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Limit walking test loops to available words #3

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Limit walking test loops to available words #3

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29 changes: 16 additions & 13 deletions ...tModule/sdk/SaturnV3Ethernet_bsp/microblaze_0/libsrc/standalone_v3_11_a/src/xil_testmem.c
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Original file line number Diff line number Diff line change
Expand Up @@ -104,20 +104,23 @@ static u32 RotateRight(u32 Input, u8 Width);
*****************************************************************************/
int Xil_TestMem32(u32 *Addr, u32 Words, u32 Pattern, u8 Subtest)
{
u32 I;
u32 J;
u32 Val;
u32 FirtVal;
u32 Word;
u32 I;
u32 J;
u32 Val;
u32 FirtVal;
u32 Word;
u32 Max;

Xil_AssertNonvoid(Words != 0);
Xil_AssertNonvoid(Subtest <= XIL_TESTMEM_MAXTEST);

/*
* variable initialization
*/
Val = XIL_TESTMEM_INIT_VALUE;
FirtVal = XIL_TESTMEM_INIT_VALUE;
Val = XIL_TESTMEM_INIT_VALUE;
FirtVal = XIL_TESTMEM_INIT_VALUE;
/* Limit iterations to prevent overrunning when fewer than 32 words */
Max = (Words < 32U) ? Words : 32U;

/*
* Select the proper Subtest
Expand Down Expand Up @@ -180,7 +183,7 @@ int Xil_TestMem32(u32 *Addr, u32 Words, u32 Pattern, u8 Subtest)
* test Patterns for walking ones test
*/

for (J = 0L; J < 32; J++) {
for (J = 0L; J < Max; J++) {
/*
* Generate an initial value for walking ones test
* to test for bad data bits
Expand All @@ -193,7 +196,7 @@ int Xil_TestMem32(u32 *Addr, u32 Words, u32 Pattern, u8 Subtest)
* Write a one to each data bit indifferent locations
*/

for (I = 0L; I < 32; I++) {
for (I = 0L; I < Max; I++) {
/* write memory location */
Addr[I] = Val;
Val = (u32) RotateLeft(Val, 32);
Expand All @@ -207,7 +210,7 @@ int Xil_TestMem32(u32 *Addr, u32 Words, u32 Pattern, u8 Subtest)

/* Read the values from each location that was
* written */
for (I = 0L; I < 32; I++) {
for (I = 0L; I < Max; I++) {
/* read memory location */

Word = Addr[I];
Expand All @@ -234,7 +237,7 @@ int Xil_TestMem32(u32 *Addr, u32 Words, u32 Pattern, u8 Subtest)
* initial test Patterns for walking zeros test
*/

for (J = 0L; J < 32; J++) {
for (J = 0L; J < Max; J++) {

/*
* Generate an initial value for walking ones test
Expand All @@ -248,7 +251,7 @@ int Xil_TestMem32(u32 *Addr, u32 Words, u32 Pattern, u8 Subtest)
* Write a one to each data bit indifferent locations
*/

for (I = 0L; I < 32; I++) {
for (I = 0L; I < Max; I++) {
/* write memory location */
Addr[I] = Val;
Val = ~((u32)RotateLeft(~Val, 32));
Expand All @@ -263,7 +266,7 @@ int Xil_TestMem32(u32 *Addr, u32 Words, u32 Pattern, u8 Subtest)

/* Read the values from each location that was
* written */
for (I = 0L; I < 32; I++) {
for (I = 0L; I < Max; I++) {
/* read memory location */
Word = Addr[I];
if (Word != Val) {
Expand Down