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mem: Add external TLBI flags to the Request object

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* TLBI_EXT_SYNC: This flag tells the CPU model that a
remote TLBI Sync has been requested

* TLBI_EXT_SYNC_COMP: This flag tells the interconnect that a
remote TLBI Sync request has completed

JIRA: https://gem5.atlassian.net/browse/GEM5-1097

Change-Id: I459d22f112038cc1427e24999904ba74c1c08cfb
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/57289
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Samuel Stark
2021-11-02 08:36:14 +00:00
committed by Giacomo Travaglini
parent ee8279b719
commit d64a2ba541
1 changed files with 18 additions and 2 deletions
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20
src/mem/request.hh
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@@ -243,6 +243,14 @@ class Request
/** The Request is a TLB shootdown sync */
TLBI_SYNC = 0x0000200000000000,
/** The Request tells the CPU model that a
remote TLB Sync has been requested */
TLBI_EXT_SYNC = 0x0000400000000000,
/** The Request tells the interconnect that a
remote TLB Sync request has completed */
TLBI_EXT_SYNC_COMP = 0x0000800000000000,
/**
* These flags are *not* cleared when a Request object is
* reused (assigned a new address).
@@ -255,7 +263,8 @@ class Request
static const FlagsType HTM_CMD = HTM_START | HTM_COMMIT |
HTM_CANCEL | HTM_ABORT;
static const FlagsType TLBI_CMD = TLBI | TLBI_SYNC;
static const FlagsType TLBI_CMD = TLBI | TLBI_SYNC |
TLBI_EXT_SYNC | TLBI_EXT_SYNC_COMP;
/** Requestor Ids that are statically allocated
* @{*/
@@ -985,7 +994,14 @@ class Request
bool isTlbi() const { return _flags.isSet(TLBI); }
bool isTlbiSync() const { return _flags.isSet(TLBI_SYNC); }
bool isTlbiCmd() const { return isTlbi() || isTlbiSync(); }
bool isTlbiExtSync() const { return _flags.isSet(TLBI_EXT_SYNC); }
bool isTlbiExtSyncComp() const { return _flags.isSet(TLBI_EXT_SYNC_COMP); }
bool
isTlbiCmd() const
{
return (isTlbi() || isTlbiSync() ||
isTlbiExtSync() || isTlbiExtSyncComp());
}
bool
isAtomic() const