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-rw-r--r--src/sbefw/sbeSpMsg.H4
-rw-r--r--src/sbefw/sbecmdmemaccess.C37
-rw-r--r--src/test/testcases/testAduMem.xml6
-rw-r--r--src/test/testcases/testAduMem_124B.py95
-rw-r--r--src/test/testcases/testMemUtil.py13
5 files changed, 140 insertions, 15 deletions
diff --git a/src/sbefw/sbeSpMsg.H b/src/sbefw/sbeSpMsg.H
index 341a9122..0e695dd5 100644
--- a/src/sbefw/sbeSpMsg.H
+++ b/src/sbefw/sbeSpMsg.H
@@ -464,7 +464,9 @@ typedef struct
*/
uint64_t getDataLenCacheAlign() const
{
- uint64_t l_len = (len / 8);
+ // Expected length in bytes is 1, 2, 4, or multiples of 8,
+ // won't work for any other values
+ uint64_t l_len = (len < 8) ? (1) : (len / 8);
if(flags & SBE_MEM_ACCESS_FLAGS_TARGET_PBA)
{
l_len = (l_len / 16);
diff --git a/src/sbefw/sbecmdmemaccess.C b/src/sbefw/sbecmdmemaccess.C
index 6830e73a..87ed5908 100644
--- a/src/sbefw/sbecmdmemaccess.C
+++ b/src/sbefw/sbecmdmemaccess.C
@@ -118,16 +118,18 @@ inline uint32_t calInterAduLenForUpFifo(uint8_t i_mod, bool i_itag, bool i_ecc)
// Calculate the Final Size which is write/read to/from HWP
//
// @param [in] i_numGranules, Number of granules read/write
+// @param [in] i_granuleSize
// @param [in] i_itag, Itag flag
// @param [in] i_ecc, Ecc flag
//
// @return Length in bytes for ADU to be put in Upstream FIFO
///////////////////////////////////////////////////////////////////////
inline uint32_t sbeAduLenInUpStreamFifo(uint32_t i_numGranules,
+ uint32_t i_granuleSize,
bool i_itag,
bool i_ecc)
{
- uint32_t l_respLen = i_numGranules * ADU_GRAN_SIZE_BYTES;
+ uint32_t l_respLen = i_numGranules * i_granuleSize;
if(i_itag)
{
// Add one byte for Itag for Each Granule Completed
@@ -396,9 +398,15 @@ uint32_t processAduRequest(const sbeMemAccessReqMsgHdr_t &i_hdr,
uint32_t l_granuleSize = ADU_GRAN_SIZE_BYTES;
p9_ADU_oper_flag l_aduFlag;
+ l_aduFlag.setTransactionSize(p9_ADU_oper_flag::TSIZE_8);
+ if(i_hdr.len < 8)
+ {
+ l_sizeMultiplier = 1;
+ l_granuleSize = i_hdr.len;
+ l_aduFlag.setTransactionSize((p9_ADU_oper_flag::Transaction_size_t)(i_hdr.len));
+ }
//Default Operation Type is DMA_PARTIAL
l_aduFlag.setOperationType(p9_ADU_oper_flag::DMA_PARTIAL);
- l_aduFlag.setTransactionSize(p9_ADU_oper_flag::TSIZE_8);
l_aduFlag.setLockControl(false);
l_aduFlag.setOperFailCleanup(true);
l_aduFlag.setNumLockAttempts(SBE_ADU_LOCK_TRIES);
@@ -409,6 +417,7 @@ uint32_t processAduRequest(const sbeMemAccessReqMsgHdr_t &i_hdr,
{
l_aduFlag.setFastMode(true);
}
+ // TODO set DMA_PARTIAL mode by default if CI mode is not set
if(i_hdr.isCacheInhibitModeFlagSet())
{
l_aduFlag.setOperationType(p9_ADU_oper_flag::CACHE_INHIBIT);
@@ -453,11 +462,12 @@ uint32_t processAduRequest(const sbeMemAccessReqMsgHdr_t &i_hdr,
// Input Data length in alignment with PBA (128 Bytes)
uint64_t l_lenCacheAligned = i_hdr.getDataLenCacheAlign();
- SBE_DEBUG(SBE_FUNC "Data Aligned Len / Number of data granules = %d",
- l_lenCacheAligned);
+ SBE_DEBUG(SBE_FUNC "User length [%d], Data Aligned Len / "
+ "Number of data granules = %d",
+ i_hdr.len, l_lenCacheAligned);
// 8Byte granule for ADU access
- uint32_t l_dataFifo[MAX_ADU_BUFFER] = {0};
+ uint64_t l_dataFifo[MAX_ADU_BUFFER/2] = {0};
while (l_granulesCompleted < l_lenCacheAligned)
{
@@ -542,6 +552,11 @@ uint32_t processAduRequest(const sbeMemAccessReqMsgHdr_t &i_hdr,
(uint32_t *)&l_dataFifo,
false);
CHECK_SBE_RC_AND_BREAK_IF_NOT_SUCCESS(l_rc);
+ SBE_DEBUG("l_dataFifo#1 0x%08x%08x", SBE::higher32BWord(l_dataFifo[0]),
+ SBE::lower32BWord(l_dataFifo[0]));
+ l_dataFifo[0] >>= (l_addr & 0x07) * 8;
+ SBE_DEBUG("l_dataFifo#2 0x%08x%08x", SBE::higher32BWord(l_dataFifo[0]),
+ SBE::lower32BWord(l_dataFifo[0]));
// Insert the ECC if ECC Mode is set
if(l_isEccMode)
@@ -590,7 +605,6 @@ uint32_t processAduRequest(const sbeMemAccessReqMsgHdr_t &i_hdr,
l_ffdc.setRc(l_fapiRc);
break;
}
- l_addr += l_granuleSize;
// If this is a getmem request,
// need to push the data into the downstream FIFO
@@ -607,10 +621,10 @@ uint32_t processAduRequest(const sbeMemAccessReqMsgHdr_t &i_hdr,
//If the below condition is not met then for ADU Read Mode will
//happen to write on DownStream FIFO for each granule.
- //Calculate the MODULUS
- uint8_t l_mod = (l_granulesCompleted % 4);
if((l_isEccMode) || (l_isItagMode))
{
+ //Calculate the MODULUS
+ uint8_t l_mod = (l_granulesCompleted % 4);
if( (l_mod == 3) || ((l_granulesCompleted+1) == l_lenCacheAligned) )
{
l_len = calInterAduLenForUpFifo(l_mod,l_isItagMode,
@@ -627,10 +641,16 @@ uint32_t processAduRequest(const sbeMemAccessReqMsgHdr_t &i_hdr,
}
if(l_len)
{
+ SBE_DEBUG("l_dataFifo#3 0x%08x%08x", SBE::higher32BWord(l_dataFifo[0]),
+ SBE::lower32BWord(l_dataFifo[0]));
+ l_dataFifo[0] <<= (l_addr & 0x07) * 8;
+ SBE_DEBUG("l_dataFifo#4 0x%08x%08x", SBE::higher32BWord(l_dataFifo[0]),
+ SBE::lower32BWord(l_dataFifo[0]));
l_rc = sbeDownFifoEnq_mult (l_len, (uint32_t *)&l_dataFifo);
CHECK_SBE_RC_AND_BREAK_IF_NOT_SUCCESS(l_rc);
}
}
+ l_addr += l_granuleSize;
l_granulesCompleted++;
l_numCurrAcc++;
} // End inner while loop
@@ -661,6 +681,7 @@ uint32_t processAduRequest(const sbeMemAccessReqMsgHdr_t &i_hdr,
uint32_t l_len = 1;
uint32_t l_respLen = sbeAduLenInUpStreamFifo(
l_granulesCompleted,
+ l_granuleSize,
l_isItagMode,
l_isEccMode);
diff --git a/src/test/testcases/testAduMem.xml b/src/test/testcases/testAduMem.xml
index 51d2c2b2..2e38530c 100644
--- a/src/test/testcases/testAduMem.xml
+++ b/src/test/testcases/testAduMem.xml
@@ -5,7 +5,7 @@
<!-- -->
<!-- OpenPOWER sbe Project -->
<!-- -->
-<!-- Contributors Listed Below - COPYRIGHT 2016 -->
+<!-- Contributors Listed Below - COPYRIGHT 2016,2017 -->
<!-- [+] International Business Machines Corp. -->
<!-- -->
<!-- -->
@@ -40,4 +40,8 @@
<simcmd>run-python-file targets/p9_nimbus/sbeTest/testAduMem_noEccNoItag.py</simcmd>
<exitonerror>yes</exitonerror>
</testcase>
+ <testcase>
+ <simcmd>run-python-file targets/p9_nimbus/sbeTest/testAduMem_124B.py</simcmd>
+ <exitonerror>yes</exitonerror>
+ </testcase>
diff --git a/src/test/testcases/testAduMem_124B.py b/src/test/testcases/testAduMem_124B.py
new file mode 100644
index 00000000..100f7bb4
--- /dev/null
+++ b/src/test/testcases/testAduMem_124B.py
@@ -0,0 +1,95 @@
+# IBM_PROLOG_BEGIN_TAG
+# This is an automatically generated prolog.
+#
+# $Source: src/test/testcases/testAduMem_124B.py $
+#
+# OpenPOWER sbe Project
+#
+# Contributors Listed Below - COPYRIGHT 2017
+#
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# permissions and limitations under the License.
+#
+# IBM_PROLOG_END_TAG
+import sys
+import os
+import struct
+sys.path.append("targets/p9_nimbus/sbeTest" )
+import testUtil
+import testMemUtil as testMemProcUtil
+err = False
+
+
+
+# MAIN Test Run Starts Here...
+#-------------------------------------------------
+def main( ):
+ testUtil.runCycles( 10000000 )
+
+# Test case 1: 1byte access
+ #PutMemAdu Test
+ data = os.urandom(1)
+ data = [ord(c) for c in data]
+ testMemProcUtil.putmem(0x08000000, data, 0xA5)
+
+ # GetMemAdu test
+ readData = testMemProcUtil.getmem(0x08000000, 1, 0xA5)
+ if(data == readData):
+ print ("Success - Write-Read ADU")
+ else:
+ print data
+ print readData
+ raise Exception('data mistmach')
+
+# Test case 2: 2byte access
+ #PutMemAdu Test
+ data = os.urandom(2)
+ data = [ord(c) for c in data]
+ testMemProcUtil.putmem(0x08000000, data, 0xA5)
+
+ # GetMemAdu test
+ readData = testMemProcUtil.getmem(0x08000000, 2, 0xA5)
+ if(data == readData):
+ print ("Success - Write-Read ADU")
+ else:
+ print data
+ print readData
+ raise Exception('data mistmach')
+
+# Test case 3: 4byte access
+ #PutMemAdu Test
+ data = os.urandom(4)
+ data = [ord(c) for c in data]
+ testMemProcUtil.putmem(0x08000000, data, 0xA5)
+
+ # GetMemAdu test
+ readData = testMemProcUtil.getmem(0x08000000, 4, 0xA5)
+ if(data == readData):
+ print ("Success - Write-Read ADU")
+ else:
+ print data
+ print readData
+ raise Exception('data mistmach')
+
+#-------------------------------------------------
+# Calling all test code
+#-------------------------------------------------
+main()
+
+if err:
+ print ("\nTest Suite completed with error(s)")
+ #sys.exit(1)
+else:
+ print ("\nTest Suite completed with no errors")
+ #sys.exit(0);
+
diff --git a/src/test/testcases/testMemUtil.py b/src/test/testcases/testMemUtil.py
index 95ed304b..30bb94bd 100644
--- a/src/test/testcases/testMemUtil.py
+++ b/src/test/testcases/testMemUtil.py
@@ -6,6 +6,7 @@
# OpenPOWER sbe Project
#
# Contributors Listed Below - COPYRIGHT 2017
+# [+] International Business Machines Corp.
#
#
# Licensed under the Apache License, Version 2.0 (the "License");
@@ -56,6 +57,9 @@ def addItagEcc(arr, itag, ecc, eccVal=0):
return arrs
def putmem(addr, data, flags, ecc=0):
+ lenInBytes = len(data)
+ if(len(data) < 8):
+ data = data+[0]*(4-len(data))
totalLen = 5 + len(data)/4
req = (getsingleword(totalLen)
+[ 0,0,0xA4,0x02]
@@ -63,17 +67,16 @@ def putmem(addr, data, flags, ecc=0):
+gethalfword(flags)
#0,0,0x0,0xA5] #CoreChipletId/EccByte/Flags -> NoEccOverride/CacheInhibit/FastMode/NoTag/NoEcc/AutoIncr/Adu/Proc
+ getdoubleword(addr)
- + getsingleword(len(data)) # length of data
+ + getsingleword(lenInBytes) # length of data
+ data)
testUtil.writeUsFifo(req)
testUtil.writeEot( )
testUtil.runCycles( 10000000 )
- lenWritten = len(data)
if(flags & 0x0008):
- lenWritten += int(len(data)/8)
+ lenInBytes += int(len(data)/8)
if(flags & 0x0010):
- lenWritten += int(len(data)/8)
- expData = (getsingleword(lenWritten)
+ lenInBytes += int(len(data)/8)
+ expData = (getsingleword(lenInBytes)
+[0xc0,0xde,0xa4,0x02,
0x0,0x0,0x0,0x0,
0x00,0x0,0x0,0x03])
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