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Memory: Add a LOCKED flag back in for x86 style locking.

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This commit is contained in:
Gabe Black 2009-04-19 04:39:25 -07:00
parent 3e5f487663
commit 742c3f045e
1 changed files with 4 additions and 1 deletions
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5
src/mem/request.hh
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@ -75,6 +75,8 @@ class Request : public FastAlloc
static const FlagsType NO_FAULT = 0x00002000;
/** The request should not cause a memory access. */
static const FlagsType NO_ACCESS = 0x00004000;
/** This request will lock or unlock the accessed memory. */
static const FlagsType LOCKED = 0x00008000;
/** The request should be prefetched into the exclusive state. */
static const FlagsType PF_EXCLUSIVE = 0x00010000;
/** The request should be marked as LRU. */
@ -92,7 +94,7 @@ class Request : public FastAlloc
static const FlagsType MMAPED_IPR = 0x00800000;
private:
static const FlagsType PUBLIC_FLAGS = 0x00FF3FFF;
static const FlagsType PUBLIC_FLAGS = 0x00FFFFFF;
static const FlagsType PRIVATE_FLAGS = 0xFF000000;
/** Whether or not the size is valid. */
@ -449,6 +451,7 @@ class Request : public FastAlloc
bool isUncacheable() const { return flags.isSet(UNCACHEABLE); }
bool isInstRead() const { return flags.isSet(INST_READ); }
bool isLlsc() const { return flags.isSet(LLSC); }
bool isLocked() const { return flags.isSet(LOCKED); }
bool isSwap() const { return flags.isSet(MEM_SWAP|MEM_SWAP_COND); }
bool isCondSwap() const { return flags.isSet(MEM_SWAP_COND); }