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author | Andreas Hansson <andreas.hansson@arm.com> | 2015-05-05 03:22:30 -0400 |
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committer | Andreas Hansson <andreas.hansson@arm.com> | 2015-05-05 03:22:30 -0400 |
commit | 23b9792681d4cd794b0ad74138160a37b8bdac8f (patch) | |
tree | dd849032f615ec6a5ff43a6a2e93393d8f6fd5f7 /src/arch/arm/linux/system.cc | |
parent | 36f29496a019af4483430f17c4a6028b8dcfb2cf (diff) | |
download | gem5-23b9792681d4cd794b0ad74138160a37b8bdac8f.tar.xz |
arm: Remove unnecessary boot uncachability
With the recent patches addressing how we deal with uncacheable
accesses there is no longer need for the work arounds put in place to
enforce certain sections of memory to be uncacheable during boot.
Diffstat (limited to 'src/arch/arm/linux/system.cc')
-rw-r--r-- | src/arch/arm/linux/system.cc | 35 |
1 files changed, 1 insertions, 34 deletions
diff --git a/src/arch/arm/linux/system.cc b/src/arch/arm/linux/system.cc index 216e9ddc0..f6df6307a 100644 --- a/src/arch/arm/linux/system.cc +++ b/src/arch/arm/linux/system.cc @@ -63,8 +63,7 @@ using namespace Linux; LinuxArmSystem::LinuxArmSystem(Params *p) : GenericArmSystem(p), dumpStatsPCEvent(nullptr), enableContextSwitchStatsDump(p->enable_context_switch_stats_dump), - taskFile(nullptr), kernelPanicEvent(nullptr), kernelOopsEvent(nullptr), - bootReleaseAddr(p->boot_release_addr) + taskFile(nullptr), kernelPanicEvent(nullptr), kernelOopsEvent(nullptr) { if (p->panic_on_panic) { kernelPanicEvent = addKernelFuncEventOrPanic<PanicPCEvent>( @@ -96,34 +95,6 @@ LinuxArmSystem::LinuxArmSystem(Params *p) constUDelaySkipEvent = addKernelFuncEventOrPanic<UDelayEvent>( "__const_udelay", "__const_udelay", 1000, 107374); - secDataPtrAddr = 0; - secDataAddr = 0; - penReleaseAddr = 0; - - kernelSymtab->findAddress("__secondary_data", secDataPtrAddr); - kernelSymtab->findAddress("secondary_data", secDataAddr); - kernelSymtab->findAddress("pen_release", penReleaseAddr); - kernelSymtab->findAddress("secondary_holding_pen_release", pen64ReleaseAddr); - - secDataPtrAddr &= ~ULL(0x7F); - secDataAddr &= ~ULL(0x7F); - penReleaseAddr &= ~ULL(0x7F); - pen64ReleaseAddr &= ~ULL(0x7F); - bootReleaseAddr = (bootReleaseAddr & ~ULL(0x7F)) + loadAddrOffset; - -} - -bool -LinuxArmSystem::adderBootUncacheable(Addr a) -{ - Addr block = a & ~ULL(0x7F); - - if (block == secDataPtrAddr || block == secDataAddr || - block == penReleaseAddr || pen64ReleaseAddr == block || - block == bootReleaseAddr) - return true; - - return false; } void @@ -175,10 +146,6 @@ LinuxArmSystem::initState() "to DTB file: %s\n", params()->dtb_filename); } - Addr ra = _dtb_file->findReleaseAddr(); - if (ra) - bootReleaseAddr = ra & ~ULL(0x7F); - dtb_file->setTextBase(params()->atags_addr + loadAddrOffset); dtb_file->loadSections(physProxy); delete dtb_file; |