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author | Andreas Sandberg <andreas.sandberg@arm.com> | 2018-02-13 18:00:22 +0000 |
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committer | Andreas Sandberg <andreas.sandberg@arm.com> | 2018-02-19 14:24:46 +0000 |
commit | 7b96fc2456d71d0df2700384ab44c1ed01be2f03 (patch) | |
tree | 912d232864b064dfd0f4d924b56e178a0c2d0dfe /src/mem/se_translating_port_proxy.cc | |
parent | 6039da55d87fb27b149ac3da0ebce41bb55a3bee (diff) | |
download | gem5-7b96fc2456d71d0df2700384ab44c1ed01be2f03.tar.xz |
mem: Refactor port proxies to support secure accesses
The current physical port proxy doesn't know how to tag memory
accesses as secure. Refactor the class slightly to create a set of
methods (readBlobPhys, writeBlobPhys, memsetBlobPhys) that always
access physical memory and take a set of Request::Flags as an
argument. The new port proxy, SecurePortProxy, uses this interface to
issue secure physical accesses.
Change-Id: I8232a4b35025be04ec8f91a00f0580266bacb338
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/8364
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
Diffstat (limited to 'src/mem/se_translating_port_proxy.cc')
-rw-r--r-- | src/mem/se_translating_port_proxy.cc | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mem/se_translating_port_proxy.cc b/src/mem/se_translating_port_proxy.cc index 6c5191caf..bb30ffbd2 100644 --- a/src/mem/se_translating_port_proxy.cc +++ b/src/mem/se_translating_port_proxy.cc @@ -75,7 +75,7 @@ SETranslatingPortProxy::tryReadBlob(Addr addr, uint8_t *p, int size) const if (!pTable->translate(gen.addr(),paddr)) return false; - PortProxy::readBlob(paddr, p + prevSize, gen.size()); + PortProxy::readBlobPhys(paddr, 0, p + prevSize, gen.size()); prevSize += gen.size(); } @@ -114,7 +114,7 @@ SETranslatingPortProxy::tryWriteBlob(Addr addr, const uint8_t *p, pTable->translate(gen.addr(), paddr); } - PortProxy::writeBlob(paddr, p + prevSize, gen.size()); + PortProxy::writeBlobPhys(paddr, 0, p + prevSize, gen.size()); prevSize += gen.size(); } @@ -145,7 +145,7 @@ SETranslatingPortProxy::tryMemsetBlob(Addr addr, uint8_t val, int size) const } } - PortProxy::memsetBlob(paddr, val, gen.size()); + PortProxy::memsetBlobPhys(paddr, 0, val, gen.size()); } return true; |