diff options
Diffstat (limited to 'sim/process.cc')
| -rw-r--r-- | sim/process.cc | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/sim/process.cc b/sim/process.cc index 2eeb87234..80f787062 100644 --- a/sim/process.cc +++ b/sim/process.cc @@ -39,7 +39,7 @@ #include "config/full_system.hh" #include "cpu/exec_context.hh" #include "mem/page_table.hh" -#include "mem/memory.hh" +#include "mem/mem_object.hh" #include "mem/translating_port.hh" #include "sim/builder.hh" #include "sim/process.hh" @@ -149,13 +149,27 @@ Process::startup() if (execContexts.empty()) fatal("Process %s is not associated with any CPUs!\n", name()); - initVirtMem = new TranslatingPort((system->physmem->getPort("DCACHE"))->getPeer(), pTable); - // first exec context for this process... initialize & enable ExecContext *xc = execContexts[0]; // mark this context as active so it will start ticking. xc->activate(0); + + // Here we are grabbing the memory port of the CPU hosting the + // initial execution context for initialization. In the long run + // this is not what we want, since it means that all + // initialization accesses (e.g., loading object file sections) + // will be done a cache block at a time through the CPU's cache. + // We really want something more like: + // + // memport = system->physmem->getPort(); + // myPort.setPeer(memport); + // memport->setPeer(&myPort); + // initVirtMem = new TranslatingPort(myPort, pTable); + // + // but we need our own dummy port "myPort" that doesn't exist. + // In the short term it works just fine though. + initVirtMem = xc->getMemPort(); } void @@ -367,6 +381,7 @@ 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, |