Han-sheng Liu has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/68617?usp=email )
Change subject: base: support calculating the intersection of two AddrRange
......................................................................
base: support calculating the intersection of two AddrRange
Change-Id: I2f089039c709fe4c3f7086263fb56470c7713bad
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/68617
Maintainer: Jason Lowe-Power <[email protected]>
Reviewed-by: Jason Lowe-Power <[email protected]>
Tested-by: kokoro <[email protected]>
Reviewed-by: Bobby Bruce <[email protected]>
---
M src/base/addr_range.hh
1 file changed, 16 insertions(+), 0 deletions(-)
Approvals:
kokoro: Regressions pass
Bobby Bruce: Looks good to me, approved
Jason Lowe-Power: Looks good to me, but someone else must approve; Looks
good to me, approved
diff --git a/src/base/addr_range.hh b/src/base/addr_range.hh
index 07bd255..11fb1cd 100644
--- a/src/base/addr_range.hh
+++ b/src/base/addr_range.hh
@@ -732,6 +732,22 @@
{
return !(*this == r);
}
+
+ /**
+ * @ingroup api_addr_range
+ */
+ AddrRange
+ operator&(const AddrRange& r) const
+ {
+ panic_if(this->interleaved() || r.interleaved(),
+ "Cannot calculate intersection of interleaved ranges.");
+ Addr start = std::max(this->_start, r._start);
+ Addr end = std::min(this->_end, r._end);
+ if (end <= start) {
+ return AddrRange(0, 0);
+ }
+ return AddrRange(start, end);
+ }
};
static inline AddrRangeList
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I2f089039c709fe4c3f7086263fb56470c7713bad
Gerrit-Change-Number: 68617
Gerrit-PatchSet: 3
Gerrit-Owner: Han-sheng Liu <[email protected]>
Gerrit-Reviewer: Bobby Bruce <[email protected]>
Gerrit-Reviewer: Daniel Carvalho <[email protected]>
Gerrit-Reviewer: Gabe Black <[email protected]>
Gerrit-Reviewer: Han-sheng Liu <[email protected]>
Gerrit-Reviewer: Jason Lowe-Power <[email protected]>
Gerrit-Reviewer: Yu-hsin Wang <[email protected]>
Gerrit-Reviewer: kokoro <[email protected]>
Gerrit-CC: Earl Ou <[email protected]>
Gerrit-MessageType: merged
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