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-rw-r--r--arch/alpha/linux/process.cc2
-rw-r--r--arch/alpha/linux/process.hh7
-rw-r--r--arch/alpha/process.cc116
-rw-r--r--arch/alpha/process.hh29
-rw-r--r--arch/alpha/tru64/process.cc2
-rw-r--r--arch/alpha/tru64/process.hh6
-rw-r--r--arch/mips/isa_traits.hh1
-rw-r--r--arch/mips/linux_process.cc3
-rw-r--r--arch/mips/process.cc118
-rw-r--r--arch/mips/process.hh27
-rw-r--r--arch/sparc/isa/bitfields.isa2
-rw-r--r--arch/sparc/isa/decoder.isa18
-rw-r--r--arch/sparc/isa_traits.hh2
-rw-r--r--arch/sparc/linux/process.cc2
-rw-r--r--arch/sparc/linux/process.hh6
-rw-r--r--arch/sparc/process.cc116
-rw-r--r--arch/sparc/process.hh27
-rw-r--r--configs/test/test.py2
-rw-r--r--mem/port.hh1
-rw-r--r--python/m5/objects/Process.py9
-rw-r--r--sim/byteswap.hh4
-rw-r--r--sim/process.cc119
-rw-r--r--sim/process.hh12
-rw-r--r--sim/syscall_emul.cc15
-rw-r--r--sim/syscall_emul.hh13
25 files changed, 477 insertions, 182 deletions
diff --git a/arch/alpha/linux/process.cc b/arch/alpha/linux/process.cc
index 704773fdf..4bc283563 100644
--- a/arch/alpha/linux/process.cc
+++ b/arch/alpha/linux/process.cc
@@ -572,7 +572,7 @@ AlphaLinuxProcess::AlphaLinuxProcess(const std::string &name,
int stderr_fd,
std::vector<std::string> &argv,
std::vector<std::string> &envp)
- : LiveProcess(name, objFile, system, stdin_fd, stdout_fd,
+ : AlphaLiveProcess(name, objFile, system, stdin_fd, stdout_fd,
stderr_fd, argv, envp),
Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc))
{
diff --git a/arch/alpha/linux/process.hh b/arch/alpha/linux/process.hh
index 2cabc3f76..2e0566665 100644
--- a/arch/alpha/linux/process.hh
+++ b/arch/alpha/linux/process.hh
@@ -29,11 +29,12 @@
#ifndef __ALPHA_LINUX_PROCESS_HH__
#define __ALPHA_LINUX_PROCESS_HH__
-#include "sim/process.hh"
+#include "arch/alpha/process.hh"
+namespace AlphaISA {
/// A process with emulated Alpha/Linux syscalls.
-class AlphaLinuxProcess : public LiveProcess
+class AlphaLinuxProcess : public AlphaLiveProcess
{
public:
/// Constructor.
@@ -55,5 +56,5 @@ class AlphaLinuxProcess : public LiveProcess
const int Num_Syscall_Descs;
};
-
+} // namespace AlphaISA
#endif // __ALPHA_LINUX_PROCESS_HH__
diff --git a/arch/alpha/process.cc b/arch/alpha/process.cc
index 17a54ee80..25ee79692 100644
--- a/arch/alpha/process.cc
+++ b/arch/alpha/process.cc
@@ -26,21 +26,33 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+#include "arch/alpha/constants.hh"
#include "arch/alpha/process.hh"
#include "arch/alpha/linux/process.hh"
#include "arch/alpha/tru64/process.hh"
#include "base/loader/object_file.hh"
#include "base/misc.hh"
+#include "cpu/exec_context.hh"
+#include "sim/builder.hh"
+#include "sim/system.hh"
-namespace AlphaISA
-{
-LiveProcess *
-createProcess(const std::string &nm, ObjectFile * objFile, System *system,
- int stdin_fd, int stdout_fd, int stderr_fd,
+using namespace AlphaISA;
+using namespace std;
+
+AlphaLiveProcess *
+AlphaLiveProcess::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)
{
- LiveProcess * process = NULL;
+ AlphaLiveProcess *process = NULL;
+
+ ObjectFile *objFile = createObjectFile(executable);
+ if (objFile == NULL) {
+ fatal("Can't load object file %s", executable);
+ }
+
+
if (objFile->getArch() != ObjectFile::Alpha)
fatal("Object file does not match architecture.");
switch (objFile->getOpSys()) {
@@ -59,7 +71,97 @@ createProcess(const std::string &nm, ObjectFile * objFile, System *system,
default:
fatal("Unknown/unsupported operating system.");
}
+
+ if (process == NULL)
+ fatal("Unknown error creating process object.");
return process;
}
-} // namespace AlphaISA
+AlphaLiveProcess::AlphaLiveProcess(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)
+{
+ brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize();
+ brk_point = roundUp(brk_point, VMPageSize);
+
+ // Set up stack. On Alpha, stack goes below text section. This
+ // code should get moved to some architecture-specific spot.
+ stack_base = objFile->textBase() - (409600+4096);
+
+ // Set up region for mmaps. Tru64 seems to start just above 0 and
+ // grow up from there.
+ mmap_start = mmap_end = 0x10000;
+
+ // Set pointer for next thread stack. Reserve 8M for main stack.
+ next_thread_stack_base = stack_base - (8 * 1024 * 1024);
+
+}
+
+void
+AlphaLiveProcess::startup()
+{
+ argsInit(MachineBytes, VMPageSize);
+
+ execContexts[0]->setIntReg(GlobalPointerReg, objFile->globalPointer());
+}
+
+
+
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(AlphaLiveProcess)
+
+ VectorParam<string> cmd;
+ Param<string> executable;
+ Param<string> input;
+ Param<string> output;
+ VectorParam<string> env;
+ SimObjectParam<System *> system;
+
+END_DECLARE_SIM_OBJECT_PARAMS(AlphaLiveProcess)
+
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(AlphaLiveProcess)
+
+ 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(AlphaLiveProcess)
+
+
+CREATE_SIM_OBJECT(AlphaLiveProcess)
+{
+ 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 AlphaLiveProcess::create(getInstanceName(), system,
+ stdin_fd, stdout_fd, stderr_fd,
+ (string)executable == "" ? cmd[0] : executable,
+ cmd, env);
+}
+
+
+REGISTER_SIM_OBJECT("AlphaLiveProcess", AlphaLiveProcess)
+
diff --git a/arch/alpha/process.hh b/arch/alpha/process.hh
index 6d6585175..d97b36e2d 100644
--- a/arch/alpha/process.hh
+++ b/arch/alpha/process.hh
@@ -31,19 +31,34 @@
#include <string>
#include <vector>
+#include "sim/process.hh"
-class LiveProcess;
class ObjectFile;
class System;
-namespace AlphaISA
+
+class AlphaLiveProcess : public LiveProcess
{
+ protected:
+ AlphaLiveProcess(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);
+
+ 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 AlphaLiveProcess *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);
-LiveProcess *
-createProcess(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);
+};
-} // namespace AlphaISA
#endif // __ALPHA_PROCESS_HH__
diff --git a/arch/alpha/tru64/process.cc b/arch/alpha/tru64/process.cc
index be78cb96e..355d7f3e6 100644
--- a/arch/alpha/tru64/process.cc
+++ b/arch/alpha/tru64/process.cc
@@ -535,7 +535,7 @@ AlphaTru64Process::AlphaTru64Process(const std::string &name,
int stderr_fd,
std::vector<std::string> &argv,
std::vector<std::string> &envp)
- : LiveProcess(name, objFile, system, stdin_fd, stdout_fd,
+ : AlphaLiveProcess(name, objFile, system, stdin_fd, stdout_fd,
stderr_fd, argv, envp),
Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc)),
Num_Mach_Syscall_Descs(sizeof(machSyscallDescs) / sizeof(SyscallDesc))
diff --git a/arch/alpha/tru64/process.hh b/arch/alpha/tru64/process.hh
index 84abd54bf..1cde4cac0 100644
--- a/arch/alpha/tru64/process.hh
+++ b/arch/alpha/tru64/process.hh
@@ -29,10 +29,11 @@
#ifndef __ALPHA_TRU64_PROCESS_HH__
#define __ALPHA_TRU64_PROCESS_HH__
-#include "sim/process.hh"
+#include "arch/alpha/process.hh"
+namespace AlphaISA {
/// A process with emulated Alpha Tru64 syscalls.
-class AlphaTru64Process : public LiveProcess
+class AlphaTru64Process : public AlphaLiveProcess
{
public:
/// Constructor.
@@ -55,5 +56,6 @@ class AlphaTru64Process : public LiveProcess
virtual SyscallDesc* getDesc(int callnum);
};
+} // namespace AlphaISA
#endif // __ALPHA_TRU64_PROCESS_HH__
diff --git a/arch/mips/isa_traits.hh b/arch/mips/isa_traits.hh
index b4c7748ba..1a982c237 100644
--- a/arch/mips/isa_traits.hh
+++ b/arch/mips/isa_traits.hh
@@ -144,6 +144,7 @@ namespace MipsISA
const int BranchPredAddrShiftAmt = 2; // instructions are 4-byte aligned
+ const int MachineBytes = 4;
const int WordBytes = 4;
const int HalfwordBytes = 2;
const int ByteBytes = 1;
diff --git a/arch/mips/linux_process.cc b/arch/mips/linux_process.cc
index 318b7934a..93706d8aa 100644
--- a/arch/mips/linux_process.cc
+++ b/arch/mips/linux_process.cc
@@ -571,7 +571,8 @@ MipsLinuxProcess::MipsLinuxProcess(const std::string &name,
int stderr_fd,
std::vector<std::string> &argv,
std::vector<std::string> &envp)
- : LiveProcess(name, objFile, system, stdin_fd, stdout_fd, stderr_fd, argv, envp),
+ : MipsLiveProcess(name, objFile, system, stdin_fd, stdout_fd, stderr_fd,
+ argv, envp),
Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc))
{
//init_regs->intRegFile[0] = 0;
diff --git a/arch/mips/process.cc b/arch/mips/process.cc
index 37627ac31..3f24fc68f 100644
--- a/arch/mips/process.cc
+++ b/arch/mips/process.cc
@@ -26,27 +26,37 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+#include "arch/mips/isa_traits.hh"
#include "arch/mips/process.hh"
#include "arch/mips/linux_process.hh"
#include "base/loader/object_file.hh"
#include "base/misc.hh"
+#include "cpu/exec_context.hh"
+#include "sim/builder.hh"
+#include "sim/system.hh"
using namespace std;
+using namespace MipsISA;
-namespace MipsISA
-{
-LiveProcess *
-createProcess(const string &nm, ObjectFile * objFile, System * system,
- int stdin_fd, int stdout_fd, int stderr_fd,
- vector<string> &argv, vector<string> &envp)
+MipsLiveProcess *
+MipsLiveProcess::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)
{
- LiveProcess * process = NULL;
+ MipsLiveProcess *process = NULL;
+
+ ObjectFile *objFile = createObjectFile(executable);
+ if (objFile == NULL) {
+ fatal("Can't load object file %s", executable);
+ }
+
+
if (objFile->getArch() != ObjectFile::Mips)
fatal("Object file does not match architecture.");
switch (objFile->getOpSys()) {
case ObjectFile::Linux:
- process = new MipsLinuxProcess(nm, objFile,system,
+ process = new MipsLinuxProcess(nm, objFile, system,
stdin_fd, stdout_fd, stderr_fd,
argv, envp);
break;
@@ -54,8 +64,98 @@ createProcess(const string &nm, ObjectFile * objFile, System * system,
default:
fatal("Unknown/unsupported operating system.");
}
+
+ if (process == NULL)
+ fatal("Unknown error creating process object.");
return process;
}
-} // namespace MipsISA
+MipsLiveProcess::MipsLiveProcess(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 Alpha, stack goes below text section. This
+ // code should get moved to some architecture-specific spot.
+ stack_base = objFile->textBase() - (409600+4096);
+
+ // Set up region for mmaps. Tru64 seems to start just above 0 and
+ // grow up from there.
+ mmap_start = mmap_end = 0x10000;
+
+ // Set pointer for next thread stack. Reserve 8M for main stack.
+ next_thread_stack_base = stack_base - (8 * 1024 * 1024);
+
+}
+
+void
+MipsLiveProcess::startup()
+{
+ argsInit(MachineBytes, VMPageSize);
+}
+
+
+
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(MipsLiveProcess)
+
+ VectorParam<string> cmd;
+ Param<string> executable;
+ Param<string> input;
+ Param<string> output;
+ VectorParam<string> env;
+ SimObjectParam<System *> system;
+
+END_DECLARE_SIM_OBJECT_PARAMS(MipsLiveProcess)
+
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(MipsLiveProcess)
+
+ 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(MipsLiveProcess)
+
+
+CREATE_SIM_OBJECT(MipsLiveProcess)
+{
+ 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 MipsLiveProcess::create(getInstanceName(), system,
+ stdin_fd, stdout_fd, stderr_fd,
+ (string)executable == "" ? cmd[0] : executable,
+ cmd, env);
+}
+
+
+REGISTER_SIM_OBJECT("MipsLiveProcess", MipsLiveProcess)
+
diff --git a/arch/mips/process.hh b/arch/mips/process.hh
index 8f5d74d96..2a13dc955 100644
--- a/arch/mips/process.hh
+++ b/arch/mips/process.hh
@@ -31,19 +31,34 @@
#include <string>
#include <vector>
+#include "sim/process.hh"
class LiveProcess;
class ObjectFile;
class System;
-namespace MipsISA
+class MipsLiveProcess : public LiveProcess
{
+ protected:
+ MipsLiveProcess(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 *
-createProcess(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);
+ 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 MipsLiveProcess *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);
+
+};
-} // namespace MipsISA
#endif // __MIPS_PROCESS_HH__
diff --git a/arch/sparc/isa/bitfields.isa b/arch/sparc/isa/bitfields.isa
index b0ac57575..237f0fa64 100644
--- a/arch/sparc/isa/bitfields.isa
+++ b/arch/sparc/isa/bitfields.isa
@@ -46,5 +46,5 @@ def bitfield SHCNT64 <5:0>;
def bitfield SIMM10 <9:0>;
def bitfield SIMM11 <10:0>;
def bitfield SIMM13 <12:0>;
-def bitfield SW_TRAP <6:0>;
+def bitfield SW_TRAP <7:0>;
def bitfield X <12>;
diff --git a/arch/sparc/isa/decoder.isa b/arch/sparc/isa/decoder.isa
index eaf3aab3b..716653d84 100644
--- a/arch/sparc/isa/decoder.isa
+++ b/arch/sparc/isa/decoder.isa
@@ -532,12 +532,26 @@ decode OP default Trap::unknown({{IllegalInstruction}}) {
case 1: case 3:
throw illegal_instruction;
case 0:
+#if FULL_SYSTEM
+ throw trap_instruction;
+#else
if(passesCondition(xc->regs.MiscRegs.ccrFields.icc, machInst<25:28>))
- throw trap_instruction;
+ // At least glibc only uses trap 0,
+ // solaris/sunos may use others
+ assert((I ? Rs1 + Rs2 : Rs1 + SW_TRAP) == 0);
+ xc->syscall();
+#endif
break;
case 2:
+#if FULL_SYSTEM
+ throw trap_instruction;
+#else
if(passesCondition(xc->regs.MiscRegs.ccrFields.xcc, machInst<25:28>))
- throw trap_instruction;
+ // At least glibc only uses trap 0,
+ // solaris/sunos may use others
+ assert((I ? Rs1 + Rs2 : Rs1 + SW_TRAP) == 0);
+ xc->syscall();
+#endif
break;
}
}}); //Tcc
diff --git a/arch/sparc/isa_traits.hh b/arch/sparc/isa_traits.hh
index 3e7800910..ad8ae5c8d 100644
--- a/arch/sparc/isa_traits.hh
+++ b/arch/sparc/isa_traits.hh
@@ -106,6 +106,7 @@ namespace SparcISA
const int ArgumentReg3 = 11;
const int ArgumentReg4 = 12;
const int ArgumentReg5 = 13;
+ const int SyscallNumReg = 1;
// Some OS syscall sue a second register (o1) to return a second value
const int SyscallPseudoReturnReg = ArgumentReg1;
@@ -132,6 +133,7 @@ namespace SparcISA
const int BranchPredAddrShiftAmt = 2;
+ const int MachineBytes = 8;
const int WordBytes = 4;
const int HalfwordBytes = 2;
const int ByteBytes = 1;
diff --git a/arch/sparc/linux/process.cc b/arch/sparc/linux/process.cc
index 30c786ad3..cb056eadc 100644
--- a/arch/sparc/linux/process.cc
+++ b/arch/sparc/linux/process.cc
@@ -352,7 +352,7 @@ SparcLinuxProcess::SparcLinuxProcess(const std::string &name,
int stderr_fd,
std::vector<std::string> &argv,
std::vector<std::string> &envp)
- : LiveProcess(name, objFile, system,
+ : SparcLiveProcess(name, objFile, system,
stdin_fd, stdout_fd, stderr_fd, argv, envp),
Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc))
{
diff --git a/arch/sparc/linux/process.hh b/arch/sparc/linux/process.hh
index 36b2819da..1565ab549 100644
--- a/arch/sparc/linux/process.hh
+++ b/arch/sparc/linux/process.hh
@@ -29,11 +29,13 @@
#ifndef __SPARC_LINUX_PROCESS_HH__
#define __SPARC_LINUX_PROCESS_HH__
+#include "arch/sparc/process.hh"
#include "sim/process.hh"
+namespace SparcISA {
/// A process with emulated SPARC/Linux syscalls.
-class SparcLinuxProcess : public LiveProcess
+class SparcLinuxProcess : public SparcLiveProcess
{
public:
/// Constructor.
@@ -55,5 +57,5 @@ class SparcLinuxProcess : public LiveProcess
const int Num_Syscall_Descs;
};
-
+} // namespace SparcISA
#endif // __ALPHA_LINUX_PROCESS_HH__
diff --git a/arch/sparc/process.cc b/arch/sparc/process.cc
index 174df2be4..c7e08358d 100644
--- a/arch/sparc/process.cc
+++ b/arch/sparc/process.cc
@@ -26,22 +26,31 @@
* 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 "base/loader/object_file.hh"
#include "base/misc.hh"
+#include "cpu/exec_context.hh"
+#include "sim/builder.hh"
+#include "sim/system.hh"
using namespace std;
+using namespace SparcISA;
-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);
+ }
+
-LiveProcess *
-createProcess(const string &nm, ObjectFile * objFile, System * system,
- int stdin_fd, int stdout_fd, int stderr_fd,
- vector<string> &argv, vector<string> &envp)
-{
- LiveProcess * process = NULL;
if (objFile->getArch() != ObjectFile::SPARC)
fatal("Object file does not match architecture.");
switch (objFile->getOpSys()) {
@@ -55,7 +64,98 @@ createProcess(const string &nm, ObjectFile * objFile, System * system,
default:
fatal("Unknown/unsupported operating system.");
}
+
+ if (process == NULL)
+ fatal("Unknown error creating process object.");
return process;
}
-} // namespace SparcISA
+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 Alpha, stack goes below text section. This
+ // code should get moved to some architecture-specific spot.
+ stack_base = objFile->textBase() - (409600+4096);
+
+ // Set up region for mmaps. Tru64 seems to start just above 0 and
+ // grow up from there.
+ mmap_start = mmap_end = 0x10000;
+
+ // 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);
+}
+
+
+
+
+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/arch/sparc/process.hh b/arch/sparc/process.hh
index 1c2d86b6a..cc4d0ae0a 100644
--- a/arch/sparc/process.hh
+++ b/arch/sparc/process.hh
@@ -31,19 +31,32 @@
#include <string>
#include <vector>
+#include "sim/process.hh"
-class LiveProcess;
class ObjectFile;
class System;
-namespace SparcISA
+class SparcLiveProcess : public LiveProcess
{
+ protected:
+ 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 *
-createProcess(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);
+ void startup();
-} // namespace SparcISA
+ 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);
+
+};
#endif // __SPARC_PROCESS_HH__
diff --git a/configs/test/test.py b/configs/test/test.py
index 0982ba4f2..86a44313a 100644
--- a/configs/test/test.py
+++ b/configs/test/test.py
@@ -1,6 +1,6 @@
from m5 import *
-class HelloWorld(LiveProcess):
+class HelloWorld(AlphaLiveProcess):
executable = '../configs/test/hello'
cmd = 'hello'
diff --git a/mem/port.hh b/mem/port.hh
index ea2929a81..947e7896a 100644
--- a/mem/port.hh
+++ b/mem/port.hh
@@ -71,6 +71,7 @@ class Port
{
public:
+ virtual ~Port() {};
// mey be better to use subclasses & RTTI?
/** Holds the ports status. Keeps track if it is blocked, or has
calculated a range change. */
diff --git a/python/m5/objects/Process.py b/python/m5/objects/Process.py
index def70dbaa..60b00229e 100644
--- a/python/m5/objects/Process.py
+++ b/python/m5/objects/Process.py
@@ -12,6 +12,15 @@ class LiveProcess(Process):
env = VectorParam.String('', "environment settings")
input = Param.String('cin', "filename for stdin")
+class AlphaLiveProcess(LiveProcess):
+ type = 'AlphaLiveProcess'
+
+class SparcLiveProcess(LiveProcess):
+ type = 'SparcLiveProcess'
+
+class MipsLiveProcess(LiveProcess):
+ type = 'MipsLiveProcess'
+
class EioProcess(Process):
type = 'EioProcess'
chkpt = Param.String('', "EIO checkpoint file name (optional)")
diff --git a/sim/byteswap.hh b/sim/byteswap.hh
index c5d8801ab..cec11f15e 100644
--- a/sim/byteswap.hh
+++ b/sim/byteswap.hh
@@ -79,11 +79,11 @@ static inline uint64_t swap_byte(uint64_t x) {return swap_byte64(x);}
static inline int64_t swap_byte(int64_t x) {return swap_byte64((uint64_t)x);}
static inline uint32_t swap_byte(uint32_t x) {return swap_byte32(x);}
static inline int32_t swap_byte(int32_t x) {return swap_byte32((uint32_t)x);}
-#if defined(__APPLE__)
+//#if defined(__APPLE__)
static inline long swap_byte(long x) {return swap_byte32((long)x);}
static inline unsigned long swap_byte(unsigned long x)
{ return swap_byte32((unsigned long)x);}
-#endif
+//#endif
static inline uint16_t swap_byte(uint16_t x) {return swap_byte32(x);}
static inline int16_t swap_byte(int16_t x) {return swap_byte16((uint16_t)x);}
static inline uint8_t swap_byte(uint8_t x) {return x;}
diff --git a/sim/process.cc b/sim/process.cc
index 260abcfe2..7b27c4274 100644
--- a/sim/process.cc
+++ b/sim/process.cc
@@ -47,8 +47,6 @@
#include "sim/syscall_emul.hh"
#include "sim/system.hh"
-#include "arch/process.hh"
-
using namespace std;
using namespace TheISA;
@@ -279,20 +277,6 @@ LiveProcess::LiveProcess(const string &nm, ObjectFile *_objFile,
{
prog_fname = argv[0];
- brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize();
- brk_point = roundUp(brk_point, VMPageSize);
-
- // Set up stack. On Alpha, stack goes below text section. This
- // code should get moved to some architecture-specific spot.
- stack_base = objFile->textBase() - (409600+4096);
-
- // Set up region for mmaps. Tru64 seems to start just above 0 and
- // grow up from there.
- mmap_start = mmap_end = 0x10000;
-
- // Set pointer for next thread stack. Reserve 8M for main stack.
- next_thread_stack_base = stack_base - (8 * 1024 * 1024);
-
// load up symbols, if any... these may be used for debugging or
// profiling.
if (!debugSymbolTable) {
@@ -307,7 +291,7 @@ LiveProcess::LiveProcess(const string &nm, ObjectFile *_objFile,
}
void
-LiveProcess::startup()
+LiveProcess::argsInit(int intSize, int pageSize)
{
Process::startup();
@@ -315,8 +299,8 @@ LiveProcess::startup()
objFile->loadSections(initVirtMem);
// Calculate how much space we need for arg & env arrays.
- int argv_array_size = sizeof(Addr) * (argv.size() + 1);
- int envp_array_size = sizeof(Addr) * (envp.size() + 1);
+ int argv_array_size = intSize * (argv.size() + 1);
+ int envp_array_size = intSize * (envp.size() + 1);
int arg_data_size = 0;
for (int i = 0; i < argv.size(); ++i) {
arg_data_size += argv[i].size() + 1;
@@ -335,11 +319,11 @@ LiveProcess::startup()
// set bottom of stack
stack_min = stack_base - space_needed;
// align it
- stack_min &= ~7;
+ stack_min &= ~(intSize-1);
stack_size = stack_base - stack_min;
// map memory
- pTable->allocate(roundDown(stack_min, VMPageSize),
- roundUp(stack_size, VMPageSize));
+ pTable->allocate(roundDown(stack_min, pageSize),
+ roundUp(stack_size, pageSize));
// map out initial stack contents
Addr argv_array_base = stack_min + sizeof(uint64_t); // room for argc
@@ -349,8 +333,14 @@ LiveProcess::startup()
// write contents to stack
uint64_t argc = argv.size();
- argc = htog(argc);
- initVirtMem->writeBlob(stack_min, (uint8_t*)&argc, sizeof(uint64_t));
+ if (intSize == 8)
+ argc = htog((uint64_t)argc);
+ else if (intSize == 4)
+ argc = htog((uint32_t)argc);
+ else
+ panic("Unknown int size");
+
+ initVirtMem->writeBlob(stack_min, (uint8_t*)&argc, intSize);
copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem);
copyStringArray(envp, envp_array_base, env_data_base, initVirtMem);
@@ -358,7 +348,6 @@ LiveProcess::startup()
execContexts[0]->setIntReg(ArgumentReg0, argc);
execContexts[0]->setIntReg(ArgumentReg1, argv_array_base);
execContexts[0]->setIntReg(StackPointerReg, stack_min);
- execContexts[0]->setIntReg(GlobalPointerReg, objFile->globalPointer());
Addr prog_entry = objFile->entryPoint();
execContexts[0]->setPC(prog_entry);
@@ -382,82 +371,4 @@ LiveProcess::syscall(ExecContext *xc)
desc->doSyscall(callnum, this, xc);
}
-
-LiveProcess *
-LiveProcess::create(const string &nm, System *system,
- int stdin_fd, int stdout_fd, int stderr_fd,
- string executable,
- vector<string> &argv, vector<string> &envp)
-{
- LiveProcess *process = NULL;
- ObjectFile *objFile = createObjectFile(executable);
- if (objFile == NULL) {
- fatal("Can't load object file %s", executable);
- }
-
- // set up syscall emulation pointer for the current ISA
- process = createProcess(nm, objFile, system,
- stdin_fd, stdout_fd, stderr_fd,
- argv, envp);
-
- if (process == NULL)
- fatal("Unknown error creating process object.");
-
- return process;
-}
-
-
-
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(LiveProcess)
-
- VectorParam<string> cmd;
- Param<string> executable;
- Param<string> input;
- Param<string> output;
- VectorParam<string> env;
- SimObjectParam<System *> system;
-
-END_DECLARE_SIM_OBJECT_PARAMS(LiveProcess)
-
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(LiveProcess)
-
- 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(LiveProcess)
-
-
-CREATE_SIM_OBJECT(LiveProcess)
-{
- 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 LiveProcess::create(getInstanceName(), system,
- stdin_fd, stdout_fd, stderr_fd,
- (string)executable == "" ? cmd[0] : executable,
- cmd, env);
-}
-
-REGISTER_SIM_OBJECT("LiveProcess", LiveProcess)
+DEFINE_SIM_OBJECT_CLASS_NAME("LiveProcess", LiveProcess);
diff --git a/sim/process.hh b/sim/process.hh
index 68312f115..b5b9d18b3 100644
--- a/sim/process.hh
+++ b/sim/process.hh
@@ -174,19 +174,9 @@ class LiveProcess : public Process
std::vector<std::string> &argv,
std::vector<std::string> &envp);
- void startup();
+ void argsInit(int intSize, int pageSize);
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 LiveProcess *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);
-
virtual void syscall(ExecContext *xc);
virtual SyscallDesc* getDesc(int callnum) = 0;
diff --git a/sim/syscall_emul.cc b/sim/syscall_emul.cc
index 3dedb7c5e..d13591c06 100644
--- a/sim/syscall_emul.cc
+++ b/sim/syscall_emul.cc
@@ -33,9 +33,11 @@
#include <iostream>
#include "sim/syscall_emul.hh"
+#include "base/chunk_generator.hh"
#include "base/trace.hh"
#include "cpu/exec_context.hh"
#include "cpu/base.hh"
+#include "mem/page_table.hh"
#include "sim/process.hh"
#include "sim/sim_events.hh"
@@ -98,11 +100,18 @@ getpagesizeFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
SyscallReturn
obreakFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
{
+ Addr junk;
+
// change brk addr to first arg
Addr new_brk = xc->getSyscallArg(0);
- if (new_brk != 0)
- {
- p->brk_point = xc->getSyscallArg(0);
+ if (new_brk != 0) {
+ for (ChunkGenerator gen(p->brk_point, new_brk - p->brk_point,
+ VMPageSize); !gen.done(); gen.next()) {
+ if (!p->pTable->translate(gen.addr(), junk))
+ p->pTable->allocate(roundDown(gen.addr(), VMPageSize),
+ VMPageSize);
+ }
+ p->brk_point = new_brk;
}
DPRINTF(SyscallVerbose, "Break Point changed to: %#X\n", p->brk_point);
return p->brk_point;
diff --git a/sim/syscall_emul.hh b/sim/syscall_emul.hh
index 9554ab318..ae1196f03 100644
--- a/sim/syscall_emul.hh
+++ b/sim/syscall_emul.hh
@@ -45,13 +45,15 @@
#endif
#include <sys/uio.h>
-#include "base/intmath.hh" // for RoundUp
-#include "mem/translating_port.hh"
#include "arch/isa_traits.hh" // for Addr
+#include "base/chunk_generator.hh"
+#include "base/intmath.hh" // for RoundUp
#include "base/misc.hh"
#include "base/trace.hh"
-#include "cpu/exec_context.hh"
#include "cpu/base.hh"
+#include "cpu/exec_context.hh"
+#include "mem/translating_port.hh"
+#include "mem/page_table.hh"
#include "sim/process.hh"
///
@@ -698,10 +700,15 @@ mmapFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
int flags = xc->getSyscallArg(3);
// int fd = p->sim_fd(xc->getSyscallArg(4));
// int offset = xc->getSyscallArg(5);
+ Addr junk;
if (start == 0) {
// user didn't give an address... pick one from our "mmap region"
start = p->mmap_end;
+ for (ChunkGenerator gen(start, roundUp(length, TheISA::VMPageSize), TheISA::VMPageSize); !gen.done(); gen.next()) {
+ if (!p->pTable->translate(gen.addr(), junk))
+ p->pTable->allocate(roundDown(gen.addr(), TheISA::VMPageSize), TheISA::VMPageSize);
+ }
p->mmap_end += roundUp(length, TheISA::VMPageSize);
if (p->nxm_start != 0) {
//If we have an nxm space, make sure we haven't colided
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-30 22:34:47 +0000