diff options
author | Andreas Hansson <andreas.hansson@arm.com> | 2014-10-16 05:49:51 -0400 |
---|---|---|
committer | Andreas Hansson <andreas.hansson@arm.com> | 2014-10-16 05:49:51 -0400 |
commit | a2d246b6b8379f9a74dbc56feefc155f615b5ea4 (patch) | |
tree | bbfaf7a39edebda5ca7ddac9af5e205823d37e10 /src/arch/sparc/isa/decoder.isa | |
parent | a769963d16b7b259580fa2da1e84f62aae0a5a42 (diff) | |
download | gem5-a2d246b6b8379f9a74dbc56feefc155f615b5ea4.tar.xz |
arch: Use shared_ptr for all Faults
This patch takes quite a large step in transitioning from the ad-hoc
RefCountingPtr to the c++11 shared_ptr by adopting its use for all
Faults. There are no changes in behaviour, and the code modifications
are mostly just replacing "new" with "make_shared".
Diffstat (limited to 'src/arch/sparc/isa/decoder.isa')
-rw-r--r-- | src/arch/sparc/isa/decoder.isa | 84 |
1 files changed, 42 insertions, 42 deletions
diff --git a/src/arch/sparc/isa/decoder.isa b/src/arch/sparc/isa/decoder.isa index ad8ba5300..befac53e6 100644 --- a/src/arch/sparc/isa/decoder.isa +++ b/src/arch/sparc/isa/decoder.isa @@ -38,7 +38,7 @@ decode OP default Unknown::unknown() 0x0: decode OP2 { // Throw an illegal instruction acception - 0x0: Trap::illtrap({{fault = new IllegalInstruction;}}); + 0x0: Trap::illtrap({{fault = std::make_shared<IllegalInstruction>();}}); format BranchN { // bpcc @@ -165,13 +165,13 @@ decode OP default Unknown::unknown() 0x0C: subc({{Rd_sdw = Rs1_sdw + (~Rs2_or_imm13) + 1 - Ccr<0:0>}}); 0x0D: udivx({{ if (Rs2_or_imm13 == 0) - fault = new DivisionByZero; + fault = std::make_shared<DivisionByZero>(); else Rd_udw = Rs1_udw / Rs2_or_imm13; }}); 0x0E: udiv({{ if (Rs2_or_imm13 == 0) { - fault = new DivisionByZero; + fault = std::make_shared<DivisionByZero>(); } else { Rd_udw = ((Y << 32) | Rs1_udw<31:0>) / Rs2_or_imm13; if (Rd_udw >> 32 != 0) @@ -180,7 +180,7 @@ decode OP default Unknown::unknown() }}); 0x0F: sdiv({{ if (Rs2_or_imm13_sdw == 0) { - fault = new DivisionByZero; + fault = std::make_shared<DivisionByZero>(); } else { Rd_udw = ((int64_t)((Y << 32) | Rs1_sdw<31:0>)) / Rs2_or_imm13_sdw; @@ -227,7 +227,7 @@ decode OP default Unknown::unknown() }}, sub=True); 0x1D: IntOpCcRes::udivxcc({{ if (Rs2_or_imm13_udw == 0) - fault = new DivisionByZero; + fault = std::make_shared<DivisionByZero>(); else Rd = Rs1_udw / Rs2_or_imm13_udw;}}); 0x1E: IntOpCcRes::udivcc({{ @@ -235,7 +235,7 @@ decode OP default Unknown::unknown() uint32_t val2 = Rs2_or_imm13_udw; int32_t overflow = 0; if (val2 == 0) { - fault = new DivisionByZero; + fault = std::make_shared<DivisionByZero>(); } else { resTemp = (uint64_t)((Y << 32) | Rs1_udw<31:0>) / val2; overflow = (resTemp<63:32> != 0); @@ -249,7 +249,7 @@ decode OP default Unknown::unknown() int64_t val2 = Rs2_or_imm13_sdw<31:0>; bool overflow = false, underflow = false; if (val2 == 0) { - fault = new DivisionByZero; + fault = std::make_shared<DivisionByZero>(); } else { Rd = (int64_t)((Y << 32) | Rs1_sdw<31:0>) / val2; overflow = ((int64_t)Rd >= std::numeric_limits<int32_t>::max()); @@ -280,7 +280,7 @@ decode OP default Unknown::unknown() bool overflow = (op1 & mask(2)) || (op2 & mask(2)) || findOverflow(32, res, op1, op2); if (overflow) - fault = new TagOverflow; + fault = std::make_shared<TagOverflow>(); }}, iv={{overflow}}); 0x23: tsubcctv({{ int64_t res, op1 = Rs1, op2 = Rs2_or_imm13; @@ -288,7 +288,7 @@ decode OP default Unknown::unknown() bool overflow = (op1 & mask(2)) || (op2 & mask(2)) || findOverflow(32, res, op1, ~op2); if (overflow) - fault = new TagOverflow; + fault = std::make_shared<TagOverflow>(); }}, iv={{overflow}}, sub=True); 0x24: mulscc({{ int32_t savedLSB = Rs1<0:>; @@ -399,9 +399,9 @@ decode OP default Unknown::unknown() 0x2B: BasicOperate::flushw({{ if (NWindows - 2 - Cansave != 0) { if (Otherwin) - fault = new SpillNOther(4*Wstate<5:3>); + fault = std::make_shared<SpillNOther>(4*Wstate<5:3>); else - fault = new SpillNNormal(4*Wstate<2:0>); + fault = std::make_shared<SpillNNormal>(4*Wstate<2:0>); } }}); 0x2C: decode MOVCC3 @@ -451,11 +451,11 @@ decode OP default Unknown::unknown() } 0x2D: sdivx({{ if (Rs2_or_imm13_sdw == 0) - fault = new DivisionByZero; + fault = std::make_shared<DivisionByZero>(); else Rd_sdw = Rs1_sdw / Rs2_or_imm13_sdw; }}); - 0x2E: Trap::popc({{fault = new IllegalInstruction;}}); + 0x2E: Trap::popc({{fault = std::make_shared<IllegalInstruction>();}}); 0x2F: decode RCOND3 { 0x1: movreq({{Rd = (Rs1_sdw == 0) ? Rs2_or_imm10 : Rd;}}); @@ -474,13 +474,13 @@ decode OP default Unknown::unknown() // 0x04-0x05 should cause an illegal instruction exception 0x06: NoPriv::wrfprs({{Fprs = Rs1 ^ Rs2_or_imm13;}}); // 0x07-0x0E should cause an illegal instruction exception - 0x0F: Trap::softreset({{fault = new SoftwareInitiatedReset;}}); + 0x0F: Trap::softreset({{fault = std::make_shared<SoftwareInitiatedReset>();}}); 0x10: Priv::wrpcr({{Pcr = Rs1 ^ Rs2_or_imm13;}}); 0x11: Priv::wrpic({{Pic = Rs1 ^ Rs2_or_imm13;}}, {{Pcr<0:>}}); // 0x12 should cause an illegal instruction exception 0x13: NoPriv::wrgsr({{ if (Fprs<2:> == 0 || Pstate.pef == 0) - return new FpDisabled; + return std::make_shared<FpDisabled>(); Gsr = Rs1 ^ Rs2_or_imm13; }}); 0x14: Priv::wrsoftint_set({{SoftintSet = Rs1 ^ Rs2_or_imm13;}}); @@ -489,7 +489,7 @@ decode OP default Unknown::unknown() 0x17: Priv::wrtick_cmpr({{TickCmpr = Rs1 ^ Rs2_or_imm13;}}); 0x18: NoPriv::wrstick({{ if (!Hpstate.hpriv) - return new IllegalInstruction; + return std::make_shared<IllegalInstruction>(); Stick = Rs1 ^ Rs2_or_imm13; }}); 0x19: Priv::wrstick_cmpr({{StickCmpr = Rs1 ^ Rs2_or_imm13;}}); @@ -715,7 +715,7 @@ decode OP default Unknown::unknown() 0x55: fcmpes({{ uint8_t fcc = 0; if (std::isnan(Frs1s) || std::isnan(Frs2s)) - fault = new FpExceptionIEEE754; + fault = std::make_shared<FpExceptionIEEE754>(); if (Frs1s < Frs2s) fcc = 1; else if (Frs1s > Frs2s) @@ -728,7 +728,7 @@ decode OP default Unknown::unknown() 0x56: fcmped({{ uint8_t fcc = 0; if (std::isnan(Frs1) || std::isnan(Frs2)) - fault = new FpExceptionIEEE754; + fault = std::make_shared<FpExceptionIEEE754>(); if (Frs1 < Frs2) fcc = 1; else if (Frs1 > Frs2) @@ -890,10 +890,10 @@ decode OP default Unknown::unknown() 0x37: FailUnimpl::fmul8ulx16(); 0x38: FailUnimpl::fmuld8sux16(); 0x39: FailUnimpl::fmuld8ulx16(); - 0x3A: Trap::fpack32({{fault = new IllegalInstruction;}}); - 0x3B: Trap::fpack16({{fault = new IllegalInstruction;}}); - 0x3D: Trap::fpackfix({{fault = new IllegalInstruction;}}); - 0x3E: Trap::pdist({{fault = new IllegalInstruction;}}); + 0x3A: Trap::fpack32({{fault = std::make_shared<IllegalInstruction>();}}); + 0x3B: Trap::fpack16({{fault = std::make_shared<IllegalInstruction>();}}); + 0x3D: Trap::fpackfix({{fault = std::make_shared<IllegalInstruction>();}}); + 0x3E: Trap::pdist({{fault = std::make_shared<IllegalInstruction>();}}); 0x48: BasicOperate::faligndata({{ uint64_t msbX = Frs1_udw; uint64_t lsbX = Frs2_udw; @@ -919,7 +919,7 @@ decode OP default Unknown::unknown() ((lsbX & lsbMask) >> lsbShift); } }}); - 0x4B: Trap::fpmerge({{fault = new IllegalInstruction;}}); + 0x4B: Trap::fpmerge({{fault = std::make_shared<IllegalInstruction>();}}); 0x4C: FailUnimpl::bshuffle(); 0x4D: FailUnimpl::fexpand(); 0x50: FailUnimpl::fpadd16(); @@ -970,7 +970,7 @@ decode OP default Unknown::unknown() 0x7D: FailUnimpl::fors(); 0x7E: FpBasic::fone({{Frd_udw = std::numeric_limits<uint64_t>::max();}}); 0x7F: FpBasic::fones({{Frds_uw = std::numeric_limits<uint32_t>::max();}}); - 0x80: Trap::shutdown({{fault = new IllegalInstruction;}}); + 0x80: Trap::shutdown({{fault = std::make_shared<IllegalInstruction>();}}); 0x81: FailUnimpl::siam(); } // M5 special opcodes use the reserved IMPDEP2A opcode space @@ -990,12 +990,12 @@ decode OP default Unknown::unknown() panic("M5 panic instruction called at pc = %#x.", PC); }}, No_OpClass, IsNonSpeculative); } - default: Trap::impdep2({{fault = new IllegalInstruction;}}); + default: Trap::impdep2({{fault = std::make_shared<IllegalInstruction>();}}); } 0x38: Branch::jmpl({{ Addr target = Rs1 + Rs2_or_imm13; if (target & 0x3) { - fault = new MemAddressNotAligned; + fault = std::make_shared<MemAddressNotAligned>(); } else { if (Pstate.am) Rd = (PC)<31:0>; @@ -1011,11 +1011,11 @@ decode OP default Unknown::unknown() // faults. if (Canrestore == 0) { if (Otherwin) - fault = new FillNOther(4*Wstate<5:3>); + fault = std::make_shared<FillNOther>(4*Wstate<5:3>); else - fault = new FillNNormal(4*Wstate<2:0>); + fault = std::make_shared<FillNNormal>(4*Wstate<2:0>); } else if (target & 0x3) { // Check for alignment faults - fault = new MemAddressNotAligned; + fault = std::make_shared<MemAddressNotAligned>(); } else { NNPC = target; Cwp = (Cwp - 1 + NWindows) % NWindows; @@ -1030,14 +1030,14 @@ decode OP default Unknown::unknown() if (passesCondition(Ccr<3:0>, COND2)) { int lTrapNum = I ? (Rs1 + SW_TRAP) : (Rs1 + Rs2); DPRINTF(Sparc, "The trap number is %d\n", lTrapNum); - fault = new TrapInstruction(lTrapNum); + fault = std::make_shared<TrapInstruction>(lTrapNum); } }}, IsSerializeAfter, IsNonSpeculative, IsSyscall); 0x2: Trap::tccx({{ if (passesCondition(Ccr<7:4>, COND2)) { int lTrapNum = I ? (Rs1 + SW_TRAP) : (Rs1 + Rs2); DPRINTF(Sparc, "The trap number is %d\n", lTrapNum); - fault = new TrapInstruction(lTrapNum); + fault = std::make_shared<TrapInstruction>(lTrapNum); } }}, IsSerializeAfter, IsNonSpeculative, IsSyscall); } @@ -1046,11 +1046,11 @@ decode OP default Unknown::unknown() 0x3C: save({{ if (Cansave == 0) { if (Otherwin) - fault = new SpillNOther(4*Wstate<5:3>); + fault = std::make_shared<SpillNOther>(4*Wstate<5:3>); else - fault = new SpillNNormal(4*Wstate<2:0>); + fault = std::make_shared<SpillNNormal>(4*Wstate<2:0>); } else if (Cleanwin - Canrestore == 0) { - fault = new CleanWindow; + fault = std::make_shared<CleanWindow>(); } else { Cwp = (Cwp + 1) % NWindows; Rd_next = Rs1 + Rs2_or_imm13; @@ -1061,9 +1061,9 @@ decode OP default Unknown::unknown() 0x3D: restore({{ if (Canrestore == 0) { if (Otherwin) - fault = new FillNOther(4*Wstate<5:3>); + fault = std::make_shared<FillNOther>(4*Wstate<5:3>); else - fault = new FillNNormal(4*Wstate<2:0>); + fault = std::make_shared<FillNNormal>(4*Wstate<2:0>); } else { Cwp = (Cwp - 1 + NWindows) % NWindows; Rd_prev = Rs1 + Rs2_or_imm13; @@ -1251,7 +1251,7 @@ decode OP default Unknown::unknown() Fsr = Mem_udw;}}); default: FailUnimpl::ldfsrOther(); } - 0x22: ldqf({{fault = new FpDisabled;}}); + 0x22: ldqf({{fault = std::make_shared<FpDisabled>();}}); 0x23: Load::lddf({{Frd_udw = Mem_udw;}}); 0x24: Store::stf({{Mem_uw = Frds_uw;}}); 0x25: decode RD { @@ -1265,11 +1265,11 @@ decode OP default Unknown::unknown() Mem_udw = Fsr;}}); default: FailUnimpl::stfsrOther(); } - 0x26: stqf({{fault = new FpDisabled;}}); + 0x26: stqf({{fault = std::make_shared<FpDisabled>();}}); 0x27: Store::stdf({{Mem_udw = Frd_udw;}}); 0x2D: Nop::prefetch({{ }}); 0x30: LoadAlt::ldfa({{Frds_uw = Mem_uw;}}); - 0x32: ldqfa({{fault = new FpDisabled;}}); + 0x32: ldqfa({{fault = std::make_shared<FpDisabled>();}}); format LoadAlt { 0x33: decode EXT_ASI { // ASI_NUCLEUS @@ -1348,11 +1348,11 @@ decode OP default Unknown::unknown() 0xDB: FailUnimpl::ldshortf_16sl(); // Not an ASI which is legal with lddfa default: Trap::lddfa_bad_asi( - {{fault = new DataAccessException;}}); + {{fault = std::make_shared<DataAccessException>();}}); } } 0x34: Store::stfa({{Mem_uw = Frds_uw;}}); - 0x36: stqfa({{fault = new FpDisabled;}}); + 0x36: stqfa({{fault = std::make_shared<FpDisabled>();}}); format StoreAlt { 0x37: decode EXT_ASI { // ASI_NUCLEUS @@ -1431,7 +1431,7 @@ decode OP default Unknown::unknown() 0xDB: FailUnimpl::stshortf_16sl(); // Not an ASI which is legal with lddfa default: Trap::stdfa_bad_asi( - {{fault = new DataAccessException;}}); + {{fault = std::make_shared<DataAccessException>();}}); } } 0x3C: CasAlt::casa({{ |