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-rw-r--r--src/sim/process.cc24
-rw-r--r--src/sim/process.hh13
-rw-r--r--src/sim/process_impl.hh8
-rw-r--r--src/sim/syscall_emul.cc22
-rw-r--r--src/sim/syscall_emul.hh42
-rw-r--r--src/sim/system.cc10
-rw-r--r--src/sim/system.hh14
-rw-r--r--src/sim/vptr.hh4
8 files changed, 70 insertions, 67 deletions
diff --git a/src/sim/process.cc b/src/sim/process.cc
index 8f3b3be79..39b2d0777 100644
--- a/src/sim/process.cc
+++ b/src/sim/process.cc
@@ -1,4 +1,16 @@
/*
+ * Copyright (c) 2012 ARM Limited
+ * 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) 2001-2005 The Regents of The University of Michigan
* All rights reserved.
*
@@ -43,7 +55,6 @@
#include "config/the_isa.hh"
#include "cpu/thread_context.hh"
#include "mem/page_table.hh"
-#include "mem/physical.hh"
#include "mem/se_translating_port_proxy.hh"
#include "params/LiveProcess.hh"
#include "params/Process.hh"
@@ -91,7 +102,11 @@ template struct AuxVector<uint64_t>;
Process::Process(ProcessParams * params)
: SimObject(params), system(params->system),
- max_stack_size(params->max_stack_size)
+ max_stack_size(params->max_stack_size),
+ M5_pid(system->allocatePID()),
+ pTable(new PageTable(name(), M5_pid)),
+ initVirtMem(system->getSystemPort(), this,
+ SETranslatingPortProxy::Always)
{
string in = params->input;
string out = params->output;
@@ -127,7 +142,6 @@ Process::Process(ProcessParams * params)
else
stderr_fd = Process::openOutputFile(err);
- M5_pid = system->allocatePID();
// initialize first 3 fds (stdin, stdout, stderr)
Process::FdMap *fdo = &fd_map[STDIN_FILENO];
fdo->fd = stdin_fd;
@@ -159,7 +173,6 @@ Process::Process(ProcessParams * params)
mmap_start = mmap_end = 0;
nxm_start = nxm_end = 0;
- pTable = new PageTable(name(), M5_pid);
// other parameters will be initialized when the program is loaded
}
@@ -233,9 +246,6 @@ Process::initState()
// mark this context as active so it will start ticking.
tc->activate(0);
-
- initVirtMem = new SETranslatingPortProxy(*system->getSystemPort(), this,
- SETranslatingPortProxy::Always);
}
// map simulator fd sim_fd to target fd tgt_fd
diff --git a/src/sim/process.hh b/src/sim/process.hh
index 17b530ab8..a5265f5b0 100644
--- a/src/sim/process.hh
+++ b/src/sim/process.hh
@@ -39,6 +39,7 @@
#include "base/statistics.hh"
#include "base/types.hh"
#include "config/the_isa.hh"
+#include "mem/se_translating_port_proxy.hh"
#include "sim/sim_object.hh"
#include "sim/syscallreturn.hh"
@@ -48,7 +49,6 @@ struct LiveProcessParams;
class SyscallDesc;
class System;
class ThreadContext;
-class SETranslatingPortProxy;
template<class IntType>
struct AuxVector
@@ -121,17 +121,14 @@ class Process : public SimObject
virtual void initState();
- protected:
- /// Memory object for initialization (image loading)
- SETranslatingPortProxy *initVirtMem;
-
public:
- PageTable *pTable;
//This id is assigned by m5 and is used to keep process' tlb entries
//separated.
uint64_t M5_pid;
+ PageTable* pTable;
+
class FdMap
{
public:
@@ -152,6 +149,10 @@ class Process : public SimObject
void unserialize(Checkpoint *cp, const std::string &section);
};
+ protected:
+ /// Memory proxy for initialization (image loading)
+ SETranslatingPortProxy initVirtMem;
+
private:
// file descriptor remapping support
static const int MAX_FD = 256; // max legal fd value
diff --git a/src/sim/process_impl.hh b/src/sim/process_impl.hh
index 0fb827498..b1905834b 100644
--- a/src/sim/process_impl.hh
+++ b/src/sim/process_impl.hh
@@ -43,21 +43,21 @@ template<class AddrType>
void
copyStringArray(std::vector<std::string> &strings,
AddrType array_ptr, AddrType data_ptr,
- SETranslatingPortProxy* memProxy)
+ SETranslatingPortProxy& memProxy)
{
AddrType data_ptr_swap;
for (std::vector<std::string>::size_type i = 0; i < strings.size(); ++i) {
data_ptr_swap = TheISA::htog(data_ptr);
- memProxy->writeBlob(array_ptr, (uint8_t*)&data_ptr_swap,
+ memProxy.writeBlob(array_ptr, (uint8_t*)&data_ptr_swap,
sizeof(AddrType));
- memProxy->writeString(data_ptr, strings[i].c_str());
+ memProxy.writeString(data_ptr, strings[i].c_str());
array_ptr += sizeof(AddrType);
data_ptr += strings[i].size() + 1;
}
// add NULL terminator
data_ptr = 0;
- memProxy->writeBlob(array_ptr, (uint8_t*)&data_ptr, sizeof(AddrType));
+ memProxy.writeBlob(array_ptr, (uint8_t*)&data_ptr, sizeof(AddrType));
}
#endif
diff --git a/src/sim/syscall_emul.cc b/src/sim/syscall_emul.cc
index dc8a9a5c8..9e53645f5 100644
--- a/src/sim/syscall_emul.cc
+++ b/src/sim/syscall_emul.cc
@@ -171,18 +171,18 @@ brkFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
// if the address is already there, zero it out
else {
uint8_t zero = 0;
- SETranslatingPortProxy *tp = tc->getMemProxy();
+ SETranslatingPortProxy &tp = tc->getMemProxy();
// split non-page aligned accesses
Addr next_page = roundUp(gen.addr(), VMPageSize);
uint32_t size_needed = next_page - gen.addr();
- tp->memsetBlob(gen.addr(), zero, size_needed);
+ tp.memsetBlob(gen.addr(), zero, size_needed);
if (gen.addr() + VMPageSize > next_page &&
next_page < new_brk &&
p->pTable->translate(next_page))
{
size_needed = VMPageSize - size_needed;
- tp->memsetBlob(next_page, zero, size_needed);
+ tp.memsetBlob(next_page, zero, size_needed);
}
}
}
@@ -358,7 +358,7 @@ readlinkFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
string path;
int index = 0;
- if (!tc->getMemProxy()->tryReadString(path, p->getSyscallArg(tc, index)))
+ if (!tc->getMemProxy().tryReadString(path, p->getSyscallArg(tc, index)))
return (TheISA::IntReg)-EFAULT;
// Adjust path for current working directory
@@ -382,7 +382,7 @@ unlinkFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
string path;
int index = 0;
- if (!tc->getMemProxy()->tryReadString(path, p->getSyscallArg(tc, index)))
+ if (!tc->getMemProxy().tryReadString(path, p->getSyscallArg(tc, index)))
return (TheISA::IntReg)-EFAULT;
// Adjust path for current working directory
@@ -399,7 +399,7 @@ mkdirFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
string path;
int index = 0;
- if (!tc->getMemProxy()->tryReadString(path, p->getSyscallArg(tc, index)))
+ if (!tc->getMemProxy().tryReadString(path, p->getSyscallArg(tc, index)))
return (TheISA::IntReg)-EFAULT;
// Adjust path for current working directory
@@ -417,12 +417,12 @@ renameFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
string old_name;
int index = 0;
- if (!tc->getMemProxy()->tryReadString(old_name, p->getSyscallArg(tc, index)))
+ if (!tc->getMemProxy().tryReadString(old_name, p->getSyscallArg(tc, index)))
return -EFAULT;
string new_name;
- if (!tc->getMemProxy()->tryReadString(new_name, p->getSyscallArg(tc, index)))
+ if (!tc->getMemProxy().tryReadString(new_name, p->getSyscallArg(tc, index)))
return -EFAULT;
// Adjust path for current working directory
@@ -439,7 +439,7 @@ truncateFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
string path;
int index = 0;
- if (!tc->getMemProxy()->tryReadString(path, p->getSyscallArg(tc, index)))
+ if (!tc->getMemProxy().tryReadString(path, p->getSyscallArg(tc, index)))
return -EFAULT;
off_t length = p->getSyscallArg(tc, index);
@@ -474,7 +474,7 @@ truncate64Func(SyscallDesc *desc, int num,
int index = 0;
string path;
- if (!tc->getMemProxy()->tryReadString(path, process->getSyscallArg(tc, index)))
+ if (!tc->getMemProxy().tryReadString(path, process->getSyscallArg(tc, index)))
return -EFAULT;
int64_t length = process->getSyscallArg(tc, index, 64);
@@ -527,7 +527,7 @@ chownFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
string path;
int index = 0;
- if (!tc->getMemProxy()->tryReadString(path, p->getSyscallArg(tc, index)))
+ if (!tc->getMemProxy().tryReadString(path, p->getSyscallArg(tc, index)))
return -EFAULT;
/* XXX endianess */
diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh
index ad00f6e3d..504add35f 100644
--- a/src/sim/syscall_emul.hh
+++ b/src/sim/syscall_emul.hh
@@ -121,18 +121,18 @@ class BaseBufferArg {
//
// copy data into simulator space (read from target memory)
//
- virtual bool copyIn(SETranslatingPortProxy* memproxy)
+ virtual bool copyIn(SETranslatingPortProxy &memproxy)
{
- memproxy->readBlob(addr, bufPtr, size);
+ memproxy.readBlob(addr, bufPtr, size);
return true; // no EFAULT detection for now
}
//
// copy data out of simulator space (write to target memory)
//
- virtual bool copyOut(SETranslatingPortProxy* memproxy)
+ virtual bool copyOut(SETranslatingPortProxy &memproxy)
{
- memproxy->writeBlob(addr, bufPtr, size);
+ memproxy.writeBlob(addr, bufPtr, size);
return true; // no EFAULT detection for now
}
@@ -464,7 +464,7 @@ convertStat64Buf(target_stat &tgt, host_stat64 *host, bool fakeTTY = false)
//Here are a couple convenience functions
template<class OS>
static void
-copyOutStatBuf(SETranslatingPortProxy* mem, Addr addr,
+copyOutStatBuf(SETranslatingPortProxy &mem, Addr addr,
hst_stat *host, bool fakeTTY = false)
{
typedef TypedBufferArg<typename OS::tgt_stat> tgt_stat_buf;
@@ -475,7 +475,7 @@ copyOutStatBuf(SETranslatingPortProxy* mem, Addr addr,
template<class OS>
static void
-copyOutStat64Buf(SETranslatingPortProxy* mem, Addr addr,
+copyOutStat64Buf(SETranslatingPortProxy &mem, Addr addr,
hst_stat64 *host, bool fakeTTY = false)
{
typedef TypedBufferArg<typename OS::tgt_stat64> tgt_stat_buf;
@@ -530,7 +530,7 @@ openFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
std::string path;
int index = 0;
- if (!tc->getMemProxy()->tryReadString(path,
+ if (!tc->getMemProxy().tryReadString(path,
process->getSyscallArg(tc, index)))
return -EFAULT;
@@ -608,7 +608,7 @@ chmodFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
std::string path;
int index = 0;
- if (!tc->getMemProxy()->tryReadString(path,
+ if (!tc->getMemProxy().tryReadString(path,
process->getSyscallArg(tc, index))) {
return -EFAULT;
}
@@ -714,7 +714,7 @@ statFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
std::string path;
int index = 0;
- if (!tc->getMemProxy()->tryReadString(path,
+ if (!tc->getMemProxy().tryReadString(path,
process->getSyscallArg(tc, index))) {
return -EFAULT;
}
@@ -744,7 +744,7 @@ stat64Func(SyscallDesc *desc, int callnum, LiveProcess *process,
std::string path;
int index = 0;
- if (!tc->getMemProxy()->tryReadString(path,
+ if (!tc->getMemProxy().tryReadString(path,
process->getSyscallArg(tc, index)))
return -EFAULT;
Addr bufPtr = process->getSyscallArg(tc, index);
@@ -809,7 +809,7 @@ lstatFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
std::string path;
int index = 0;
- if (!tc->getMemProxy()->tryReadString(path,
+ if (!tc->getMemProxy().tryReadString(path,
process->getSyscallArg(tc, index))) {
return -EFAULT;
}
@@ -838,7 +838,7 @@ lstat64Func(SyscallDesc *desc, int callnum, LiveProcess *process,
std::string path;
int index = 0;
- if (!tc->getMemProxy()->tryReadString(path,
+ if (!tc->getMemProxy().tryReadString(path,
process->getSyscallArg(tc, index))) {
return -EFAULT;
}
@@ -899,7 +899,7 @@ statfsFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
std::string path;
int index = 0;
- if (!tc->getMemProxy()->tryReadString(path,
+ if (!tc->getMemProxy().tryReadString(path,
process->getSyscallArg(tc, index))) {
return -EFAULT;
}
@@ -958,19 +958,19 @@ writevFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
return -EBADF;
}
- SETranslatingPortProxy *p = tc->getMemProxy();
+ SETranslatingPortProxy &p = tc->getMemProxy();
uint64_t tiov_base = process->getSyscallArg(tc, index);
size_t count = process->getSyscallArg(tc, index);
struct iovec hiov[count];
for (size_t i = 0; i < count; ++i) {
typename OS::tgt_iovec tiov;
- p->readBlob(tiov_base + i*sizeof(typename OS::tgt_iovec),
- (uint8_t*)&tiov, sizeof(typename OS::tgt_iovec));
+ p.readBlob(tiov_base + i*sizeof(typename OS::tgt_iovec),
+ (uint8_t*)&tiov, sizeof(typename OS::tgt_iovec));
hiov[i].iov_len = TheISA::gtoh(tiov.iov_len);
hiov[i].iov_base = new char [hiov[i].iov_len];
- p->readBlob(TheISA::gtoh(tiov.iov_base), (uint8_t *)hiov[i].iov_base,
- hiov[i].iov_len);
+ p.readBlob(TheISA::gtoh(tiov.iov_base), (uint8_t *)hiov[i].iov_base,
+ hiov[i].iov_len);
}
int result = writev(process->sim_fd(fd), hiov, count);
@@ -1136,7 +1136,7 @@ utimesFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
std::string path;
int index = 0;
- if (!tc->getMemProxy()->tryReadString(path,
+ if (!tc->getMemProxy().tryReadString(path,
process->getSyscallArg(tc, index))) {
return -EFAULT;
}
@@ -1255,8 +1255,8 @@ timeFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
if(taddr != 0) {
typename OS::time_t t = sec;
t = TheISA::htog(t);
- SETranslatingPortProxy *p = tc->getMemProxy();
- p->writeBlob(taddr, (uint8_t*)&t, (int)sizeof(typename OS::time_t));
+ SETranslatingPortProxy &p = tc->getMemProxy();
+ p.writeBlob(taddr, (uint8_t*)&t, (int)sizeof(typename OS::time_t));
}
return sec;
}
diff --git a/src/sim/system.cc b/src/sim/system.cc
index 1f7527426..36d4447ff 100644
--- a/src/sim/system.cc
+++ b/src/sim/system.cc
@@ -57,8 +57,6 @@
#include "debug/Loader.hh"
#include "debug/WorkItems.hh"
#include "kern/kernel_stats.hh"
-#include "mem/fs_translating_port_proxy.hh"
-#include "mem/mem_object.hh"
#include "mem/physical.hh"
#include "params/System.hh"
#include "sim/byteswap.hh"
@@ -79,6 +77,8 @@ System::System(Params *p)
_numContexts(0),
pagePtr(0),
init_param(p->init_param),
+ physProxy(_systemPort),
+ virtProxy(_systemPort),
loadAddrMask(p->load_addr_mask),
nextPID(0),
memoryMode(p->mem_mode),
@@ -106,12 +106,6 @@ System::System(Params *p)
kernelSymtab = new SymbolTable;
if (!debugSymbolTable)
debugSymbolTable = new SymbolTable;
-
- /**
- * Get a port proxy to memory
- */
- physProxy = new PortProxy(*getSystemPort());
- virtProxy = new FSTranslatingPortProxy(*getSystemPort());
}
// Get the generic system master IDs
diff --git a/src/sim/system.hh b/src/sim/system.hh
index 9d11132e5..dd122161d 100644
--- a/src/sim/system.hh
+++ b/src/sim/system.hh
@@ -56,20 +56,18 @@
#include "cpu/pc_event.hh"
#include "enums/MemoryMode.hh"
#include "kern/system_events.hh"
+#include "mem/fs_translating_port_proxy.hh"
#include "mem/mem_object.hh"
#include "mem/port.hh"
#include "params/System.hh"
class BaseCPU;
class BaseRemoteGDB;
-class FSTranslatingPortProxy;
class GDBListener;
class ObjectFile;
class PhysicalMemory;
class Platform;
-class PortProxy;
class ThreadContext;
-class VirtualPort;
class System : public MemObject
{
@@ -117,14 +115,14 @@ class System : public MemObject
virtual void init();
/**
- * Get a pointer to the system port that can be used by
+ * Get a reference to the system port that can be used by
* non-structural simulation objects like processes or threads, or
* external entities like loaders and debuggers, etc, to access
* the memory system.
*
- * @return a pointer to the system port we own
+ * @return a reference to the system port we own
*/
- Port* getSystemPort() { return &_systemPort; }
+ Port& getSystemPort() { return _systemPort; }
/**
* Additional function to return the Port of a memory object.
@@ -181,8 +179,8 @@ class System : public MemObject
/** Port to physical memory used for writing object files into ram at
* boot.*/
- PortProxy* physProxy;
- FSTranslatingPortProxy* virtProxy;
+ PortProxy physProxy;
+ FSTranslatingPortProxy virtProxy;
/** kernel symbol table */
SymbolTable *kernelSymtab;
diff --git a/src/sim/vptr.hh b/src/sim/vptr.hh
index eee575b6b..658959a90 100644
--- a/src/sim/vptr.hh
+++ b/src/sim/vptr.hh
@@ -71,8 +71,8 @@ class VPtr
if (!ptr)
return;
- FSTranslatingPortProxy* proxy = tc->getVirtProxy();
- proxy->readBlob(ptr, buffer, sizeof(T));
+ FSTranslatingPortProxy &proxy = tc->getVirtProxy();
+ proxy.readBlob(ptr, buffer, sizeof(T));
}
bool
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-18 04:06:37 +0000