From 76da67c275eb33cbdc441c5a2fcc2daff0430501 Mon Sep 17 00:00:00 2001
From: "Wesley W. Terpstra" <w.terpstra@gsi.de>
Date: Thu, 23 Feb 2012 17:38:13 +0000
Subject: [PATCH] Test sub-word access
---
api/test/loopback.cpp | 22 ++++++++++++++++++----
1 file changed, 18 insertions(+), 4 deletions(-)
diff --git a/api/test/loopback.cpp b/api/test/loopback.cpp
index bff99b7..a1f9fce 100644
--- a/api/test/loopback.cpp
+++ b/api/test/loopback.cpp
@@ -78,6 +78,18 @@ Record::Record(width_t width_) {
width_t addrw = width_ >> 4;
width_t dataw = width_ & EB_DATAX;
+
+ if ((seed & 31) == 0) {
+ /* Perform sub-word access */
+ if ((seed & 32) != 0) dataw /= 2;
+ if ((seed & 64) != 0) dataw /= 2;
+ if ((seed & 128) != 0) dataw /= 2;
+ if (dataw == 0) dataw = 1;
+ seed >>= 8;
+ } else {
+ seed >>= 5;
+ }
+
width = (addrw<<4) | dataw;
address = rand();
@@ -240,11 +252,13 @@ void TestCycle::launch(Device device, int length, int* success_) {
for (int op = 0; op < length; ++op) {
Record r(device.width());
+ format_t format = (r.width & EB_DATAX) | EB_BIG_ENDIAN;
+
switch (r.type) {
- case READ_BUS: cycle.read (r.address, r.width, 0); break;
- case READ_CFG: cycle.read_config (r.address, r.width, 0); break;
- case WRITE_BUS: cycle.write (r.address, r.width, r.data); break;
- case WRITE_CFG: cycle.write_config(r.address, r.width, r.data); break;
+ case READ_BUS: cycle.read (r.address, format, 0); break;
+ case READ_CFG: cycle.read_config (r.address, format, 0); break;
+ case WRITE_BUS: cycle.write (r.address, format, r.data); break;
+ case WRITE_CFG: cycle.write_config(r.address, format, r.data); break;
}
records.push_back(r);
--
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