+++ /dev/null
-/******************************************************************************
-*
-* Copyright (C) 2009 - 2015 Xilinx, Inc. All rights reserved.
-*
-* Permission is hereby granted, free of charge, to any person obtaining a copy
-* of this software and associated documentation files (the "Software"), to deal
-* in the Software without restriction, including without limitation the rights
-* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-* copies of the Software, and to permit persons to whom the Software is
-* furnished to do so, subject to the following conditions:
-*
-* The above copyright notice and this permission notice shall be included in
-* all copies or substantial portions of the Software.
-*
-* Use of the Software is limited solely to applications:
-* (a) running on a Xilinx device, or
-* (b) that interact with a Xilinx device through a bus or interconnect.
-*
-* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-* XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
-* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-* SOFTWARE.
-*
-* Except as contained in this notice, the name of the Xilinx shall not be used
-* in advertising or otherwise to promote the sale, use or other dealings in
-* this Software without prior written authorization from Xilinx.
-*
-******************************************************************************/
-/*****************************************************************************/
-/**
-*
-* @file xil_testmem.c
-*
-* Contains the memory test utility functions.
-*
-* <pre>
-* MODIFICATION HISTORY:
-*
-* Ver Who Date Changes
-* ----- ---- -------- -----------------------------------------------
-* 1.00a hbm 08/25/09 First release
-* </pre>
-*
-*****************************************************************************/
-
-/***************************** Include Files ********************************/
-#include "xil_testmem.h"
-#include "xil_io.h"
-#include "xil_assert.h"
-
-/************************** Constant Definitions ****************************/
-/************************** Function Prototypes *****************************/
-
-static u32 RotateLeft(u32 Input, u8 Width);
-
-/* define ROTATE_RIGHT to give access to this functionality */
-/* #define ROTATE_RIGHT */
-#ifdef ROTATE_RIGHT
-static u32 RotateRight(u32 Input, u8 Width);
-#endif /* ROTATE_RIGHT */
-
-
-/*****************************************************************************/
-/**
-*
-* Perform a destructive 32-bit wide memory test.
-*
-* @param Addr is a pointer to the region of memory to be tested.
-* @param Words is the length of the block.
-* @param Pattern is the constant used for the constant pattern test, if 0,
-* 0xDEADBEEF is used.
-* @param Subtest is the test selected. See xil_testmem.h for possible
-* values.
-*
-* @return
-*
-* - 0 is returned for a pass
-* - -1 is returned for a failure
-*
-* @note
-*
-* Used for spaces where the address range of the region is smaller than
-* the data width. If the memory range is greater than 2 ** Width,
-* the patterns used in XIL_TESTMEM_WALKONES and XIL_TESTMEM_WALKZEROS will
-* repeat on a boundry of a power of two making it more difficult to detect
-* addressing errors. The XIL_TESTMEM_INCREMENT and XIL_TESTMEM_INVERSEADDR
-* tests suffer the same problem. Ideally, if large blocks of memory are to be
-* tested, break them up into smaller regions of memory to allow the test
-* patterns used not to repeat over the region tested.
-*
-*****************************************************************************/
-s32 Xil_TestMem32(u32 *Addr, u32 Words, u32 Pattern, u8 Subtest)
-{
- u32 I;
- u32 j;
- u32 Val;
- u32 FirtVal;
- u32 WordMem32;
- s32 Status = 0;
-
- Xil_AssertNonvoid(Words != (u32)0);
- Xil_AssertNonvoid(Subtest <= (u8)XIL_TESTMEM_MAXTEST);
- Xil_AssertNonvoid(Addr != NULL);
-
- /*
- * variable initialization
- */
- Val = XIL_TESTMEM_INIT_VALUE;
- FirtVal = XIL_TESTMEM_INIT_VALUE;
-
-
- if((Subtest == XIL_TESTMEM_ALLMEMTESTS) || (Subtest == XIL_TESTMEM_INCREMENT)) {
- /*
- * Fill the memory with incrementing
- * values starting from 'FirtVal'
- */
- for (I = 0U; I < Words; I++) {
- *(Addr+I) = Val;
- Val++;
- }
-
- /*
- * Restore the reference 'Val' to the
- * initial value
- */
- Val = FirtVal;
-
- /*
- * Check every word within the words
- * of tested memory and compare it
- * with the incrementing reference
- * Val
- */
-
- for (I = 0U; I < Words; I++) {
- WordMem32 = *(Addr+I);
-
- if (WordMem32 != Val) {
- Status = -1;
- goto End_Label;
- }
-
- Val++;
- }
- }
-
- if((Subtest == XIL_TESTMEM_ALLMEMTESTS) || (Subtest == XIL_TESTMEM_WALKONES)) {
- /*
- * set up to cycle through all possible initial
- * test Patterns for walking ones test
- */
-
- for (j = 0U; j < (u32)32; j++) {
- /*
- * Generate an initial value for walking ones test
- * to test for bad data bits
- */
-
- Val = (1U << j);
-
- /*
- * START walking ones test
- * Write a one to each data bit indifferent locations
- */
-
- for (I = 0U; I < (u32)32; I++) {
- /* write memory location */
- *(Addr+I) = Val;
- Val = (u32) RotateLeft(Val, 32U);
- }
-
- /*
- * Restore the reference 'val' to the
- * initial value
- */
- Val = 1U << j;
-
- /* Read the values from each location that was
- * written */
- for (I = 0U; I < (u32)32; I++) {
- /* read memory location */
-
- WordMem32 = *(Addr+I);
-
- if (WordMem32 != Val) {
- Status = -1;
- goto End_Label;
- }
-
- Val = (u32)RotateLeft(Val, 32U);
- }
- }
- }
-
- if((Subtest == XIL_TESTMEM_ALLMEMTESTS) || (Subtest == XIL_TESTMEM_WALKZEROS)) {
- /*
- * set up to cycle through all possible
- * initial test Patterns for walking zeros test
- */
-
- for (j = 0U; j < (u32)32; j++) {
-
- /*
- * Generate an initial value for walking ones test
- * to test for bad data bits
- */
-
- Val = ~(1U << j);
-
- /*
- * START walking zeros test
- * Write a one to each data bit indifferent locations
- */
-
- for (I = 0U; I < (u32)32; I++) {
- /* write memory location */
- *(Addr+I) = Val;
- Val = ~((u32)RotateLeft(~Val, 32U));
- }
-
- /*
- * Restore the reference 'Val' to the
- * initial value
- */
-
- Val = ~(1U << j);
-
- /* Read the values from each location that was
- * written */
- for (I = 0U; I < (u32)32; I++) {
- /* read memory location */
- WordMem32 = *(Addr+I);
- if (WordMem32 != Val) {
- Status = -1;
- goto End_Label;
- }
- Val = ~((u32)RotateLeft(~Val, 32U));
- }
-
- }
- }
-
- if((Subtest == XIL_TESTMEM_ALLMEMTESTS) || (Subtest == XIL_TESTMEM_INVERSEADDR)) {
- /* Fill the memory with inverse of address */
- for (I = 0U; I < Words; I++) {
- /* write memory location */
- Val = (u32) (~((INTPTR) (&Addr[I])));
- *(Addr+I) = Val;
- }
-
- /*
- * Check every word within the words
- * of tested memory
- */
-
- for (I = 0U; I < Words; I++) {
- /* Read the location */
- WordMem32 = *(Addr+I);
- Val = (u32) (~((INTPTR) (&Addr[I])));
-
- if ((WordMem32 ^ Val) != 0x00000000U) {
- Status = -1;
- goto End_Label;
- }
- }
- }
-
- if((Subtest == XIL_TESTMEM_ALLMEMTESTS) || (Subtest == XIL_TESTMEM_FIXEDPATTERN)) {
- /*
- * Generate an initial value for
- * memory testing
- */
-
- if (Pattern == (u32)0) {
- Val = 0xDEADBEEFU;
- }
- else {
- Val = Pattern;
- }
-
- /*
- * Fill the memory with fixed Pattern
- */
-
- for (I = 0U; I < Words; I++) {
- /* write memory location */
- *(Addr+I) = Val;
- }
-
- /*
- * Check every word within the words
- * of tested memory and compare it
- * with the fixed Pattern
- */
-
- for (I = 0U; I < Words; I++) {
-
- /* read memory location */
-
- WordMem32 = *(Addr+I);
- if (WordMem32 != Val) {
- Status = -1;
- goto End_Label;
- }
- }
- }
-
-End_Label:
- return Status;
-}
-
-/*****************************************************************************/
-/**
-*
-* Perform a destructive 16-bit wide memory test.
-*
-* @param Addr is a pointer to the region of memory to be tested.
-* @param Words is the length of the block.
-* @param Pattern is the constant used for the constant Pattern test, if 0,
-* 0xDEADBEEF is used.
-* @param Subtest is the test selected. See xil_testmem.h for possible
-* values.
-*
-* @return
-*
-* - -1 is returned for a failure
-* - 0 is returned for a pass
-*
-* @note
-*
-* Used for spaces where the address range of the region is smaller than
-* the data width. If the memory range is greater than 2 ** Width,
-* the patterns used in XIL_TESTMEM_WALKONES and XIL_TESTMEM_WALKZEROS will
-* repeat on a boundry of a power of two making it more difficult to detect
-* addressing errors. The XIL_TESTMEM_INCREMENT and XIL_TESTMEM_INVERSEADDR
-* tests suffer the same problem. Ideally, if large blocks of memory are to be
-* tested, break them up into smaller regions of memory to allow the test
-* patterns used not to repeat over the region tested.
-*
-*****************************************************************************/
-s32 Xil_TestMem16(u16 *Addr, u32 Words, u16 Pattern, u8 Subtest)
-{
- u32 I;
- u32 j;
- u16 Val;
- u16 FirtVal;
- u16 WordMem16;
- s32 Status = 0;
-
- Xil_AssertNonvoid(Words != (u32)0);
- Xil_AssertNonvoid(Subtest <= XIL_TESTMEM_MAXTEST);
- Xil_AssertNonvoid(Addr != NULL);
-
- /*
- * variable initialization
- */
- Val = XIL_TESTMEM_INIT_VALUE;
- FirtVal = XIL_TESTMEM_INIT_VALUE;
-
- /*
- * selectthe proper Subtest(s)
- */
-
- if((Subtest == XIL_TESTMEM_ALLMEMTESTS) || (Subtest == XIL_TESTMEM_INCREMENT)) {
- /*
- * Fill the memory with incrementing
- * values starting from 'FirtVal'
- */
- for (I = 0U; I < Words; I++) {
- /* write memory location */
- *(Addr+I) = Val;
- Val++;
- }
- /*
- * Restore the reference 'Val' to the
- * initial value
- */
- Val = FirtVal;
-
- /*
- * Check every word within the words
- * of tested memory and compare it
- * with the incrementing reference val
- */
-
- for (I = 0U; I < Words; I++) {
- /* read memory location */
- WordMem16 = *(Addr+I);
- if (WordMem16 != Val) {
- Status = -1;
- goto End_Label;
- }
- Val++;
- }
- }
-
- if((Subtest == XIL_TESTMEM_ALLMEMTESTS) || (Subtest == XIL_TESTMEM_WALKONES)) {
- /*
- * set up to cycle through all possible initial test
- * Patterns for walking ones test
- */
-
- for (j = 0U; j < (u32)16; j++) {
- /*
- * Generate an initial value for walking ones test
- * to test for bad data bits
- */
-
- Val = (u16)((u32)1 << j);
- /*
- * START walking ones test
- * Write a one to each data bit indifferent locations
- */
-
- for (I = 0U; I < (u32)16; I++) {
- /* write memory location */
- *(Addr+I) = Val;
- Val = (u16)RotateLeft(Val, 16U);
- }
- /*
- * Restore the reference 'Val' to the
- * initial value
- */
- Val = (u16)((u32)1 << j);
- /* Read the values from each location that was written */
- for (I = 0U; I < (u32)16; I++) {
- /* read memory location */
- WordMem16 = *(Addr+I);
- if (WordMem16 != Val) {
- Status = -1;
- goto End_Label;
- }
- Val = (u16)RotateLeft(Val, 16U);
- }
- }
- }
-
- if((Subtest == XIL_TESTMEM_ALLMEMTESTS) || (Subtest == XIL_TESTMEM_WALKZEROS)) {
- /*
- * set up to cycle through all possible initial
- * test Patterns for walking zeros test
- */
-
- for (j = 0U; j < (u32)16; j++) {
- /*
- * Generate an initial value for walking ones
- * test to test for bad
- * data bits
- */
-
- Val = ~(1U << j);
- /*
- * START walking zeros test
- * Write a one to each data bit indifferent locations
- */
-
- for (I = 0U; I < (u32)16; I++) {
- /* write memory location */
- *(Addr+I) = Val;
- Val = ~((u16)RotateLeft(~Val, 16U));
- }
- /*
- * Restore the reference 'Val' to the
- * initial value
- */
- Val = ~(1U << j);
- /* Read the values from each location that was written */
- for (I = 0U; I < (u32)16; I++) {
- /* read memory location */
- WordMem16 = *(Addr+I);
- if (WordMem16 != Val) {
- Status = -1;
- goto End_Label;
- }
- Val = ~((u16)RotateLeft(~Val, 16U));
- }
-
- }
- }
-
- if((Subtest == XIL_TESTMEM_ALLMEMTESTS) || (Subtest == XIL_TESTMEM_INVERSEADDR)) {
- /* Fill the memory with inverse of address */
- for (I = 0U; I < Words; I++) {
- /* write memory location */
- Val = (u16) (~((INTPTR)(&Addr[I])));
- *(Addr+I) = Val;
- }
- /*
- * Check every word within the words
- * of tested memory
- */
-
- for (I = 0U; I < Words; I++) {
- /* read memory location */
- WordMem16 = *(Addr+I);
- Val = (u16) (~((INTPTR) (&Addr[I])));
- if ((WordMem16 ^ Val) != 0x0000U) {
- Status = -1;
- goto End_Label;
- }
- }
- }
-
- if((Subtest == XIL_TESTMEM_ALLMEMTESTS) || (Subtest == XIL_TESTMEM_FIXEDPATTERN)) {
- /*
- * Generate an initial value for
- * memory testing
- */
- if (Pattern == (u16)0) {
- Val = 0xDEADU;
- }
- else {
- Val = Pattern;
- }
-
- /*
- * Fill the memory with fixed pattern
- */
-
- for (I = 0U; I < Words; I++) {
- /* write memory location */
- *(Addr+I) = Val;
- }
-
- /*
- * Check every word within the words
- * of tested memory and compare it
- * with the fixed pattern
- */
-
- for (I = 0U; I < Words; I++) {
- /* read memory location */
- WordMem16 = *(Addr+I);
- if (WordMem16 != Val) {
- Status = -1;
- goto End_Label;
- }
- }
- }
-
-End_Label:
- return Status;
-}
-
-
-/*****************************************************************************/
-/**
-*
-* Perform a destructive 8-bit wide memory test.
-*
-* @param Addr is a pointer to the region of memory to be tested.
-* @param Words is the length of the block.
-* @param Pattern is the constant used for the constant pattern test, if 0,
-* 0xDEADBEEF is used.
-* @param Subtest is the test selected. See xil_testmem.h for possible
-* values.
-*
-* @return
-*
-* - -1 is returned for a failure
-* - 0 is returned for a pass
-*
-* @note
-*
-* Used for spaces where the address range of the region is smaller than
-* the data width. If the memory range is greater than 2 ** Width,
-* the patterns used in XIL_TESTMEM_WALKONES and XIL_TESTMEM_WALKZEROS will
-* repeat on a boundry of a power of two making it more difficult to detect
-* addressing errors. The XIL_TESTMEM_INCREMENT and XIL_TESTMEM_INVERSEADDR
-* tests suffer the same problem. Ideally, if large blocks of memory are to be
-* tested, break them up into smaller regions of memory to allow the test
-* patterns used not to repeat over the region tested.
-*
-*****************************************************************************/
-s32 Xil_TestMem8(u8 *Addr, u32 Words, u8 Pattern, u8 Subtest)
-{
- u32 I;
- u32 j;
- u8 Val;
- u8 FirtVal;
- u8 WordMem8;
- s32 Status = 0;
-
- Xil_AssertNonvoid(Words != (u32)0);
- Xil_AssertNonvoid(Subtest <= XIL_TESTMEM_MAXTEST);
- Xil_AssertNonvoid(Addr != NULL);
-
- /*
- * variable initialization
- */
- Val = XIL_TESTMEM_INIT_VALUE;
- FirtVal = XIL_TESTMEM_INIT_VALUE;
-
- /*
- * select the proper Subtest(s)
- */
-
- if((Subtest == XIL_TESTMEM_ALLMEMTESTS) || (Subtest == XIL_TESTMEM_INCREMENT)) {
- /*
- * Fill the memory with incrementing
- * values starting from 'FirtVal'
- */
- for (I = 0U; I < Words; I++) {
- /* write memory location */
- *(Addr+I) = Val;
- Val++;
- }
- /*
- * Restore the reference 'Val' to the
- * initial value
- */
- Val = FirtVal;
- /*
- * Check every word within the words
- * of tested memory and compare it
- * with the incrementing reference
- * Val
- */
-
- for (I = 0U; I < Words; I++) {
- /* read memory location */
- WordMem8 = *(Addr+I);
- if (WordMem8 != Val) {
- Status = -1;
- goto End_Label;
- }
- Val++;
- }
- }
-
- if((Subtest == XIL_TESTMEM_ALLMEMTESTS) || (Subtest == XIL_TESTMEM_WALKONES)) {
- /*
- * set up to cycle through all possible initial
- * test Patterns for walking ones test
- */
-
- for (j = 0U; j < (u32)8; j++) {
- /*
- * Generate an initial value for walking ones test
- * to test for bad data bits
- */
- Val = (u8)((u32)1 << j);
- /*
- * START walking ones test
- * Write a one to each data bit indifferent locations
- */
- for (I = 0U; I < (u32)8; I++) {
- /* write memory location */
- *(Addr+I) = Val;
- Val = (u8)RotateLeft(Val, 8U);
- }
- /*
- * Restore the reference 'Val' to the
- * initial value
- */
- Val = (u8)((u32)1 << j);
- /* Read the values from each location that was written */
- for (I = 0U; I < (u32)8; I++) {
- /* read memory location */
- WordMem8 = *(Addr+I);
- if (WordMem8 != Val) {
- Status = -1;
- goto End_Label;
- }
- Val = (u8)RotateLeft(Val, 8U);
- }
- }
- }
-
- if((Subtest == XIL_TESTMEM_ALLMEMTESTS) || (Subtest == XIL_TESTMEM_WALKZEROS)) {
- /*
- * set up to cycle through all possible initial test
- * Patterns for walking zeros test
- */
-
- for (j = 0U; j < (u32)8; j++) {
- /*
- * Generate an initial value for walking ones test to test
- * for bad data bits
- */
- Val = ~(1U << j);
- /*
- * START walking zeros test
- * Write a one to each data bit indifferent locations
- */
- for (I = 0U; I < (u32)8; I++) {
- /* write memory location */
- *(Addr+I) = Val;
- Val = ~((u8)RotateLeft(~Val, 8U));
- }
- /*
- * Restore the reference 'Val' to the
- * initial value
- */
- Val = ~(1U << j);
- /* Read the values from each location that was written */
- for (I = 0U; I < (u32)8; I++) {
- /* read memory location */
- WordMem8 = *(Addr+I);
- if (WordMem8 != Val) {
- Status = -1;
- goto End_Label;
- }
-
- Val = ~((u8)RotateLeft(~Val, 8U));
- }
- }
- }
-
- if((Subtest == XIL_TESTMEM_ALLMEMTESTS) || (Subtest == XIL_TESTMEM_INVERSEADDR)) {
- /* Fill the memory with inverse of address */
- for (I = 0U; I < Words; I++) {
- /* write memory location */
- Val = (u8) (~((INTPTR) (&Addr[I])));
- *(Addr+I) = Val;
- }
-
- /*
- * Check every word within the words
- * of tested memory
- */
-
- for (I = 0U; I < Words; I++) {
- /* read memory location */
- WordMem8 = *(Addr+I);
- Val = (u8) (~((INTPTR) (&Addr[I])));
- if ((WordMem8 ^ Val) != 0x00U) {
- Status = -1;
- goto End_Label;
- }
- }
- }
-
- if((Subtest == XIL_TESTMEM_ALLMEMTESTS) || (Subtest == XIL_TESTMEM_FIXEDPATTERN)) {
- /*
- * Generate an initial value for
- * memory testing
- */
-
- if (Pattern == (u8)0) {
- Val = 0xA5U;
- }
- else {
- Val = Pattern;
- }
- /*
- * Fill the memory with fixed Pattern
- */
- for (I = 0U; I < Words; I++) {
- /* write memory location */
- *(Addr+I) = Val;
- }
- /*
- * Check every word within the words
- * of tested memory and compare it
- * with the fixed Pattern
- */
-
- for (I = 0U; I < Words; I++) {
- /* read memory location */
- WordMem8 = *(Addr+I);
- if (WordMem8 != Val) {
- Status = -1;
- goto End_Label;
- }
- }
- }
-
-End_Label:
- return Status;
-}
-
-
-/*****************************************************************************/
-/**
-*
-* Rotates the provided value to the left one bit position
-*
-* @param Input is value to be rotated to the left
-* @param Width is the number of bits in the input data
-*
-* @return
-*
-* The resulting unsigned long value of the rotate left
-*
-* @note
-*
-* None.
-*
-*****************************************************************************/
-static u32 RotateLeft(u32 Input, u8 Width)
-{
- u32 Msb;
- u32 ReturnVal;
- u32 WidthMask;
- u32 MsbMask;
- u32 LocalInput = Input;
-
- /*
- * set up the WidthMask and the MsbMask
- */
-
- MsbMask = 1U << (Width - 1U);
-
- WidthMask = (MsbMask << (u32)1) - (u32)1;
-
- /*
- * set the Width of the Input to the correct width
- */
-
- LocalInput = LocalInput & WidthMask;
-
- Msb = LocalInput & MsbMask;
-
- ReturnVal = LocalInput << 1U;
-
- if (Msb != 0x00000000U) {
- ReturnVal = ReturnVal | (u32)0x00000001;
- }
-
- ReturnVal = ReturnVal & WidthMask;
-
- return ReturnVal;
-
-}
-
-#ifdef ROTATE_RIGHT
-/*****************************************************************************/
-/**
-*
-* Rotates the provided value to the right one bit position
-*
-* @param Input is value to be rotated to the right
-* @param Width is the number of bits in the input data
-*
-* @return
-*
-* The resulting u32 value of the rotate right
-*
-* @note
-*
-* None.
-*
-*****************************************************************************/
-static u32 RotateRight(u32 Input, u8 Width)
-{
- u32 Lsb;
- u32 ReturnVal;
- u32 WidthMask;
- u32 MsbMask;
- u32 LocalInput = Input;
- /*
- * set up the WidthMask and the MsbMask
- */
-
- MsbMask = 1U << (Width - 1U);
-
- WidthMask = (MsbMask << 1U) - 1U;
-
- /*
- * set the width of the input to the correct width
- */
-
- LocalInput = LocalInput & WidthMask;
-
- ReturnVal = LocalInput >> 1U;
-
- Lsb = LocalInput & 0x00000001U;
-
- if (Lsb != 0x00000000U) {
- ReturnVal = ReturnVal | MsbMask;
- }
-
- ReturnVal = ReturnVal & WidthMask;
-
- return ReturnVal;
-
-}
-#endif /* ROTATE_RIGHT */
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