mem-cache: Add multiple eviction stats

[gem5.git] / src / arch / arm / remote_gdb.cc

diff --git a/src/arch/arm/remote_gdb.cc b/src/arch/arm/remote_gdb.cc
index b0f6d8e5ede54db000f8d7057afe77e8d955fac9..ceb0ffafe9cb189e1c813738753043bb5e6810f5 100644 (file)
--- a/src/arch/arm/remote_gdb.cc
+++ b/src/arch/arm/remote_gdb.cc
@@ -1,7 +1,7 @@
 /*
  * Copyright 2015 LabWare
  * Copyright 2014 Google Inc.
- * Copyright (c) 2010, 2013 ARM Limited
+ * Copyright (c) 2010, 2013, 2016, 2018-2019 ARM Limited
  * All rights reserved
  *
  * The license below extends only to copyright in the software and shall
@@ -150,6 +150,12 @@
 #include "base/remote_gdb.hh"
 #include "base/socket.hh"
 #include "base/trace.hh"
+#include "blobs/gdb_xml_aarch64_core.hh"
+#include "blobs/gdb_xml_aarch64_fpu.hh"
+#include "blobs/gdb_xml_aarch64_target.hh"
+#include "blobs/gdb_xml_arm_core.hh"
+#include "blobs/gdb_xml_arm_target.hh"
+#include "blobs/gdb_xml_arm_vfpv3.hh"
 #include "cpu/static_inst.hh"
 #include "cpu/thread_context.hh"
 #include "cpu/thread_state.hh"
@@ -164,8 +170,8 @@
 using namespace std;
 using namespace ArmISA;
 
-RemoteGDB::RemoteGDB(System *_system, ThreadContext *tc)
-    : BaseRemoteGDB(_system, tc)
+RemoteGDB::RemoteGDB(System *_system, ThreadContext *tc, int _port)
+    : BaseRemoteGDB(_system, tc, _port), regCache32(this), regCache64(this)
 {
 }
 
@@ -177,7 +183,7 @@ RemoteGDB::acc(Addr va, size_t len)
 {
     if (FullSystem) {
         for (ChunkGenerator gen(va, len, PageBytes); !gen.done(); gen.next()) {
-            if (!virtvalid(context, gen.addr())) {
+            if (!virtvalid(context(), gen.addr())) {
                 DPRINTF(GDBAcc, "acc:   %#x mapping is invalid\n", va);
                 return false;
             }
@@ -186,12 +192,9 @@ RemoteGDB::acc(Addr va, size_t len)
         DPRINTF(GDBAcc, "acc:   %#x mapping is valid\n", va);
         return true;
     } else {
-        TlbEntry entry;
-        //Check to make sure the first byte is mapped into the processes address
-        //space.
-        if (context->getProcessPtr()->pTable->lookup(va, entry))
-            return true;
-        return false;
+        // Check to make sure the first byte is mapped into the processes
+        // address space.
+        return context()->getProcessPtr()->pTable->lookup(va) != nullptr;
     }
 }
 
@@ -206,12 +209,16 @@ RemoteGDB::AArch64GdbRegCache::getRegs(ThreadContext *context)
     r.pc = context->pcState().pc();
     r.cpsr = context->readMiscRegNoEffect(MISCREG_CPSR);
 
-    for (int i = 0; i < 32*4; i += 4) {
-        r.v[i + 0] = context->readFloatRegBits(i + 2);
-        r.v[i + 1] = context->readFloatRegBits(i + 3);
-        r.v[i + 2] = context->readFloatRegBits(i + 0);
-        r.v[i + 3] = context->readFloatRegBits(i + 1);
+    size_t base = 0;
+    for (int i = 0; i < NumVecV8ArchRegs; i++) {
+        auto v = (context->readVecReg(RegId(VecRegClass, i))).as<VecElem>();
+        for (size_t j = 0; j < NumVecElemPerNeonVecReg; j++) {
+            r.v[base] = v[j];
+            base++;
+        }
     }
+    r.fpsr = context->readMiscRegNoEffect(MISCREG_FPSR);
+    r.fpcr = context->readMiscRegNoEffect(MISCREG_FPCR);
 }
 
 void
@@ -221,19 +228,26 @@ RemoteGDB::AArch64GdbRegCache::setRegs(ThreadContext *context) const
 
     for (int i = 0; i < 31; ++i)
         context->setIntReg(INTREG_X0 + i, r.x[i]);
-    context->pcState(r.pc);
+    auto pc_state = context->pcState();
+    pc_state.set(r.pc);
+    context->pcState(pc_state);
     context->setMiscRegNoEffect(MISCREG_CPSR, r.cpsr);
     // Update the stack pointer. This should be done after
     // updating CPSR/PSTATE since that might affect how SPX gets
     // mapped.
     context->setIntReg(INTREG_SPX, r.spx);
 
-    for (int i = 0; i < 32*4; i += 4) {
-        context->setFloatRegBits(i + 2, r.v[i + 0]);
-        context->setFloatRegBits(i + 3, r.v[i + 1]);
-        context->setFloatRegBits(i + 0, r.v[i + 2]);
-        context->setFloatRegBits(i + 1, r.v[i + 3]);
+    size_t base = 0;
+    for (int i = 0; i < NumVecV8ArchRegs; i++) {
+        auto v = (context->getWritableVecReg(
+                RegId(VecRegClass, i))).as<VecElem>();
+        for (size_t j = 0; j < NumVecElemPerNeonVecReg; j++) {
+            v[j] = r.v[base];
+            base++;
+        }
     }
+    context->setMiscRegNoEffect(MISCREG_FPSR, r.fpsr);
+    context->setMiscRegNoEffect(MISCREG_FPCR, r.fpcr);
 }
 
 void
@@ -257,12 +271,13 @@ RemoteGDB::AArch32GdbRegCache::getRegs(ThreadContext *context)
     r.gpr[13] = context->readIntReg(INTREG_SP);
     r.gpr[14] = context->readIntReg(INTREG_LR);
     r.gpr[15] = context->pcState().pc();
+    r.cpsr = context->readMiscRegNoEffect(MISCREG_CPSR);
 
     // One day somebody will implement transfer of FPRs correctly.
-    for (int i=0; i<8*3; i++) r.fpr[i] = 0;
+    for (int i = 0; i < 32; i++)
+        r.fpr[i] = 0;
 
     r.fpscr = context->readMiscRegNoEffect(MISCREG_FPSCR);
-    r.cpsr = context->readMiscRegNoEffect(MISCREG_CPSR);
 }
 
 void
@@ -285,7 +300,9 @@ RemoteGDB::AArch32GdbRegCache::setRegs(ThreadContext *context) const
     context->setIntReg(INTREG_R12, r.gpr[12]);
     context->setIntReg(INTREG_SP, r.gpr[13]);
     context->setIntReg(INTREG_LR, r.gpr[14]);
-    context->pcState(r.gpr[15]);
+    auto pc_state = context->pcState();
+    pc_state.set(r.gpr[15]);
+    context->pcState(pc_state);
 
     // One day somebody will implement transfer of FPRs correctly.
 
@@ -293,11 +310,36 @@ RemoteGDB::AArch32GdbRegCache::setRegs(ThreadContext *context) const
     context->setMiscRegNoEffect(MISCREG_CPSR, r.cpsr);
 }
 
-RemoteGDB::BaseGdbRegCache*
+bool
+RemoteGDB::getXferFeaturesRead(const std::string &annex, std::string &output)
+{
+#define GDB_XML(x, s) \
+        { x, std::string(reinterpret_cast<const char *>(Blobs::s), \
+        Blobs::s ## _len) }
+    static const std::map<std::string, std::string> annexMap32{
+        GDB_XML("target.xml", gdb_xml_arm_target),
+        GDB_XML("arm-core.xml", gdb_xml_arm_core),
+        GDB_XML("arm-vfpv3.xml", gdb_xml_arm_vfpv3),
+    };
+    static const std::map<std::string, std::string> annexMap64{
+        GDB_XML("target.xml", gdb_xml_aarch64_target),
+        GDB_XML("aarch64-core.xml", gdb_xml_aarch64_core),
+        GDB_XML("aarch64-fpu.xml", gdb_xml_aarch64_fpu),
+    };
+#undef GDB_XML
+    auto& annexMap = inAArch64(context()) ? annexMap64 : annexMap32;
+    auto it = annexMap.find(annex);
+    if (it == annexMap.end())
+        return false;
+    output = it->second;
+    return true;
+}
+
+BaseGdbRegCache*
 RemoteGDB::gdbRegs()
 {
-    if (inAArch64(context))
-        return new AArch64GdbRegCache(this);
+    if (inAArch64(context()))
+        return &regCache64;
     else
-        return new AArch32GdbRegCache(this);
+        return &regCache32;
 }