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authorKevin Lim <ktlim@umich.edu>2006-11-10 12:44:15 -0500
committerKevin Lim <ktlim@umich.edu>2006-11-10 12:44:15 -0500
commitb5e68fb54677f601bb00c23af52db8fd6571301f (patch)
treedc3c17198ba4010d907ecd8cb7189aa7959948d4 /src/arch/alpha/isa
parent264f9ce374ff4689fec3c32d8289fe76b0b65078 (diff)
parent9ef51f2dbaba88c10366d708f0ca872bb39064e4 (diff)
downloadgem5-b5e68fb54677f601bb00c23af52db8fd6571301f.tar.xz
Merge ktlim@zizzer:/bk/newmem
into zamp.eecs.umich.edu:/z/ktlim2/clean/o3-merge/newmem --HG-- extra : convert_revision : 0c2db1e1b5fdb91c1ac5705ab872a6bfb575a67a
Diffstat (limited to 'src/arch/alpha/isa')
-rw-r--r--src/arch/alpha/isa/decoder.isa36
-rw-r--r--src/arch/alpha/isa/fp.isa4
-rw-r--r--src/arch/alpha/isa/main.isa11
3 files changed, 27 insertions, 24 deletions
diff --git a/src/arch/alpha/isa/decoder.isa b/src/arch/alpha/isa/decoder.isa
index 5bd19b677..7014d4c22 100644
--- a/src/arch/alpha/isa/decoder.isa
+++ b/src/arch/alpha/isa/decoder.isa
@@ -629,7 +629,7 @@ decode OPCODE default Unknown::unknown() {
/* Rb is a fake dependency so here is a fun way to get
* the parser to understand that.
*/
- Ra = xc->readMiscRegWithEffect(AlphaISA::IPR_CC, fault) + (Rb & 0);
+ Ra = xc->readMiscRegWithEffect(AlphaISA::IPR_CC) + (Rb & 0);
#else
Ra = curTick;
@@ -661,12 +661,12 @@ decode OPCODE default Unknown::unknown() {
#if FULL_SYSTEM
format BasicOperate {
0xe000: rc({{
- Ra = xc->readIntrFlag();
- xc->setIntrFlag(0);
+ Ra = IntrFlag;
+ IntrFlag = 0;
}}, IsNonSpeculative, IsUnverifiable);
0xf000: rs({{
- Ra = xc->readIntrFlag();
- xc->setIntrFlag(1);
+ Ra = IntrFlag;
+ IntrFlag = 1;
}}, IsNonSpeculative, IsUnverifiable);
}
#else
@@ -681,7 +681,7 @@ decode OPCODE default Unknown::unknown() {
0x00: CallPal::call_pal({{
if (!palValid ||
(palPriv
- && xc->readMiscRegWithEffect(AlphaISA::IPR_ICM, fault) != AlphaISA::mode_kernel)) {
+ && xc->readMiscRegWithEffect(AlphaISA::IPR_ICM) != AlphaISA::mode_kernel)) {
// invalid pal function code, or attempt to do privileged
// PAL call in non-kernel mode
fault = new UnimplementedOpcodeFault;
@@ -693,7 +693,7 @@ decode OPCODE default Unknown::unknown() {
if (dopal) {
xc->setMiscRegWithEffect(AlphaISA::IPR_EXC_ADDR, NPC);
- NPC = xc->readMiscRegWithEffect(AlphaISA::IPR_PAL_BASE, fault) + palOffset;
+ NPC = xc->readMiscRegWithEffect(AlphaISA::IPR_PAL_BASE) + palOffset;
}
}
}}, IsNonSpeculative);
@@ -745,7 +745,13 @@ decode OPCODE default Unknown::unknown() {
0: OpcdecFault::hw_mfpr();
format HwMoveIPR {
1: hw_mfpr({{
- Ra = xc->readMiscRegWithEffect(ipr_index, fault);
+ int miscRegIndex = (ipr_index < MaxInternalProcRegs) ?
+ IprToMiscRegIndex[ipr_index] : -1;
+ if(miscRegIndex < 0 || !IprIsReadable(miscRegIndex) ||
+ miscRegIndex >= NumInternalProcRegs)
+ fault = new UnimplementedOpcodeFault;
+ else
+ Ra = xc->readMiscRegWithEffect(miscRegIndex);
}}, IsIprAccess);
}
}
@@ -754,7 +760,13 @@ decode OPCODE default Unknown::unknown() {
0: OpcdecFault::hw_mtpr();
format HwMoveIPR {
1: hw_mtpr({{
- xc->setMiscRegWithEffect(ipr_index, Ra);
+ int miscRegIndex = (ipr_index < MaxInternalProcRegs) ?
+ IprToMiscRegIndex[ipr_index] : -1;
+ if(miscRegIndex < 0 || !IprIsWritable(miscRegIndex) ||
+ miscRegIndex >= NumInternalProcRegs)
+ fault = new UnimplementedOpcodeFault;
+ else
+ xc->setMiscRegWithEffect(miscRegIndex, Ra);
if (traceData) { traceData->setData(Ra); }
}}, IsIprAccess);
}
@@ -783,12 +795,6 @@ decode OPCODE default Unknown::unknown() {
0x04: quiesceTime({{
R0 = AlphaPseudo::quiesceTime(xc->tcBase());
}}, IsNonSpeculative, IsUnverifiable);
- 0x10: ivlb({{
- AlphaPseudo::ivlb(xc->tcBase());
- }}, No_OpClass, IsNonSpeculative);
- 0x11: ivle({{
- AlphaPseudo::ivle(xc->tcBase());
- }}, No_OpClass, IsNonSpeculative);
0x20: m5exit_old({{
AlphaPseudo::m5exit_old(xc->tcBase());
}}, No_OpClass, IsNonSpeculative);
diff --git a/src/arch/alpha/isa/fp.isa b/src/arch/alpha/isa/fp.isa
index b4339a1b7..3b5575f62 100644
--- a/src/arch/alpha/isa/fp.isa
+++ b/src/arch/alpha/isa/fp.isa
@@ -46,7 +46,7 @@ output exec {{
inline Fault checkFpEnableFault(%(CPU_exec_context)s *xc)
{
Fault fault = NoFault; // dummy... this ipr access should not fault
- if (!EV5::ICSR_FPE(xc->readMiscRegWithEffect(AlphaISA::IPR_ICSR, fault))) {
+ if (!EV5::ICSR_FPE(xc->readMiscRegWithEffect(AlphaISA::IPR_ICSR))) {
fault = new FloatEnableFault;
}
return fault;
@@ -229,7 +229,7 @@ def template FloatingPointExecute {{
%(code)s;
} else {
fesetround(getC99RoundingMode(
- xc->readMiscReg(AlphaISA::Fpcr_DepTag)));
+ xc->readMiscReg(AlphaISA::MISCREG_FPCR)));
%(code)s;
fesetround(FE_TONEAREST);
}
diff --git a/src/arch/alpha/isa/main.isa b/src/arch/alpha/isa/main.isa
index 2024b1117..6e65cf9d3 100644
--- a/src/arch/alpha/isa/main.isa
+++ b/src/arch/alpha/isa/main.isa
@@ -71,6 +71,7 @@ output exec {{
#if FULL_SYSTEM
#include "sim/pseudo_inst.hh"
#endif
+#include "arch/alpha/ipr.hh"
#include "base/fenv.hh"
#include "config/ss_compatible_fp.hh"
#include "cpu/base.hh"
@@ -183,8 +184,9 @@ def operands {{
'Fc': ('FloatReg', 'df', 'FC', 'IsFloating', 3),
'Mem': ('Mem', 'uq', None, ('IsMemRef', 'IsLoad', 'IsStore'), 4),
'NPC': ('NPC', 'uq', None, ( None, None, 'IsControl' ), 4),
- 'Runiq': ('ControlReg', 'uq', 'TheISA::Uniq_DepTag', None, 1),
- 'FPCR': (' ControlReg', 'uq', 'TheISA::Fpcr_DepTag', None, 1),
+ 'Runiq': ('ControlReg', 'uq', 'MISCREG_UNIQ', None, 1),
+ 'FPCR': ('ControlReg', 'uq', 'MISCREG_FPCR', None, 1),
+ 'IntrFlag': ('ControlReg', 'uq', 'MISCREG_INTR', None, 1),
# The next two are hacks for non-full-system call-pal emulation
'R0': ('IntReg', 'uq', '0', None, 1),
'R16': ('IntReg', 'uq', '16', None, 1),
@@ -214,11 +216,6 @@ output header {{
/// live here and not in the AlphaISA namespace.
enum DependenceTags {
FP_Base_DepTag = AlphaISA::FP_Base_DepTag,
- Fpcr_DepTag = AlphaISA::Fpcr_DepTag,
- Uniq_DepTag = AlphaISA::Uniq_DepTag,
- Lock_Flag_DepTag = AlphaISA::Lock_Flag_DepTag,
- Lock_Addr_DepTag = AlphaISA::Lock_Addr_DepTag,
- IPR_Base_DepTag = AlphaISA::IPR_Base_DepTag
};
/// Constructor.