diff options
Diffstat (limited to 'src/arch/arm')
| -rw-r--r-- | src/arch/arm/SConscript | 1 | ||||
| -rw-r--r-- | src/arch/arm/isa_traits.hh | 37 | ||||
| -rw-r--r-- | src/arch/arm/misc_regfile.hh | 8 | ||||
| -rw-r--r-- | src/arch/arm/regfile.cc | 58 | ||||
| -rw-r--r-- | src/arch/arm/regfile.hh | 102 | ||||
| -rw-r--r-- | src/arch/arm/registers.hh | 150 | ||||
| -rw-r--r-- | src/arch/arm/types.hh | 16 | ||||
| -rw-r--r-- | src/arch/arm/utility.hh | 12 |
8 files changed, 165 insertions, 219 deletions
diff --git a/src/arch/arm/SConscript b/src/arch/arm/SConscript index ea55314a4..7244252d8 100644 --- a/src/arch/arm/SConscript +++ b/src/arch/arm/SConscript @@ -41,7 +41,6 @@ if env['TARGET_ISA'] == 'arm': Source('insts/static_inst.cc') Source('isa.cc') Source('pagetable.cc') - Source('regfile.cc') Source('tlb.cc') Source('vtophys.cc') diff --git a/src/arch/arm/isa_traits.hh b/src/arch/arm/isa_traits.hh index d670d673d..542174b6b 100644 --- a/src/arch/arm/isa_traits.hh +++ b/src/arch/arm/isa_traits.hh @@ -33,7 +33,6 @@ #ifndef __ARCH_ARM_ISA_TRAITS_HH__ #define __ARCH_ARM_ISA_TRAITS_HH__ -#include "arch/arm/max_inst_regs.hh" #include "arch/arm/types.hh" #include "base/types.hh" @@ -46,8 +45,6 @@ class StaticInstPtr; namespace ArmISA { using namespace LittleEndianGuest; - using ArmISAInst::MaxInstSrcRegs; - using ArmISAInst::MaxInstDestRegs; StaticInstPtr decodeInst(ExtMachInst); @@ -98,36 +95,6 @@ namespace ArmISA // return a no-op instruction... used for instruction fetch faults const ExtMachInst NoopMachInst = 0x00000000; - // Constants Related to the number of registers - const int NumIntArchRegs = 16; - const int NumIntSpecialRegs = 19; - const int NumFloatArchRegs = 16; - const int NumFloatSpecialRegs = 5; - const int NumInternalProcRegs = 0; - - const int NumIntRegs = NumIntArchRegs + NumIntSpecialRegs; - const int NumFloatRegs = NumFloatArchRegs + NumFloatSpecialRegs; - - // semantically meaningful register indices - const int ReturnValueReg = 0; - const int ReturnValueReg1 = 1; - const int ReturnValueReg2 = 2; - const int ArgumentReg0 = 0; - const int ArgumentReg1 = 1; - const int ArgumentReg2 = 2; - const int ArgumentReg3 = 3; - const int FramePointerReg = 11; - const int StackPointerReg = 13; - const int ReturnAddressReg = 14; - const int PCReg = 15; - - const int ZeroReg = NumIntArchRegs; - const int AddrReg = ZeroReg + 1; // Used to generate address for uops - - const int SyscallNumReg = ReturnValueReg; - const int SyscallPseudoReturnReg = ReturnValueReg; - const int SyscallSuccessReg = ReturnValueReg; - const int LogVMPageSize = 12; // 4K bytes const int VMPageSize = (1 << LogVMPageSize); @@ -137,10 +104,6 @@ namespace ArmISA const int WordBytes = 4; const int HalfwordBytes = 2; const int ByteBytes = 1; - - // These help enumerate all the registers for dependence tracking. - const int FP_Base_DepTag = NumIntRegs; - const int Ctrl_Base_DepTag = FP_Base_DepTag + NumFloatRegs; }; using namespace ArmISA; diff --git a/src/arch/arm/misc_regfile.hh b/src/arch/arm/misc_regfile.hh index e89826956..6cafc524f 100644 --- a/src/arch/arm/misc_regfile.hh +++ b/src/arch/arm/misc_regfile.hh @@ -31,8 +31,7 @@ #ifndef __ARCH_ARM_REGFILE_MISC_REGFILE_HH__ #define __ARCH_ARM_REGFILE_MISC_REGFILE_HH__ -#include "arch/arm/isa_traits.hh" -#include "arch/arm/miscregs.hh" +#include "arch/arm/registers.hh" #include "arch/arm/types.hh" #include "sim/faults.hh" @@ -40,9 +39,8 @@ class ThreadContext; namespace ArmISA { - const int NumMiscRegs = NUM_MISCREGS; - - static inline std::string getMiscRegName(RegIndex) + static inline std::string + getMiscRegName(RegIndex) { return ""; } diff --git a/src/arch/arm/regfile.cc b/src/arch/arm/regfile.cc deleted file mode 100644 index 6bc694050..000000000 --- a/src/arch/arm/regfile.cc +++ /dev/null @@ -1,58 +0,0 @@ -/* - * Copyright (c) 2007-2008 The Florida State University - * 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: Stephen Hines - */ - -#include "arch/arm/regfile.hh" -#include "base/misc.hh" -#include "sim/serialize.hh" - -using namespace std; - -namespace ArmISA -{ - -void -copyRegs(ThreadContext *src, ThreadContext *dest) -{ - panic("Copy Regs Not Implemented Yet\n"); -} - -void -copyMiscRegs(ThreadContext *src, ThreadContext *dest) -{ - panic("Copy Misc. Regs Not Implemented Yet\n"); -} - -void -MiscRegFile::copyMiscRegs(ThreadContext *tc) -{ - panic("Copy Misc. Regs Not Implemented Yet\n"); -} - -} // namespace ArmISA diff --git a/src/arch/arm/regfile.hh b/src/arch/arm/regfile.hh deleted file mode 100644 index 694351b0f..000000000 --- a/src/arch/arm/regfile.hh +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Copyright (c) 2007-2008 The Florida State University - * 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: Stephen Hines - */ - -#ifndef __ARCH_ARM_REGFILE_REGFILE_HH__ -#define __ARCH_ARM_REGFILE_REGFILE_HH__ - -#include "arch/arm/types.hh" -#include "arch/arm/misc_regfile.hh" -#include "sim/faults.hh" - -class Checkpoint; -class EventManager; -class ThreadContext; - -namespace ArmISA -{ - enum FPControlRegNums { - FIR = NumFloatArchRegs, - FCCR, - FEXR, - FENR, - FCSR - }; - - enum FCSRBits { - Inexact = 1, - Underflow, - Overflow, - DivideByZero, - Invalid, - Unimplemented - }; - - enum FCSRFields { - Flag_Field = 1, - Enable_Field = 6, - Cause_Field = 11 - }; - - enum MiscIntRegNums { - zero_reg = NumIntArchRegs, - addr_reg, - - rhi, - rlo, - - r8_fiq, /* FIQ mode register bank */ - r9_fiq, - r10_fiq, - r11_fiq, - r12_fiq, - - r13_fiq, /* FIQ mode SP and LR */ - r14_fiq, - - r13_irq, /* IRQ mode SP and LR */ - r14_irq, - - r13_svc, /* SVC mode SP and LR */ - r14_svc, - - r13_undef, /* UNDEF mode SP and LR */ - r14_undef, - - r13_abt, /* ABT mode SP and LR */ - r14_abt - }; - - void copyRegs(ThreadContext *src, ThreadContext *dest); - - void copyMiscRegs(ThreadContext *src, ThreadContext *dest); - -} // namespace ArmISA - -#endif diff --git a/src/arch/arm/registers.hh b/src/arch/arm/registers.hh new file mode 100644 index 000000000..7f9b6b828 --- /dev/null +++ b/src/arch/arm/registers.hh @@ -0,0 +1,150 @@ +/* + * Copyright (c) 2007-2008 The Florida State University + * 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: Stephen Hines + */ + +#ifndef __ARCH_ARM_REGISTERS_HH__ +#define __ARCH_ARM_REGISTERS_HH__ + +#include "arch/arm/max_inst_regs.hh" +#include "arch/arm/miscregs.hh" + +namespace ArmISA { + +using ArmISAInst::MaxInstSrcRegs; +using ArmISAInst::MaxInstDestRegs; + +typedef uint8_t RegIndex; + +typedef uint64_t IntReg; + +// floating point register file entry type +typedef uint32_t FloatRegBits; +typedef float FloatReg; + +// cop-0/cop-1 system control register +typedef uint64_t MiscReg; + +// Constants Related to the number of registers +const int NumIntArchRegs = 16; +const int NumIntSpecialRegs = 19; +const int NumFloatArchRegs = 16; +const int NumFloatSpecialRegs = 5; +const int NumInternalProcRegs = 0; + +const int NumIntRegs = NumIntArchRegs + NumIntSpecialRegs; +const int NumFloatRegs = NumFloatArchRegs + NumFloatSpecialRegs; + +const int NumMiscRegs = NUM_MISCREGS; + + +// semantically meaningful register indices +const int ReturnValueReg = 0; +const int ReturnValueReg1 = 1; +const int ReturnValueReg2 = 2; +const int ArgumentReg0 = 0; +const int ArgumentReg1 = 1; +const int ArgumentReg2 = 2; +const int ArgumentReg3 = 3; +const int FramePointerReg = 11; +const int StackPointerReg = 13; +const int ReturnAddressReg = 14; +const int PCReg = 15; + +const int ZeroReg = NumIntArchRegs; +const int AddrReg = ZeroReg + 1; // Used to generate address for uops + +const int SyscallNumReg = ReturnValueReg; +const int SyscallPseudoReturnReg = ReturnValueReg; +const int SyscallSuccessReg = ReturnValueReg; + +// These help enumerate all the registers for dependence tracking. +const int FP_Base_DepTag = NumIntRegs; +const int Ctrl_Base_DepTag = FP_Base_DepTag + NumFloatRegs; + +typedef union { + IntReg intreg; + FloatReg fpreg; + MiscReg ctrlreg; +} AnyReg; + +enum FPControlRegNums { + FIR = NumFloatArchRegs, + FCCR, + FEXR, + FENR, + FCSR +}; + +enum FCSRBits { + Inexact = 1, + Underflow, + Overflow, + DivideByZero, + Invalid, + Unimplemented +}; + +enum FCSRFields { + Flag_Field = 1, + Enable_Field = 6, + Cause_Field = 11 +}; + +enum MiscIntRegNums { + zero_reg = NumIntArchRegs, + addr_reg, + + rhi, + rlo, + + r8_fiq, /* FIQ mode register bank */ + r9_fiq, + r10_fiq, + r11_fiq, + r12_fiq, + + r13_fiq, /* FIQ mode SP and LR */ + r14_fiq, + + r13_irq, /* IRQ mode SP and LR */ + r14_irq, + + r13_svc, /* SVC mode SP and LR */ + r14_svc, + + r13_undef, /* UNDEF mode SP and LR */ + r14_undef, + + r13_abt, /* ABT mode SP and LR */ + r14_abt +}; + +} // namespace ArmISA + +#endif diff --git a/src/arch/arm/types.hh b/src/arch/arm/types.hh index 82d1c332c..2c4e1291c 100644 --- a/src/arch/arm/types.hh +++ b/src/arch/arm/types.hh @@ -113,25 +113,9 @@ namespace ArmISA ROR }; - typedef uint8_t RegIndex; - - typedef uint64_t IntReg; typedef uint64_t LargestRead; // Need to use 64 bits to make sure that read requests get handled properly - // floating point register file entry type - typedef uint32_t FloatRegBits; - typedef float FloatReg; - - // cop-0/cop-1 system control register - typedef uint64_t MiscReg; - - typedef union { - IntReg intreg; - FloatReg fpreg; - MiscReg ctrlreg; - } AnyReg; - typedef int RegContextParam; typedef int RegContextVal; diff --git a/src/arch/arm/utility.hh b/src/arch/arm/utility.hh index 93f207ec7..a2f0ef170 100644 --- a/src/arch/arm/utility.hh +++ b/src/arch/arm/utility.hh @@ -113,6 +113,18 @@ namespace ArmISA { { return NoFault; } + + static inline void + copyRegs(ThreadContext *src, ThreadContext *dest) + { + panic("Copy Regs Not Implemented Yet\n"); + } + + static inline void + copyMiscRegs(ThreadContext *src, ThreadContext *dest) + { + panic("Copy Misc. Regs Not Implemented Yet\n"); + } }; |