diff options
Diffstat (limited to 'src/arch/sparc')
-rw-r--r-- | src/arch/sparc/SConscript | 9 | ||||
-rw-r--r-- | src/arch/sparc/faults.cc | 29 | ||||
-rw-r--r-- | src/arch/sparc/faults.hh | 7 | ||||
-rw-r--r-- | src/arch/sparc/isa/includes.isa | 2 | ||||
-rw-r--r-- | src/arch/sparc/isa/main.isa | 2 | ||||
-rw-r--r-- | src/arch/sparc/isa_traits.hh | 8 | ||||
-rw-r--r-- | src/arch/sparc/linux/linux.cc | 2 | ||||
-rw-r--r-- | src/arch/sparc/linux/linux.hh | 2 | ||||
-rw-r--r-- | src/arch/sparc/linux/process.cc | 26 | ||||
-rw-r--r-- | src/arch/sparc/linux/process.hh | 4 | ||||
-rw-r--r-- | src/arch/sparc/process.cc | 131 | ||||
-rw-r--r-- | src/arch/sparc/process.hh | 12 | ||||
-rw-r--r-- | src/arch/sparc/regfile.hh | 130 | ||||
-rw-r--r-- | src/arch/sparc/solaris/process.cc | 10 | ||||
-rw-r--r-- | src/arch/sparc/solaris/process.hh | 2 | ||||
-rw-r--r-- | src/arch/sparc/solaris/solaris.cc | 2 | ||||
-rw-r--r-- | src/arch/sparc/solaris/solaris.hh | 2 | ||||
-rw-r--r-- | src/arch/sparc/stacktrace.hh | 24 | ||||
-rw-r--r-- | src/arch/sparc/system.cc | 5 | ||||
-rw-r--r-- | src/arch/sparc/system.hh | 7 | ||||
-rw-r--r-- | src/arch/sparc/tlb.hh | 35 | ||||
-rw-r--r-- | src/arch/sparc/ua2005.cc | 224 | ||||
-rw-r--r-- | src/arch/sparc/utility.hh | 8 | ||||
-rw-r--r-- | src/arch/sparc/vtophys.cc | 166 | ||||
-rw-r--r-- | src/arch/sparc/vtophys.hh | 55 |
25 files changed, 685 insertions, 219 deletions
diff --git a/src/arch/sparc/SConscript b/src/arch/sparc/SConscript index 7362c9275..e7a8278db 100644 --- a/src/arch/sparc/SConscript +++ b/src/arch/sparc/SConscript @@ -25,6 +25,9 @@ # 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 +# Steve Reinhardt import os import sys @@ -47,12 +50,8 @@ base_sources = Split(''' # Full-system sources full_system_sources = Split(''' - tlb.cc - arguments.cc - ev5.cc - osfpal.cc - stacktrace.cc vtophys.cc + ua2005.cc ''') # Syscall emulation (non-full-system) sources diff --git a/src/arch/sparc/faults.cc b/src/arch/sparc/faults.cc index 67a89ab0e..57b4d4d86 100644 --- a/src/arch/sparc/faults.cc +++ b/src/arch/sparc/faults.cc @@ -24,10 +24,13 @@ * 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 + * Kevin Lim */ #include "arch/sparc/faults.hh" -#include "cpu/exec_context.hh" +#include "cpu/thread_context.hh" #include "cpu/base.hh" #include "base/trace.hh" @@ -217,36 +220,36 @@ FaultStat TrapInstruction::_count; #if FULL_SYSTEM -void SparcFault::invoke(ExecContext * xc) +void SparcFault::invoke(ThreadContext * tc) { - FaultBase::invoke(xc); + FaultBase::invoke(tc); countStat()++; //Use the SPARC trap state machine /*// exception restart address - if (setRestartAddress() || !xc->inPalMode()) - xc->setMiscReg(AlphaISA::IPR_EXC_ADDR, xc->regs.pc); + if (setRestartAddress() || !tc->inPalMode()) + tc->setMiscReg(AlphaISA::IPR_EXC_ADDR, tc->regs.pc); if (skipFaultingInstruction()) { // traps... skip faulting instruction. - xc->setMiscReg(AlphaISA::IPR_EXC_ADDR, - xc->readMiscReg(AlphaISA::IPR_EXC_ADDR) + 4); + tc->setMiscReg(AlphaISA::IPR_EXC_ADDR, + tc->readMiscReg(AlphaISA::IPR_EXC_ADDR) + 4); } - if (!xc->inPalMode()) - AlphaISA::swap_palshadow(&(xc->regs), true); + if (!tc->inPalMode()) + AlphaISA::swap_palshadow(&(tc->regs), true); - xc->regs.pc = xc->readMiscReg(AlphaISA::IPR_PAL_BASE) + vect(); - xc->regs.npc = xc->regs.pc + sizeof(MachInst);*/ + tc->regs.pc = tc->readMiscReg(AlphaISA::IPR_PAL_BASE) + vect(); + tc->regs.npc = tc->regs.pc + sizeof(MachInst);*/ } #endif #if !FULL_SYSTEM -void TrapInstruction::invoke(ExecContext * xc) +void TrapInstruction::invoke(ThreadContext * tc) { - xc->syscall(syscall_num); + tc->syscall(syscall_num); } #endif diff --git a/src/arch/sparc/faults.hh b/src/arch/sparc/faults.hh index e8fb8dfc5..9f595a28b 100644 --- a/src/arch/sparc/faults.hh +++ b/src/arch/sparc/faults.hh @@ -24,6 +24,9 @@ * 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 + * Kevin Lim */ #ifndef __ALPHA_FAULTS_HH__ @@ -43,7 +46,7 @@ class SparcFault : public FaultBase { public: #if FULL_SYSTEM - void invoke(ExecContext * xc); + void invoke(ThreadContext * tc); #endif virtual TrapType trapType() = 0; virtual FaultPriority priority() = 0; @@ -582,7 +585,7 @@ class TrapInstruction : public EnumeratedFault FaultPriority priority() {return _priority;} FaultStat & countStat() {return _count;} #if !FULL_SYSTEM - void invoke(ExecContext * xc); + void invoke(ThreadContext * tc); #endif }; diff --git a/src/arch/sparc/isa/includes.isa b/src/arch/sparc/isa/includes.isa index 762de243a..40afb3722 100644 --- a/src/arch/sparc/isa/includes.isa +++ b/src/arch/sparc/isa/includes.isa @@ -48,7 +48,7 @@ output header {{ output decoder {{ #include "base/cprintf.hh" #include "base/loader/symtab.hh" -#include "cpu/exec_context.hh" // for Jump::branchTarget() +#include "cpu/thread_context.hh" // for Jump::branchTarget() #include <math.h> #if defined(linux) diff --git a/src/arch/sparc/isa/main.isa b/src/arch/sparc/isa/main.isa index 79be0e2a3..14acf54fa 100644 --- a/src/arch/sparc/isa/main.isa +++ b/src/arch/sparc/isa/main.isa @@ -25,6 +25,8 @@ // 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 //////////////////////////////////////////////////////////////////// // diff --git a/src/arch/sparc/isa_traits.hh b/src/arch/sparc/isa_traits.hh index 2b4d89441..346f7b730 100644 --- a/src/arch/sparc/isa_traits.hh +++ b/src/arch/sparc/isa_traits.hh @@ -24,6 +24,9 @@ * 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 + * Gabe Black */ #ifndef __ARCH_SPARC_ISA_TRAITS_HH__ @@ -33,7 +36,7 @@ #include "config/full_system.hh" #include "sim/host.hh" -class ExecContext; +class ThreadContext; class FastCPU; //class FullCPU; class Checkpoint; @@ -80,6 +83,9 @@ class SyscallReturn #endif +#if FULL_SYSTEM +#include "arch/sparc/isa_fullsys_traits.hh" +#endif namespace SparcISA { diff --git a/src/arch/sparc/linux/linux.cc b/src/arch/sparc/linux/linux.cc index c7ed29358..ae6ffbc2a 100644 --- a/src/arch/sparc/linux/linux.cc +++ b/src/arch/sparc/linux/linux.cc @@ -24,6 +24,8 @@ * 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 */ #include "arch/sparc/linux/linux.hh" diff --git a/src/arch/sparc/linux/linux.hh b/src/arch/sparc/linux/linux.hh index 9cde5bb9c..926c2cb77 100644 --- a/src/arch/sparc/linux/linux.hh +++ b/src/arch/sparc/linux/linux.hh @@ -24,6 +24,8 @@ * 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 */ #ifndef __ARCH_SPARC_LINUX_LINUX_HH__ diff --git a/src/arch/sparc/linux/process.cc b/src/arch/sparc/linux/process.cc index 71be6a83a..e27255e67 100644 --- a/src/arch/sparc/linux/process.cc +++ b/src/arch/sparc/linux/process.cc @@ -24,6 +24,10 @@ * 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: Steve Reinhardt + * Gabe Black + * Ali Saidi */ #include "arch/sparc/isa_traits.hh" @@ -31,7 +35,7 @@ #include "arch/sparc/regfile.hh" #include "base/trace.hh" -#include "cpu/exec_context.hh" +#include "cpu/thread_context.hh" #include "kern/linux/linux.hh" #include "sim/process.hh" @@ -44,9 +48,9 @@ using namespace SparcISA; /// Target uname() handler. static SyscallReturn unameFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { - TypedBufferArg<Linux::utsname> name(xc->getSyscallArg(0)); + TypedBufferArg<Linux::utsname> name(tc->getSyscallArg(0)); strcpy(name->sysname, "Linux"); strcpy(name->nodename, "m5.eecs.umich.edu"); @@ -54,40 +58,40 @@ unameFunc(SyscallDesc *desc, int callnum, Process *process, strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003"); strcpy(name->machine, "sparc"); - name.copyOut(xc->getMemPort()); + name.copyOut(tc->getMemPort()); return 0; } SyscallReturn SparcISA::getresuidFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc) + Process *p, ThreadContext *tc) { const IntReg id = htog(100); - Addr ruid = xc->getSyscallArg(0); - Addr euid = xc->getSyscallArg(1); - Addr suid = xc->getSyscallArg(2); + Addr ruid = tc->getSyscallArg(0); + Addr euid = tc->getSyscallArg(1); + Addr suid = tc->getSyscallArg(2); //Handle the EFAULT case //Set the ruid if(ruid) { BufferArg ruidBuff(ruid, sizeof(IntReg)); memcpy(ruidBuff.bufferPtr(), &id, sizeof(IntReg)); - ruidBuff.copyOut(xc->getMemPort()); + ruidBuff.copyOut(tc->getMemPort()); } //Set the euid if(euid) { BufferArg euidBuff(euid, sizeof(IntReg)); memcpy(euidBuff.bufferPtr(), &id, sizeof(IntReg)); - euidBuff.copyOut(xc->getMemPort()); + euidBuff.copyOut(tc->getMemPort()); } //Set the suid if(suid) { BufferArg suidBuff(suid, sizeof(IntReg)); memcpy(suidBuff.bufferPtr(), &id, sizeof(IntReg)); - suidBuff.copyOut(xc->getMemPort()); + suidBuff.copyOut(tc->getMemPort()); } return 0; } diff --git a/src/arch/sparc/linux/process.hh b/src/arch/sparc/linux/process.hh index 23ce66d02..f4819ba84 100644 --- a/src/arch/sparc/linux/process.hh +++ b/src/arch/sparc/linux/process.hh @@ -24,6 +24,8 @@ * 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: Steve Reinhardt */ #ifndef __SPARC_LINUX_PROCESS_HH__ @@ -59,7 +61,7 @@ class SparcLinuxProcess : public SparcLiveProcess }; SyscallReturn getresuidFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); } // namespace SparcISA #endif // __ALPHA_LINUX_PROCESS_HH__ diff --git a/src/arch/sparc/process.cc b/src/arch/sparc/process.cc index fe6692cc3..75f01e038 100644 --- a/src/arch/sparc/process.cc +++ b/src/arch/sparc/process.cc @@ -24,60 +24,23 @@ * 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 + * Ali Saidi */ #include "arch/sparc/isa_traits.hh" #include "arch/sparc/process.hh" -#include "arch/sparc/linux/process.hh" -#include "arch/sparc/solaris/process.hh" #include "base/loader/object_file.hh" #include "base/misc.hh" -#include "cpu/exec_context.hh" +#include "cpu/thread_context.hh" #include "mem/page_table.hh" #include "mem/translating_port.hh" -#include "sim/builder.hh" #include "sim/system.hh" using namespace std; using namespace SparcISA; -SparcLiveProcess * -SparcLiveProcess::create(const std::string &nm, System *system, int stdin_fd, - int stdout_fd, int stderr_fd, std::string executable, - std::vector<std::string> &argv, std::vector<std::string> &envp) -{ - SparcLiveProcess *process = NULL; - - ObjectFile *objFile = createObjectFile(executable); - if (objFile == NULL) { - fatal("Can't load object file %s", executable); - } - - - if (objFile->getArch() != ObjectFile::SPARC) - fatal("Object file with arch %x does not match architecture %x.", - objFile->getArch(), ObjectFile::SPARC); - switch (objFile->getOpSys()) { - case ObjectFile::Linux: - process = new SparcLinuxProcess(nm, objFile, system, - stdin_fd, stdout_fd, stderr_fd, - argv, envp); - break; - - - case ObjectFile::Solaris: - process = new SparcSolarisProcess(nm, objFile, system, - stdin_fd, stdout_fd, stderr_fd, - argv, envp); - break; - default: - fatal("Unknown/unsupported operating system."); - } - - if (process == NULL) - fatal("Unknown error creating process object."); - return process; -} SparcLiveProcess::SparcLiveProcess(const std::string &nm, ObjectFile *objFile, System *_system, int stdin_fd, int stdout_fd, int stderr_fd, @@ -110,27 +73,27 @@ SparcLiveProcess::startup() //From the SPARC ABI //The process runs in user mode - execContexts[0]->setMiscRegWithEffect(MISCREG_PSTATE, 0x02); + threadContexts[0]->setMiscRegWithEffect(MISCREG_PSTATE, 0x02); //Setup default FP state - execContexts[0]->setMiscReg(MISCREG_FSR, 0); + threadContexts[0]->setMiscReg(MISCREG_FSR, 0); - execContexts[0]->setMiscReg(MISCREG_TICK, 0); + threadContexts[0]->setMiscReg(MISCREG_TICK, 0); // /* * Register window management registers */ //No windows contain info from other programs - execContexts[0]->setMiscRegWithEffect(MISCREG_OTHERWIN, 0); + threadContexts[0]->setMiscRegWithEffect(MISCREG_OTHERWIN, 0); //There are no windows to pop - execContexts[0]->setMiscRegWithEffect(MISCREG_CANRESTORE, 0); + threadContexts[0]->setMiscRegWithEffect(MISCREG_CANRESTORE, 0); //All windows are available to save into - execContexts[0]->setMiscRegWithEffect(MISCREG_CANSAVE, NWindows - 2); + threadContexts[0]->setMiscRegWithEffect(MISCREG_CANSAVE, NWindows - 2); //All windows are "clean" - execContexts[0]->setMiscRegWithEffect(MISCREG_CLEANWIN, NWindows); + threadContexts[0]->setMiscRegWithEffect(MISCREG_CLEANWIN, NWindows); //Start with register window 0 - execContexts[0]->setMiscRegWithEffect(MISCREG_CWP, 0); + threadContexts[0]->setMiscRegWithEffect(MISCREG_CWP, 0); } m5_auxv_t buildAuxVect(int64_t type, int64_t val) @@ -308,72 +271,14 @@ SparcLiveProcess::argsInit(int intSize, int pageSize) initVirtMem->writeBlob(argc_base, (uint8_t*)&guestArgc, intSize); - execContexts[0]->setIntReg(ArgumentReg0, argc); - execContexts[0]->setIntReg(ArgumentReg1, argv_array_base); - execContexts[0]->setIntReg(StackPointerReg, stack_min - StackBias); + threadContexts[0]->setIntReg(ArgumentReg0, argc); + threadContexts[0]->setIntReg(ArgumentReg1, argv_array_base); + threadContexts[0]->setIntReg(StackPointerReg, stack_min - StackBias); Addr prog_entry = objFile->entryPoint(); - execContexts[0]->setPC(prog_entry); - execContexts[0]->setNextPC(prog_entry + sizeof(MachInst)); - execContexts[0]->setNextNPC(prog_entry + (2 * sizeof(MachInst))); + threadContexts[0]->setPC(prog_entry); + threadContexts[0]->setNextPC(prog_entry + sizeof(MachInst)); + threadContexts[0]->setNextNPC(prog_entry + (2 * sizeof(MachInst))); // num_processes++; } - - -BEGIN_DECLARE_SIM_OBJECT_PARAMS(SparcLiveProcess) - - VectorParam<string> cmd; - Param<string> executable; - Param<string> input; - Param<string> output; - VectorParam<string> env; - SimObjectParam<System *> system; - -END_DECLARE_SIM_OBJECT_PARAMS(SparcLiveProcess) - - -BEGIN_INIT_SIM_OBJECT_PARAMS(SparcLiveProcess) - - INIT_PARAM(cmd, "command line (executable plus arguments)"), - INIT_PARAM(executable, "executable (overrides cmd[0] if set)"), - INIT_PARAM(input, "filename for stdin (dflt: use sim stdin)"), - INIT_PARAM(output, "filename for stdout/stderr (dflt: use sim stdout)"), - INIT_PARAM(env, "environment settings"), - INIT_PARAM(system, "system") - -END_INIT_SIM_OBJECT_PARAMS(SparcLiveProcess) - - -CREATE_SIM_OBJECT(SparcLiveProcess) -{ - string in = input; - string out = output; - - // initialize file descriptors to default: same as simulator - int stdin_fd, stdout_fd, stderr_fd; - - if (in == "stdin" || in == "cin") - stdin_fd = STDIN_FILENO; - else - stdin_fd = Process::openInputFile(input); - - if (out == "stdout" || out == "cout") - stdout_fd = STDOUT_FILENO; - else if (out == "stderr" || out == "cerr") - stdout_fd = STDERR_FILENO; - else - stdout_fd = Process::openOutputFile(out); - - stderr_fd = (stdout_fd != STDOUT_FILENO) ? stdout_fd : STDERR_FILENO; - - return SparcLiveProcess::create(getInstanceName(), system, - stdin_fd, stdout_fd, stderr_fd, - (string)executable == "" ? cmd[0] : executable, - cmd, env); -} - - -REGISTER_SIM_OBJECT("SparcLiveProcess", SparcLiveProcess) - - diff --git a/src/arch/sparc/process.hh b/src/arch/sparc/process.hh index c177f20a5..7ba8d7109 100644 --- a/src/arch/sparc/process.hh +++ b/src/arch/sparc/process.hh @@ -24,6 +24,9 @@ * 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 + * Ali Saidi */ #ifndef __SPARC_PROCESS_HH__ @@ -62,15 +65,6 @@ class SparcLiveProcess : public LiveProcess void startup(); public: - // this function is used to create the LiveProcess object, since - // we can't tell which subclass of LiveProcess to use until we - // open and look at the object file. - static SparcLiveProcess *create(const std::string &nm, - System *_system, - int stdin_fd, int stdout_fd, int stderr_fd, - std::string executable, - std::vector<std::string> &argv, - std::vector<std::string> &envp); void argsInit(int intSize, int pageSize); diff --git a/src/arch/sparc/regfile.hh b/src/arch/sparc/regfile.hh index 4e5494730..e5192d684 100644 --- a/src/arch/sparc/regfile.hh +++ b/src/arch/sparc/regfile.hh @@ -24,15 +24,19 @@ * 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 + * Ali Saidi */ #ifndef __ARCH_SPARC_REGFILE_HH__ #define __ARCH_SPARC_REGFILE_HH__ +#include "arch/sparc/exceptions.hh" #include "arch/sparc/faults.hh" #include "base/trace.hh" #include "sim/byteswap.hh" -#include "sim/eventq.hh" +#include "cpu/cpuevent.hh" #include "sim/host.hh" class Checkpoint; @@ -56,6 +60,7 @@ namespace SparcISA const int HprStart = 64; const int MiscStart = 96; + const uint64_t Bit64 = (1ULL << 63); class IntRegFile { protected: @@ -237,17 +242,22 @@ namespace SparcISA //In each of these cases, we have to copy the value into a temporary //variable. This is because we may otherwise try to access an //unaligned portion of memory. + + uint32_t result32; + uint64_t result64; switch(width) { case SingleWidth: - uint32_t result32 = gtoh((uint32_t)val); + result32 = gtoh((uint32_t)val); memcpy(regSpace + 4 * floatReg, &result32, width); + break; case DoubleWidth: - uint64_t result64 = gtoh((uint64_t)val); + result64 = gtoh((uint64_t)val); memcpy(regSpace + 4 * floatReg, &result64, width); + break; case QuadWidth: - uint64_t result128 = gtoh((uint64_t)val); - memcpy(regSpace + 4 * floatReg, &result128, width); + panic("Quad width FP not implemented."); + break; default: panic("Attempted to read a %d bit floating point register!", width); } @@ -259,17 +269,21 @@ namespace SparcISA //In each of these cases, we have to copy the value into a temporary //variable. This is because we may otherwise try to access an //unaligned portion of memory. + uint32_t result32; + uint64_t result64; switch(width) { case SingleWidth: - uint32_t result32 = gtoh((uint32_t)val); + result32 = gtoh((uint32_t)val); memcpy(regSpace + 4 * floatReg, &result32, width); + break; case DoubleWidth: - uint64_t result64 = gtoh((uint64_t)val); + result64 = gtoh((uint64_t)val); memcpy(regSpace + 4 * floatReg, &result64, width); + break; case QuadWidth: - uint64_t result128 = gtoh((uint64_t)val); - memcpy(regSpace + 4 * floatReg, &result128, width); + panic("Quad width FP not implemented."); + break; default: panic("Attempted to read a %d bit floating point register!", width); } @@ -402,7 +416,7 @@ namespace SparcISA union { uint64_t stick; // Hardware clock-tick counter struct { - int64_t counter:63; // Clock-tick count + int64_t :63; // Not used, storage in SparcSystem uint64_t npt:1; // Non-priveleged trap } stickFields; }; @@ -552,22 +566,31 @@ namespace SparcISA // These need to check the int_dis field and if 0 then // set appropriate bit in softint and checkinterrutps on the cpu - void processTickCompare() { panic("tick compare not implemented\n"); } - void processSTickCompare(){ panic("tick compare not implemented\n"); } - void processHSTickCompare(){ panic("tick compare not implemented\n"); } +#if FULL_SYSTEM + /** Process a tick compare event and generate an interrupt on the cpu if + * appropriate. */ + void processTickCompare(ThreadContext *tc); + void processSTickCompare(ThreadContext *tc); + void processHSTickCompare(ThreadContext *tc); - typedef EventWrapper<MiscRegFile, + typedef CpuEventWrapper<MiscRegFile, &MiscRegFile::processTickCompare> TickCompareEvent; - TickCompareEvent tickCompare; + TickCompareEvent *tickCompare; - typedef EventWrapper<MiscRegFile, + typedef CpuEventWrapper<MiscRegFile, &MiscRegFile::processSTickCompare> STickCompareEvent; - STickCompareEvent sTickCompare; + STickCompareEvent *sTickCompare; - typedef EventWrapper<MiscRegFile, + typedef CpuEventWrapper<MiscRegFile, &MiscRegFile::processHSTickCompare> HSTickCompareEvent; - HSTickCompareEvent hSTickCompare; + HSTickCompareEvent *hSTickCompare; + /** Fullsystem only register version of ReadRegWithEffect() */ + MiscReg readFSRegWithEffect(int miscReg, Fault &fault, ThreadContext *tc); + /** Fullsystem only register version of SetRegWithEffect() */ + Fault setFSRegWithEffect(int miscReg, const MiscReg &val, + ThreadContext * tc); +#endif public: void reset() @@ -580,25 +603,29 @@ namespace SparcISA //Bits that aren't set aren't defined on startup. tl = MaxTL; gl = MaxGL; - tt[tl] = PowerOnReset.trapType(); - pstateFields.mm = 0; //Total Store Order - pstateFields.red = 1; //Enter RED_State - pstateFields.am = 0; //Address Masking is turned off - pstateFields.priv = 1; //Processor enters privileged mode - pstateFields.ie = 0; //Interrupts are disabled - pstateFields.ag = 1; //Globals are replaced with alternate globals - pstateFields.tle = 0; //Big Endian mode for traps - pstateFields.cle = 0; //Big Endian mode for non-traps + tickFields.counter = 0; //The TICK register is unreadable bya tickFields.npt = 1; //The TICK register is unreadable by by !priv - tick_cmpr.int_dis = 1; // disable timer compare interrupts - stickFields.counter = 0; //The TICK register is unreadable by + + softint = 0; // Clear all the soft interrupt bits + tick_cmprFields.int_dis = 1; // disable timer compare interrupts + tick_cmprFields.tick_cmpr = 0; // Reset to 0 for pretty printing stickFields.npt = 1; //The TICK register is unreadable by by !priv - hpstateFields.id = 1; - hpstateFields.ibe = 0; + stick_cmprFields.int_dis = 1; // disable timer compare interrupts + stick_cmprFields.tick_cmpr = 0; // Reset to 0 for pretty printing + + + tt[tl] = power_on_reset; + pstate = 0; // fields 0 but pef + pstateFields.pef = 1; + + hpstate = 0; hpstateFields.red = 1; hpstateFields.hpriv = 1; hpstateFields.tlz = 0; // this is a guess + hintp = 0; // no interrupts pending + hstick_cmprFields.int_dis = 1; // disable timer compare interrupts + hstick_cmprFields.tick_cmpr = 0; // Reset to 0 for pretty printing #else /* //This sets up the initial state of the processor for usermode processes pstateFields.priv = 0; //Process runs in user mode @@ -619,25 +646,42 @@ namespace SparcISA } MiscRegFile() - : tickCompare(this), sTickCompare(this), hSTickCompare(this) { reset(); } + /** read a value out of an either an SE or FS IPR. No checking is done + * about SE vs. FS as this is mostly used to copy the regfile. Thus more + * register are copied that are necessary for FS. However this prevents + * a bunch of ifdefs and is rarely called so is not performance + * criticial. */ MiscReg readReg(int miscReg); - MiscReg readRegWithEffect(int miscReg, Fault &fault, ExecContext *xc); - + /** Read a value from an IPR. Only the SE iprs are here and the rest + * are are readFSRegWithEffect (which is called by readRegWithEffect()). + * Checking is done for permission based on state bits in the miscreg + * file. */ + MiscReg readRegWithEffect(int miscReg, Fault &fault, ThreadContext *tc); + + /** write a value into an either an SE or FS IPR. No checking is done + * about SE vs. FS as this is mostly used to copy the regfile. Thus more + * register are copied that are necessary for FS. However this prevents + * a bunch of ifdefs and is rarely called so is not performance + * criticial.*/ Fault setReg(int miscReg, const MiscReg &val); + /** Write a value into an IPR. Only the SE iprs are here and the rest + * are are setFSRegWithEffect (which is called by setRegWithEffect()). + * Checking is done for permission based on state bits in the miscreg + * file. */ Fault setRegWithEffect(int miscReg, - const MiscReg &val, ExecContext * xc); + const MiscReg &val, ThreadContext * tc); void serialize(std::ostream & os); void unserialize(Checkpoint * cp, const std::string & section); - void copyMiscRegs(ExecContext * xc); + void copyMiscRegs(ThreadContext * tc); protected: @@ -715,9 +759,9 @@ namespace SparcISA } MiscReg readMiscRegWithEffect(int miscReg, - Fault &fault, ExecContext *xc) + Fault &fault, ThreadContext *tc) { - return miscRegFile.readRegWithEffect(miscReg, fault, xc); + return miscRegFile.readRegWithEffect(miscReg, fault, tc); } Fault setMiscReg(int miscReg, const MiscReg &val) @@ -726,9 +770,9 @@ namespace SparcISA } Fault setMiscRegWithEffect(int miscReg, const MiscReg &val, - ExecContext * xc) + ThreadContext * tc) { - return miscRegFile.setRegWithEffect(miscReg, val, xc); + return miscRegFile.setRegWithEffect(miscReg, val, tc); } FloatReg readFloatReg(int floatReg, int width) @@ -815,9 +859,9 @@ namespace SparcISA } }; - void copyRegs(ExecContext *src, ExecContext *dest); + void copyRegs(ThreadContext *src, ThreadContext *dest); - void copyMiscRegs(ExecContext *src, ExecContext *dest); + void copyMiscRegs(ThreadContext *src, ThreadContext *dest); int InterruptLevel(uint64_t softint); diff --git a/src/arch/sparc/solaris/process.cc b/src/arch/sparc/solaris/process.cc index 95cdb0bd5..af0550910 100644 --- a/src/arch/sparc/solaris/process.cc +++ b/src/arch/sparc/solaris/process.cc @@ -24,6 +24,8 @@ * 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: Ali Saidi */ #include "arch/sparc/isa_traits.hh" @@ -31,7 +33,7 @@ #include "arch/sparc/regfile.hh" #include "base/trace.hh" -#include "cpu/exec_context.hh" +#include "cpu/thread_context.hh" #include "kern/solaris/solaris.hh" #include "sim/process.hh" @@ -44,9 +46,9 @@ using namespace SparcISA; /// Target uname() handler. static SyscallReturn unameFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { - TypedBufferArg<Solaris::utsname> name(xc->getSyscallArg(0)); + TypedBufferArg<Solaris::utsname> name(tc->getSyscallArg(0)); strcpy(name->sysname, "SunOS"); strcpy(name->nodename, "m5.eecs.umich.edu"); @@ -54,7 +56,7 @@ unameFunc(SyscallDesc *desc, int callnum, Process *process, strcpy(name->version, "Generic_118558-21"); strcpy(name->machine, "sun4u"); - name.copyOut(xc->getMemPort()); + name.copyOut(tc->getMemPort()); return 0; } diff --git a/src/arch/sparc/solaris/process.hh b/src/arch/sparc/solaris/process.hh index 24dffdaf0..3c0d7eba7 100644 --- a/src/arch/sparc/solaris/process.hh +++ b/src/arch/sparc/solaris/process.hh @@ -24,6 +24,8 @@ * 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: Ali Saidi */ #ifndef __SPARC_SOLARIS_PROCESS_HH__ diff --git a/src/arch/sparc/solaris/solaris.cc b/src/arch/sparc/solaris/solaris.cc index a56f10740..c588925b0 100644 --- a/src/arch/sparc/solaris/solaris.cc +++ b/src/arch/sparc/solaris/solaris.cc @@ -24,6 +24,8 @@ * 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: Ali Saidi */ #include "arch/sparc/solaris/solaris.hh" diff --git a/src/arch/sparc/solaris/solaris.hh b/src/arch/sparc/solaris/solaris.hh index 6833a2d6a..0564faba4 100644 --- a/src/arch/sparc/solaris/solaris.hh +++ b/src/arch/sparc/solaris/solaris.hh @@ -24,6 +24,8 @@ * 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: Ali Saidi */ #ifndef __ARCH_SPARC_SOLARIS_SOLARIS_HH__ diff --git a/src/arch/sparc/stacktrace.hh b/src/arch/sparc/stacktrace.hh index 1d8d97a79..d12aee211 100644 --- a/src/arch/sparc/stacktrace.hh +++ b/src/arch/sparc/stacktrace.hh @@ -24,6 +24,8 @@ * 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: Nathan Binkert */ #ifndef __ARCH_ALPHA_STACKTRACE_HH__ @@ -32,13 +34,13 @@ #include "base/trace.hh" #include "cpu/static_inst.hh" -class ExecContext; +class ThreadContext; class StackTrace; class ProcessInfo { private: - ExecContext *xc; + ThreadContext *tc; int thread_info_size; int task_struct_size; @@ -47,7 +49,7 @@ class ProcessInfo int name_off; public: - ProcessInfo(ExecContext *_xc); + ProcessInfo(ThreadContext *_tc); Addr task(Addr ksp) const; int pid(Addr ksp) const; @@ -59,7 +61,7 @@ class StackTrace protected: typedef TheISA::MachInst MachInst; private: - ExecContext *xc; + ThreadContext *tc; std::vector<Addr> stack; private: @@ -68,21 +70,21 @@ class StackTrace bool decodeSave(MachInst inst, int ®, int &disp); bool decodeStack(MachInst inst, int &disp); - void trace(ExecContext *xc, bool is_call); + void trace(ThreadContext *tc, bool is_call); public: StackTrace(); - StackTrace(ExecContext *xc, StaticInstPtr inst); + StackTrace(ThreadContext *tc, StaticInstPtr inst); ~StackTrace(); void clear() { - xc = 0; + tc = 0; stack.clear(); } - bool valid() const { return xc != NULL; } - bool trace(ExecContext *xc, StaticInstPtr inst); + bool valid() const { return tc != NULL; } + bool trace(ThreadContext *tc, StaticInstPtr inst); public: const std::vector<Addr> &getstack() const { return stack; } @@ -104,7 +106,7 @@ class StackTrace }; inline bool -StackTrace::trace(ExecContext *xc, StaticInstPtr inst) +StackTrace::trace(ThreadContext *tc, StaticInstPtr inst) { if (!inst->isCall() && !inst->isReturn()) return false; @@ -112,7 +114,7 @@ StackTrace::trace(ExecContext *xc, StaticInstPtr inst) if (valid()) clear(); - trace(xc, !inst->isReturn()); + trace(tc, !inst->isReturn()); return true; } diff --git a/src/arch/sparc/system.cc b/src/arch/sparc/system.cc index 1e2882607..e197e7918 100644 --- a/src/arch/sparc/system.cc +++ b/src/arch/sparc/system.cc @@ -24,6 +24,8 @@ * 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: Ali Saidi */ #include "arch/sparc/system.hh" @@ -40,7 +42,8 @@ using namespace BigEndianGuest; SparcSystem::SparcSystem(Params *p) - : System(p) + : System(p), sysTick(0) + { resetSymtab = new SymbolTable; hypervisorSymtab = new SymbolTable; diff --git a/src/arch/sparc/system.hh b/src/arch/sparc/system.hh index 27aa8768a..614707f6c 100644 --- a/src/arch/sparc/system.hh +++ b/src/arch/sparc/system.hh @@ -24,6 +24,8 @@ * 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: Ali Saidi */ #ifndef __ARCH_SPARC_SYSTEM_HH__ @@ -53,7 +55,7 @@ class SparcSystem : public System SparcSystem(Params *p); - ~SparcaSystem(); + ~SparcSystem(); virtual bool breakpoint(); @@ -82,6 +84,9 @@ class SparcSystem : public System /** Object pointer for the openboot code */ ObjectFile *openboot; + /** System Tick for syncronized tick across all cpus. */ + Tick sysTick; + protected: const Params *params() const { return (const Params *)_params; } diff --git a/src/arch/sparc/tlb.hh b/src/arch/sparc/tlb.hh new file mode 100644 index 000000000..35ff08b43 --- /dev/null +++ b/src/arch/sparc/tlb.hh @@ -0,0 +1,35 @@ +/* + * Copyright (c) 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: Ali Saidi + */ + +#ifndef __ARCH_SPARC_TLB_HH__ +#define __ARCH_SPARC_TLB_HH__ + + +#endif // __ARCH_SPARC_TLB_HH__ diff --git a/src/arch/sparc/ua2005.cc b/src/arch/sparc/ua2005.cc new file mode 100644 index 000000000..b89d48663 --- /dev/null +++ b/src/arch/sparc/ua2005.cc @@ -0,0 +1,224 @@ +/* + * Copyright (c) 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: Ali Saidi + */ + +#include "arch/sparc/regfile.hh" + +Fault +SparcISA::MiscRegFile::setFSRegWithEffect(int miscReg, const MiscReg &val, + ThreadContext *tc) +{ + int64_t time; + SparcSystem *sys; + switch (miscReg) { + /** Full system only ASRs */ + case MISCREG_SOFTINT: + if (isNonPriv()) + return new PrivilegedOpcode; + // Check if we are going to interrupt because of something + int oldLevel = InterruptLevel(softint); + int newLevel = InterruptLevel(val); + setReg(miscReg, val); + if (newLevel > oldLevel) + ; // MUST DO SOMETHING HERE TO TELL CPU TO LOOK FOR INTERRUPTS XXX + //tc->getCpuPtr()->checkInterrupts = true; + return NoFault; + + case MISCREG_SOFTINT_CLR: + return setRegWithEffect(miscReg, ~val & softint, tc); + case MISCREG_SOFTINT_SET: + return setRegWithEffect(miscReg, val | softint, tc); + + case MISCREG_TICK_CMPR: + if (isNonPriv()) + return new PrivilegedOpcode; + if (tickCompare == NULL) + tickCompare = new TickCompareEvent(this, tc); + setReg(miscReg, val); + if (tick_cmprFields.int_dis && tickCompare.scheduled()) + tickCompare.deschedule(); + time = tick_cmprFields.tick_cmpr - tickFields.counter; + if (!tick_cmprFields.int_dis && time > 0) + tickCompare.schedule(time * tc->getCpuPtr()->cycles(1)); + return NoFault; + + case MISCREG_STICK: + if (isNonPriv()) + return new PrivilegedOpcode; + if (isPriv()) + return new PrivilegedAction; + sys = dynamic_cast<SparcSystem*>(tc->getSystemPtr()); + assert(sys != NULL); + sys->sysTick = curTick/Clock::Int::ns - val & ~Bit64; + stickFields.npt = val & Bit64 ? 1 : 0; + return NoFault; + + case MISCREG_STICK_CMPR: + if (isNonPriv()) + return new PrivilegedOpcode; + if (sTickCompare == NULL) + sTickCompare = new STickCompareEvent(this, tc); + sys = dynamic_cast<SparcSystem*>(tc->getSystemPtr()); + assert(sys != NULL); + setReg(miscReg, val); + if (stick_cmprFields.int_dis && sTickCompare.scheduled()) + sTickCompare.deschedule(); + time = stick_cmprFields.tick_cmpr - sys->sysTick; + if (!stick_cmprFields.int_dis && time > 0) + sTickCompare.schedule(time * Clock::Int::ns); + return NoFault; + + /** Fullsystem only Priv registers. */ + case MISCREG_PIL: + if (FULL_SYSTEM) { + setReg(miscReg, val); + //tc->getCpuPtr()->checkInterrupts; + // MUST DO SOMETHING HERE TO TELL CPU TO LOOK FOR INTERRUPTS XXX + return NoFault; + } else + panic("PIL not implemented for syscall emulation\n"); + + /** Hyper privileged registers */ + case MISCREG_HPSTATE: + case MISCREG_HINTP: + setReg(miscReg, val); + return NoFault; + case MISCREG_HTSTATE: + if (tl == 0) + return new IllegalInstruction; + setReg(miscReg, val); + return NoFault; + + case MISCREG_HTBA: + // clear lower 7 bits on writes. + setReg(miscReg, val & ULL(~0x7FFF)); + return NoFault; + + case MISCREG_STRAND_STS_REG: + setReg(miscReg, strandStatusReg); + return NoFault; + case MISCREG_HSTICK_CMPR: + if (isNonPriv()) + return new PrivilegedOpcode; + if (hSTickCompare == NULL) + hSTickCompare = new HSTickCompareEvent(this, tc); + sys = dynamic_cast<SparcSystem*>(tc->getSystemPtr()); + assert(sys != NULL); + setReg(miscReg, val); + if (hstick_cmprFields.int_dis && hSTickCompare.scheduled()) + hSTickCompare.deschedule(); + int64_t time = hstick_cmprFields.tick_cmpr - sys->sysTick; + if (!hstick_cmprFields.int_dis && time > 0) + hSTickCompare.schedule(time * Clock::Int::ns); + return NoFault; + default: + return new IllegalInstruction; + } +} + +MiscReg +MiscRegFile::readFSRegWithEffect(int miscReg, Fault &fault, ThreadContext * tc) +{ + switch (miscReg) { + + /** Privileged registers. */ + case MISCREG_SOFTINT: + if (isNonPriv()) { + fault = new PrivilegedOpcode; + return 0; + } + return readReg(miscReg); + case MISCREG_TICK_CMPR: + if (isNonPriv()) { + fault = new PrivilegedOpcode; + return 0; + } + return readReg(miscReg); + case MISCREG_STICK: + SparcSystem *sys; + if (stickFields.npt && !isNonPriv()) { + fault = new PrivilegedAction; + return 0; + } + sys = dynamic_cast<SparcSystem*>(tc->getSystemPtr()); + assert(sys != NULL); + return curTick/Clock::Int::ns - sys->sysTick | stickFields.npt << 63; + case MISCREG_STICK_CMPR: + if (isNonPriv()) { + fault = new PrivilegedOpcode; + return 0; + } + return readReg(miscReg); + + + /** Hyper privileged registers */ + case MISCREG_HPSTATE: + case MISCREG_HINTP: + return readReg(miscReg); + case MISCREG_HTSTATE: + if (tl == 0) { + fault = new IllegalInstruction; + return 0; + } + return readReg(miscReg); + + case MISCREG_HTBA: + return readReg(miscReg) & ULL(~0x7FFF); + case MISCREG_HVER: + return NWindows | MaxTL << 8 | MaxGL << 16; + case MISCREG_STRAND_STS_REG: + return strandStatusReg; + case MISCREG_HSTICK_CMPR: + return hstick_cmpr; + + default: + fault = new IllegalInstruction; + return 0; + } +} + +void +MiscRegFile::processTickCompare(ThreadContext *tc) +{ + panic("tick compare not implemented\n"); +} + +void +MiscRegFile::processSTickCompare(ThreadContext *tc) +{ + panic("tick compare not implemented\n"); +} + +void +MiscRegFile::processHSTickCompare(ThreadContext *tc) +{ + panic("tick compare not implemented\n"); +} + +}; // namespace SparcISA diff --git a/src/arch/sparc/utility.hh b/src/arch/sparc/utility.hh index 1e67b3370..f1c071148 100644 --- a/src/arch/sparc/utility.hh +++ b/src/arch/sparc/utility.hh @@ -24,6 +24,8 @@ * 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 */ #ifndef __ARCH_SPARC_UTILITY_HH__ @@ -79,10 +81,10 @@ namespace SparcISA /** * Function to insure ISA semantics about 0 registers. - * @param xc The execution context. + * @param tc The thread context. */ - template <class XC> - void zeroRegisters(XC *xc); + template <class TC> + void zeroRegisters(TC *tc); } // namespace SparcISA diff --git a/src/arch/sparc/vtophys.cc b/src/arch/sparc/vtophys.cc new file mode 100644 index 000000000..f7fd92c15 --- /dev/null +++ b/src/arch/sparc/vtophys.cc @@ -0,0 +1,166 @@ +/* + * Copyright (c) 2002-2005 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: Nathan Binkert + * Steve Reinhardt + * Ali Saidi + */ + +#include <string> + +#include "arch/alpha/ev5.hh" +#include "arch/alpha/vtophys.hh" +#include "base/chunk_generator.hh" +#include "base/trace.hh" +#include "cpu/thread_context.hh" +#include "mem/vport.hh" + +using namespace std; +using namespace AlphaISA; + +AlphaISA::PageTableEntry +AlphaISA::kernel_pte_lookup(FunctionalPort *mem, Addr ptbr, AlphaISA::VAddr vaddr) +{ + Addr level1_pte = ptbr + vaddr.level1(); + AlphaISA::PageTableEntry level1 = mem->read<uint64_t>(level1_pte); + if (!level1.valid()) { + DPRINTF(VtoPhys, "level 1 PTE not valid, va = %#\n", vaddr); + return 0; + } + + Addr level2_pte = level1.paddr() + vaddr.level2(); + AlphaISA::PageTableEntry level2 = mem->read<uint64_t>(level2_pte); + if (!level2.valid()) { + DPRINTF(VtoPhys, "level 2 PTE not valid, va = %#x\n", vaddr); + return 0; + } + + Addr level3_pte = level2.paddr() + vaddr.level3(); + AlphaISA::PageTableEntry level3 = mem->read<uint64_t>(level3_pte); + if (!level3.valid()) { + DPRINTF(VtoPhys, "level 3 PTE not valid, va = %#x\n", vaddr); + return 0; + } + return level3; +} + +Addr +AlphaISA::vtophys(Addr vaddr) +{ + Addr paddr = 0; + if (AlphaISA::IsUSeg(vaddr)) + DPRINTF(VtoPhys, "vtophys: invalid vaddr %#x", vaddr); + else if (AlphaISA::IsK0Seg(vaddr)) + paddr = AlphaISA::K0Seg2Phys(vaddr); + else + panic("vtophys: ptbr is not set on virtual lookup"); + + DPRINTF(VtoPhys, "vtophys(%#x) -> %#x\n", vaddr, paddr); + + return paddr; +} + +Addr +AlphaISA::vtophys(ThreadContext *tc, Addr addr) +{ + AlphaISA::VAddr vaddr = addr; + Addr ptbr = tc->readMiscReg(AlphaISA::IPR_PALtemp20); + Addr paddr = 0; + //@todo Andrew couldn't remember why he commented some of this code + //so I put it back in. Perhaps something to do with gdb debugging? + if (AlphaISA::PcPAL(vaddr) && (vaddr < EV5::PalMax)) { + paddr = vaddr & ~ULL(1); + } else { + if (AlphaISA::IsK0Seg(vaddr)) { + paddr = AlphaISA::K0Seg2Phys(vaddr); + } else if (!ptbr) { + paddr = vaddr; + } else { + AlphaISA::PageTableEntry pte = + kernel_pte_lookup(tc->getPhysPort(), ptbr, vaddr); + if (pte.valid()) + paddr = pte.paddr() | vaddr.offset(); + } + } + + + DPRINTF(VtoPhys, "vtophys(%#x) -> %#x\n", vaddr, paddr); + + return paddr; +} + + +void +AlphaISA::CopyOut(ThreadContext *tc, void *dest, Addr src, size_t cplen) +{ + uint8_t *dst = (uint8_t *)dest; + VirtualPort *vp = tc->getVirtPort(tc); + + vp->readBlob(src, dst, cplen); + + tc->delVirtPort(vp); + +} + +void +AlphaISA::CopyIn(ThreadContext *tc, Addr dest, void *source, size_t cplen) +{ + uint8_t *src = (uint8_t *)source; + VirtualPort *vp = tc->getVirtPort(tc); + + vp->writeBlob(dest, src, cplen); + + tc->delVirtPort(vp); +} + +void +AlphaISA::CopyStringOut(ThreadContext *tc, char *dst, Addr vaddr, size_t maxlen) +{ + int len = 0; + VirtualPort *vp = tc->getVirtPort(tc); + + do { + vp->readBlob(vaddr++, (uint8_t*)dst++, 1); + len++; + } while (len < maxlen && dst[len] != 0 ); + + tc->delVirtPort(vp); + dst[len] = 0; +} + +void +AlphaISA::CopyStringIn(ThreadContext *tc, char *src, Addr vaddr) +{ + VirtualPort *vp = tc->getVirtPort(tc); + for (ChunkGenerator gen(vaddr, strlen(src), AlphaISA::PageBytes); !gen.done(); + gen.next()) + { + vp->writeBlob(gen.addr(), (uint8_t*)src, gen.size()); + src += gen.size(); + } + tc->delVirtPort(vp); +} diff --git a/src/arch/sparc/vtophys.hh b/src/arch/sparc/vtophys.hh new file mode 100644 index 000000000..bf2b757d6 --- /dev/null +++ b/src/arch/sparc/vtophys.hh @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2002-2005 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: Nathan Binkert + * Steve Reinhardt + */ + +#ifndef __ARCH_SPARC_VTOPHYS_H__ +#define __ARCH_SPARC_VTOPHYS_H__ + +#include "arch/sparc/isa_traits.hh" + +class ThreadContext; +class FunctionalPort; + +namespace SparcISA { + +PageTableEntry +kernel_pte_lookup(FunctionalPort *mem, Addr ptbr, SparcISA::VAddr vaddr); + +Addr vtophys(Addr vaddr); +Addr vtophys(ThreadContext *tc, Addr vaddr); + +void CopyOut(ThreadContext *tc, void *dst, Addr src, size_t len); +void CopyIn(ThreadContext *tc, Addr dst, void *src, size_t len); +void CopyStringOut(ThreadContext *tc, char *dst, Addr vaddr, size_t maxlen); +void CopyStringIn(ThreadContext *tc, char *src, Addr vaddr); + +}; +#endif // __ARCH_SPARC_VTOPHYS_H__ + |