From 3221a2c310afb6ed124d6b67afda110d4b8dcade Mon Sep 17 00:00:00 2001 From: bd Date: Thu, 6 Mar 2025 01:35:27 -0500 Subject: Allow sidedoor free access to writing memory --- src/storage/dram.cc | 31 ++++++++++++++++--------------- 1 file changed, 16 insertions(+), 15 deletions(-) (limited to 'src/storage/dram.cc') diff --git a/src/storage/dram.cc b/src/storage/dram.cc index 3143a61..3eb0748 100644 --- a/src/storage/dram.cc +++ b/src/storage/dram.cc @@ -19,22 +19,23 @@ Response *Dram::write(Accessor accessor, signed int data, int address) struct Response *r = new Response(); r->status = WAIT; - /* Do this first--then process the first cycle immediately. */ - if (this->servicing == IDLE) { - this->servicing = accessor; - this->wait_time = delay; - } - - if (this->servicing == accessor) { - if (this->wait_time == 0) { - int line = address / LINE_SIZE; - int word = address % LINE_SIZE; + if (accessor == SIDE) { + this->do_write(data, address); + r->status = OK; + } else { + /* Do this first--then process the first cycle immediately. */ + if (this->servicing == IDLE) { + this->servicing = accessor; + this->wait_time = delay; + } - this->servicing = IDLE; - this->data->at(line).at(word) = data; - r->status = OK; - } else { - --this->wait_time; + if (this->servicing == accessor) { + if (this->wait_time == 0) { + this->do_write(data, address); + r->status = OK; + } else { + --this->wait_time; + } } } -- cgit v1.2.3