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-rw-r--r--src/arch/alpha/ev5.cc6
-rw-r--r--src/arch/alpha/faults.cc33
-rw-r--r--src/arch/alpha/faults.hh23
-rw-r--r--src/arch/alpha/freebsd/system.cc4
-rw-r--r--src/arch/alpha/isa/decoder.isa10
-rw-r--r--src/arch/alpha/linux/system.cc7
-rw-r--r--src/arch/alpha/regfile.hh4
-rw-r--r--src/arch/alpha/system.cc5
-rw-r--r--src/arch/alpha/system.hh1
-rw-r--r--src/arch/alpha/tru64/system.cc4
10 files changed, 90 insertions, 7 deletions
diff --git a/src/arch/alpha/ev5.cc b/src/arch/alpha/ev5.cc
index 7d6894733..ae3b668ea 100644
--- a/src/arch/alpha/ev5.cc
+++ b/src/arch/alpha/ev5.cc
@@ -59,8 +59,12 @@ AlphaISA::initCPU(ThreadContext *tc, int cpuId)
tc->setIntReg(16, cpuId);
tc->setIntReg(0, cpuId);
- tc->setPC(tc->readMiscReg(IPR_PAL_BASE) + (new ResetFault)->vect());
+ AlphaFault *reset = new ResetFault;
+
+ tc->setPC(tc->readMiscReg(IPR_PAL_BASE) + reset->vect());
tc->setNextPC(tc->readPC() + sizeof(MachInst));
+
+ delete reset;
}
////////////////////////////////////////////////////////////////////////
diff --git a/src/arch/alpha/faults.cc b/src/arch/alpha/faults.cc
index 8493223ff..eef4361fd 100644
--- a/src/arch/alpha/faults.cc
+++ b/src/arch/alpha/faults.cc
@@ -35,6 +35,9 @@
#include "base/trace.hh"
#if FULL_SYSTEM
#include "arch/alpha/ev5.hh"
+#else
+#include "sim/process.hh"
+#include "mem/page_table.hh"
#endif
namespace AlphaISA
@@ -56,6 +59,12 @@ FaultName ArithmeticFault::_name = "arith";
FaultVect ArithmeticFault::_vect = 0x0501;
FaultStat ArithmeticFault::_count;
+#if !FULL_SYSTEM
+FaultName PageTableFault::_name = "page_table_fault";
+FaultVect PageTableFault::_vect = 0x0000;
+FaultStat PageTableFault::_count;
+#endif
+
FaultName InterruptFault::_name = "interrupt";
FaultVect InterruptFault::_vect = 0x0101;
FaultStat InterruptFault::_count;
@@ -173,6 +182,30 @@ void ItbFault::invoke(ThreadContext * tc)
AlphaFault::invoke(tc);
}
+#else //!FULL_SYSTEM
+
+void PageTableFault::invoke(ThreadContext *tc)
+{
+ Process *p = tc->getProcessPtr();
+
+ // address is higher than the stack region or in the current stack region
+ if (vaddr > p->stack_base || vaddr > p->stack_min)
+ FaultBase::invoke(tc);
+
+ // We've accessed the next page
+ if (vaddr > p->stack_min - PageBytes) {
+ warn("Increasing stack %#x:%#x to %#x:%#x because of access to %#x",
+ p->stack_min, p->stack_base, p->stack_min - PageBytes,
+ p->stack_base, vaddr);
+ p->stack_min -= PageBytes;
+ if (p->stack_base - p->stack_min > 8*1024*1024)
+ fatal("Over max stack size for one thread\n");
+ p->pTable->allocate(p->stack_min, PageBytes);
+ } else {
+ FaultBase::invoke(tc);
+ }
+}
+
#endif
} // namespace AlphaISA
diff --git a/src/arch/alpha/faults.hh b/src/arch/alpha/faults.hh
index f952cf9d6..11a568174 100644
--- a/src/arch/alpha/faults.hh
+++ b/src/arch/alpha/faults.hh
@@ -81,6 +81,29 @@ class AlignmentFault : public AlphaFault
bool isAlignmentFault() {return true;}
};
+#if !FULL_SYSTEM
+class PageTableFault : public AlphaFault
+{
+ private:
+ Addr vaddr;
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ PageTableFault(Addr va)
+ : vaddr(va) {}
+ FaultName name() {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+
+static inline Fault genPageTableFault(Addr va)
+{
+ return new PageTableFault(va);
+}
+#endif
+
static inline Fault genMachineCheckFault()
{
return new MachineCheckFault;
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/isa/decoder.isa b/src/arch/alpha/isa/decoder.isa
index fbdb119b6..f449d2d69 100644
--- a/src/arch/alpha/isa/decoder.isa
+++ b/src/arch/alpha/isa/decoder.isa
@@ -47,9 +47,11 @@ decode OPCODE default Unknown::unknown() {
0x23: ldt({{ Fa = Mem.df; }});
0x2a: ldl_l({{ Ra.sl = Mem.sl; }}, mem_flags = LOCKED);
0x2b: ldq_l({{ Ra.uq = Mem.uq; }}, mem_flags = LOCKED);
+#ifdef USE_COPY
0x20: MiscPrefetch::copy_load({{ EA = Ra; }},
{{ fault = xc->copySrcTranslate(EA); }},
inst_flags = [IsMemRef, IsLoad, IsCopy]);
+#endif
}
format LoadOrPrefetch {
@@ -69,9 +71,11 @@ decode OPCODE default Unknown::unknown() {
0x0f: stq_u({{ Mem.uq = Ra.uq; }}, {{ EA = (Rb + disp) & ~7; }});
0x26: sts({{ Mem.ul = t_to_s(Fa.uq); }});
0x27: stt({{ Mem.df = Fa; }});
+#ifdef USE_COPY
0x24: MiscPrefetch::copy_store({{ EA = Rb; }},
{{ fault = xc->copy(EA); }},
inst_flags = [IsMemRef, IsStore, IsCopy]);
+#endif
}
format StoreCond {
@@ -659,11 +663,11 @@ decode OPCODE default Unknown::unknown() {
0xe000: rc({{
Ra = xc->readIntrFlag();
xc->setIntrFlag(0);
- }}, IsNonSpeculative);
+ }}, IsNonSpeculative, IsUnverifiable);
0xf000: rs({{
Ra = xc->readIntrFlag();
xc->setIntrFlag(1);
- }}, IsNonSpeculative);
+ }}, IsNonSpeculative, IsUnverifiable);
}
#else
format FailUnimpl {
@@ -701,7 +705,7 @@ decode OPCODE default Unknown::unknown() {
}}, IsNonSpeculative);
0x83: callsys({{
xc->syscall(R0);
- }}, IsNonSpeculative);
+ }}, IsSerializeAfter, IsNonSpeculative);
// Read uniq reg into ABI return value register (r0)
0x9e: rduniq({{ R0 = Runiq; }}, IsIprAccess);
// Write uniq reg with value from ABI arg register (r16)
diff --git a/src/arch/alpha/linux/system.cc b/src/arch/alpha/linux/system.cc
index bb35f046d..ef4e18cb5 100644
--- a/src/arch/alpha/linux/system.cc
+++ b/src/arch/alpha/linux/system.cc
@@ -150,9 +150,6 @@ LinuxAlphaSystem::~LinuxAlphaSystem()
delete debugPrintkEvent;
delete idleStartEvent;
delete printThreadEvent;
- delete intStartEvent;
- delete intEndEvent;
- delete intEndEvent2;
}
@@ -194,6 +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;
@@ -212,6 +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"),
@@ -230,6 +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/regfile.hh b/src/arch/alpha/regfile.hh
index 1025412cd..9ecad6f42 100644
--- a/src/arch/alpha/regfile.hh
+++ b/src/arch/alpha/regfile.hh
@@ -112,6 +112,10 @@ namespace AlphaISA
lock_flag = 0;
lock_addr = 0;
}
+
+ void serialize(std::ostream &os);
+
+ void unserialize(Checkpoint *cp, const std::string &section);
#if FULL_SYSTEM
protected:
typedef uint64_t InternalProcReg;
diff --git a/src/arch/alpha/system.cc b/src/arch/alpha/system.cc
index 3aaba7d58..a7e615531 100644
--- a/src/arch/alpha/system.cc
+++ b/src/arch/alpha/system.cc
@@ -26,6 +26,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Ali Saidi
+ * Nathan Binkert
*/
#include "arch/alpha/ev5.hh"
@@ -220,6 +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;
@@ -238,6 +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"),
@@ -256,6 +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/system.hh b/src/arch/alpha/system.hh
index b26a5e301..0f4f64581 100644
--- a/src/arch/alpha/system.hh
+++ b/src/arch/alpha/system.hh
@@ -26,6 +26,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Ali Saidi
+ * Nathan Binkert
*/
#ifndef __ARCH_ALPHA_SYSTEM_HH__
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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-30 07:25:42 +0000