process.cc (11905:4a771f8756ad) process.cc (11906:4b99c1bb3b72)
1/*
2 * Copyright (c) 2014 Advanced Micro Devices, Inc.
3 * Copyright (c) 2007 The Hewlett-Packard Development Company
4 * All rights reserved.
5 *
6 * The license below extends only to copyright in the software and shall
7 * not be construed as granting a license to any other intellectual
8 * property including but not limited to intellectual property relating

--- 59 unchanged lines hidden (view full) ---

68
69using namespace std;
70using namespace X86ISA;
71
72static const int ArgumentReg[] = {
73 INTREG_RDI,
74 INTREG_RSI,
75 INTREG_RDX,
1/*
2 * Copyright (c) 2014 Advanced Micro Devices, Inc.
3 * Copyright (c) 2007 The Hewlett-Packard Development Company
4 * All rights reserved.
5 *
6 * The license below extends only to copyright in the software and shall
7 * not be construed as granting a license to any other intellectual
8 * property including but not limited to intellectual property relating

--- 59 unchanged lines hidden (view full) ---

68
69using namespace std;
70using namespace X86ISA;
71
72static const int ArgumentReg[] = {
73 INTREG_RDI,
74 INTREG_RSI,
75 INTREG_RDX,
76 //This argument register is r10 for syscalls and rcx for C.
76 // This argument register is r10 for syscalls and rcx for C.
77 INTREG_R10W,
77 INTREG_R10W,
78 //INTREG_RCX,
78 // INTREG_RCX,
79 INTREG_R8W,
80 INTREG_R9W
81};
82
83static const int NumArgumentRegs M5_VAR_USED =
84 sizeof(ArgumentReg) / sizeof(const int);
85
86static const int ArgumentReg32[] = {

--- 91 unchanged lines hidden (view full) ---

178
179void
180X86_64Process::initState()
181{
182 X86Process::initState();
183
184 argsInit(PageBytes);
185
79 INTREG_R8W,
80 INTREG_R9W
81};
82
83static const int NumArgumentRegs M5_VAR_USED =
84 sizeof(ArgumentReg) / sizeof(const int);
85
86static const int ArgumentReg32[] = {

--- 91 unchanged lines hidden (view full) ---

178
179void
180X86_64Process::initState()
181{
182 X86Process::initState();
183
184 argsInit(PageBytes);
185
186 // Set up the vsyscall page for this process.
186 // Set up the vsyscall page for this process.
187 allocateMem(vsyscallPage.base, vsyscallPage.size);
188 uint8_t vtimeBlob[] = {
189 0x48,0xc7,0xc0,0xc9,0x00,0x00,0x00, // mov $0xc9,%rax
190 0x0f,0x05, // syscall
191 0xc3 // retq
192 };
193 initVirtMem.writeBlob(vsyscallPage.base + vsyscallPage.vtimeOffset,
194 vtimeBlob, sizeof(vtimeBlob));

--- 366 unchanged lines hidden (view full) ---

561 dataAttr.granularity = 1;
562 dataAttr.present = 1;
563 dataAttr.type = 3;
564 dataAttr.writable = 1;
565 dataAttr.readable = 1;
566 dataAttr.expandDown = 0;
567 dataAttr.system = 1;
568
187 allocateMem(vsyscallPage.base, vsyscallPage.size);
188 uint8_t vtimeBlob[] = {
189 0x48,0xc7,0xc0,0xc9,0x00,0x00,0x00, // mov $0xc9,%rax
190 0x0f,0x05, // syscall
191 0xc3 // retq
192 };
193 initVirtMem.writeBlob(vsyscallPage.base + vsyscallPage.vtimeOffset,
194 vtimeBlob, sizeof(vtimeBlob));

--- 366 unchanged lines hidden (view full) ---

561 dataAttr.granularity = 1;
562 dataAttr.present = 1;
563 dataAttr.type = 3;
564 dataAttr.writable = 1;
565 dataAttr.readable = 1;
566 dataAttr.expandDown = 0;
567 dataAttr.system = 1;
568
569 //Initialize the segment registers.
569 // Initialize the segment registers.
570 for (int seg = 0; seg < NUM_SEGMENTREGS; seg++) {
571 tc->setMiscRegNoEffect(MISCREG_SEG_BASE(seg), 0);
572 tc->setMiscRegNoEffect(MISCREG_SEG_EFF_BASE(seg), 0);
573 tc->setMiscRegNoEffect(MISCREG_SEG_ATTR(seg), dataAttr);
574 }
575
576 SegAttr csAttr = 0;
577 csAttr.dpl = 3;

--- 15 unchanged lines hidden (view full) ---

593 efer.sce = 1; // Enable system call extensions.
594 efer.lme = 1; // Enable long mode.
595 efer.lma = 1; // Activate long mode.
596 efer.nxe = 1; // Enable nx support.
597 efer.svme = 0; // Disable svm support for now. It isn't implemented.
598 efer.ffxsr = 1; // Turn on fast fxsave and fxrstor.
599 tc->setMiscReg(MISCREG_EFER, efer);
600
570 for (int seg = 0; seg < NUM_SEGMENTREGS; seg++) {
571 tc->setMiscRegNoEffect(MISCREG_SEG_BASE(seg), 0);
572 tc->setMiscRegNoEffect(MISCREG_SEG_EFF_BASE(seg), 0);
573 tc->setMiscRegNoEffect(MISCREG_SEG_ATTR(seg), dataAttr);
574 }
575
576 SegAttr csAttr = 0;
577 csAttr.dpl = 3;

--- 15 unchanged lines hidden (view full) ---

593 efer.sce = 1; // Enable system call extensions.
594 efer.lme = 1; // Enable long mode.
595 efer.lma = 1; // Activate long mode.
596 efer.nxe = 1; // Enable nx support.
597 efer.svme = 0; // Disable svm support for now. It isn't implemented.
598 efer.ffxsr = 1; // Turn on fast fxsave and fxrstor.
599 tc->setMiscReg(MISCREG_EFER, efer);
600
601 //Set up the registers that describe the operating mode.
601 // Set up the registers that describe the operating mode.
602 CR0 cr0 = 0;
603 cr0.pg = 1; // Turn on paging.
604 cr0.cd = 0; // Don't disable caching.
605 cr0.nw = 0; // This is bit is defined to be ignored.
606 cr0.am = 0; // No alignment checking
607 cr0.wp = 0; // Supervisor mode can write read only pages
608 cr0.ne = 1;
609 cr0.et = 1; // This should always be 1

--- 62 unchanged lines hidden (view full) ---

672 dataAttr.granularity = 1;
673 dataAttr.present = 1;
674 dataAttr.type = 3;
675 dataAttr.writable = 1;
676 dataAttr.readable = 1;
677 dataAttr.expandDown = 0;
678 dataAttr.system = 1;
679
602 CR0 cr0 = 0;
603 cr0.pg = 1; // Turn on paging.
604 cr0.cd = 0; // Don't disable caching.
605 cr0.nw = 0; // This is bit is defined to be ignored.
606 cr0.am = 0; // No alignment checking
607 cr0.wp = 0; // Supervisor mode can write read only pages
608 cr0.ne = 1;
609 cr0.et = 1; // This should always be 1

--- 62 unchanged lines hidden (view full) ---

672 dataAttr.granularity = 1;
673 dataAttr.present = 1;
674 dataAttr.type = 3;
675 dataAttr.writable = 1;
676 dataAttr.readable = 1;
677 dataAttr.expandDown = 0;
678 dataAttr.system = 1;
679
680 //Initialize the segment registers.
680 // Initialize the segment registers.
681 for (int seg = 0; seg < NUM_SEGMENTREGS; seg++) {
682 tc->setMiscRegNoEffect(MISCREG_SEG_BASE(seg), 0);
683 tc->setMiscRegNoEffect(MISCREG_SEG_EFF_BASE(seg), 0);
684 tc->setMiscRegNoEffect(MISCREG_SEG_ATTR(seg), dataAttr);
685 tc->setMiscRegNoEffect(MISCREG_SEG_SEL(seg), 0xB);
686 tc->setMiscRegNoEffect(MISCREG_SEG_LIMIT(seg), (uint32_t)(-1));
687 }
688

--- 24 unchanged lines hidden (view full) ---

713 efer.sce = 1; // Enable system call extensions.
714 efer.lme = 1; // Enable long mode.
715 efer.lma = 0; // Deactivate long mode.
716 efer.nxe = 1; // Enable nx support.
717 efer.svme = 0; // Disable svm support for now. It isn't implemented.
718 efer.ffxsr = 1; // Turn on fast fxsave and fxrstor.
719 tc->setMiscReg(MISCREG_EFER, efer);
720
681 for (int seg = 0; seg < NUM_SEGMENTREGS; seg++) {
682 tc->setMiscRegNoEffect(MISCREG_SEG_BASE(seg), 0);
683 tc->setMiscRegNoEffect(MISCREG_SEG_EFF_BASE(seg), 0);
684 tc->setMiscRegNoEffect(MISCREG_SEG_ATTR(seg), dataAttr);
685 tc->setMiscRegNoEffect(MISCREG_SEG_SEL(seg), 0xB);
686 tc->setMiscRegNoEffect(MISCREG_SEG_LIMIT(seg), (uint32_t)(-1));
687 }
688

--- 24 unchanged lines hidden (view full) ---

713 efer.sce = 1; // Enable system call extensions.
714 efer.lme = 1; // Enable long mode.
715 efer.lma = 0; // Deactivate long mode.
716 efer.nxe = 1; // Enable nx support.
717 efer.svme = 0; // Disable svm support for now. It isn't implemented.
718 efer.ffxsr = 1; // Turn on fast fxsave and fxrstor.
719 tc->setMiscReg(MISCREG_EFER, efer);
720
721 //Set up the registers that describe the operating mode.
721 // Set up the registers that describe the operating mode.
722 CR0 cr0 = 0;
723 cr0.pg = 1; // Turn on paging.
724 cr0.cd = 0; // Don't disable caching.
725 cr0.nw = 0; // This is bit is defined to be ignored.
726 cr0.am = 0; // No alignment checking
727 cr0.wp = 0; // Supervisor mode can write read only pages
728 cr0.ne = 1;
729 cr0.et = 1; // This should always be 1

--- 20 unchanged lines hidden (view full) ---

750 std::vector<auxv_t> auxv = extraAuxvs;
751
752 string filename;
753 if (argv.size() < 1)
754 filename = "";
755 else
756 filename = argv[0];
757
722 CR0 cr0 = 0;
723 cr0.pg = 1; // Turn on paging.
724 cr0.cd = 0; // Don't disable caching.
725 cr0.nw = 0; // This is bit is defined to be ignored.
726 cr0.am = 0; // No alignment checking
727 cr0.wp = 0; // Supervisor mode can write read only pages
728 cr0.ne = 1;
729 cr0.et = 1; // This should always be 1

--- 20 unchanged lines hidden (view full) ---

750 std::vector<auxv_t> auxv = extraAuxvs;
751
752 string filename;
753 if (argv.size() < 1)
754 filename = "";
755 else
756 filename = argv[0];
757
758 //We want 16 byte alignment
758 // We want 16 byte alignment
759 uint64_t align = 16;
760
761 // Patch the ld_bias for dynamic executables.
762 updateBias();
763
764 // load object file into target memory
765 objFile->loadSections(initVirtMem);
766

--- 69 unchanged lines hidden (view full) ---

836 X86_StreamingSIMDExtensions |
837 X86_StreamingSIMDExtensions2 |
838// X86_CPUSelfSnoop |
839// X86_HyperThreading |
840// X86_AutomaticClockControl |
841// X86_IA64Processor |
842 0;
843
759 uint64_t align = 16;
760
761 // Patch the ld_bias for dynamic executables.
762 updateBias();
763
764 // load object file into target memory
765 objFile->loadSections(initVirtMem);
766

--- 69 unchanged lines hidden (view full) ---

836 X86_StreamingSIMDExtensions |
837 X86_StreamingSIMDExtensions2 |
838// X86_CPUSelfSnoop |
839// X86_HyperThreading |
840// X86_AutomaticClockControl |
841// X86_IA64Processor |
842 0;
843
844 //Bits which describe the system hardware capabilities
845 //XXX Figure out what these should be
844 // Bits which describe the system hardware capabilities
845 // XXX Figure out what these should be
846 auxv.push_back(auxv_t(M5_AT_HWCAP, features));
846 auxv.push_back(auxv_t(M5_AT_HWCAP, features));
847 //The system page size
847 // The system page size
848 auxv.push_back(auxv_t(M5_AT_PAGESZ, X86ISA::PageBytes));
848 auxv.push_back(auxv_t(M5_AT_PAGESZ, X86ISA::PageBytes));
849 //Frequency at which times() increments
850 //Defined to be 100 in the kernel source.
849 // Frequency at which times() increments
850 // Defined to be 100 in the kernel source.
851 auxv.push_back(auxv_t(M5_AT_CLKTCK, 100));
852 // This is the virtual address of the program header tables if they
853 // appear in the executable image.
854 auxv.push_back(auxv_t(M5_AT_PHDR, elfObject->programHeaderTable()));
855 // This is the size of a program header entry from the elf file.
856 auxv.push_back(auxv_t(M5_AT_PHENT, elfObject->programHeaderSize()));
857 // This is the number of program headers from the original elf file.
858 auxv.push_back(auxv_t(M5_AT_PHNUM, elfObject->programHeaderCount()));
859 // This is the base address of the ELF interpreter; it should be
860 // zero for static executables or contain the base address for
861 // dynamic executables.
862 auxv.push_back(auxv_t(M5_AT_BASE, getBias()));
851 auxv.push_back(auxv_t(M5_AT_CLKTCK, 100));
852 // This is the virtual address of the program header tables if they
853 // appear in the executable image.
854 auxv.push_back(auxv_t(M5_AT_PHDR, elfObject->programHeaderTable()));
855 // This is the size of a program header entry from the elf file.
856 auxv.push_back(auxv_t(M5_AT_PHENT, elfObject->programHeaderSize()));
857 // This is the number of program headers from the original elf file.
858 auxv.push_back(auxv_t(M5_AT_PHNUM, elfObject->programHeaderCount()));
859 // This is the base address of the ELF interpreter; it should be
860 // zero for static executables or contain the base address for
861 // dynamic executables.
862 auxv.push_back(auxv_t(M5_AT_BASE, getBias()));
863 //XXX Figure out what this should be.
863 // XXX Figure out what this should be.
864 auxv.push_back(auxv_t(M5_AT_FLAGS, 0));
864 auxv.push_back(auxv_t(M5_AT_FLAGS, 0));
865 //The entry point to the program
865 // The entry point to the program
866 auxv.push_back(auxv_t(M5_AT_ENTRY, objFile->entryPoint()));
866 auxv.push_back(auxv_t(M5_AT_ENTRY, objFile->entryPoint()));
867 //Different user and group IDs
867 // Different user and group IDs
868 auxv.push_back(auxv_t(M5_AT_UID, uid()));
869 auxv.push_back(auxv_t(M5_AT_EUID, euid()));
870 auxv.push_back(auxv_t(M5_AT_GID, gid()));
871 auxv.push_back(auxv_t(M5_AT_EGID, egid()));
868 auxv.push_back(auxv_t(M5_AT_UID, uid()));
869 auxv.push_back(auxv_t(M5_AT_EUID, euid()));
870 auxv.push_back(auxv_t(M5_AT_GID, gid()));
871 auxv.push_back(auxv_t(M5_AT_EGID, egid()));
872 //Whether to enable "secure mode" in the executable
872 // Whether to enable "secure mode" in the executable
873 auxv.push_back(auxv_t(M5_AT_SECURE, 0));
873 auxv.push_back(auxv_t(M5_AT_SECURE, 0));
874 //The address of 16 "random" bytes.
874 // The address of 16 "random" bytes.
875 auxv.push_back(auxv_t(M5_AT_RANDOM, 0));
875 auxv.push_back(auxv_t(M5_AT_RANDOM, 0));
876 //The name of the program
876 // The name of the program
877 auxv.push_back(auxv_t(M5_AT_EXECFN, 0));
877 auxv.push_back(auxv_t(M5_AT_EXECFN, 0));
878 //The platform string
878 // The platform string
879 auxv.push_back(auxv_t(M5_AT_PLATFORM, 0));
880 }
881
879 auxv.push_back(auxv_t(M5_AT_PLATFORM, 0));
880 }
881
882 //Figure out how big the initial stack needs to be
882 // Figure out how big the initial stack needs to be
883
884 // A sentry NULL void pointer at the top of the stack.
885 int sentry_size = intSize;
886
883
884 // A sentry NULL void pointer at the top of the stack.
885 int sentry_size = intSize;
886
887 //This is the name of the file which is present on the initial stack
888 //It's purpose is to let the user space linker examine the original file.
887 // This is the name of the file which is present on the initial stack
888 // It's purpose is to let the user space linker examine the original file.
889 int file_name_size = filename.size() + 1;
890
891 const int numRandomBytes = 16;
892 int aux_data_size = numRandomBytes;
893
894 string platform = "x86_64";
895 aux_data_size += platform.size() + 1;
896
897 int env_data_size = 0;
898 for (int i = 0; i < envp.size(); ++i)
899 env_data_size += envp[i].size() + 1;
900 int arg_data_size = 0;
901 for (int i = 0; i < argv.size(); ++i)
902 arg_data_size += argv[i].size() + 1;
903
889 int file_name_size = filename.size() + 1;
890
891 const int numRandomBytes = 16;
892 int aux_data_size = numRandomBytes;
893
894 string platform = "x86_64";
895 aux_data_size += platform.size() + 1;
896
897 int env_data_size = 0;
898 for (int i = 0; i < envp.size(); ++i)
899 env_data_size += envp[i].size() + 1;
900 int arg_data_size = 0;
901 for (int i = 0; i < argv.size(); ++i)
902 arg_data_size += argv[i].size() + 1;
903
904 //The info_block needs to be padded so it's size is a multiple of the
905 //alignment mask. Also, it appears that there needs to be at least some
906 //padding, so if the size is already a multiple, we need to increase it
907 //anyway.
904 // The info_block needs to be padded so its size is a multiple of the
905 // alignment mask. Also, it appears that there needs to be at least some
906 // padding, so if the size is already a multiple, we need to increase it
907 // anyway.
908 int base_info_block_size =
909 sentry_size + file_name_size + env_data_size + arg_data_size;
910
911 int info_block_size = roundUp(base_info_block_size, align);
912
913 int info_block_padding = info_block_size - base_info_block_size;
914
908 int base_info_block_size =
909 sentry_size + file_name_size + env_data_size + arg_data_size;
910
911 int info_block_size = roundUp(base_info_block_size, align);
912
913 int info_block_padding = info_block_size - base_info_block_size;
914
915 //Each auxilliary vector is two 8 byte words
915 // Each auxiliary vector is two 8 byte words
916 int aux_array_size = intSize * 2 * (auxv.size() + 1);
917
918 int envp_array_size = intSize * (envp.size() + 1);
919 int argv_array_size = intSize * (argv.size() + 1);
920
921 int argc_size = intSize;
922
916 int aux_array_size = intSize * 2 * (auxv.size() + 1);
917
918 int envp_array_size = intSize * (envp.size() + 1);
919 int argv_array_size = intSize * (argv.size() + 1);
920
921 int argc_size = intSize;
922
923 //Figure out the size of the contents of the actual initial frame
923 // Figure out the size of the contents of the actual initial frame
924 int frame_size =
925 aux_array_size +
926 envp_array_size +
927 argv_array_size +
928 argc_size;
929
924 int frame_size =
925 aux_array_size +
926 envp_array_size +
927 argv_array_size +
928 argc_size;
929
930 //There needs to be padding after the auxiliary vector data so that the
931 //very bottom of the stack is aligned properly.
930 // There needs to be padding after the auxiliary vector data so that the
931 // very bottom of the stack is aligned properly.
932 int partial_size = frame_size + aux_data_size;
933 int aligned_partial_size = roundUp(partial_size, align);
934 int aux_padding = aligned_partial_size - partial_size;
935
936 int space_needed =
937 info_block_size +
938 aux_data_size +
939 aux_padding +

--- 37 unchanged lines hidden (view full) ---

977 DPRINTF(Stack, "0x%x - stack min\n", stack_min);
978
979 // write contents to stack
980
981 // figure out argc
982 IntType argc = argv.size();
983 IntType guestArgc = X86ISA::htog(argc);
984
932 int partial_size = frame_size + aux_data_size;
933 int aligned_partial_size = roundUp(partial_size, align);
934 int aux_padding = aligned_partial_size - partial_size;
935
936 int space_needed =
937 info_block_size +
938 aux_data_size +
939 aux_padding +

--- 37 unchanged lines hidden (view full) ---

977 DPRINTF(Stack, "0x%x - stack min\n", stack_min);
978
979 // write contents to stack
980
981 // figure out argc
982 IntType argc = argv.size();
983 IntType guestArgc = X86ISA::htog(argc);
984
985 //Write out the sentry void *
985 // Write out the sentry void *
986 IntType sentry_NULL = 0;
986 IntType sentry_NULL = 0;
987 initVirtMem.writeBlob(sentry_base,
988 (uint8_t*)&sentry_NULL, sentry_size);
987 initVirtMem.writeBlob(sentry_base, (uint8_t*)&sentry_NULL, sentry_size);
989
988
990 //Write the file name
989 // Write the file name
991 initVirtMem.writeString(file_name_base, filename.c_str());
992
990 initVirtMem.writeString(file_name_base, filename.c_str());
991
993 //Fix up the aux vectors which point to data
992 // Fix up the aux vectors which point to data
994 assert(auxv[auxv.size() - 3].a_type == M5_AT_RANDOM);
995 auxv[auxv.size() - 3].a_val = aux_data_base;
996 assert(auxv[auxv.size() - 2].a_type == M5_AT_EXECFN);
997 auxv[auxv.size() - 2].a_val = argv_array_base;
998 assert(auxv[auxv.size() - 1].a_type == M5_AT_PLATFORM);
999 auxv[auxv.size() - 1].a_val = aux_data_base + numRandomBytes;
1000
993 assert(auxv[auxv.size() - 3].a_type == M5_AT_RANDOM);
994 auxv[auxv.size() - 3].a_val = aux_data_base;
995 assert(auxv[auxv.size() - 2].a_type == M5_AT_EXECFN);
996 auxv[auxv.size() - 2].a_val = argv_array_base;
997 assert(auxv[auxv.size() - 1].a_type == M5_AT_PLATFORM);
998 auxv[auxv.size() - 1].a_val = aux_data_base + numRandomBytes;
999
1001 //Copy the aux stuff
1000
1001 // Copy the aux stuff
1002 for (int x = 0; x < auxv.size(); x++) {
1003 initVirtMem.writeBlob(auxv_array_base + x * 2 * intSize,
1004 (uint8_t*)&(auxv[x].a_type), intSize);
1005 initVirtMem.writeBlob(auxv_array_base + (x * 2 + 1) * intSize,
1006 (uint8_t*)&(auxv[x].a_val), intSize);
1007 }
1002 for (int x = 0; x < auxv.size(); x++) {
1003 initVirtMem.writeBlob(auxv_array_base + x * 2 * intSize,
1004 (uint8_t*)&(auxv[x].a_type), intSize);
1005 initVirtMem.writeBlob(auxv_array_base + (x * 2 + 1) * intSize,
1006 (uint8_t*)&(auxv[x].a_val), intSize);
1007 }
1008 //Write out the terminating zeroed auxilliary vector
1008 // Write out the terminating zeroed auxiliary vector
1009 const uint64_t zero = 0;
1010 initVirtMem.writeBlob(auxv_array_base + auxv.size() * 2 * intSize,
1011 (uint8_t*)&zero, intSize);
1012 initVirtMem.writeBlob(auxv_array_base + (auxv.size() * 2 + 1) * intSize,
1013 (uint8_t*)&zero, intSize);
1014
1015 initVirtMem.writeString(aux_data_base, platform.c_str());
1016
1017 copyStringArray(envp, envp_array_base, env_data_base, initVirtMem);
1018 copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem);
1019
1020 initVirtMem.writeBlob(argc_base, (uint8_t*)&guestArgc, intSize);
1021
1022 ThreadContext *tc = system->getThreadContext(contextIds[0]);
1009 const uint64_t zero = 0;
1010 initVirtMem.writeBlob(auxv_array_base + auxv.size() * 2 * intSize,
1011 (uint8_t*)&zero, intSize);
1012 initVirtMem.writeBlob(auxv_array_base + (auxv.size() * 2 + 1) * intSize,
1013 (uint8_t*)&zero, intSize);
1014
1015 initVirtMem.writeString(aux_data_base, platform.c_str());
1016
1017 copyStringArray(envp, envp_array_base, env_data_base, initVirtMem);
1018 copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem);
1019
1020 initVirtMem.writeBlob(argc_base, (uint8_t*)&guestArgc, intSize);
1021
1022 ThreadContext *tc = system->getThreadContext(contextIds[0]);
1023 //Set the stack pointer register
1023 // Set the stack pointer register
1024 tc->setIntReg(StackPointerReg, stack_min);
1025
1026 // There doesn't need to be any segment base added in since we're dealing
1027 // with the flat segmentation model.
1028 tc->pcState(getStartPC());
1029
1024 tc->setIntReg(StackPointerReg, stack_min);
1025
1026 // There doesn't need to be any segment base added in since we're dealing
1027 // with the flat segmentation model.
1028 tc->pcState(getStartPC());
1029
1030 //Align the "stack_min" to a page boundary.
1030 // Align the "stack_min" to a page boundary.
1031 memState->setStackMin(roundDown(stack_min, pageSize));
1032}
1033
1034void
1035X86_64Process::argsInit(int pageSize)
1036{
1037 std::vector<AuxVector<uint64_t> > extraAuxvs;
1038 extraAuxvs.push_back(AuxVector<uint64_t>(M5_AT_SYSINFO_EHDR,

--- 76 unchanged lines hidden --- 		1031 memState->setStackMin(roundDown(stack_min, pageSize));
1032}
1033
1034void
1035X86_64Process::argsInit(int pageSize)
1036{
1037 std::vector<AuxVector<uint64_t> > extraAuxvs;
1038 extraAuxvs.push_back(AuxVector<uint64_t>(M5_AT_SYSINFO_EHDR,

--- 76 unchanged lines hidden ---