From d20837dba6d4b024ce758e046b2c57c352199ed9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20B=2E=20Preu=C3=9Fer?= <thomas.preusser@xilinx.com>
Date: Thu, 5 May 2022 13:44:53 +0100
Subject: [PATCH] Generic top-level macro customizable through command-line
defines.
---
finn-rtllib/checksum/checksum.cpp | 17 +----------------
finn-rtllib/checksum/checksum.hpp | 17 +++++++++++++++++
2 files changed, 18 insertions(+), 16 deletions(-)
diff --git a/finn-rtllib/checksum/checksum.cpp b/finn-rtllib/checksum/checksum.cpp
index 494adee85..3ea3870d3 100644
--- a/finn-rtllib/checksum/checksum.cpp
+++ b/finn-rtllib/checksum/checksum.cpp
@@ -33,19 +33,4 @@
*
*******************************************************************************/
#include "checksum.hpp"
-
-
-using T = ap_uint<32>;
-
-void checksum_top(
- hls::stream<T> &src,
- hls::stream<T> &dst,
- ap_uint<32> &chk
-) {
-#pragma HLS interface port=src axis
-#pragma HLS interface port=dst axis
-#pragma HLS interface port=chk ap_ovld
-#pragma HLS interface port=return ap_ctrl_none
-#pragma HLS dataflow
- checksum<60, 4>(src, dst, chk);
-}
+CHECKSUM_TOP(WORDS_PER_FRAME, WORD_SIZE, ITEMS_PER_WORD)
diff --git a/finn-rtllib/checksum/checksum.hpp b/finn-rtllib/checksum/checksum.hpp
index ed45b5d57..e38b66b0b 100644
--- a/finn-rtllib/checksum/checksum.hpp
+++ b/finn-rtllib/checksum/checksum.hpp
@@ -112,3 +112,20 @@ void checksum(
#pragma HLS reset variable=cnt
chk = (cnt++, s);
}
+
+#define CHECKSUM_TOP_(WORDS_PER_FRAME, WORD_SIZE, ITEMS_PER_WORD) \
+ using T = ap_uint<WORD_SIZE>; \
+ void checksum_ ## WORDS_PER_FRAME ## _ ## WORD_SIZE ## _ ## ITEMS_PER_WORD ( \
+ hls::stream<T> &src, \
+ hls::stream<T> &dst, \
+ ap_uint<32> &chk \
+ ) { \
+ _Pragma("HLS interface port=src axis") \
+ _Pragma("HLS interface port=dst axis") \
+ _Pragma("HLS interface port=chk s_axilite") \
+ _Pragma("HLS interface port=return ap_ctrl_none") \
+ _Pragma("HLS dataflow") \
+ checksum<WORDS_PER_FRAME, ITEMS_PER_WORD>(src, dst, chk); \
+ }
+#define CHECKSUM_TOP(WORDS_PER_FRAME, WORD_SIZE, ITEMS_PER_WORD) \
+ CHECKSUM_TOP_(WORDS_PER_FRAME, WORD_SIZE, ITEMS_PER_WORD)
--
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