/*
+ * Copyright (c) 2007 The Hewlett-Packard Development Company
+ * All rights reserved.
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder. You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
* Copyright (c) 2003-2006 The Regents of The University of Michigan
* All rights reserved.
*
* Ali Saidi
*/
-/*
- * 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
- */
-
+#include "arch/x86/regs/misc.hh"
+#include "arch/x86/regs/segment.hh"
#include "arch/x86/isa_traits.hh"
-#include "arch/x86/miscregs.hh"
#include "arch/x86/process.hh"
-#include "arch/x86/segmentregs.hh"
#include "arch/x86/types.hh"
-#include "base/loader/object_file.hh"
#include "base/loader/elf_object.hh"
+#include "base/loader/object_file.hh"
#include "base/misc.hh"
#include "base/trace.hh"
#include "cpu/thread_context.hh"
+#include "debug/Stack.hh"
#include "mem/page_table.hh"
-#include "mem/translating_port.hh"
#include "sim/process_impl.hh"
#include "sim/syscall_emul.hh"
#include "sim/system.hh"
void
I386LiveProcess::syscall(int64_t callnum, ThreadContext *tc)
{
- Addr eip = tc->readPC();
+ TheISA::PCState pc = tc->pcState();
+ Addr eip = pc.pc();
if (eip >= vsyscallPage.base &&
eip < vsyscallPage.base + vsyscallPage.size) {
- tc->setNextPC(vsyscallPage.base + vsyscallPage.vsysexitOffset);
+ pc.npc(vsyscallPage.base + vsyscallPage.vsysexitOffset);
+ tc->pcState(pc);
}
X86LiveProcess::syscall(callnum, tc);
}
int _numSyscallDescs) :
X86LiveProcess(params, objFile, _syscallDescs, _numSyscallDescs)
{
- _gdtStart = ULL(0x100000000);
+ _gdtStart = ULL(0xffffd000);
_gdtSize = VMPageSize;
vsyscallPage.base = 0xffffe000ULL;
vsyscallPage.vsyscallOffset = 0x400;
vsyscallPage.vsysexitOffset = 0x410;
- stack_base = vsyscallPage.base;
+ stack_base = _gdtStart;
// Set pointer for next thread stack. Reserve 8M for main stack.
next_thread_stack_base = stack_base - (8 * 1024 * 1024);
}
void
-X86_64LiveProcess::startup()
+X86_64LiveProcess::initState()
{
- LiveProcess::startup();
-
- if (checkpointRestored)
- return;
+ X86LiveProcess::initState();
argsInit(sizeof(uint64_t), VMPageSize);
// Set up the vsyscall page for this process.
- pTable->allocate(vsyscallPage.base, vsyscallPage.size);
+ allocateMem(vsyscallPage.base, vsyscallPage.size);
uint8_t vtimeBlob[] = {
0x48,0xc7,0xc0,0xc9,0x00,0x00,0x00, // mov $0xc9,%rax
0x0f,0x05, // syscall
0xc3 // retq
};
- initVirtMem->writeBlob(vsyscallPage.base + vsyscallPage.vtimeOffset,
+ initVirtMem.writeBlob(vsyscallPage.base + vsyscallPage.vtimeOffset,
vtimeBlob, sizeof(vtimeBlob));
uint8_t vgettimeofdayBlob[] = {
0x0f,0x05, // syscall
0xc3 // retq
};
- initVirtMem->writeBlob(vsyscallPage.base + vsyscallPage.vgettimeofdayOffset,
+ initVirtMem.writeBlob(vsyscallPage.base + vsyscallPage.vgettimeofdayOffset,
vgettimeofdayBlob, sizeof(vgettimeofdayBlob));
for (int i = 0; i < contextIds.size(); i++) {
}
void
-I386LiveProcess::startup()
+I386LiveProcess::initState()
{
- LiveProcess::startup();
-
- if (checkpointRestored)
- return;
+ X86LiveProcess::initState();
argsInit(sizeof(uint32_t), VMPageSize);
* Set up a GDT for this process. The whole GDT wouldn't really be for
* this process, but the only parts we care about are.
*/
- pTable->allocate(_gdtStart, _gdtSize);
+ allocateMem(_gdtStart, _gdtSize);
uint64_t zero = 0;
assert(_gdtSize % sizeof(zero) == 0);
for (Addr gdtCurrent = _gdtStart;
gdtCurrent < _gdtStart + _gdtSize; gdtCurrent += sizeof(zero)) {
- initVirtMem->write(gdtCurrent, zero);
+ initVirtMem.write(gdtCurrent, zero);
}
// Set up the vsyscall page for this process.
- pTable->allocate(vsyscallPage.base, vsyscallPage.size);
+ allocateMem(vsyscallPage.base, vsyscallPage.size);
uint8_t vsyscallBlob[] = {
0x51, // push %ecx
0x52, // push %edp
0x89, 0xe5, // mov %esp, %ebp
0x0f, 0x34 // sysenter
};
- initVirtMem->writeBlob(vsyscallPage.base + vsyscallPage.vsyscallOffset,
+ initVirtMem.writeBlob(vsyscallPage.base + vsyscallPage.vsyscallOffset,
vsyscallBlob, sizeof(vsyscallBlob));
uint8_t vsysexitBlob[] = {
0x59, // pop %ecx
0xc3 // ret
};
- initVirtMem->writeBlob(vsyscallPage.base + vsyscallPage.vsysexitOffset,
+ initVirtMem.writeBlob(vsyscallPage.base + vsyscallPage.vsysexitOffset,
vsysexitBlob, sizeof(vsysexitBlob));
for (int i = 0; i < contextIds.size(); i++) {
stack_size = stack_base - stack_min;
// map memory
- pTable->allocate(roundDown(stack_min, pageSize),
- roundUp(stack_size, pageSize));
+ allocateMem(roundDown(stack_min, pageSize), roundUp(stack_size, pageSize));
// map out initial stack contents
IntType sentry_base = stack_base - sentry_size;
//Write out the sentry void *
IntType sentry_NULL = 0;
- initVirtMem->writeBlob(sentry_base,
+ initVirtMem.writeBlob(sentry_base,
(uint8_t*)&sentry_NULL, sentry_size);
//Write the file name
- initVirtMem->writeString(file_name_base, filename.c_str());
+ initVirtMem.writeString(file_name_base, filename.c_str());
//Fix up the aux vectors which point to data
assert(auxv[auxv.size() - 3].a_type == M5_AT_RANDOM);
//Copy the aux stuff
for(int x = 0; x < auxv.size(); x++)
{
- initVirtMem->writeBlob(auxv_array_base + x * 2 * intSize,
+ initVirtMem.writeBlob(auxv_array_base + x * 2 * intSize,
(uint8_t*)&(auxv[x].a_type), intSize);
- initVirtMem->writeBlob(auxv_array_base + (x * 2 + 1) * 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(),
+ initVirtMem.writeBlob(auxv_array_base + 2 * intSize * auxv.size(),
(uint8_t*)&zero, 2 * intSize);
- initVirtMem->writeString(aux_data_base, platform.c_str());
+ initVirtMem.writeString(aux_data_base, platform.c_str());
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);
+ initVirtMem.writeBlob(argc_base, (uint8_t*)&guestArgc, intSize);
ThreadContext *tc = system->getThreadContext(contextIds[0]);
//Set the stack pointer register
tc->setIntReg(StackPointerReg, stack_min);
- Addr prog_entry = objFile->entryPoint();
// There doesn't need to be any segment base added in since we're dealing
// with the flat segmentation model.
- tc->setPC(prog_entry);
- tc->setNextPC(prog_entry + sizeof(MachInst));
+ tc->pcState(objFile->entryPoint());
//Align the "stack_min" to a page boundary.
stack_min = roundDown(stack_min, pageSize);
projects / gem5.git / blobdiff