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-rw-r--r--src/arch/sparc/process.cc146
1 files changed, 21 insertions, 125 deletions
diff --git a/src/arch/sparc/process.cc b/src/arch/sparc/process.cc
index 250c1bec4..75f01e038 100644
--- a/src/arch/sparc/process.cc
+++ b/src/arch/sparc/process.cc
@@ -24,60 +24,23 @@
* 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
+ * Ali Saidi
*/
#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 "cpu/thread_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,
@@ -110,36 +73,27 @@ SparcLiveProcess::startup()
//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);
+ threadContexts[0]->setMiscRegWithEffect(MISCREG_PSTATE, 0x02);
+
+ //Setup default FP state
+ threadContexts[0]->setMiscReg(MISCREG_FSR, 0);
+ threadContexts[0]->setMiscReg(MISCREG_TICK, 0);
+ //
/*
* Register window management registers
*/
//No windows contain info from other programs
- execContexts[0]->setMiscRegWithEffect(MISCREG_OTHERWIN, 0);
+ threadContexts[0]->setMiscRegWithEffect(MISCREG_OTHERWIN, 0);
//There are no windows to pop
- execContexts[0]->setMiscRegWithEffect(MISCREG_CANRESTORE, 0);
+ threadContexts[0]->setMiscRegWithEffect(MISCREG_CANRESTORE, 0);
//All windows are available to save into
- execContexts[0]->setMiscRegWithEffect(MISCREG_CANSAVE, NWindows - 2);
+ threadContexts[0]->setMiscRegWithEffect(MISCREG_CANSAVE, NWindows - 2);
//All windows are "clean"
- execContexts[0]->setMiscRegWithEffect(MISCREG_CLEANWIN, NWindows);
+ threadContexts[0]->setMiscRegWithEffect(MISCREG_CLEANWIN, NWindows);
//Start with register window 0
- execContexts[0]->setMiscRegWithEffect(MISCREG_CWP, 0);
+ threadContexts[0]->setMiscRegWithEffect(MISCREG_CWP, 0);
}
m5_auxv_t buildAuxVect(int64_t type, int64_t val)
@@ -317,72 +271,14 @@ SparcLiveProcess::argsInit(int intSize, int pageSize)
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);
+ threadContexts[0]->setIntReg(ArgumentReg0, argc);
+ threadContexts[0]->setIntReg(ArgumentReg1, argv_array_base);
+ threadContexts[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)));
+ threadContexts[0]->setPC(prog_entry);
+ threadContexts[0]->setNextPC(prog_entry + sizeof(MachInst));
+ threadContexts[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)
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-12 02:51:42 +0000