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Diffstat (limited to 'arch/sparc/process.cc')
| -rw-r--r-- | arch/sparc/process.cc | 388 |
1 files changed, 0 insertions, 388 deletions
diff --git a/arch/sparc/process.cc b/arch/sparc/process.cc deleted file mode 100644 index 250c1bec4..000000000 --- a/arch/sparc/process.cc +++ /dev/null @@ -1,388 +0,0 @@ -/* - * Copyright (c) 2003-2004 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. - */ - -#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 "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, - std::vector<std::string> &argv, std::vector<std::string> &envp) - : LiveProcess(nm, objFile, _system, stdin_fd, stdout_fd, stderr_fd, - argv, envp) -{ - - // XXX all the below need to be updated for SPARC - Ali - brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize(); - brk_point = roundUp(brk_point, VMPageSize); - - // Set up stack. On SPARC Linux, stack goes from the top of memory - // downward, less the hole for the kernel address space. - stack_base = ((Addr)0x80000000000ULL); - - // Set up region for mmaps. Tru64 seems to start just above 0 and - // grow up from there. - mmap_start = mmap_end = 0x800000; - - // Set pointer for next thread stack. Reserve 8M for main stack. - next_thread_stack_base = stack_base - (8 * 1024 * 1024); -} - -void -SparcLiveProcess::startup() -{ - argsInit(MachineBytes, VMPageSize); - - //From the SPARC ABI - - //The process runs in user mode - execContexts[0]->setMiscRegWithEffect(MISCREG_PSTATE_PRIV, 0); - //Interrupts are enabled - execContexts[0]->setMiscRegWithEffect(MISCREG_PSTATE_IE, 1); - //Round to nearest - execContexts[0]->setMiscRegWithEffect(MISCREG_FSR_RD, 0); - //Floating point traps are not enabled - execContexts[0]->setMiscRegWithEffect(MISCREG_FSR_TEM, 0); - //Turn non standard mode off - execContexts[0]->setMiscRegWithEffect(MISCREG_FSR_NS, 0); - //The floating point queue is empty - execContexts[0]->setMiscRegWithEffect(MISCREG_FSR_QNE, 0); - //There are no accrued eexecContext[0]eptions - execContexts[0]->setMiscRegWithEffect(MISCREG_FSR_AEXC, 0); - //There are no current eexecContext[0]eptions - execContexts[0]->setMiscRegWithEffect(MISCREG_FSR_CEXC, 0); - - /* - * Register window management registers - */ - - //No windows contain info from other programs - execContexts[0]->setMiscRegWithEffect(MISCREG_OTHERWIN, 0); - //There are no windows to pop - execContexts[0]->setMiscRegWithEffect(MISCREG_CANRESTORE, 0); - //All windows are available to save into - execContexts[0]->setMiscRegWithEffect(MISCREG_CANSAVE, NWindows - 2); - //All windows are "clean" - execContexts[0]->setMiscRegWithEffect(MISCREG_CLEANWIN, NWindows); - //Start with register window 0 - execContexts[0]->setMiscRegWithEffect(MISCREG_CWP, 0); -} - -m5_auxv_t buildAuxVect(int64_t type, int64_t val) -{ - m5_auxv_t result; - result.a_type = TheISA::htog(type); - result.a_val = TheISA::htog(val); - return result; -} - -void -SparcLiveProcess::argsInit(int intSize, int pageSize) -{ - Process::startup(); - - Addr alignmentMask = ~(intSize - 1); - - // load object file into target memory - objFile->loadSections(initVirtMem); - - //These are the auxilliary vector types - enum auxTypes - { - SPARC_AT_HWCAP = 16, - SPARC_AT_PAGESZ = 6, - SPARC_AT_CLKTCK = 17, - SPARC_AT_PHDR = 3, - SPARC_AT_PHENT = 4, - SPARC_AT_PHNUM = 5, - SPARC_AT_BASE = 7, - SPARC_AT_FLAGS = 8, - SPARC_AT_ENTRY = 9, - SPARC_AT_UID = 11, - SPARC_AT_EUID = 12, - SPARC_AT_GID = 13, - SPARC_AT_EGID = 14 - }; - - enum hardwareCaps - { - M5_HWCAP_SPARC_FLUSH = 1, - M5_HWCAP_SPARC_STBAR = 2, - M5_HWCAP_SPARC_SWAP = 4, - M5_HWCAP_SPARC_MULDIV = 8, - M5_HWCAP_SPARC_V9 = 16, - //This one should technically only be set - //if there is a cheetah or cheetah_plus tlb, - //but we'll use it all the time - M5_HWCAP_SPARC_ULTRA3 = 32 - }; - - const int64_t hwcap = - M5_HWCAP_SPARC_FLUSH | - M5_HWCAP_SPARC_STBAR | - M5_HWCAP_SPARC_SWAP | - M5_HWCAP_SPARC_MULDIV | - M5_HWCAP_SPARC_V9 | - M5_HWCAP_SPARC_ULTRA3; - - //Setup the auxilliary vectors. These will already have - //endian conversion. - auxv.push_back(buildAuxVect(SPARC_AT_EGID, 100)); - auxv.push_back(buildAuxVect(SPARC_AT_GID, 100)); - auxv.push_back(buildAuxVect(SPARC_AT_EUID, 100)); - auxv.push_back(buildAuxVect(SPARC_AT_UID, 100)); - //This would work, but the entry point is a protected member - //auxv.push_back(buildAuxVect(SPARC_AT_ENTRY, objFile->entry)); - auxv.push_back(buildAuxVect(SPARC_AT_FLAGS, 0)); - //This is the address of the elf "interpreter", which I don't - //think we currently set up. It should be set to 0 (I think) - //auxv.push_back(buildAuxVect(SPARC_AT_BASE, 0)); - //This is the number of headers which were in the original elf - //file. This information isn't avaibale by this point. - //auxv.push_back(buildAuxVect(SPARC_AT_PHNUM, 3)); - //This is the size of a program header entry. This isn't easy - //to compute here. - //auxv.push_back(buildAuxVect(SPARC_AT_PHENT, blah)); - //This is should be set to load_addr (whatever that is) + - //e_phoff. I think it's a pointer to the program headers. - //auxv.push_back(buildAuxVect(SPARC_AT_PHDR, blah)); - //This should be easy to get right, but I won't set it for now - //auxv.push_back(buildAuxVect(SPARC_AT_CLKTCK, blah)); - auxv.push_back(buildAuxVect(SPARC_AT_PAGESZ, SparcISA::VMPageSize)); - auxv.push_back(buildAuxVect(SPARC_AT_HWCAP, hwcap)); - - //Figure out how big the initial stack needs to be - - //Each auxilliary vector is two 8 byte words - int aux_data_size = 2 * intSize * auxv.size(); - int env_data_size = 0; - for (int i = 0; i < envp.size(); ++i) { - env_data_size += envp[i].size() + 1; - } - int arg_data_size = 0; - for (int i = 0; i < argv.size(); ++i) { - arg_data_size += argv[i].size() + 1; - } - - int aux_array_size = intSize * 2 * (auxv.size() + 1); - - int argv_array_size = intSize * (argv.size() + 1); - int envp_array_size = intSize * (envp.size() + 1); - - int argc_size = intSize; - int window_save_size = intSize * 16; - - int info_block_size = - (aux_data_size + - env_data_size + - arg_data_size + - ~alignmentMask) & alignmentMask; - - int info_block_padding = - info_block_size - - aux_data_size - - env_data_size - - arg_data_size; - - int space_needed = - info_block_size + - aux_array_size + - envp_array_size + - argv_array_size + - argc_size + - window_save_size; - - stack_min = stack_base - space_needed; - stack_min &= alignmentMask; - stack_size = stack_base - stack_min; - - // map memory - pTable->allocate(roundDown(stack_min, pageSize), - roundUp(stack_size, pageSize)); - - // map out initial stack contents - Addr aux_data_base = stack_base - aux_data_size - info_block_padding; - Addr env_data_base = aux_data_base - env_data_size; - Addr arg_data_base = env_data_base - arg_data_size; - Addr auxv_array_base = arg_data_base - aux_array_size; - Addr envp_array_base = auxv_array_base - envp_array_size; - Addr argv_array_base = envp_array_base - argv_array_size; - Addr argc_base = argv_array_base - argc_size; - Addr window_save_base = argc_base - window_save_size; - - DPRINTF(Sparc, "The addresses of items on the initial stack:\n"); - DPRINTF(Sparc, "0x%x - aux data\n", aux_data_base); - DPRINTF(Sparc, "0x%x - env data\n", env_data_base); - DPRINTF(Sparc, "0x%x - arg data\n", arg_data_base); - DPRINTF(Sparc, "0x%x - auxv array\n", auxv_array_base); - DPRINTF(Sparc, "0x%x - envp array\n", envp_array_base); - DPRINTF(Sparc, "0x%x - argv array\n", argv_array_base); - DPRINTF(Sparc, "0x%x - argc \n", argc_base); - DPRINTF(Sparc, "0x%x - window save\n", window_save_base); - DPRINTF(Sparc, "0x%x - stack min\n", stack_min); - - // write contents to stack - uint64_t argc = argv.size(); - uint64_t guestArgc = TheISA::htog(argc); - - //Copy the aux stuff - for(int x = 0; x < auxv.size(); x++) - { - initVirtMem->writeBlob(auxv_array_base + x * 2 * intSize, - (uint8_t*)&(auxv[x].a_type), intSize); - initVirtMem->writeBlob(auxv_array_base + (x * 2 + 1) * intSize, - (uint8_t*)&(auxv[x].a_val), intSize); - } - //Write out the terminating zeroed auxilliary vector - const uint64_t zero = 0; - initVirtMem->writeBlob(auxv_array_base + 2 * intSize * auxv.size(), - (uint8_t*)&zero, 2 * intSize); - - copyStringArray(envp, envp_array_base, env_data_base, initVirtMem); - copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem); - - 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); - - 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))); - -// 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) - - |