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authorNathan Binkert <nate@binkert.org>2009-04-08 22:22:49 -0700
committerNathan Binkert <nate@binkert.org>2009-04-08 22:22:49 -0700
commit18a30524d6afb397df1af764e8dc80ff4e7cdb98 (patch)
tree145f4823282254a76225d1f66df589c269545343 /src/arch/alpha
parent374ba9bae359e68c1496f8db25c38a817af2da19 (diff)
downloadgem5-18a30524d6afb397df1af764e8dc80ff4e7cdb98.tar.xz
alpha: get rid of all turbolaser remnants
Diffstat (limited to 'src/arch/alpha')
-rw-r--r--src/arch/alpha/SConsopts4
-rw-r--r--src/arch/alpha/ev5.hh13
-rw-r--r--src/arch/alpha/tlb.cc32
3 files changed, 3 insertions, 46 deletions
diff --git a/src/arch/alpha/SConsopts b/src/arch/alpha/SConsopts
index b418e27c8..4af7a4daf 100644
--- a/src/arch/alpha/SConsopts
+++ b/src/arch/alpha/SConsopts
@@ -31,7 +31,3 @@
Import('*')
all_isa_list.append('alpha')
-
-# Alpha can be compiled with Turbolaser support instead of Tsunami
-sticky_vars.Add(BoolVariable('ALPHA_TLASER',
- 'Model Alpha TurboLaser platform (vs. Tsunami)', False))
diff --git a/src/arch/alpha/ev5.hh b/src/arch/alpha/ev5.hh
index 1915d822b..a135ac506 100644
--- a/src/arch/alpha/ev5.hh
+++ b/src/arch/alpha/ev5.hh
@@ -33,17 +33,11 @@
#ifndef __ARCH_ALPHA_EV5_HH__
#define __ARCH_ALPHA_EV5_HH__
-#include "config/alpha_tlaser.hh"
#include "arch/alpha/isa_traits.hh"
namespace AlphaISA {
-#if ALPHA_TLASER
-const uint64_t AsnMask = ULL(0x7f);
-#else
const uint64_t AsnMask = ULL(0xff);
-#endif
-
const int VAddrImplBits = 43;
const Addr VAddrImplMask = (ULL(1) << VAddrImplBits) - 1;
const Addr VAddrUnImplMask = ~VAddrImplMask;
@@ -53,13 +47,8 @@ inline Addr VAddrOffset(Addr a) { return a & PageOffset; }
inline Addr VAddrSpaceEV5(Addr a) { return a >> 41 & 0x3; }
inline Addr VAddrSpaceEV6(Addr a) { return a >> 41 & 0x7f; }
-#if ALPHA_TLASER
-inline bool PAddrIprSpace(Addr a) { return a >= ULL(0xFFFFF00000); }
-const int PAddrImplBits = 40;
-#else
inline bool PAddrIprSpace(Addr a) { return a >= ULL(0xFFFFFF00000); }
const int PAddrImplBits = 44; // for Tsunami
-#endif
const Addr PAddrImplMask = (ULL(1) << PAddrImplBits) - 1;
const Addr PAddrUncachedBit39 = ULL(0x8000000000);
const Addr PAddrUncachedBit40 = ULL(0x10000000000);
@@ -69,12 +58,10 @@ const Addr PAddrUncachedMask = ULL(0x807ffffffff); // Clear PA<42:35>
inline Addr
Phys2K0Seg(Addr addr)
{
-#if !ALPHA_TLASER
if (addr & PAddrUncachedBit43) {
addr &= PAddrUncachedMask;
addr |= PAddrUncachedBit40;
}
-#endif
return addr | K0SegBase;
}
diff --git a/src/arch/alpha/tlb.cc b/src/arch/alpha/tlb.cc
index d4f31b421..d9e9dd342 100644
--- a/src/arch/alpha/tlb.cc
+++ b/src/arch/alpha/tlb.cc
@@ -39,7 +39,6 @@
#include "base/inifile.hh"
#include "base/str.hh"
#include "base/trace.hh"
-#include "config/alpha_tlaser.hh"
#include "cpu/thread_context.hh"
using namespace std;
@@ -215,12 +214,7 @@ TLB::checkCacheability(RequestPtr &req, bool itb)
*/
-#if ALPHA_TLASER
- if (req->getPaddr() & PAddrUncachedBit39)
-#else
- if (req->getPaddr() & PAddrUncachedBit43)
-#endif
- {
+ if (req->getPaddr() & PAddrUncachedBit43) {
// IPR memory space not implemented
if (PAddrIprSpace(req->getPaddr())) {
return new UnimpFault("IPR memory space not implemented!");
@@ -228,11 +222,9 @@ TLB::checkCacheability(RequestPtr &req, bool itb)
// mark request as uncacheable
req->setFlags(Request::UNCACHEABLE);
-#if !ALPHA_TLASER
// Clear bits 42:35 of the physical address (10-2 in
// Tsunami manual)
req->setPaddr(req->getPaddr() & PAddrUncachedMask);
-#endif
}
// We shouldn't be able to read from an uncachable address in Alpha as
// we don't have a ROM and we don't want to try to fetch from a device
@@ -398,13 +390,7 @@ TLB::translateInst(RequestPtr req, ThreadContext *tc)
// VA<42:41> == 2, VA<39:13> maps directly to PA<39:13> for EV5
// VA<47:41> == 0x7e, VA<40:13> maps directly to PA<40:13> for EV6
-#if ALPHA_TLASER
- if ((MCSR_SP(tc->readMiscRegNoEffect(IPR_MCSR)) & 2) &&
- VAddrSpaceEV5(req->getVaddr()) == 2)
-#else
- if (VAddrSpaceEV6(req->getVaddr()) == 0x7e)
-#endif
- {
+ if (VAddrSpaceEV6(req->getVaddr()) == 0x7e) {
// only valid in kernel mode
if (ICM_CM(tc->readMiscRegNoEffect(IPR_ICM)) !=
mode_kernel) {
@@ -414,14 +400,11 @@ TLB::translateInst(RequestPtr req, ThreadContext *tc)
req->setPaddr(req->getVaddr() & PAddrImplMask);
-#if !ALPHA_TLASER
// sign extend the physical address properly
if (req->getPaddr() & PAddrUncachedBit40)
req->setPaddr(req->getPaddr() | ULL(0xf0000000000));
else
req->setPaddr(req->getPaddr() & ULL(0xffffffffff));
-#endif
-
} else {
// not a physical address: need to look up pte
int asn = DTB_ASN_ASN(tc->readMiscRegNoEffect(IPR_DTB_ASN));
@@ -495,13 +478,7 @@ TLB::translateData(RequestPtr req, ThreadContext *tc, bool write)
}
// Check for "superpage" mapping
-#if ALPHA_TLASER
- if ((MCSR_SP(tc->readMiscRegNoEffect(IPR_MCSR)) & 2) &&
- VAddrSpaceEV5(req->getVaddr()) == 2)
-#else
- if (VAddrSpaceEV6(req->getVaddr()) == 0x7e)
-#endif
- {
+ if (VAddrSpaceEV6(req->getVaddr()) == 0x7e) {
// only valid in kernel mode
if (DTB_CM_CM(tc->readMiscRegNoEffect(IPR_DTB_CM)) !=
mode_kernel) {
@@ -515,14 +492,11 @@ TLB::translateData(RequestPtr req, ThreadContext *tc, bool write)
req->setPaddr(req->getVaddr() & PAddrImplMask);
-#if !ALPHA_TLASER
// sign extend the physical address properly
if (req->getPaddr() & PAddrUncachedBit40)
req->setPaddr(req->getPaddr() | ULL(0xf0000000000));
else
req->setPaddr(req->getPaddr() & ULL(0xffffffffff));
-#endif
-
} else {
if (write)
write_accesses++;