| branch | RCL_3 |
| changeset 110 | c734af59ce98 |
| parent 97 | 41f0cfe18c80 |
| child 117 | 5b5d147c7838 |
| 97:41f0cfe18c80 | 110:c734af59ce98 |
|---|---|
620 TInt Mmu::ZoneAllocPhysicalRam(TUint* aZoneIdList, TUint aZoneIdCount, TInt aBytes, TPhysAddr& aPhysAddr, TInt aAlign) |
620 TInt Mmu::ZoneAllocPhysicalRam(TUint* aZoneIdList, TUint aZoneIdCount, TInt aBytes, TPhysAddr& aPhysAddr, TInt aAlign) |
621 { |
621 { |
622 __KTRACE_OPT(KMMU,Kern::Printf("Mmu::ZoneAllocPhysicalRam(?,%d,%d,?,%d)", aZoneIdCount, aBytes, aPhysAddr, aAlign)); |
622 __KTRACE_OPT(KMMU,Kern::Printf("Mmu::ZoneAllocPhysicalRam(?,%d,%d,?,%d)", aZoneIdCount, aBytes, aPhysAddr, aAlign)); |
623 __NK_ASSERT_DEBUG(RamAllocLock::IsHeld()); |
623 __NK_ASSERT_DEBUG(RamAllocLock::IsHeld()); |
624 |
624 |
625 TInt r = iRamPageAllocator->ZoneAllocContiguousRam(aZoneIdList, aZoneIdCount, aBytes, aPhysAddr, EPageFixed, aAlign); |
625 TInt r = iRamPageAllocator->ZoneAllocContiguousRam(aZoneIdList, aZoneIdCount, aBytes, aPhysAddr, aAlign); |
626 if(r!=KErrNone) |
626 if(r!=KErrNone) |
627 iRamAllocFailed = ETrue; |
627 iRamAllocFailed = ETrue; |
628 else |
628 else |
629 { |
629 { |
630 TUint pages = MM::RoundToPageCount(aBytes); |
630 TUint pages = MM::RoundToPageCount(aBytes); |
866 iRamAllocFailed = ETrue; |
866 iRamAllocFailed = ETrue; |
867 else |
867 else |
868 PagesAllocated(aPages,aCount,aFlags); |
868 PagesAllocated(aPages,aCount,aFlags); |
869 __KTRACE_OPT(KMMU,Kern::Printf("Mmu::AllocRam returns %d",r)); |
869 __KTRACE_OPT(KMMU,Kern::Printf("Mmu::AllocRam returns %d",r)); |
870 return r; |
870 return r; |
871 } |
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872 |
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873 |
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874 /** |
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875 Mark a page as being allocated to a particular page type. |
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876 |
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877 NOTE - This page should not be used until PagesAllocated() has been invoked on it. |
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878 |
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879 @param aPhysAddr The physical address of the page to mark as allocated. |
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880 @param aZonePageType The type of the page to mark as allocated. |
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881 */ |
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882 void Mmu::MarkPageAllocated(TPhysAddr aPhysAddr, TZonePageType aZonePageType) |
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883 { |
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884 __KTRACE_OPT(KMMU,Kern::Printf("Mmu::MarkPageAllocated(0x%x, %d)", aPhysAddr, aZonePageType)); |
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885 __NK_ASSERT_DEBUG(RamAllocLock::IsHeld()); |
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886 iRamPageAllocator->MarkPageAllocated(aPhysAddr, aZonePageType); |
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871 } |
887 } |
872 |
888 |
873 |
889 |
874 void Mmu::FreeRam(TPhysAddr* aPages, TUint aCount, TZonePageType aZonePageType) |
890 void Mmu::FreeRam(TPhysAddr* aPages, TUint aCount, TZonePageType aZonePageType) |
875 { |
891 { |
934 return KErrNoMemory; |
950 return KErrNoMemory; |
935 } |
951 } |
936 // Only the pager sets EAllocNoPagerReclaim and it shouldn't allocate contiguous ram. |
952 // Only the pager sets EAllocNoPagerReclaim and it shouldn't allocate contiguous ram. |
937 __NK_ASSERT_DEBUG(!(aFlags&EAllocNoPagerReclaim)); |
953 __NK_ASSERT_DEBUG(!(aFlags&EAllocNoPagerReclaim)); |
938 #endif |
954 #endif |
939 TInt r = iRamPageAllocator->AllocContiguousRam(aCount, aPhysAddr, EPageFixed, aAlign+KPageShift); |
955 TInt r = iRamPageAllocator->AllocContiguousRam(aCount, aPhysAddr, aAlign+KPageShift); |
940 if(r==KErrNoMemory && aCount > KMaxFreeableContiguousPages) |
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941 { |
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942 // flush paging cache and retry... |
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943 RamAllocLock::Unlock(); |
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944 ThePager.FlushAll(); |
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945 RamAllocLock::Lock(); |
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946 r = iRamPageAllocator->AllocContiguousRam(aCount, aPhysAddr, EPageFixed, aAlign+KPageShift); |
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947 } |
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948 if(r!=KErrNone) |
956 if(r!=KErrNone) |
949 iRamAllocFailed = ETrue; |
957 iRamAllocFailed = ETrue; |
950 else |
958 else |
951 PagesAllocated((TPhysAddr*)(aPhysAddr|1), aCount, aFlags); |
959 PagesAllocated((TPhysAddr*)(aPhysAddr|1), aCount, aFlags); |
952 __KTRACE_OPT(KMMU,Kern::Printf("AllocContiguousRam returns %d and aPhysAddr=0x%08x",r,aPhysAddr)); |
960 __KTRACE_OPT(KMMU,Kern::Printf("AllocContiguousRam returns %d and aPhysAddr=0x%08x",r,aPhysAddr)); |