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| author | Gabe Black <gblack@eecs.umich.edu> | 2007-07-31 17:34:08 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2007-07-31 17:34:08 -0700 |
| commit | 4bdabe1254a8ad9bb960f57eb35cec919b370de8 (patch) | |
| tree | 318b34065ed9eb3f30852fee11eb398a92134652 /src/arch | |
| parent | 55ade789d34e541cc538c7c5a4f286a313cfd8ba (diff) | |
| download | gem5-4bdabe1254a8ad9bb960f57eb35cec919b370de8.tar.xz | |
Add a flag to indicate an instruction triggers a syscall in SE mode.
--HG--
extra : convert_revision : 1d0b3afdd8254f5b2fb4bbff1fa4a0536f78bb06
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/alpha/isa/decoder.isa | 2 | ||||
| -rw-r--r-- | src/arch/mips/isa/decoder.isa | 3 | ||||
| -rw-r--r-- | src/arch/sparc/isa/decoder.isa | 4 | ||||
| -rw-r--r-- | src/arch/x86/isa/decoder/two_byte_opcodes.isa | 2 |
4 files changed, 6 insertions, 5 deletions
diff --git a/src/arch/alpha/isa/decoder.isa b/src/arch/alpha/isa/decoder.isa index af1a91a62..2177e8c4f 100644 --- a/src/arch/alpha/isa/decoder.isa +++ b/src/arch/alpha/isa/decoder.isa @@ -714,7 +714,7 @@ decode OPCODE default Unknown::unknown() { }}, IsNonSpeculative); 0x83: callsys({{ xc->syscall(R0); - }}, IsSerializeAfter, IsNonSpeculative); + }}, IsSerializeAfter, IsNonSpeculative, IsSyscall); // Read uniq reg into ABI return value register (r0) 0x9e: rduniq({{ R0 = Runiq; }}, IsIprAccess); // Write uniq reg with value from ABI arg register (r16) diff --git a/src/arch/mips/isa/decoder.isa b/src/arch/mips/isa/decoder.isa index e55d2e070..40ea223f6 100644 --- a/src/arch/mips/isa/decoder.isa +++ b/src/arch/mips/isa/decoder.isa @@ -134,7 +134,8 @@ decode OPCODE_HI default Unknown::unknown() { 0x2: movz({{ Rd = (Rt == 0) ? Rs : Rd; }}); 0x3: movn({{ Rd = (Rt != 0) ? Rs : Rd; }}); 0x4: syscall({{ xc->syscall(R2); }}, - IsSerializeAfter, IsNonSpeculative); + IsSerializeAfter, IsNonSpeculative, + IsSyscall); 0x7: sync({{ ; }}, IsMemBarrier); } diff --git a/src/arch/sparc/isa/decoder.isa b/src/arch/sparc/isa/decoder.isa index 68b2183ad..14c652606 100644 --- a/src/arch/sparc/isa/decoder.isa +++ b/src/arch/sparc/isa/decoder.isa @@ -1230,7 +1230,7 @@ decode OP default Unknown::unknown() DPRINTF(Sparc, "The trap number is %d\n", lTrapNum); fault = new TrapInstruction(lTrapNum); } - }}, IsSerializeAfter, IsNonSpeculative); + }}, IsSerializeAfter, IsNonSpeculative, IsSyscall); 0x2: Trap::tccx({{ if(passesCondition(Ccr<7:4>, COND2)) { @@ -1238,7 +1238,7 @@ decode OP default Unknown::unknown() DPRINTF(Sparc, "The trap number is %d\n", lTrapNum); fault = new TrapInstruction(lTrapNum); } - }}, IsSerializeAfter, IsNonSpeculative); + }}, IsSerializeAfter, IsNonSpeculative, IsSyscall); } 0x3B: Nop::flush({{/*Instruction memory flush*/}}, IsWriteBarrier, MemWriteOp); diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa index a8c4e7062..e8307c6e6 100644 --- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa +++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa @@ -70,7 +70,7 @@ #if FULL_SYSTEM 0x05: syscall(); #else - 0x05: SyscallInst::syscall('xc->syscall(rax)'); + 0x05: SyscallInst::syscall('xc->syscall(rax)', IsSyscall); #endif 0x06: clts(); //sandpile.org says (AMD) after sysret, so I might want to check |