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author | David Hashe <david.hashe@amd.com> | 2015-07-20 09:15:18 -0500 |
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committer | David Hashe <david.hashe@amd.com> | 2015-07-20 09:15:18 -0500 |
commit | 6a288d9de3422024b9e99caa8b3717d98e467314 (patch) | |
tree | cf47855e262bccc800de1da1325c4be3f3e1dd9a /src/mem/slicc/ast/PeekStatementAST.py | |
parent | b609b032aaa02348884bd66396b39a3ad1a056cc (diff) | |
download | gem5-6a288d9de3422024b9e99caa8b3717d98e467314.tar.xz |
slicc: support for multiple message types on the same buffer
This patch allows SLICC protocols to use more than one message type with a
message buffer. For example, you can declare two in ports as such:
in_port(ResponseQueue_in, ResponseMsg, responseFromDir, rank=3) { ... }
in_port(tgtResponseQueue_in, TgtResponseMsg, responseFromDir, rank=2) { ... }
Diffstat (limited to 'src/mem/slicc/ast/PeekStatementAST.py')
-rw-r--r-- | src/mem/slicc/ast/PeekStatementAST.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/mem/slicc/ast/PeekStatementAST.py b/src/mem/slicc/ast/PeekStatementAST.py index d267df26e..cecb9aa9f 100644 --- a/src/mem/slicc/ast/PeekStatementAST.py +++ b/src/mem/slicc/ast/PeekStatementAST.py @@ -62,7 +62,12 @@ class PeekStatementAST(StatementAST): // Declare message const $mtid* in_msg_ptr M5_VAR_USED; in_msg_ptr = dynamic_cast<const $mtid *>(($qcode).${{self.method}}()); - assert(in_msg_ptr != NULL); // Check the cast result + if (in_msg_ptr == NULL) { + // If the cast fails, this is the wrong inport (wrong message type). + // Throw an exception, and the caller will decide to either try a + // different inport or punt. + throw RejectException(); + } ''') if self.pairs.has_key("block_on"): |