2:
- mem_word &= 0x000F;
- mem_word |= (Rt << 4);
- Mem = mem_word;
- break;
-
- case 3:
- Mem = Rt;
- break;
-
- default:
- panic("swr: bad offset");
- }
-#elif BYTE_ORDER == LITTLE_ENDIAN
- switch(offset)
- {
- case 0:
- Mem = Rt;
- break;
-
- case 1:
- mem_word &= 0x000F;
- mem_word |= (Rt << 4);
- Mem = mem_word;
- break;
-
- case 2:
- mem_word &= 0x00FF;
- mem_word |= (Rt << 8);
- Mem = mem_word;
- break;
-
- case 3:
- mem_word &= 0x0FFF;
- mem_word |= (Rt << 12);
- Mem = mem_word;
- break;
-
- default:
- panic("swr: bad offset");
- }
-#endif
- }},{{ EA = (Rs + disp) & ~3;}},mem_flags = NO_ALIGN_FAULT);
}
- format WarnUnimpl {
- 0x7: cache();
+ format StoreUnalignedMemory {
+ 0x2: swl({{ uint32_t reg_shift = 24 - (8 * byte_offset);
+ uint32_t mem_shift = 32 - reg_shift;
+ mem_word = mem_word & (mask(reg_shift) << mem_shift) |
+ Rt.uw >> reg_shift;
+ }});
+ 0x6: swr({{ uint32_t reg_shift = 8 * byte_offset;
+ mem_word = Rt.uw << reg_shift |
+ mem_word & (mask(reg_shift));
+ }});
}
+ 0x7: FailUnimpl::cache();
}
- 0x6: decode OPCODE_LO default FailUnimpl::reserved() {
- 0x0: LoadMemory::ll({{Rt.uw = Mem.uw}},mem_flags=LOCKED);
-
- format LoadFloatMemory {
- 0x1: lwc1({{ Ft.uw = Mem.uw; }});
+ 0x6: decode OPCODE_LO {
+ format LoadMemory {
+ 0x0: ll({{ Rt.uw = Mem.uw; }}, mem_flags=LOCKED);
+ 0x1: lwc1({{ Ft.uw = Mem.uw; }});
0x5: ldc1({{ Ft.ud = Mem.ud; }});
}
+
+ 0x3: Prefetch::pref();
}
- 0x7: decode OPCODE_LO default FailUnimpl::reserved() {
- 0x0: StoreMemory::sc({{ Mem.uw = Rt.uw; Rt.uw = 1; }});
+ 0x7: decode OPCODE_LO {
+ 0x0: StoreCond::sc({{ Mem.uw = Rt.uw;}},
+ {{ uint64_t tmp = write_result;
+ Rt.uw = (tmp == 0 || tmp == 1) ? tmp : Rt.uw;
+ }}, mem_flags=LOCKED);
- format StoreFloatMemory {
+ format StoreMemory {
0x1: swc1({{ Mem.uw = Ft.uw; }});
0x5: sdc1({{ Mem.ud = Ft.ud; }});
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 19:36:31 +0000