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base: support calculating the intersection of two AddrRange

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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>
This commit is contained in:
handsomeliu
2023-03-03 16:32:01 +08:00
committed by Han-sheng Liu
parent 6884aeb86a
commit da050eedde
1 changed files with 16 additions and 0 deletions
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16
src/base/addr_range.hh
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@@ -732,6 +732,22 @@ class AddrRange
{
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