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request: reorganize flags to group related flags together.

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This commit is contained in:
Steve Reinhardt
2009-04-23 06:44:32 -07:00
parent ee7055c289
commit 7c056e44e5
1 changed files with 21 additions and 19 deletions
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40
src/mem/request.hh
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@@ -59,8 +59,8 @@ class Request : public FastAlloc
/** ASI information for this request if it exists. */
static const FlagsType ASI_BITS = 0x000000FF;
/** The request is a Load locked/store conditional. */
static const FlagsType LLSC = 0x00000100;
/** The request was an instruction fetch. */
static const FlagsType INST_FETCH = 0x00000100;
/** The virtual address is also the physical address. */
static const FlagsType PHYSICAL = 0x00000200;
/** The request is an ALPHA VPTE pal access (hw_ld). */
@@ -69,34 +69,36 @@ class Request : public FastAlloc
static const FlagsType ALTMODE = 0x00000800;
/** The request is to an uncacheable address. */
static const FlagsType UNCACHEABLE = 0x00001000;
/** This request is to a memory mapped register. */
static const FlagsType MMAPED_IPR = 0x00002000;
/** The request should not cause a page fault. */
static const FlagsType NO_FAULT = 0x00002000;
static const FlagsType NO_FAULT = 0x00010000;
/** The request should ignore unaligned access faults */
static const FlagsType NO_ALIGN_FAULT = 0x00020000;
/** The request should ignore unaligned access faults */
static const FlagsType NO_HALF_WORD_ALIGN_FAULT = 0x00040000;
/** The request should not cause a memory access. */
static const FlagsType NO_ACCESS = 0x00004000;
static const FlagsType NO_ACCESS = 0x00080000;
/** This request will lock or unlock the accessed memory. When used with
* a load, the access locks the particular chunk of memory. When used
* with a store, it unlocks. The rule is that locked accesses have to be
* made up of a locked load, some operation on the data, and then a locked
* store.
*/
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. */
static const FlagsType EVICT_NEXT = 0x00020000;
/** The request should ignore unaligned access faults */
static const FlagsType NO_ALIGN_FAULT = 0x00040000;
/** The request was an instruction fetch. */
static const FlagsType INST_FETCH = 0x00080000;
static const FlagsType LOCKED = 0x00100000;
/** The request is a Load locked/store conditional. */
static const FlagsType LLSC = 0x00200000;
/** This request is for a memory swap. */
static const FlagsType MEM_SWAP = 0x00100000;
static const FlagsType MEM_SWAP_COND = 0x00200000;
/** The request should ignore unaligned access faults */
static const FlagsType NO_HALF_WORD_ALIGN_FAULT = 0x00400000;
/** This request is to a memory mapped register. */
static const FlagsType MMAPED_IPR = 0x00800000;
static const FlagsType MEM_SWAP = 0x00400000;
static const FlagsType MEM_SWAP_COND = 0x00800000;
/** The request is a prefetch. */
static const FlagsType PREFETCH = 0x01000000;
/** The request should be prefetched into the exclusive state. */
static const FlagsType PF_EXCLUSIVE = 0x02000000;
/** The request should be marked as LRU. */
static const FlagsType EVICT_NEXT = 0x04000000;
/** These flags are *not* cleared when a Request object is reused
(assigned a new address). */