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 <power.jg@gmail.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
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
