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-rw-r--r--src/arch/x86/emulenv.cc12
-rw-r--r--src/arch/x86/isa/decoder/one_byte_opcodes.isa10
-rw-r--r--src/arch/x86/isa/decoder/two_byte_opcodes.isa234
-rw-r--r--src/arch/x86/isa/formats/formats.isa4
-rw-r--r--src/arch/x86/isa/formats/syscall.isa112
-rw-r--r--src/arch/x86/isa/insts/compare_and_test/compare.py12
-rw-r--r--src/arch/x86/isa/insts/compare_and_test/test.py4
-rw-r--r--src/arch/x86/isa/insts/control_transfer/jump.py48
-rw-r--r--src/arch/x86/isa/insts/data_transfer/move.py66
-rw-r--r--src/arch/x86/isa/microops/ldstop.isa22
-rw-r--r--src/arch/x86/isa/microops/regop.isa16
-rw-r--r--src/arch/x86/isa/operands.isa1
-rw-r--r--src/arch/x86/syscallreturn.hh5
13 files changed, 391 insertions, 155 deletions
diff --git a/src/arch/x86/emulenv.cc b/src/arch/x86/emulenv.cc
index e3f703cff..3a54d7365 100644
--- a/src/arch/x86/emulenv.cc
+++ b/src/arch/x86/emulenv.cc
@@ -66,8 +66,8 @@ void EmulEnv::doModRM(const ExtMachInst & machInst)
//Use the SIB byte for addressing if the modrm byte calls for it.
if (machInst.modRM.rm == 4 && machInst.addrSize != 2) {
scale = 1 << machInst.sib.scale;
- index = machInst.sib.index;
- base = machInst.sib.base;
+ index = machInst.sib.index | (machInst.rex.x << 3);
+ base = machInst.sib.base | (machInst.rex.b << 3);
//In this special case, we don't use a base. The displacement also
//changes, but that's managed by the predecoder.
if (machInst.sib.base == INTREG_RBP && machInst.modRM.mod == 0)
@@ -80,11 +80,13 @@ void EmulEnv::doModRM(const ExtMachInst & machInst)
warn("I'm not really using 16 bit MODRM like I'm supposed to!\n");
} else {
scale = 0;
- base = machInst.modRM.rm;
+ base = machInst.modRM.rm | (machInst.rex.b << 3);
if (machInst.modRM.mod == 0 && machInst.modRM.rm == 5) {
base = NUM_INTREGS;
- if (machInst.mode.submode == SixtyFourBitMode)
- base = NUM_INTREGS+7;
+ //Since we need to use a different encoding of this
+ //instruction anyway, just ignore the base in those cases
+// if (machInst.mode.submode == SixtyFourBitMode)
+// base = NUM_INTREGS+7;
}
}
}
diff --git a/src/arch/x86/isa/decoder/one_byte_opcodes.isa b/src/arch/x86/isa/decoder/one_byte_opcodes.isa
index 12bebd47b..ee6072454 100644
--- a/src/arch/x86/isa/decoder/one_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/one_byte_opcodes.isa
@@ -163,8 +163,8 @@
0x1: cmp_Ev_Gv();
0x2: cmp_Gb_Eb();
0x3: cmp_Gv_Ev();
- 0x4: cmp_Al_Ib();
- 0x5: cmp_rAX_Iz();
+ 0x4: Inst::CMP(rAl,Ib);
+ 0x5: Inst::CMP(rAX,Iz);
0x6: M5InternalError::error(
{{"Tried to execute the DS segment override prefix!"}});
0x7: decode MODE_SUBMODE {
@@ -262,10 +262,10 @@
0x0: jo_Jb();
0x1: jno_Jb();
0x2: jb_Jb();
- 0x3: jnb_Jb();
+ 0x3: Inst::JNB(Jb);
0x4: Inst::JZ(Jb);
0x5: Inst::JNZ(Jb);
- 0x6: jbe_Jb();
+ 0x6: Inst::JBE(Jb);
0x7: jnbe_Jb();
}
0x0F: decode OPCODE_OP_BOTTOM3 {
@@ -475,7 +475,7 @@
0x0: This_should_be_an_illegal_instruction();
default: jmp_Ap();
}
- 0x3: jmp_Jb();
+ 0x3: Inst::JMP(Jb);
0x4: in_Al_Dx();
0x5: in_eAX_Dx();
0x6: out_Dx_Al();
diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
index 7fc571205..e042893bb 100644
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
@@ -67,21 +67,25 @@
0x03: lsl_Gv_Ew();
//sandpile.org doesn't seem to know what this is... ?
0x04: loadall_or_reset_or_hang();
+#if FULL_SYSTEM
0x05: syscall();
+#else
+ 0x05: SyscallInst::syscall('xc->syscall(rax)');
+#endif
0x06: clts();
//sandpile.org says (AMD) after sysret, so I might want to check
//if that means amd64 or AMD machines
0x07: loadall_or_sysret();
}
0x01: decode OPCODE_OP_BOTTOM3 {
- 0x0: holderholder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: invd();
+ 0x1: wbinvd();
+ 0x2: This_should_be_an_illegal_instruction();
+ 0x3: UD1();
+ 0x4: This_should_be_an_illegal_instruction();
+ 0x5: threednow();
+ 0x6: threednow();
+ 0x7: threednow();
}
0x02: decode OPCODE_OP_BOTTOM3 {
0x0: holder();
@@ -94,14 +98,14 @@
0x7: holder();
}
0x03: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: group17();
+ 0x1: group17();
+ 0x2: group17();
+ 0x3: group17();
+ 0x4: group17();
+ 0x5: group17();
+ 0x6: group17();
+ 0x7: group17();
}
0x04: decode OPCODE_OP_BOTTOM3 {
0x0: holder();
@@ -124,44 +128,44 @@
0x7: holder();
}
0x06: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: wrmsr();
+ 0x1: rdtsc();
+ 0x2: rdmsr();
+ 0x3: rdpmc();
+ 0x4: sysenter();
+ 0x5: sysexit();
+ 0x6: This_should_be_an_illegal_instruction();
+ 0x7: getsec();
}
0x07: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: three_byte_opcode();
+ 0x1: three_byte_opcode();
+ 0x2: three_byte_opcode();
+ 0x3: three_byte_opcode();
+ 0x4: three_byte_opcode();
+ 0x5: three_byte_opcode();
+ 0x6: three_byte_opcode();
+ 0x7: three_byte_opcode();
}
0x08: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: cmovo_Gv_Ev();
+ 0x1: cmovno_Gv_Ev();
+ 0x2: cmovb_Gv_Ev();
+ 0x3: cmovnb_Gv_Ev();
+ 0x4: cmovz_Gv_Ev();
+ 0x5: cmovnz_Gv_Ev();
+ 0x6: cmovbe_Gv_Ev();
+ 0x7: cmovnbe_Gv_Ev();
}
0x09: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: cmovs_Gv_Ev();
+ 0x1: cmovns_Gv_Ev();
+ 0x2: cmovp_Gv_Ev();
+ 0x3: cmovnp_Gv_Ev();
+ 0x4: cmovl_Gv_Ev();
+ 0x5: cmovnl_Gv_Ev();
+ 0x6: cmovle_Gv_Ev();
+ 0x7: cmovnle_Gv_Ev();
}
0x0A: decode OPCODE_OP_BOTTOM3 {
0x0: holder();
@@ -227,81 +231,81 @@
0x0: jo_Jz();
0x1: jno_Jz();
0x2: jb_Jz();
- 0x3: jnb_Jz();
- 0x4: jz_Jz();
+ 0x3: Inst::JNB(Jz);
+ 0x4: Inst::JZ(Jz);
0x5: Inst::JNZ(Jz);
- 0x6: jbe_Jz();
+ 0x6: Inst::JBE(Jz);
0x7: jnbe_Jz();
}
0x11: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: js_Jz();
+ 0x1: jns_Jz();
+ 0x2: jp_Jz();
+ 0x3: jnp_Jz();
+ 0x4: jl_Jz();
+ 0x5: jnl_Jz();
+ 0x6: jle_Jz();
+ 0x7: jnle_Jz();
}
0x12: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: seto_Eb();
+ 0x1: setno_Eb();
+ 0x2: setb_Eb();
+ 0x3: setnb_Eb();
+ 0x4: setz_Eb();
+ 0x5: setnz_Eb();
+ 0x6: setbe_Eb();
+ 0x7: setnbe_Eb();
}
0x13: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: sets_Eb();
+ 0x1: setns_Eb();
+ 0x2: setp_Eb();
+ 0x3: setnp_Eb();
+ 0x4: setl_Eb();
+ 0x5: setnl_Eb();
+ 0x6: setle_Eb();
+ 0x7: setnle_Eb();
}
0x14: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: push_fs();
+ 0x1: pop_fs();
+ 0x2: cpuid();
+ 0x3: bt_Ev_Gv();
+ 0x4: shld_Ev_Gv_Ib();
+ 0x5: shld_Ev_Gv_rCl();
+ 0x6: xbts_and_cmpxchg();
+ 0x7: ibts_and_cmpxchg();
}
0x15: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: push_gs();
+ 0x1: pop_gs();
+ 0x2: rsm_smm();
+ 0x3: bts_Ev_Gv();
+ 0x4: shrd_Ev_Gv_Ib();
+ 0x5: shrd_Ev_Gv_rCl();
+ 0x6: group16();
+ 0x7: imul_Gv_Ev();
}
0x16: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: cmpxchg_Eb_Gb();
+ 0x1: cmpxchg_Ev_Gv();
+ 0x2: lss_Gz_Mp();
+ 0x3: btr_Ev_Gv();
+ 0x4: lfs_Gz_Mp();
+ 0x5: lgs_Gz_Mp();
+ 0x6: Inst::MOVZX_B(Gv,Eb);
+ 0x7: Inst::MOVZX_W(Gv,Ew);
}
0x17: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: jmpe_Jz(); // IA-64?
+ 0x1: group11_UD2();
+ 0x2: group8_Ev_Ib();
+ 0x3: btc_Ev_Gv();
+ 0x4: bsf_Gv_Ev();
+ 0x5: bsr_Gv_Ev();
+ 0x6: movsx_Gv_Eb();
+ 0x7: movsx_Gv_Ew();
}
0x18: decode OPCODE_OP_BOTTOM3 {
0x0: holder();
@@ -314,14 +318,14 @@
0x7: holder();
}
0x19: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: bswap_rAx();
+ 0x1: bswap_rCx();
+ 0x2: bswap_rDx();
+ 0x3: bswap_rBx();
+ 0x4: bswap_rSP();
+ 0x5: bswap_rBP();
+ 0x6: bswap_rSI();
+ 0x7: bswap_rDI();
}
0x1A: decode OPCODE_OP_BOTTOM3 {
0x0: holder();
diff --git a/src/arch/x86/isa/formats/formats.isa b/src/arch/x86/isa/formats/formats.isa
index d763c05bc..1e7bb4a74 100644
--- a/src/arch/x86/isa/formats/formats.isa
+++ b/src/arch/x86/isa/formats/formats.isa
@@ -98,3 +98,7 @@
//Include a format which implements a batch of instructions which do the same
//thing on a variety of inputs
##include "multi.isa"
+
+//Include a format which makes instructions who's sole purpose is to generate
+//a syscall.
+##include "syscall.isa"
diff --git a/src/arch/x86/isa/formats/syscall.isa b/src/arch/x86/isa/formats/syscall.isa
new file mode 100644
index 000000000..8b860dba4
--- /dev/null
+++ b/src/arch/x86/isa/formats/syscall.isa
@@ -0,0 +1,112 @@
+// -*- mode:c++ -*-
+
+// Copyright (c) 2007 The Hewlett-Packard Development Company
+// All rights reserved.
+//
+// Redistribution and use of this software in source and binary forms,
+// with or without modification, are permitted provided that the
+// following conditions are met:
+//
+// The software must be used only for Non-Commercial Use which means any
+// use which is NOT directed to receiving any direct monetary
+// compensation for, or commercial advantage from such use. Illustrative
+// examples of non-commercial use are academic research, personal study,
+// teaching, education and corporate research & development.
+// Illustrative examples of commercial use are distributing products for
+// commercial advantage and providing services using the software for
+// commercial advantage.
+//
+// If you wish to use this software or functionality therein that may be
+// covered by patents for commercial use, please contact:
+// Director of Intellectual Property Licensing
+// Office of Strategy and Technology
+// Hewlett-Packard Company
+// 1501 Page Mill Road
+// Palo Alto, California 94304
+//
+// 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 HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission. No right of
+// sublicense is granted herewith. Derivatives of the software and
+// output created using the software may be prepared, but only for
+// Non-Commercial Uses. Derivatives of the software may be shared with
+// others provided: (i) the others agree to abide by the list of
+// conditions herein which includes the Non-Commercial Use restrictions;
+// and (ii) such Derivatives of the software include the above copyright
+// notice to acknowledge the contribution from this software where
+// applicable, this list of conditions and the disclaimer below.
+//
+// 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: Gabe Black
+
+////////////////////////////////////////////////////////////////////
+//
+// "Format" which describes an instruction whose only purpose is to
+// call a syscall in SE mode.
+//
+
+output header {{
+ class SyscallInst : public X86ISA::X86StaticInst
+ {
+ public:
+ /// Constructor
+ SyscallInst(const char *_mnemonic, ExtMachInst _machInst,
+ OpClass __opClass) :
+ X86ISA::X86StaticInst(_mnemonic, _machInst, __opClass)
+ {
+ }
+
+ std::string generateDisassembly(Addr pc,
+ const SymbolTable *symtab) const;
+ };
+}};
+
+output decoder {{
+ std::string SyscallInst::generateDisassembly(Addr PC,
+ const SymbolTable *symtab) const
+ {
+ std::stringstream response;
+
+ printMnemonic(response, mnemonic);
+ ccprintf(response, " ");
+ printReg(response, _srcRegIdx[0], machInst.opSize);
+ return response.str();
+ }
+}};
+
+def template SyscallExecute {{
+ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
+ Trace::InstRecord *traceData) const
+ {
+ Fault fault = NoFault;
+ %(op_decl)s;
+ %(op_rd)s;
+ %(code)s;
+ return fault;
+ }
+}};
+
+def format SyscallInst(code, *opt_flags) {{
+ iop = InstObjParams(name, Name, 'SyscallInst', code, opt_flags)
+ header_output = BasicDeclare.subst(iop)
+ decoder_output = BasicConstructor.subst(iop)
+ decode_block = BasicDecode.subst(iop)
+ exec_output = SyscallExecute.subst(iop)
+}};
+
diff --git a/src/arch/x86/isa/insts/compare_and_test/compare.py b/src/arch/x86/isa/insts/compare_and_test/compare.py
index 12b5b859f..ba421a520 100644
--- a/src/arch/x86/isa/insts/compare_and_test/compare.py
+++ b/src/arch/x86/isa/insts/compare_and_test/compare.py
@@ -53,8 +53,10 @@
#
# Authors: Gabe Black
-microcode = ""
-#let {{
-# class CMP(Inst):
-# "GenFault ${new UnimpInstFault}"
-#}};
+microcode = '''
+def macroop CMP_R_I
+{
+ limm t1, imm
+ sub t0, reg, t1, flags=(OF, SF, ZF, AF, PF, CF)
+};
+'''
diff --git a/src/arch/x86/isa/insts/compare_and_test/test.py b/src/arch/x86/isa/insts/compare_and_test/test.py
index 1d2364f0f..8da33899a 100644
--- a/src/arch/x86/isa/insts/compare_and_test/test.py
+++ b/src/arch/x86/isa/insts/compare_and_test/test.py
@@ -63,7 +63,7 @@ def macroop TEST_M_R
def macroop TEST_P_R
{
rdip t7
- ld t1, ds, [scale, index, base], disp
+ ld t1, ds, [0, t0, t7], disp
and t0, t1, reg, flags=(SF, ZF, PF)
};
@@ -82,7 +82,7 @@ def macroop TEST_M_I
def macroop TEST_P_I
{
rdip t7
- ld t1, ds, [scale, index, base], disp
+ ld t1, ds, [0, t0, t7], disp
limm t2, imm
and t0, t1, t2, flags=(SF, ZF, PF)
};
diff --git a/src/arch/x86/isa/insts/control_transfer/jump.py b/src/arch/x86/isa/insts/control_transfer/jump.py
index 15f00e083..e01925f41 100644
--- a/src/arch/x86/isa/insts/control_transfer/jump.py
+++ b/src/arch/x86/isa/insts/control_transfer/jump.py
@@ -56,6 +56,9 @@
microcode = '''
def macroop JZ_I
{
+ # Make the defualt data size of jumps 64 bits in 64 bit mode
+ .adjust_env oszIn64Override
+
rdip t1
limm t2, imm
wrip t1, t2, flags=(CZF,)
@@ -63,8 +66,53 @@ def macroop JZ_I
def macroop JNZ_I
{
+ # Make the defualt data size of jumps 64 bits in 64 bit mode
+ .adjust_env oszIn64Override
+
rdip t1
limm t2, imm
wrip t1, t2, flags=(nCZF,)
};
+
+def macroop JNB_I
+{
+ # Make the default data size of jumps 64 bits in 64 bit mode
+ .adjust_env oszIn64Override
+
+ rdip t1
+ limm t2, imm
+ wrip t1, t2, flags=(nCCF,)
+};
+
+def macroop JBE_I
+{
+ # Make the default data size of jumps 64 bits in 64 bit mode
+ .adjust_env oszIn64Override
+
+ rdip t1
+ limm t2, imm
+ wrip t1, t2, flags=(CCvZF,)
+};
+
+def macroop JMP_I
+{
+ # Make the default data size of jumps 64 bits in 64 bit mode
+ .adjust_env oszIn64Override
+
+ rdip t1
+ limm t2, imm
+ wrip t1, t2
+};
+
+def macroop JMP_R
+{
+ wripi reg, 0
+};
+
+def macroop JMP_M
+{
+ ld t1, ds, [scale, index, base], disp
+ wripi t1, 0
+};
+
'''
diff --git a/src/arch/x86/isa/insts/data_transfer/move.py b/src/arch/x86/isa/insts/data_transfer/move.py
index c85dd7cc4..9856b5051 100644
--- a/src/arch/x86/isa/insts/data_transfer/move.py
+++ b/src/arch/x86/isa/insts/data_transfer/move.py
@@ -64,7 +64,7 @@ def macroop MOV_M_R {
def macroop MOV_P_R {
rdip t7
- st reg, ds, [scale, index, base], disp
+ st reg, ds, [0, t0, t7], disp
};
def macroop MOV_R_M {
@@ -73,7 +73,7 @@ def macroop MOV_R_M {
def macroop MOV_R_P {
rdip t7
- ld reg, ds, [scale, index, base], disp
+ ld reg, ds, [0, t0, t7], disp
};
def macroop MOV_R_I {
@@ -88,7 +88,7 @@ def macroop MOV_M_I {
def macroop MOV_P_I {
rdip t7
limm t1, imm
- st t1, ds, [scale, index, base], disp
+ st t1, ds, [0, t0, t7], disp
};
def macroop MOVSXD_R_R {
@@ -102,9 +102,67 @@ def macroop MOVSXD_R_M {
def macroop MOVSXD_R_P {
rdip t7
- ld t1, ds, [scale, index, base], disp
+ ld t1, ds, [0, t0, t7], disp
sext reg, t1, dsz
};
+
+def macroop MOVZX_B_R_R {
+ mov reg, reg, t0
+ mov reg, reg, regm, dataSize=1
+};
+
+def macroop MOVZX_B_R_M {
+ mov reg, reg, t0
+ ld reg, ds, [scale, index, base], disp, dataSize=1
+};
+
+def macroop MOVZX_B_R_P {
+ rdip t7
+ mov reg, reg, t0
+ ld reg, ds, [0, t0, t7], disp, dataSize=1
+};
+
+def macroop MOVZX_B_M_R {
+ mov t1, t1, t0
+ mov t1, t1, reg, dataSize=1
+ st t1, ds, [scale, index, base], disp
+};
+
+def macroop MOVZX_B_P_R {
+ rdip t7
+ mov t1, t1, t0
+ mov t1, t1, reg, dataSize=1
+ st t1, ds, [0, t0, t7], disp
+};
+
+def macroop MOVZX_W_R_R {
+ mov reg, reg, t0
+ mov reg, reg, regm, dataSize=2
+};
+
+def macroop MOVZX_W_R_M {
+ mov reg, reg, t0
+ ld reg, ds, [scale, index, base], disp, dataSize=2
+};
+
+def macroop MOVZX_W_R_P {
+ rdip t7
+ mov reg, reg, t0
+ ld reg, ds, [0, t0, t7], disp, dataSize=2
+};
+
+def macroop MOVZX_W_M_R {
+ mov t1, t1, t0
+ mov t1, t1, reg, dataSize=2
+ st t1, ds, [scale, index, base], disp
+};
+
+def macroop MOVZX_W_P_R {
+ rdip t7
+ mov t1, t1, t0
+ mov t1, t1, reg, dataSize=2
+ st t1, ds, [0, t0, t7], disp
+};
'''
#let {{
# class MOV(Inst):
diff --git a/src/arch/x86/isa/microops/ldstop.isa b/src/arch/x86/isa/microops/ldstop.isa
index 9ceaaac19..baa692f83 100644
--- a/src/arch/x86/isa/microops/ldstop.isa
+++ b/src/arch/x86/isa/microops/ldstop.isa
@@ -325,12 +325,12 @@ def template MicroLdStOpConstructor {{
let {{
class LdStOp(X86Microop):
- def __init__(self, data, segment, addr, disp):
+ def __init__(self, data, segment, addr, disp, dataSize):
self.data = data
[self.scale, self.index, self.base] = addr
self.disp = disp
self.segment = segment
- self.dataSize = "env.dataSize"
+ self.dataSize = dataSize
self.addressSize = "env.addressSize"
def getAllocator(self, *microFlags):
@@ -376,8 +376,10 @@ let {{
exec_output += MicroLoadCompleteAcc.subst(iop)
class LoadOp(LdStOp):
- def __init__(self, data, segment, addr, disp = 0):
- super(LoadOp, self).__init__(data, segment, addr, disp)
+ def __init__(self, data, segment, addr,
+ disp = 0, dataSize="env.dataSize"):
+ super(LoadOp, self).__init__(data, segment,
+ addr, disp, dataSize)
self.className = Name
self.mnemonic = name
@@ -403,8 +405,10 @@ let {{
exec_output += MicroStoreCompleteAcc.subst(iop)
class StoreOp(LdStOp):
- def __init__(self, data, segment, addr, disp = 0):
- super(StoreOp, self).__init__(data, segment, addr, disp)
+ def __init__(self, data, segment, addr,
+ disp = 0, dataSize="env.dataSize"):
+ super(StoreOp, self).__init__(data, segment,
+ addr, disp, dataSize)
self.className = Name
self.mnemonic = name
@@ -419,8 +423,10 @@ let {{
exec_output += MicroLeaExecute.subst(iop)
class LeaOp(LdStOp):
- def __init__(self, data, segment, addr, disp = 0):
- super(LeaOp, self).__init__(data, segment, addr, disp)
+ def __init__(self, data, segment, addr,
+ disp = 0, dataSize="env.dataSize"):
+ super(LeaOp, self).__init__(data, segment,
+ addr, disp, dataSize)
self.className = "Lea"
self.mnemonic = "lea"
diff --git a/src/arch/x86/isa/microops/regop.isa b/src/arch/x86/isa/microops/regop.isa
index 37cbaa8c6..f833f89be 100644
--- a/src/arch/x86/isa/microops/regop.isa
+++ b/src/arch/x86/isa/microops/regop.isa
@@ -126,12 +126,12 @@ def template MicroRegOpDeclare {{
const char * instMnem,
bool isMicro, bool isDelayed, bool isFirst, bool isLast,
RegIndex _src1, RegIndex _src2, RegIndex _dest,
- uint8_t _dataSize, uint8_t _ext);
+ uint8_t _dataSize, uint16_t _ext);
%(class_name)s(ExtMachInst _machInst,
const char * instMnem,
RegIndex _src1, RegIndex _src2, RegIndex _dest,
- uint8_t _dataSize, uint8_t _ext);
+ uint8_t _dataSize, uint16_t _ext);
%(BasicExecDeclare)s
};
@@ -149,12 +149,12 @@ def template MicroRegOpImmDeclare {{
const char * instMnem,
bool isMicro, bool isDelayed, bool isFirst, bool isLast,
RegIndex _src1, uint8_t _imm8, RegIndex _dest,
- uint8_t _dataSize, uint8_t _ext);
+ uint8_t _dataSize, uint16_t _ext);
%(class_name)sImm(ExtMachInst _machInst,
const char * instMnem,
RegIndex _src1, uint8_t _imm8, RegIndex _dest,
- uint8_t _dataSize, uint8_t _ext);
+ uint8_t _dataSize, uint16_t _ext);
%(BasicExecDeclare)s
};
@@ -170,7 +170,7 @@ def template MicroRegOpConstructor {{
inline %(class_name)s::%(class_name)s(
ExtMachInst machInst, const char * instMnem,
RegIndex _src1, RegIndex _src2, RegIndex _dest,
- uint8_t _dataSize, uint8_t _ext) :
+ uint8_t _dataSize, uint16_t _ext) :
%(base_class)s(machInst, "%(mnemonic)s", instMnem,
false, false, false, false,
_src1, _src2, _dest, _dataSize, _ext,
@@ -183,7 +183,7 @@ def template MicroRegOpConstructor {{
ExtMachInst machInst, const char * instMnem,
bool isMicro, bool isDelayed, bool isFirst, bool isLast,
RegIndex _src1, RegIndex _src2, RegIndex _dest,
- uint8_t _dataSize, uint8_t _ext) :
+ uint8_t _dataSize, uint16_t _ext) :
%(base_class)s(machInst, "%(mnemonic)s", instMnem,
isMicro, isDelayed, isFirst, isLast,
_src1, _src2, _dest, _dataSize, _ext,
@@ -203,7 +203,7 @@ def template MicroRegOpImmConstructor {{
inline %(class_name)sImm::%(class_name)sImm(
ExtMachInst machInst, const char * instMnem,
RegIndex _src1, uint8_t _imm8, RegIndex _dest,
- uint8_t _dataSize, uint8_t _ext) :
+ uint8_t _dataSize, uint16_t _ext) :
%(base_class)s(machInst, "%(mnemonic)s", instMnem,
false, false, false, false,
_src1, _imm8, _dest, _dataSize, _ext,
@@ -216,7 +216,7 @@ def template MicroRegOpImmConstructor {{
ExtMachInst machInst, const char * instMnem,
bool isMicro, bool isDelayed, bool isFirst, bool isLast,
RegIndex _src1, uint8_t _imm8, RegIndex _dest,
- uint8_t _dataSize, uint8_t _ext) :
+ uint8_t _dataSize, uint16_t _ext) :
%(base_class)s(machInst, "%(mnemonic)s", instMnem,
isMicro, isDelayed, isFirst, isLast,
_src1, _imm8, _dest, _dataSize, _ext,
diff --git a/src/arch/x86/isa/operands.isa b/src/arch/x86/isa/operands.isa
index 83df583ea..406c74a1f 100644
--- a/src/arch/x86/isa/operands.isa
+++ b/src/arch/x86/isa/operands.isa
@@ -102,6 +102,7 @@ def operands {{
'Base': ('IntReg', 'uqw', 'base', 'IsInteger', 4),
'Index': ('IntReg', 'uqw', 'index', 'IsInteger', 5),
'Data': ('IntReg', 'uqw', 'data', 'IsInteger', 6),
+ 'rax': ('IntReg', 'uqw', 'INTREG_RAX', 'IsInteger', 7),
'RIP': ('NPC', 'uqw', None, (None, None, 'IsControl'), 10),
'ccFlagBits': ('IntReg', 'uqw', 'NUM_INTREGS + NumMicroIntRegs', None, 20),
'Mem': ('Mem', 'uqw', None, ('IsMemRef', 'IsLoad', 'IsStore'), 100)
diff --git a/src/arch/x86/syscallreturn.hh b/src/arch/x86/syscallreturn.hh
index 9f0d20e2a..6a7fdba58 100644
--- a/src/arch/x86/syscallreturn.hh
+++ b/src/arch/x86/syscallreturn.hh
@@ -59,16 +59,15 @@
#define __ARCH_X86_SYSCALLRETURN_HH__
#include "base/misc.hh"
+#include "cpu/thread_context.hh"
#include "sim/syscallreturn.hh"
-class ThreadContext;
-
namespace X86ISA
{
static inline void setSyscallReturn(SyscallReturn return_value,
ThreadContext * tc)
{
- panic("setSyscallReturn not implemented!\n");
+ tc->setIntReg(INTREG_RAX, return_value.value());
}
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 00:41:12 +0000