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-rw-r--r--src/arch/alpha/freebsd/system.cc4
-rw-r--r--src/arch/alpha/linux/system.cc4
-rw-r--r--src/arch/alpha/system.cc4
-rw-r--r--src/arch/alpha/tru64/system.cc4
-rw-r--r--src/arch/sparc/system.cc4
-rw-r--r--src/dev/io_device.cc7
-rw-r--r--src/python/m5/objects/System.py3
-rw-r--r--src/sim/system.cc11
-rw-r--r--src/sim/system.hh3
9 files changed, 39 insertions, 5 deletions
diff --git a/src/arch/alpha/freebsd/system.cc b/src/arch/alpha/freebsd/system.cc
index 7cf68e0db..8d50e1612 100644
--- a/src/arch/alpha/freebsd/system.cc
+++ b/src/arch/alpha/freebsd/system.cc
@@ -97,6 +97,7 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(FreebsdAlphaSystem)
Param<Tick> boot_cpu_frequency;
SimObjectParam<PhysicalMemory *> physmem;
+ SimpleEnumParam<System::MemoryMode> mem_mode;
Param<string> kernel;
Param<string> console;
@@ -115,6 +116,8 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(FreebsdAlphaSystem)
INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"),
INIT_PARAM(physmem, "phsyical memory"),
+ INIT_ENUM_PARAM(mem_mode, "Memory Mode, (1=atomic, 2=timing)",
+ System::MemoryModeStrings),
INIT_PARAM(kernel, "file that contains the kernel code"),
INIT_PARAM(console, "file that contains the console code"),
INIT_PARAM(pal, "file that contains palcode"),
@@ -133,6 +136,7 @@ CREATE_SIM_OBJECT(FreebsdAlphaSystem)
p->name = getInstanceName();
p->boot_cpu_frequency = boot_cpu_frequency;
p->physmem = physmem;
+ p->mem_mode = mem_mode;
p->kernel_path = kernel;
p->console_path = console;
p->palcode = pal;
diff --git a/src/arch/alpha/linux/system.cc b/src/arch/alpha/linux/system.cc
index 9fe63c390..ef4e18cb5 100644
--- a/src/arch/alpha/linux/system.cc
+++ b/src/arch/alpha/linux/system.cc
@@ -191,6 +191,7 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(LinuxAlphaSystem)
Param<Tick> boot_cpu_frequency;
SimObjectParam<PhysicalMemory *> physmem;
+ SimpleEnumParam<System::MemoryMode> mem_mode;
Param<string> kernel;
Param<string> console;
@@ -209,6 +210,8 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(LinuxAlphaSystem)
INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"),
INIT_PARAM(physmem, "phsyical memory"),
+ INIT_ENUM_PARAM(mem_mode, "Memory Mode, (1=atomic, 2=timing)",
+ System::MemoryModeStrings),
INIT_PARAM(kernel, "file that contains the kernel code"),
INIT_PARAM(console, "file that contains the console code"),
INIT_PARAM(pal, "file that contains palcode"),
@@ -227,6 +230,7 @@ CREATE_SIM_OBJECT(LinuxAlphaSystem)
p->name = getInstanceName();
p->boot_cpu_frequency = boot_cpu_frequency;
p->physmem = physmem;
+ p->mem_mode = mem_mode;
p->kernel_path = kernel;
p->console_path = console;
p->palcode = pal;
diff --git a/src/arch/alpha/system.cc b/src/arch/alpha/system.cc
index dce7365aa..a7e615531 100644
--- a/src/arch/alpha/system.cc
+++ b/src/arch/alpha/system.cc
@@ -221,6 +221,7 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(AlphaSystem)
Param<Tick> boot_cpu_frequency;
SimObjectParam<PhysicalMemory *> physmem;
+ SimpleEnumParam<System::MemoryMode> mem_mode;
Param<std::string> kernel;
Param<std::string> console;
@@ -239,6 +240,8 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(AlphaSystem)
INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"),
INIT_PARAM(physmem, "phsyical memory"),
+ INIT_ENUM_PARAM(mem_mode, "Memory Mode, (1=atomic, 2=timing)",
+ System::MemoryModeStrings),
INIT_PARAM(kernel, "file that contains the kernel code"),
INIT_PARAM(console, "file that contains the console code"),
INIT_PARAM(pal, "file that contains palcode"),
@@ -257,6 +260,7 @@ CREATE_SIM_OBJECT(AlphaSystem)
p->name = getInstanceName();
p->boot_cpu_frequency = boot_cpu_frequency;
p->physmem = physmem;
+ p->mem_mode = mem_mode;
p->kernel_path = kernel;
p->console_path = console;
p->palcode = pal;
diff --git a/src/arch/alpha/tru64/system.cc b/src/arch/alpha/tru64/system.cc
index 6c0edc1ee..3ef1e4d3c 100644
--- a/src/arch/alpha/tru64/system.cc
+++ b/src/arch/alpha/tru64/system.cc
@@ -95,6 +95,7 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(Tru64AlphaSystem)
Param<Tick> boot_cpu_frequency;
SimObjectParam<PhysicalMemory *> physmem;
+ SimpleEnumParam<System::MemoryMode> mem_mode;
Param<string> kernel;
Param<string> console;
@@ -113,6 +114,8 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(Tru64AlphaSystem)
INIT_PARAM(boot_cpu_frequency, "frequency of the boot cpu"),
INIT_PARAM(physmem, "phsyical memory"),
+ INIT_ENUM_PARAM(mem_mode, "Memory Mode, (1=atomic, 2=timing)",
+ System::MemoryModeStrings),
INIT_PARAM(kernel, "file that contains the kernel code"),
INIT_PARAM(console, "file that contains the console code"),
INIT_PARAM(pal, "file that contains palcode"),
@@ -131,6 +134,7 @@ CREATE_SIM_OBJECT(Tru64AlphaSystem)
p->name = getInstanceName();
p->boot_cpu_frequency = boot_cpu_frequency;
p->physmem = physmem;
+ p->mem_mode = mem_mode;
p->kernel_path = kernel;
p->console_path = console;
p->palcode = pal;
diff --git a/src/arch/sparc/system.cc b/src/arch/sparc/system.cc
index e197e7918..63cbbe057 100644
--- a/src/arch/sparc/system.cc
+++ b/src/arch/sparc/system.cc
@@ -141,6 +141,7 @@ SparcSystem::unserialize(Checkpoint *cp, const std::string &section)
BEGIN_DECLARE_SIM_OBJECT_PARAMS(SparcSystem)
SimObjectParam<PhysicalMemory *> physmem;
+ SimpleEnumParam<System::MemoryMode> mem_mode;
Param<std::string> kernel;
Param<std::string> reset_bin;
@@ -161,6 +162,8 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(SparcSystem)
INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"),
INIT_PARAM(physmem, "phsyical memory"),
+ INIT_ENUM_PARAM(mem_mode, "Memory Mode, (1=atomic, 2=timing)",
+ System::MemoryModeStrings),
INIT_PARAM(kernel, "file that contains the kernel code"),
INIT_PARAM(reset_bin, "file that contains the reset code"),
INIT_PARAM(hypervisor_bin, "file that contains the hypervisor code"),
@@ -183,6 +186,7 @@ CREATE_SIM_OBJECT(SparcSystem)
p->name = getInstanceName();
p->boot_cpu_frequency = boot_cpu_frequency;
p->physmem = physmem;
+ p->mem_mode = mem_mode;
p->kernel_path = kernel;
p->reset_bin = reset_bin;
p->hypervisor_bin = hypervisor_bin;
diff --git a/src/dev/io_device.cc b/src/dev/io_device.cc
index ed2862065..660efabfd 100644
--- a/src/dev/io_device.cc
+++ b/src/dev/io_device.cc
@@ -287,6 +287,7 @@ DmaPort::sendDma(Packet *pkt, bool front)
// some kind of selction between access methods
// more work is going to have to be done to make
// switching actually work
+
System::MemoryMode state = sys->getMemoryMode();
if (state == System::Timing) {
DPRINTF(DMA, "Attempting to send Packet %#x with addr: %#x\n",
@@ -301,15 +302,15 @@ DmaPort::sendDma(Packet *pkt, bool front)
DPRINTF(DMA, "-- Done\n");
}
} else if (state == System::Atomic) {
- sendAtomic(pkt);
+ Tick lat;
+ lat = sendAtomic(pkt);
assert(pkt->senderState);
DmaReqState *state = dynamic_cast<DmaReqState*>(pkt->senderState);
assert(state);
state->numBytes += pkt->req->getSize();
if (state->totBytes == state->numBytes) {
- state->completionEvent->schedule(curTick +
- (pkt->time - pkt->req->getTime()) +1);
+ state->completionEvent->schedule(curTick + lat);
delete state;
delete pkt->req;
}
diff --git a/src/python/m5/objects/System.py b/src/python/m5/objects/System.py
index 9a1e1d690..386f39277 100644
--- a/src/python/m5/objects/System.py
+++ b/src/python/m5/objects/System.py
@@ -1,9 +1,12 @@
from m5 import build_env
from m5.config import *
+class MemoryMode(Enum): vals = ['invalid', 'atomic', 'timing']
+
class System(SimObject):
type = 'System'
physmem = Param.PhysicalMemory(Parent.any, "phsyical memory")
+ mem_mode = Param.MemoryMode('atomic', "The mode the memory system is in")
if build_env['FULL_SYSTEM']:
boot_cpu_frequency = Param.Frequency(Self.cpu[0].clock.frequency,
"boot processor frequency")
diff --git a/src/sim/system.cc b/src/sim/system.cc
index 2780d0fda..ad70b9b03 100644
--- a/src/sim/system.cc
+++ b/src/sim/system.cc
@@ -63,7 +63,7 @@ System::System(Params *p)
#else
page_ptr(0),
#endif
- _params(p)
+ memoryMode(p->mem_mode), _params(p)
{
// add self to global system list
systemList.push_back(this);
@@ -257,6 +257,9 @@ printSystems()
System::printSystems();
}
+const char *System::MemoryModeStrings[3] = {"invalid", "atomic",
+ "timing"};
+
#if FULL_SYSTEM
// In full system mode, only derived classes (e.g. AlphaLinuxSystem)
@@ -269,12 +272,15 @@ DEFINE_SIM_OBJECT_CLASS_NAME("System", System)
BEGIN_DECLARE_SIM_OBJECT_PARAMS(System)
SimObjectParam<PhysicalMemory *> physmem;
+ SimpleEnumParam<System::MemoryMode> mem_mode;
END_DECLARE_SIM_OBJECT_PARAMS(System)
BEGIN_INIT_SIM_OBJECT_PARAMS(System)
- INIT_PARAM(physmem, "physical memory")
+ INIT_PARAM(physmem, "physical memory"),
+ INIT_ENUM_PARAM(mem_mode, "Memory Mode, (1=atomic, 2=timing)",
+ System::MemoryModeStrings)
END_INIT_SIM_OBJECT_PARAMS(System)
@@ -283,6 +289,7 @@ CREATE_SIM_OBJECT(System)
System::Params *p = new System::Params;
p->name = getInstanceName();
p->physmem = physmem;
+ p->mem_mode = mem_mode;
return new System(p);
}
diff --git a/src/sim/system.hh b/src/sim/system.hh
index 77777aed4..a1b53c2eb 100644
--- a/src/sim/system.hh
+++ b/src/sim/system.hh
@@ -67,6 +67,8 @@ class System : public SimObject
Timing
};
+ static const char *MemoryModeStrings[3];
+
MemoryMode getMemoryMode() { assert(memoryMode); return memoryMode; }
@@ -170,6 +172,7 @@ class System : public SimObject
{
std::string name;
PhysicalMemory *physmem;
+ MemoryMode mem_mode;
#if FULL_SYSTEM
Tick boot_cpu_frequency;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 14:15:48 +0000