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-rw-r--r--src/arch/sparc/isa/decoder.isa211
-rw-r--r--src/arch/sparc/isa/formats/branch.isa10
-rw-r--r--src/arch/sparc/isa/formats/mem/util.isa4
-rw-r--r--src/arch/sparc/linux/syscalls.cc12
-rw-r--r--src/arch/sparc/miscregfile.cc7
-rw-r--r--src/arch/sparc/predecoder.hh113
-rw-r--r--src/arch/sparc/ua2005.cc9
-rw-r--r--src/arch/sparc/utility.hh16
8 files changed, 333 insertions, 49 deletions
diff --git a/src/arch/sparc/isa/decoder.isa b/src/arch/sparc/isa/decoder.isa
index 70afe19b6..68b2183ad 100644
--- a/src/arch/sparc/isa/decoder.isa
+++ b/src/arch/sparc/isa/decoder.isa
@@ -185,25 +185,25 @@ decode OP default Unknown::unknown()
}}, ',a');
}
default: decode BPCC {
- 0x0: fbpcc0(22, {{
+ 0x0: fbpfcc0(19, {{
if(passesFpCondition(Fsr<11:10>, COND2))
NNPC = xc->readPC() + disp;
else
handle_annul
}});
- 0x1: fbpcc1(22, {{
+ 0x1: fbpfcc1(19, {{
if(passesFpCondition(Fsr<33:32>, COND2))
NNPC = xc->readPC() + disp;
else
handle_annul
}});
- 0x2: fbpcc2(22, {{
+ 0x2: fbpfcc2(19, {{
if(passesFpCondition(Fsr<35:34>, COND2))
NNPC = xc->readPC() + disp;
else
handle_annul
}});
- 0x3: fbpcc3(22, {{
+ 0x3: fbpfcc3(19, {{
if(passesFpCondition(Fsr<37:36>, COND2))
NNPC = xc->readPC() + disp;
else
@@ -426,19 +426,22 @@ decode OP default Unknown::unknown()
{{Rs1<63:> == val2<63:> && val2<63:> != resTemp<63:>}}
);
0x24: mulscc({{
- int64_t resTemp, multiplicand = Rs2_or_imm13;
- int32_t multiplier = Rs1<31:0>;
int32_t savedLSB = Rs1<0:>;
- multiplier = multiplier<31:1> |
- ((Ccr<3:3> ^ Ccr<1:1>) << 32);
- if(!Y<0:>)
- multiplicand = 0;
- Rd = resTemp = multiplicand + multiplier;
+
+ //Step 1
+ int64_t multiplicand = Rs2_or_imm13;
+ //Step 2
+ int32_t partialP = Rs1<31:1> |
+ ((Ccr<3:3> ^ Ccr<1:1>) << 31);
+ //Step 3
+ int32_t added = Y<0:> ? multiplicand : 0;
+ Rd = partialP + added;
+ //Steps 4 & 5
Y = Y<31:1> | (savedLSB << 31);}},
- {{((multiplicand<31:0> + multiplier<31:0>)<32:0>)}},
- {{multiplicand<31:> == multiplier<31:> && multiplier<31:> != resTemp<31:>}},
- {{((multiplicand >> 1) + (multiplier >> 1) + (multiplicand & multiplier & 0x1))<63:>}},
- {{multiplicand<63:> == multiplier<63:> && multiplier<63:> != resTemp<63:>}}
+ {{((partialP<31:0> + added<31:0>)<32:0>)}},
+ {{partialP<31:> == added<31:> && added<31:> != Rd<31:>}},
+ {{((partialP >> 1) + (added >> 1) + (partialP & added & 0x1))<63:>}},
+ {{partialP<63:> == added<63:> && partialP<63:> != Rd<63:>}}
);
}
format IntOp
@@ -816,6 +819,58 @@ decode OP default Unknown::unknown()
}
0x35: decode OPF{
format FpBasic{
+ 0x01: fmovs_fcc0({{
+ if(passesFpCondition(Fsr<11:10>, COND4))
+ Frds = Frs2s;
+ else
+ Frds = Frds;
+ }});
+ 0x02: fmovd_fcc0({{
+ if(passesFpCondition(Fsr<11:10>, COND4))
+ Frd = Frs2;
+ else
+ Frd = Frd;
+ }});
+ 0x03: FpUnimpl::fmovq_fcc0();
+ 0x25: fmovrsz({{
+ if(Rs1 == 0)
+ Frds = Frs2s;
+ else
+ Frds = Frds;
+ }});
+ 0x26: fmovrdz({{
+ if(Rs1 == 0)
+ Frd = Frs2;
+ else
+ Frd = Frd;
+ }});
+ 0x27: FpUnimpl::fmovrqz();
+ 0x41: fmovs_fcc1({{
+ if(passesFpCondition(Fsr<33:32>, COND4))
+ Frds = Frs2s;
+ else
+ Frds = Frds;
+ }});
+ 0x42: fmovd_fcc1({{
+ if(passesFpCondition(Fsr<33:32>, COND4))
+ Frd = Frs2;
+ else
+ Frd = Frd;
+ }});
+ 0x43: FpUnimpl::fmovq_fcc1();
+ 0x45: fmovrslez({{
+ if(Rs1 <= 0)
+ Frds = Frs2s;
+ else
+ Frds = Frds;
+ }});
+ 0x46: fmovrdlez({{
+ if(Rs1 <= 0)
+ Frd = Frs2;
+ else
+ Frd = Frd;
+ }});
+ 0x47: FpUnimpl::fmovrqlez();
0x51: fcmps({{
uint8_t fcc;
if(isnan(Frs1s) || isnan(Frs2s))
@@ -874,6 +929,110 @@ decode OP default Unknown::unknown()
Fsr = insertBits(Fsr, firstbit +1, firstbit, fcc);
}});
0x57: FpUnimpl::fcmpeq();
+ 0x65: fmovrslz({{
+ if(Rs1 < 0)
+ Frds = Frs2s;
+ else
+ Frds = Frds;
+ }});
+ 0x66: fmovrdlz({{
+ if(Rs1 < 0)
+ Frd = Frs2;
+ else
+ Frd = Frd;
+ }});
+ 0x67: FpUnimpl::fmovrqlz();
+ 0x81: fmovs_fcc2({{
+ if(passesFpCondition(Fsr<35:34>, COND4))
+ Frds = Frs2s;
+ else
+ Frds = Frds;
+ }});
+ 0x82: fmovd_fcc2({{
+ if(passesFpCondition(Fsr<35:34>, COND4))
+ Frd = Frs2;
+ else
+ Frd = Frd;
+ }});
+ 0x83: FpUnimpl::fmovq_fcc2();
+ 0xA5: fmovrsnz({{
+ if(Rs1 != 0)
+ Frds = Frs2s;
+ else
+ Frds = Frds;
+ }});
+ 0xA6: fmovrdnz({{
+ if(Rs1 != 0)
+ Frd = Frs2;
+ else
+ Frd = Frd;
+ }});
+ 0xA7: FpUnimpl::fmovrqnz();
+ 0xC1: fmovs_fcc3({{
+ if(passesFpCondition(Fsr<37:36>, COND4))
+ Frds = Frs2s;
+ else
+ Frds = Frds;
+ }});
+ 0xC2: fmovd_fcc3({{
+ if(passesFpCondition(Fsr<37:36>, COND4))
+ Frd = Frs2;
+ else
+ Frd = Frd;
+ }});
+ 0xC3: FpUnimpl::fmovq_fcc3();
+ 0xC5: fmovrsgz({{
+ if(Rs1 > 0)
+ Frds = Frs2s;
+ else
+ Frds = Frds;
+ }});
+ 0xC6: fmovrdgz({{
+ if(Rs1 > 0)
+ Frd = Frs2;
+ else
+ Frd = Frd;
+ }});
+ 0xC7: FpUnimpl::fmovrqgz();
+ 0xE5: fmovrsgez({{
+ if(Rs1 >= 0)
+ Frds = Frs2s;
+ else
+ Frds = Frds;
+ }});
+ 0xE6: fmovrdgez({{
+ if(Rs1 >= 0)
+ Frd = Frs2;
+ else
+ Frd = Frd;
+ }});
+ 0xE7: FpUnimpl::fmovrqgez();
+ 0x101: fmovs_icc({{
+ if(passesCondition(Ccr<3:0>, COND4))
+ Frds = Frs2s;
+ else
+ Frds = Frds;
+ }});
+ 0x102: fmovd_icc({{
+ if(passesCondition(Ccr<3:0>, COND4))
+ Frd = Frs2;
+ else
+ Frd = Frd;
+ }});
+ 0x103: FpUnimpl::fmovq_icc();
+ 0x181: fmovs_xcc({{
+ if(passesCondition(Ccr<7:4>, COND4))
+ Frds = Frs2s;
+ else
+ Frds = Frds;
+ }});
+ 0x182: fmovd_xcc({{
+ if(passesCondition(Ccr<7:4>, COND4))
+ Frd = Frs2;
+ else
+ Frd = Frd;
+ }});
+ 0x183: FpUnimpl::fmovq_xcc();
default: FailUnimpl::fpop2();
}
}
@@ -1164,7 +1323,16 @@ decode OP default Unknown::unknown()
0x04: stw({{Mem.uw = Rd.sw;}});
0x05: stb({{Mem.ub = Rd.sb;}});
0x06: sth({{Mem.uhw = Rd.shw;}});
- 0x07: sttw({{Mem.udw = RdLow<31:0> | (RdHigh<31:0> << 32);}});
+ 0x07: sttw({{
+ //This temporary needs to be here so that the parser
+ //will correctly identify this instruction as a store.
+ //It's probably either the parenthesis or referencing
+ //the member variable that throws confuses it.
+ Twin32_t temp;
+ temp.a = RdLow<31:0>;
+ temp.b = RdHigh<31:0>;
+ Mem.tuw = temp;
+ }});
}
format Load {
0x08: ldsw({{Rd = (int32_t)Mem.sw;}});
@@ -1254,7 +1422,16 @@ decode OP default Unknown::unknown()
0x14: stwa({{Mem.uw = Rd;}}, {{EXT_ASI}});
0x15: stba({{Mem.ub = Rd;}}, {{EXT_ASI}});
0x16: stha({{Mem.uhw = Rd;}}, {{EXT_ASI}});
- 0x17: sttwa({{Mem.udw = RdLow<31:0> | RdHigh<31:0> << 32;}}, {{EXT_ASI}});
+ 0x17: sttwa({{
+ //This temporary needs to be here so that the parser
+ //will correctly identify this instruction as a store.
+ //It's probably either the parenthesis or referencing
+ //the member variable that throws confuses it.
+ Twin32_t temp;
+ temp.a = RdLow<31:0>;
+ temp.b = RdHigh<31:0>;
+ Mem.tuw = temp;
+ }}, {{EXT_ASI}});
}
format LoadAlt {
0x18: ldswa({{Rd = (int32_t)Mem.sw;}}, {{EXT_ASI}});
diff --git a/src/arch/sparc/isa/formats/branch.isa b/src/arch/sparc/isa/formats/branch.isa
index 5cd3ab598..f5ab940bb 100644
--- a/src/arch/sparc/isa/formats/branch.isa
+++ b/src/arch/sparc/isa/formats/branch.isa
@@ -40,7 +40,7 @@ output header {{
{
protected:
// Constructor
- Branch(const char *mnem, MachInst _machInst, OpClass __opClass) :
+ Branch(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
SparcStaticInst(mnem, _machInst, __opClass)
{
}
@@ -56,7 +56,7 @@ output header {{
{
protected:
// Constructor
- BranchDisp(const char *mnem, MachInst _machInst,
+ BranchDisp(const char *mnem, ExtMachInst _machInst,
OpClass __opClass) :
Branch(mnem, _machInst, __opClass)
{
@@ -76,7 +76,7 @@ output header {{
{
protected:
// Constructor
- BranchNBits(const char *mnem, MachInst _machInst,
+ BranchNBits(const char *mnem, ExtMachInst _machInst,
OpClass __opClass) :
BranchDisp(mnem, _machInst, __opClass)
{
@@ -91,7 +91,7 @@ output header {{
{
protected:
// Constructor
- BranchSplit(const char *mnem, MachInst _machInst,
+ BranchSplit(const char *mnem, ExtMachInst _machInst,
OpClass __opClass) :
BranchDisp(mnem, _machInst, __opClass)
{
@@ -107,7 +107,7 @@ output header {{
{
protected:
// Constructor
- BranchImm13(const char *mnem, MachInst _machInst, OpClass __opClass) :
+ BranchImm13(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
Branch(mnem, _machInst, __opClass), imm(sext<13>(SIMM13))
{
}
diff --git a/src/arch/sparc/isa/formats/mem/util.isa b/src/arch/sparc/isa/formats/mem/util.isa
index 1d884d6c3..dfe937371 100644
--- a/src/arch/sparc/isa/formats/mem/util.isa
+++ b/src/arch/sparc/isa/formats/mem/util.isa
@@ -224,7 +224,7 @@ def template StoreExecute {{
}
if(storeCond && fault == NoFault)
{
- fault = xc->write((uint%(mem_acc_size)s_t)Mem,
+ fault = xc->write((%(mem_acc_type)s%(mem_acc_size)s_t)Mem,
EA, %(asi_val)s, 0);
}
if(fault == NoFault)
@@ -257,7 +257,7 @@ def template StoreInitiateAcc {{
}
if(storeCond && fault == NoFault)
{
- fault = xc->write((uint%(mem_acc_size)s_t)Mem,
+ fault = xc->write((%(mem_acc_type)s%(mem_acc_size)s_t)Mem,
EA, %(asi_val)s, 0);
}
if(fault == NoFault)
diff --git a/src/arch/sparc/linux/syscalls.cc b/src/arch/sparc/linux/syscalls.cc
index 2c2902f9e..03c8bafe2 100644
--- a/src/arch/sparc/linux/syscalls.cc
+++ b/src/arch/sparc/linux/syscalls.cc
@@ -132,7 +132,7 @@ SyscallDesc SparcLinuxProcess::syscall32Descs[] = {
/* 40 */ SyscallDesc("lstat", unimplementedFunc),
/* 41 */ SyscallDesc("dup", unimplementedFunc),
/* 42 */ SyscallDesc("pipe", pipePseudoFunc),
- /* 43 */ SyscallDesc("times", unimplementedFunc),
+ /* 43 */ SyscallDesc("times", ignoreFunc),
/* 44 */ SyscallDesc("getuid32", unimplementedFunc),
/* 45 */ SyscallDesc("umount2", unimplementedFunc), //32 bit
/* 46 */ SyscallDesc("setgid", unimplementedFunc), //32 bit
@@ -217,7 +217,7 @@ SyscallDesc SparcLinuxProcess::syscall32Descs[] = {
/* 125 */ SyscallDesc("recvfrom", unimplementedFunc),
/* 126 */ SyscallDesc("setreuid", unimplementedFunc), //32 bit
/* 127 */ SyscallDesc("setregid", unimplementedFunc), //32 bit
- /* 128 */ SyscallDesc("rename", unimplementedFunc),
+ /* 128 */ SyscallDesc("rename", renameFunc),
/* 129 */ SyscallDesc("truncate", unimplementedFunc),
/* 130 */ SyscallDesc("ftruncate", unimplementedFunc),
/* 131 */ SyscallDesc("flock", unimplementedFunc),
@@ -320,7 +320,7 @@ SyscallDesc SparcLinuxProcess::syscall32Descs[] = {
/* 228 */ SyscallDesc("setfsuid", unimplementedFunc), //32 bit
/* 229 */ SyscallDesc("setfsgid", unimplementedFunc), //32 bit
/* 230 */ SyscallDesc("_newselect", unimplementedFunc), //32 bit
- /* 231 */ SyscallDesc("time", unimplementedFunc),
+ /* 231 */ SyscallDesc("time", ignoreFunc),
/* 232 */ SyscallDesc("oldstat", unimplementedFunc),
/* 233 */ SyscallDesc("stime", unimplementedFunc),
/* 234 */ SyscallDesc("statfs64", unimplementedFunc),
@@ -435,7 +435,7 @@ SyscallDesc SparcLinuxProcess::syscallDescs[] = {
/* 40 */ SyscallDesc("lstat", unimplementedFunc),
/* 41 */ SyscallDesc("dup", unimplementedFunc),
/* 42 */ SyscallDesc("pipe", pipePseudoFunc),
- /* 43 */ SyscallDesc("times", unimplementedFunc),
+ /* 43 */ SyscallDesc("times", ignoreFunc),
/* 44 */ SyscallDesc("getuid32", unimplementedFunc),
/* 45 */ SyscallDesc("umount2", unimplementedFunc),
/* 46 */ SyscallDesc("setgid", unimplementedFunc),
@@ -520,7 +520,7 @@ SyscallDesc SparcLinuxProcess::syscallDescs[] = {
/* 125 */ SyscallDesc("recvfrom", unimplementedFunc),
/* 126 */ SyscallDesc("setreuid", unimplementedFunc),
/* 127 */ SyscallDesc("setregid", unimplementedFunc),
- /* 128 */ SyscallDesc("rename", unimplementedFunc),
+ /* 128 */ SyscallDesc("rename", renameFunc),
/* 129 */ SyscallDesc("truncate", unimplementedFunc),
/* 130 */ SyscallDesc("ftruncate", unimplementedFunc),
/* 131 */ SyscallDesc("flock", unimplementedFunc),
@@ -623,7 +623,7 @@ SyscallDesc SparcLinuxProcess::syscallDescs[] = {
/* 228 */ SyscallDesc("setfsuid", unimplementedFunc),
/* 229 */ SyscallDesc("setfsgid", unimplementedFunc),
/* 230 */ SyscallDesc("_newselect", unimplementedFunc),
- /* 231 */ SyscallDesc("time", unimplementedFunc),
+ /* 231 */ SyscallDesc("time", ignoreFunc),
/* 232 */ SyscallDesc("oldstat", unimplementedFunc),
/* 233 */ SyscallDesc("stime", unimplementedFunc),
/* 234 */ SyscallDesc("statfs64", unimplementedFunc),
diff --git a/src/arch/sparc/miscregfile.cc b/src/arch/sparc/miscregfile.cc
index f3be1c4c2..5bd572d38 100644
--- a/src/arch/sparc/miscregfile.cc
+++ b/src/arch/sparc/miscregfile.cc
@@ -646,7 +646,12 @@ void MiscRegFile::setReg(int miscReg,
#endif
return;
case MISCREG_CWP:
- new_val = val > NWindows ? NWindows - 1 : val;
+ new_val = val >= NWindows ? NWindows - 1 : val;
+ if (val >= NWindows) {
+ new_val = NWindows - 1;
+ warn("Attempted to set the CWP to %d with NWindows = %d\n",
+ val, NWindows);
+ }
tc->changeRegFileContext(CONTEXT_CWP, new_val);
break;
case MISCREG_GL:
diff --git a/src/arch/sparc/predecoder.hh b/src/arch/sparc/predecoder.hh
new file mode 100644
index 000000000..4a8c9dc4a
--- /dev/null
+++ b/src/arch/sparc/predecoder.hh
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2006 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+#ifndef __ARCH_SPARC_PREDECODER_HH__
+#define __ARCH_SPARC_PREDECODER_HH__
+
+#include "arch/sparc/types.hh"
+#include "base/misc.hh"
+#include "cpu/thread_context.hh"
+#include "sim/host.hh"
+
+class ThreadContext;
+
+namespace SparcISA
+{
+ class Predecoder
+ {
+ protected:
+ ThreadContext * tc;
+ //The extended machine instruction being generated
+ ExtMachInst emi;
+
+ public:
+ Predecoder(ThreadContext * _tc) : tc(_tc)
+ {}
+
+ ThreadContext * getTC()
+ {
+ return tc;
+ }
+
+ void setTC(ThreadContext * _tc)
+ {
+ tc = _tc;
+ }
+
+ void process()
+ {
+ }
+
+ //Use this to give data to the predecoder. This should be used
+ //when there is control flow.
+ void moreBytes(Addr currPC, Addr off, MachInst inst)
+ {
+ assert(off == 0);
+
+ emi = inst;
+ //The I bit, bit 13, is used to figure out where the ASI
+ //should come from. Use that in the ExtMachInst. This is
+ //slightly redundant, but it removes the need to put a condition
+ //into all the execute functions
+ if(inst & (1 << 13))
+ emi |= (static_cast<ExtMachInst>(
+ tc->readMiscRegNoEffect(MISCREG_ASI))
+ << (sizeof(MachInst) * 8));
+ else
+ emi |= (static_cast<ExtMachInst>(bits(inst, 12, 5))
+ << (sizeof(MachInst) * 8));
+ }
+
+ //Use this to give data to the predecoder. This should be used
+ //when instructions are executed in order.
+ void moreBytes(MachInst machInst)
+ {
+ moreBytes(0, 0, machInst);
+ }
+
+ bool needMoreBytes()
+ {
+ return true;
+ }
+
+ bool extMachInstReady()
+ {
+ return true;
+ }
+
+ //This returns a constant reference to the ExtMachInst to avoid a copy
+ const ExtMachInst & getExtMachInst()
+ {
+ return emi;
+ }
+ };
+};
+
+#endif // __ARCH_SPARC_PREDECODER_HH__
diff --git a/src/arch/sparc/ua2005.cc b/src/arch/sparc/ua2005.cc
index 865280038..48e97a531 100644
--- a/src/arch/sparc/ua2005.cc
+++ b/src/arch/sparc/ua2005.cc
@@ -195,6 +195,7 @@ MiscRegFile::setFSReg(int miscReg, const MiscReg &val, ThreadContext *tc)
panic("No support for setting spec_en bit\n");
setRegNoEffect(miscReg, bits(val,0,0));
if (!bits(val,0,0)) {
+ DPRINTF(Quiesce, "Cpu executed quiescing instruction\n");
// Time to go to sleep
tc->suspend();
if (tc->getKernelStats())
@@ -307,7 +308,7 @@ MiscRegFile::processSTickCompare(ThreadContext *tc)
tc->getCpuPtr()->instCount();
assert(ticks >= 0 && "stick compare missed interrupt cycle");
- if (ticks == 0) {
+ if (ticks == 0 || tc->status() == ThreadContext::Suspended) {
DPRINTF(Timer, "STick compare cycle reached at %#x\n",
(stick_cmpr & mask(63)));
if (!(tc->readMiscRegNoEffect(MISCREG_STICK_CMPR) & (ULL(1) << 63))) {
@@ -324,11 +325,15 @@ MiscRegFile::processHSTickCompare(ThreadContext *tc)
// we're actually at the correct cycle or we need to wait a little while
// more
int ticks;
+ if ( tc->status() == ThreadContext::Halted ||
+ tc->status() == ThreadContext::Unallocated)
+ return;
+
ticks = ((int64_t)(hstick_cmpr & mask(63)) - (int64_t)stick) -
tc->getCpuPtr()->instCount();
assert(ticks >= 0 && "hstick compare missed interrupt cycle");
- if (ticks == 0) {
+ if (ticks == 0 || tc->status() == ThreadContext::Suspended) {
DPRINTF(Timer, "HSTick compare cycle reached at %#x\n",
(stick_cmpr & mask(63)));
if (!(tc->readMiscRegNoEffect(MISCREG_HSTICK_CMPR) & (ULL(1) << 63))) {
diff --git a/src/arch/sparc/utility.hh b/src/arch/sparc/utility.hh
index dc9201401..1458231f2 100644
--- a/src/arch/sparc/utility.hh
+++ b/src/arch/sparc/utility.hh
@@ -48,22 +48,6 @@ namespace SparcISA
tc->readMiscRegNoEffect(MISCREG_HPSTATE & (1 << 2)));
}
- inline ExtMachInst
- makeExtMI(MachInst inst, ThreadContext * xc) {
- ExtMachInst emi = (MachInst) inst;
- //The I bit, bit 13, is used to figure out where the ASI
- //should come from. Use that in the ExtMachInst. This is
- //slightly redundant, but it removes the need to put a condition
- //into all the execute functions
- if(inst & (1 << 13))
- emi |= (static_cast<ExtMachInst>(xc->readMiscRegNoEffect(MISCREG_ASI))
- << (sizeof(MachInst) * 8));
- else
- emi |= (static_cast<ExtMachInst>(bits(inst, 12, 5))
- << (sizeof(MachInst) * 8));
- return emi;
- }
-
inline bool isCallerSaveIntegerRegister(unsigned int reg) {
panic("register classification not implemented");
return false;
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-20 05:25:24 +0000