diff options
Diffstat (limited to 'src/arch/mips')
-rw-r--r-- | src/arch/mips/process.cc | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/src/arch/mips/process.cc b/src/arch/mips/process.cc index c1943bf39..4993b3c68 100644 --- a/src/arch/mips/process.cc +++ b/src/arch/mips/process.cc @@ -53,17 +53,18 @@ MipsProcess::MipsProcess(ProcessParams * params, ObjectFile *objFile) { // Set up stack. On MIPS, stack starts at the top of kuseg // user address space. MIPS stack grows down from here - stack_base = 0x7FFFFFFF; + memState->stackBase = 0x7FFFFFFF; // Set pointer for next thread stack. Reserve 8M for main stack. - next_thread_stack_base = stack_base - (8 * 1024 * 1024); + memState->nextThreadStackBase = memState->stackBase - (8 * 1024 * 1024); // Set up break point (Top of Heap) - brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize(); - brk_point = roundUp(brk_point, PageBytes); + memState->brkPoint = objFile->dataBase() + objFile->dataSize() + + objFile->bssSize(); + memState->brkPoint = roundUp(memState->brkPoint, PageBytes); // Set up region for mmaps. Start it 1GB above the top of the heap. - mmap_end = brk_point + 0x40000000L; + memState->mmapEnd = memState->brkPoint + 0x40000000L; } void @@ -140,15 +141,15 @@ MipsProcess::argsInit(int pageSize) env_data_size; // set bottom of stack - stack_min = stack_base - space_needed; + memState->stackMin = memState->stackBase - space_needed; // align it - stack_min = roundDown(stack_min, pageSize); - stack_size = stack_base - stack_min; + memState->stackMin = roundDown(memState->stackMin, pageSize); + memState->stackSize = memState->stackBase - memState->stackMin; // map memory - allocateMem(stack_min, roundUp(stack_size, pageSize)); + allocateMem(memState->stackMin, roundUp(memState->stackSize, pageSize)); // map out initial stack contents - IntType argv_array_base = stack_min + intSize; // room for argc + IntType argv_array_base = memState->stackMin + intSize; // room for argc IntType envp_array_base = argv_array_base + argv_array_size; IntType auxv_array_base = envp_array_base + envp_array_size; IntType arg_data_base = auxv_array_base + auxv_array_size; @@ -159,7 +160,7 @@ MipsProcess::argsInit(int pageSize) argc = htog((IntType)argc); - initVirtMem.writeBlob(stack_min, (uint8_t*)&argc, intSize); + initVirtMem.writeBlob(memState->stackMin, (uint8_t*)&argc, intSize); copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem); @@ -184,7 +185,7 @@ MipsProcess::argsInit(int pageSize) setSyscallArg(tc, 0, argc); setSyscallArg(tc, 1, argv_array_base); - tc->setIntReg(StackPointerReg, stack_min); + tc->setIntReg(StackPointerReg, memState->stackMin); tc->pcState(getStartPC()); } |