/*
- * Copyright (c) 2011-2013 ARM Limited
+ * Copyright (c) 2011-2014 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* Rick Strong
*/
-#include "arch/isa_traits.hh"
#include "arch/remote_gdb.hh"
#include "arch/utility.hh"
-#include "arch/vtophys.hh"
#include "base/loader/object_file.hh"
#include "base/loader/symtab.hh"
#include "base/str.hh"
#include "base/trace.hh"
-#include "config/the_isa.hh"
#include "cpu/thread_context.hh"
#include "debug/Loader.hh"
#include "debug/WorkItems.hh"
-#include "kern/kernel_stats.hh"
#include "mem/abstract_mem.hh"
#include "mem/physical.hh"
#include "params/System.hh"
#include "sim/full_system.hh"
#include "sim/system.hh"
+/**
+ * To avoid linking errors with LTO, only include the header if we
+ * actually have a definition.
+ */
+#if THE_ISA != NULL_ISA
+#include "kern/kernel_stats.hh"
+#endif
+
using namespace std;
using namespace TheISA;
pagePtr(0),
init_param(p->init_param),
physProxy(_systemPort, p->cache_line_size),
+ kernelSymtab(nullptr),
+ kernel(nullptr),
loadAddrMask(p->load_addr_mask),
+ loadAddrOffset(p->load_offset),
nextPID(0),
physmem(name() + ".physmem", p->memories),
memoryMode(p->mem_mode),
if (params()->kernel == "") {
inform("No kernel set for full system simulation. "
"Assuming you know what you're doing\n");
-
- kernel = NULL;
} else {
// Get the kernel code
kernel = createObjectFile(params()->kernel);
threadContexts[id] = tc;
_numContexts++;
+#if THE_ISA != NULL_ISA
int port = getRemoteGDBPort();
if (port) {
RemoteGDB *rgdb = new RemoteGDB(this, tc);
remoteGDB[id] = rgdb;
}
+#endif
activeCpus.push_back(false);
* Load the kernel code into memory
*/
if (params()->kernel != "") {
- // Validate kernel mapping before loading binary
- if (!(isMemAddr(kernelStart & loadAddrMask) &&
- isMemAddr(kernelEnd & loadAddrMask))) {
- fatal("Kernel is mapped to invalid location (not memory). "
- "kernelStart 0x(%x) - kernelEnd 0x(%x)\n", kernelStart,
- kernelEnd);
+ if (params()->kernel_addr_check) {
+ // Validate kernel mapping before loading binary
+ if (!(isMemAddr((kernelStart & loadAddrMask) +
+ loadAddrOffset) &&
+ isMemAddr((kernelEnd & loadAddrMask) +
+ loadAddrOffset))) {
+ fatal("Kernel is mapped to invalid location (not memory). "
+ "kernelStart 0x(%x) - kernelEnd 0x(%x) %#x:%#x\n",
+ kernelStart,
+ kernelEnd, (kernelStart & loadAddrMask) +
+ loadAddrOffset,
+ (kernelEnd & loadAddrMask) + loadAddrOffset);
+ }
}
// Load program sections into memory
- kernel->loadSections(physProxy, loadAddrMask);
+ kernel->loadSections(physProxy, loadAddrMask, loadAddrOffset);
DPRINTF(Loader, "Kernel start = %#x\n", kernelStart);
DPRINTF(Loader, "Kernel end = %#x\n", kernelEnd);
Addr
System::allocPhysPages(int npages)
{
- Addr return_addr = pagePtr << LogVMPageSize;
+ Addr return_addr = pagePtr << PageShift;
pagePtr += npages;
- if ((pagePtr << LogVMPageSize) > physmem.totalSize())
+
+ Addr next_return_addr = pagePtr << PageShift;
+
+ AddrRange m5opRange(0xffff0000, 0xffffffff);
+ if (m5opRange.contains(next_return_addr)) {
+ warn("Reached m5ops MMIO region\n");
+ return_addr = 0xffffffff;
+ pagePtr = 0xffffffff >> PageShift;
+ }
+
+ if ((pagePtr << PageShift) > physmem.totalSize())
fatal("Out of memory, please increase size of physical memory.");
return return_addr;
}
Addr
System::freeMemSize() const
{
- return physmem.totalSize() - (pagePtr << LogVMPageSize);
+ return physmem.totalSize() - (pagePtr << PageShift);
}
bool
void
System::printSystems()
{
+ ios::fmtflags flags(cerr.flags());
+
vector<System *>::iterator i = systemList.begin();
vector<System *>::iterator end = systemList.end();
for (; i != end; ++i) {
System *sys = *i;
cerr << "System " << sys->name() << ": " << hex << sys << endl;
}
+
+ cerr.flags(flags);
}
void
// Otherwise objects will have sized their stat buckets and
// they will be too small
- if (Stats::enabled())
- fatal("Can't request a masterId after regStats(). \
- You must do so in init().\n");
+ if (Stats::enabled()) {
+ fatal("Can't request a masterId after regStats(). "
+ "You must do so in init().\n");
+ }
masterIds.push_back(master_name);
return masterIds[master_id];
}
-const char *System::MemoryModeStrings[4] = {"invalid", "atomic", "timing",
- "atomic_noncaching"};
-
System *
SystemParams::create()
{