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MemTesterNX: A userspace utility for testing memory faults and stability based on [memtester](https://pyropus.ca/software/memtester/)

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KazushiM
2021-10-25 22:53:44 +08:00
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README.md
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@@ -28,6 +28,7 @@ Overclocking suite for Switch **(Mariko Only)** running on Atmosphere CFW. Suppo
- Option to change the threshold for chargers providing enough power
- Remove copyright watermark in screenshots/recordings, courtesy of [HookedBehemoth](https://github.com/HookedBehemoth/exefs_patches)
- **TinyMemBenchNX**: DRAM throughput and latency test based on [tinymembench](https://github.com/ssvb/tinymembench)
- **MemTesterNX**: A userspace utility for testing memory faults and stability based on [memtester](https://pyropus.ca/software/memtester/)
#### Details

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*.DS_Store
build/
*.elf
*.nacp
*.nro

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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
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Also add information on how to contact you by electronic and paper mail.
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You should also get your employer (if you work as a programmer) or your
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.

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Source/MemTesterNX/Makefile Normal file
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#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------
ifeq ($(strip $(DEVKITPRO)),)
$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>/devkitpro")
endif
TOPDIR ?= $(CURDIR)
include $(DEVKITPRO)/libnx/switch_rules
#---------------------------------------------------------------------------------
# TARGET is the name of the output
# BUILD is the directory where object files & intermediate files will be placed
# SOURCES is a list of directories containing source code
# DATA is a list of directories containing data files
# INCLUDES is a list of directories containing header files
# ROMFS is the directory containing data to be added to RomFS, relative to the Makefile (Optional)
#
# NO_ICON: if set to anything, do not use icon.
# NO_NACP: if set to anything, no .nacp file is generated.
# APP_TITLE is the name of the app stored in the .nacp file (Optional)
# APP_AUTHOR is the author of the app stored in the .nacp file (Optional)
# APP_VERSION is the version of the app stored in the .nacp file (Optional)
# APP_TITLEID is the titleID of the app stored in the .nacp file (Optional)
# ICON is the filename of the icon (.jpg), relative to the project folder.
# If not set, it attempts to use one of the following (in this order):
# - <Project name>.jpg
# - icon.jpg
# - <libnx folder>/default_icon.jpg
#
# CONFIG_JSON is the filename of the NPDM config file (.json), relative to the project folder.
# If not set, it attempts to use one of the following (in this order):
# - <Project name>.json
# - config.json
# If a JSON file is provided or autodetected, an ExeFS PFS0 (.nsp) is built instead
# of a homebrew executable (.nro). This is intended to be used for sysmodules.
# NACP building is skipped as well.
#---------------------------------------------------------------------------------
TARGET := $(notdir $(CURDIR))
BUILD := build
SOURCES := source
DATA := data
INCLUDES := include
#ROMFS := romfs
#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
ARCH := -march=armv8-a+crc+crypto -mtune=cortex-a57 -mtp=soft -fPIE -fPIC
CFLAGS := -g -Wall -O2 -ffunction-sections \
$(ARCH) $(DEFINES)
CFLAGS += $(INCLUDE) -D__SWITCH__
CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions
ASFLAGS := -g $(ARCH)
LDFLAGS = -specs=$(DEVKITPRO)/libnx/switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
LIBS := -lnx
#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS := $(PORTLIBS) $(LIBNX)
#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------
export OUTPUT := $(CURDIR)/$(TARGET)
export TOPDIR := $(CURDIR)
export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
$(foreach dir,$(DATA),$(CURDIR)/$(dir))
export DEPSDIR := $(CURDIR)/$(BUILD)
CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
ifeq ($(strip $(CPPFILES)),)
#---------------------------------------------------------------------------------
export LD := $(CC)
#---------------------------------------------------------------------------------
else
#---------------------------------------------------------------------------------
export LD := $(CXX)
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------
export OFILES_BIN := $(addsuffix .o,$(BINFILES))
export OFILES_SRC := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
export OFILES := $(OFILES_BIN) $(OFILES_SRC)
export HFILES_BIN := $(addsuffix .h,$(subst .,_,$(BINFILES)))
export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
-I$(CURDIR)/$(BUILD)
export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
ifeq ($(strip $(CONFIG_JSON)),)
jsons := $(wildcard *.json)
ifneq (,$(findstring $(TARGET).json,$(jsons)))
export APP_JSON := $(TOPDIR)/$(TARGET).json
else
ifneq (,$(findstring config.json,$(jsons)))
export APP_JSON := $(TOPDIR)/config.json
endif
endif
else
export APP_JSON := $(TOPDIR)/$(CONFIG_JSON)
endif
ifeq ($(strip $(ICON)),)
icons := $(wildcard *.jpg)
ifneq (,$(findstring $(TARGET).jpg,$(icons)))
export APP_ICON := $(TOPDIR)/$(TARGET).jpg
else
ifneq (,$(findstring icon.jpg,$(icons)))
export APP_ICON := $(TOPDIR)/icon.jpg
endif
endif
else
export APP_ICON := $(TOPDIR)/$(ICON)
endif
ifeq ($(strip $(NO_ICON)),)
export NROFLAGS += --icon=$(APP_ICON)
endif
ifeq ($(strip $(NO_NACP)),)
export NROFLAGS += --nacp=$(CURDIR)/$(TARGET).nacp
endif
ifneq ($(APP_TITLEID),)
export NACPFLAGS += --titleid=$(APP_TITLEID)
endif
ifneq ($(ROMFS),)
export NROFLAGS += --romfsdir=$(CURDIR)/$(ROMFS)
endif
.PHONY: $(BUILD) clean all
#---------------------------------------------------------------------------------
all: $(BUILD)
$(BUILD):
@[ -d $@ ] || mkdir -p $@
@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
#---------------------------------------------------------------------------------
clean:
@echo clean ...
ifeq ($(strip $(APP_JSON)),)
@rm -fr $(BUILD) $(TARGET).nro $(TARGET).nacp $(TARGET).elf
else
@rm -fr $(BUILD) $(TARGET).nsp $(TARGET).nso $(TARGET).npdm $(TARGET).elf
endif
#---------------------------------------------------------------------------------
else
.PHONY: all
DEPENDS := $(OFILES:.o=.d)
#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
ifeq ($(strip $(APP_JSON)),)
all : $(OUTPUT).nro
ifeq ($(strip $(NO_NACP)),)
$(OUTPUT).nro : $(OUTPUT).elf $(OUTPUT).nacp
else
$(OUTPUT).nro : $(OUTPUT).elf
endif
else
all : $(OUTPUT).nsp
$(OUTPUT).nsp : $(OUTPUT).nso $(OUTPUT).npdm
$(OUTPUT).nso : $(OUTPUT).elf
endif
$(OUTPUT).elf : $(OFILES)
$(OFILES_SRC) : $(HFILES_BIN)
#---------------------------------------------------------------------------------
# you need a rule like this for each extension you use as binary data
#---------------------------------------------------------------------------------
%.bin.o %_bin.h : %.bin
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@$(bin2o)
-include $(DEPENDS)
#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------

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/*
* memtester version 4
*
* Very simple but very effective user-space memory tester.
* Originally by Simon Kirby <sim@stormix.com> <sim@neato.org>
* Version 2 by Charles Cazabon <charlesc-memtester@pyropus.ca>
* Version 3 not publicly released.
* Version 4 rewrite:
* Copyright (C) 2004-2020 Charles Cazabon <charlesc-memtester@pyropus.ca>
* Licensed under the terms of the GNU General Public License version 2 (only).
* See the file COPYING for details.
*
*/
#define __version__ "4.5.1-full"
// Include the most common headers from the C standard library
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include "types.h"
#include "sizes.h"
#include "tests.h"
#include <switch.h>
PadState pad;
unsigned short dividend;
void waitForAnyKey() {
while (appletMainLoop())
{
padUpdate(&pad);
u64 kDown = padGetButtonsDown(&pad);
if (kDown)
break;
consoleUpdate(NULL);
}
}
void ShowErr(const char* err, const char* details, Result rc) {
AppletStorage errStor;
LibAppletArgs args;
AppletHolder currentApplet;
appletCreateLibraryApplet(&currentApplet, AppletId_LibraryAppletError, LibAppletMode_AllForeground);
libappletArgsCreate(&args, 1);
libappletArgsPush(&args, &currentApplet);
appletCreateStorage(&errStor, 0x1018);
u8 argBuf[0x1018] = {0};
argBuf[0] = 1;
*(u64*)&argBuf[8] = (((rc & 0x1ffu) + 2000) | (((rc >> 9) & 0x1fff & 0x1fffll) << 32));
strcpy((char*) &argBuf[24], err);
strcpy((char*) &argBuf[0x818], details);
appletStorageWrite(&errStor, 0, argBuf, 0x1018);
appletHolderPushInData(&currentApplet, &errStor);
appletHolderStart(&currentApplet);
appletHolderJoin(&currentApplet);
appletHolderClose(&currentApplet);
appletHolderRequestExit(&currentApplet);
}
struct test tests[] = {
{ "Random Value", test_random_value },
{ "Compare XOR", test_xor_comparison },
{ "Compare SUB", test_sub_comparison },
{ "Compare MUL", test_mul_comparison },
{ "Compare DIV",test_div_comparison },
{ "Compare OR", test_or_comparison },
{ "Compare AND", test_and_comparison },
{ "Sequential Increment", test_seqinc_comparison },
{ "Solid Bits", test_solidbits_comparison },
{ "Block Sequential", test_blockseq_comparison },
{ "Checkerboard", test_checkerboard_comparison },
{ "Bit Spread", test_bitspread_comparison },
{ "Bit Flip", test_bitflip_comparison },
{ "Walking Ones", test_walkbits1_comparison },
{ "Walking Zeroes", test_walkbits0_comparison },
#ifdef TEST_NARROW_WRITES
{ "8-bit Writes", test_8bit_wide_random },
{ "16-bit Writes", test_16bit_wide_random },
#endif
{ NULL, NULL }
};
int memtester_pagesize(void) {
printf("using pagesize of 4096\n");
return 4096;
}
/* Global vars - so tests have access to this information */
int use_phys = 0;
off_t physaddrbase = 0;
// Main program entrypoint
int main(int argc, char* argv[])
{
if(appletGetAppletType() != AppletType_Application) {
ShowErr("Running in applet mode\nMemTesterNX requires full memory mode.\nPlease launch hbmenu by holding R on an APP (e.g. a game) NOT an applet (e.g. Gallery)", "", 0);
return 0;
}
appletReportUserIsActive();
consoleInit(NULL);
padConfigureInput(1, HidNpadStyleSet_NpadStandard);
padInitializeDefault(&pad);
ul loop, i;
unsigned short div, maxdiv = 0;
size_t pagesize, wantraw, wantbytes[4], wantbytes_orig, bufsize[4], halflen, count;
ptrdiff_t pagesizemask;
void volatile *buf[4], *aligned[4];
ulv *bufa, *bufb;
int memshift;
ul testmask = 0;
ull totalmem = 0;
printf("MemTesterNX version " __version__ " (%d-bit)\n", UL_LEN);
printf("Based on memtester. Copyright (C) 2001-2020 Charles Cazabon.\n");
printf("Licensed under the GNU General Public License version 2 (only).\n\n");
printf("4.5.1-full supports full RAM test (up to 8GB for devkit).\n");
printf("It will looping forever until an error shows up or you manually exit to HOME screen.\n\n");
printf("Press A: long test\nPress B: fast test\nPress any other key: exit\n\n");
while (appletMainLoop())
{
padUpdate(&pad);
u64 kDown = padGetButtonsDown(&pad);
if (kDown & HidNpadButton_A)
{
dividend = 1;
break;
}
else if (kDown & HidNpadButton_B)
{
dividend = 4;
break;
}
else if (kDown)
{
consoleExit(NULL);
exit(0);
}
consoleUpdate(NULL);
}
pagesize = memtester_pagesize();
pagesizemask = (ptrdiff_t) ~(pagesize - 1);
printf("pagesizemask is 0x%tx\n", pagesizemask);
consoleUpdate(NULL);
memshift = 20; /* megabytes */
wantraw = 2048;
wantbytes_orig = ((size_t) wantraw << memshift);
// Allocate as much RAM as possible.
for(div = 0; div <= 3; div++)
{
buf[div] = NULL;
wantbytes[div] = wantbytes_orig;
while (!buf[div] && wantbytes[div]) {
buf[div] = (void volatile *) malloc(wantbytes[div]);
if (!buf[div])
wantbytes[div] -= pagesize;
}
bufsize[div] = wantbytes[div];
printf("Alloc %d: got %lluMB (%llu bytes)\n", div+1, (ull) wantbytes[div] >> 20, (ull) wantbytes[div]);
consoleUpdate(NULL);
/* Do alighnment here as well, as some cases won't trigger above if you
define out the use of mlock() (cough HP/UX 10 cough). */
if ((size_t) buf[div] % pagesize) {
/* printf("aligning to page -- was 0x%tx\n", buf); */
aligned[div] = (void volatile *) ((size_t) buf[div] & pagesizemask) + pagesize;
/* printf(" now 0x%tx -- lost %d bytes\n", aligned,
* (size_t) aligned - (size_t) buf);
*/
bufsize[div] -= ((size_t) aligned[div] - (size_t) buf[div]);
} else {
aligned[div] = buf[div];
}
totalmem += wantbytes[div];
if((wantbytes[div] >> 20) < 2047)
{
maxdiv = div;
break;
}
}
printf("\nTotal RAM allocated: %lldMB\n\n", totalmem >> 20);
consoleUpdate(NULL);
for(loop=1;;loop++)
{
printf("Loop %lu:\n", loop);
for(div=0; div<=maxdiv; div++)
{
printf("Alloc %d:\n", div+1);
printf(" %-20s: ", "Stuck Address");
consoleUpdate(NULL);
halflen = bufsize[div] / 2;
count = halflen / sizeof(ul);
bufa = (ulv *) aligned[div];
bufb = (ulv *) ((size_t) aligned[div] + halflen);
if (!test_stuck_address(aligned[div], bufsize[div] / sizeof(ul))) {
printf("ok\n");
}
else
{
printf("Alloc %d: Error!\nPress any key to exit.\n", div+1);
waitForAnyKey();
consoleExit(NULL);
return 0;
}
consoleUpdate(NULL);
for (i=0;;i++) {
if (!tests[i].name) break;
/* If using a custom testmask, only run this test if the
bit corresponding to this test was set by the user.
*/
if (testmask && (!((1 << i) & testmask))) {
continue;
}
printf(" %-20s: ", tests[i].name);
if (!tests[i].fp(bufa, bufb, count)) {
printf("ok\n");
}
else
{
printf("Alloc %d: Error!\nPress any key to exit.\n", div+1);
waitForAnyKey();
consoleExit(NULL);
return 0;
}
consoleUpdate(NULL);
/* clear buffer */
memset((void *) buf[div], 255, wantbytes[div]);
}
printf("\n");
consoleUpdate(NULL);
}
}
// Deinitialize and clean up resources used by the console (important!)
consoleExit(NULL);
return 0;
}

22
Source/MemTesterNX/source/memtester.h Executable file
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/*
* Very simple (yet, for some reason, very effective) memory tester.
* Originally by Simon Kirby <sim@stormix.com> <sim@neato.org>
* Version 2 by Charles Cazabon <charlesc-memtester@pyropus.ca>
* Version 3 not publicly released.
* Version 4 rewrite:
* Copyright (C) 2004-2020 Charles Cazabon <charlesc-memtester@pyropus.ca>
* Licensed under the terms of the GNU General Public License version 2 (only).
* See the file COPYING for details.
*
* This file contains the declarations for external variables from the main file.
* See other comments in that file.
*
*/
#include <sys/types.h>
/* extern declarations. */
extern int use_phys;
extern off_t physaddrbase;

38
Source/MemTesterNX/source/sizes.h Executable file
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/*
* Very simple but very effective user-space memory tester.
* Originally by Simon Kirby <sim@stormix.com> <sim@neato.org>
* Version 2 by Charles Cazabon <charlesc-memtester@pyropus.ca>
* Version 3 not publicly released.
* Version 4 rewrite:
* Copyright (C) 2004-2012 Charles Cazabon <charlesc-memtester@pyropus.ca>
* Licensed under the terms of the GNU General Public License version 2 (only).
* See the file COPYING for details.
*
* This file contains some macro definitions for handling 32/64 bit platforms.
*
*/
#include <limits.h>
#define rand32() ((unsigned int) rand() | ( (unsigned int) rand() << 16))
#if (ULONG_MAX == 4294967295UL)
#define rand_ul() rand32()
#define UL_ONEBITS 0xffffffff
#define UL_LEN 32
#define CHECKERBOARD1 0x55555555
#define CHECKERBOARD2 0xaaaaaaaa
#define UL_BYTE(x) ((x | x << 8 | x << 16 | x << 24))
#elif (ULONG_MAX == 18446744073709551615ULL)
#define rand64() (((ul) rand32()) << 32 | ((ul) rand32()))
#define rand_ul() rand64()
#define UL_ONEBITS 0xffffffffffffffffUL
#define UL_LEN 64
#define CHECKERBOARD1 0x5555555555555555
#define CHECKERBOARD2 0xaaaaaaaaaaaaaaaa
#define UL_BYTE(x) (((ul)x | (ul)x<<8 | (ul)x<<16 | (ul)x<<24 | (ul)x<<32 | (ul)x<<40 | (ul)x<<48 | (ul)x<<56))
#else
#error long on this platform is not 32 or 64 bits
#endif

513
Source/MemTesterNX/source/tests.c Executable file
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/*
* Very simple but very effective user-space memory tester.
* Originally by Simon Kirby <sim@stormix.com> <sim@neato.org>
* Version 2 by Charles Cazabon <charlesc-memtester@pyropus.ca>
* Version 3 not publicly released.
* Version 4 rewrite:
* Copyright (C) 2004-2020 Charles Cazabon <charlesc-memtester@pyropus.ca>
* Licensed under the terms of the GNU General Public License version 2 (only).
* See the file COPYING for details.
*
* This file contains the functions for the actual tests, called from the
* main routine in memtester.c. See other comments in that file.
*
*/
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include "tests.h"
#include "types.h"
#include "sizes.h"
#include "memtester.h"
#include <switch.h>
extern unsigned short dividend;
char progress[] = "-\\|/";
#define PROGRESSLEN 4
#define PROGRESSOFTEN 2000000
#define ONE 0x00000001L
union {
unsigned char bytes[UL_LEN/8];
ul val;
} mword8;
union {
unsigned short u16s[UL_LEN/16];
ul val;
} mword16;
/* Function definitions. */
int compare_regions(ulv *bufa, ulv *bufb, size_t count) {
int r = 0;
size_t i;
ulv *p1 = bufa;
ulv *p2 = bufb;
off_t physaddr;
for (i = 0; i < count; i++, p1++, p2++) {
if (*p1 != *p2) {
if (use_phys) {
physaddr = physaddrbase + (i * sizeof(ul));
printf("FAILURE: 0x%08lx != 0x%08lx at physical address 0x%08lx.\n", (ul) *p1, (ul) *p2, physaddr);
} else {
printf("FAILURE: 0x%08lx != 0x%08lx at offset 0x%08lx.\n", (ul) *p1, (ul) *p2, (ul) (i * sizeof(ul)));
}
consoleUpdate(NULL);
/* printf("Skipping to next test..."); */
r = -1;
}
}
return r;
}
int test_stuck_address(ulv *bufa, size_t count) {
ulv *p1 = bufa;
unsigned int j;
size_t i;
off_t physaddr;
printf(" ");
for (j = 0; j < (16 / dividend) ; j++) {
printf("\b\b\b\b\b\b\b\b\b\b\b");
p1 = (ulv *) bufa;
printf("setting %3u", j);
consoleUpdate(NULL);
for (i = 0; i < count; i++) {
*p1 = ((j + i) % 2) == 0 ? (ul) p1 : ~((ul) p1);
*p1++;
}
printf("\b\b\b\b\b\b\b\b\b\b\b");
printf("testing %3u", j);
consoleUpdate(NULL);
p1 = (ulv *) bufa;
for (i = 0; i < count; i++, p1++) {
if (*p1 != (((j + i) % 2) == 0 ? (ul) p1 : ~((ul) p1))) {
if (use_phys) {
physaddr = physaddrbase + (i * sizeof(ul));
printf("FAILURE: possible bad address line at physical address 0x%08lx.\n", physaddr);
} else {
printf("FAILURE: possible bad address line at offset 0x%08lx.\n", (ul) (i * sizeof(ul)));
}
printf("Skipping to next test...\n");
consoleUpdate(NULL);
return -1;
}
}
}
printf("\b\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b\b");
return 0;
}
int test_random_value(ulv *bufa, ulv *bufb, size_t count) {
ulv *p1 = bufa;
ulv *p2 = bufb;
ul j = 0;
size_t i;
putchar(' ');
for (i = 0; i < count; i++) {
*p1++ = *p2++ = rand_ul();
if (!(i % PROGRESSOFTEN)) {
putchar('\b');
putchar(progress[++j % PROGRESSLEN]);
consoleUpdate(NULL);
}
}
printf("\b \b");
consoleUpdate(NULL);
return compare_regions(bufa, bufb, count);
}
int test_xor_comparison(ulv *bufa, ulv *bufb, size_t count) {
ulv *p1 = bufa;
ulv *p2 = bufb;
size_t i;
ul q = rand_ul();
for (i = 0; i < count; i++) {
*p1++ ^= q;
*p2++ ^= q;
}
return compare_regions(bufa, bufb, count);
}
int test_sub_comparison(ulv *bufa, ulv *bufb, size_t count) {
ulv *p1 = bufa;
ulv *p2 = bufb;
size_t i;
ul q = rand_ul();
for (i = 0; i < count; i++) {
*p1++ -= q;
*p2++ -= q;
}
return compare_regions(bufa, bufb, count);
}
int test_mul_comparison(ulv *bufa, ulv *bufb, size_t count) {
ulv *p1 = bufa;
ulv *p2 = bufb;
size_t i;
ul q = rand_ul();
for (i = 0; i < count; i++) {
*p1++ *= q;
*p2++ *= q;
}
return compare_regions(bufa, bufb, count);
}
int test_div_comparison(ulv *bufa, ulv *bufb, size_t count) {
ulv *p1 = bufa;
ulv *p2 = bufb;
size_t i;
ul q = rand_ul();
for (i = 0; i < count; i++) {
if (!q) {
q++;
}
*p1++ /= q;
*p2++ /= q;
}
return compare_regions(bufa, bufb, count);
}
int test_or_comparison(ulv *bufa, ulv *bufb, size_t count) {
ulv *p1 = bufa;
ulv *p2 = bufb;
size_t i;
ul q = rand_ul();
for (i = 0; i < count; i++) {
*p1++ |= q;
*p2++ |= q;
}
return compare_regions(bufa, bufb, count);
}
int test_and_comparison(ulv *bufa, ulv *bufb, size_t count) {
ulv *p1 = bufa;
ulv *p2 = bufb;
size_t i;
ul q = rand_ul();
for (i = 0; i < count; i++) {
*p1++ &= q;
*p2++ &= q;
}
return compare_regions(bufa, bufb, count);
}
int test_seqinc_comparison(ulv *bufa, ulv *bufb, size_t count) {
ulv *p1 = bufa;
ulv *p2 = bufb;
size_t i;
ul q = rand_ul();
for (i = 0; i < count; i++) {
*p1++ = *p2++ = (i + q);
}
return compare_regions(bufa, bufb, count);
}
int test_solidbits_comparison(ulv *bufa, ulv *bufb, size_t count) {
ulv *p1 = bufa;
ulv *p2 = bufb;
unsigned int j;
ul q;
size_t i;
printf(" ");
for (j = 0; j < (64 / dividend / dividend); j++) {
printf("\b\b\b\b\b\b\b\b\b\b\b");
q = (j % 2) == 0 ? UL_ONEBITS : 0;
printf("setting %3u", j);
consoleUpdate(NULL);
p1 = (ulv *) bufa;
p2 = (ulv *) bufb;
for (i = 0; i < count; i++) {
*p1++ = *p2++ = (i % 2) == 0 ? q : ~q;
}
printf("\b\b\b\b\b\b\b\b\b\b\b");
printf("testing %3u", j);
consoleUpdate(NULL);
if (compare_regions(bufa, bufb, count)) {
return -1;
}
}
printf("\b\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b\b");
consoleUpdate(NULL);
return 0;
}
int test_checkerboard_comparison(ulv *bufa, ulv *bufb, size_t count) {
ulv *p1 = bufa;
ulv *p2 = bufb;
unsigned int j;
ul q;
size_t i;
printf(" ");
for (j = 0; j < (64 / dividend / dividend); j++) {
printf("\b\b\b\b\b\b\b\b\b\b\b");
q = (j % 2) == 0 ? CHECKERBOARD1 : CHECKERBOARD2;
printf("setting %3u", j);
consoleUpdate(NULL);
p1 = (ulv *) bufa;
p2 = (ulv *) bufb;
for (i = 0; i < count; i++) {
*p1++ = *p2++ = (i % 2) == 0 ? q : ~q;
}
printf("\b\b\b\b\b\b\b\b\b\b\b");
printf("testing %3u", j);
consoleUpdate(NULL);
if (compare_regions(bufa, bufb, count)) {
return -1;
}
}
printf("\b\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b\b");
consoleUpdate(NULL);
return 0;
}
int test_blockseq_comparison(ulv *bufa, ulv *bufb, size_t count) {
ulv *p1 = bufa;
ulv *p2 = bufb;
unsigned int j;
size_t i;
printf(" ");
for (j = 0; j < (64 / dividend / dividend) ; j++) {
printf("\b\b\b\b\b\b\b\b\b\b\b");
p1 = (ulv *) bufa;
p2 = (ulv *) bufb;
printf("setting %3u", j);
consoleUpdate(NULL);
for (i = 0; i < count; i++) {
*p1++ = *p2++ = (ul) UL_BYTE(j);
}
printf("\b\b\b\b\b\b\b\b\b\b\b");
printf("testing %3u", j);
consoleUpdate(NULL);
if (compare_regions(bufa, bufb, count)) {
return -1;
}
}
printf("\b\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b\b");
consoleUpdate(NULL);
return 0;
}
int test_walkbits0_comparison(ulv *bufa, ulv *bufb, size_t count) {
ulv *p1 = bufa;
ulv *p2 = bufb;
unsigned int j;
size_t i;
printf(" ");
for (j = 0; j < (UL_LEN * 2 / dividend / dividend); j++) {
printf("\b\b\b\b\b\b\b\b\b\b\b");
p1 = (ulv *) bufa;
p2 = (ulv *) bufb;
printf("setting %3u", j);
consoleUpdate(NULL);
for (i = 0; i < count; i++) {
if (j < UL_LEN) { /* Walk it up. */
*p1++ = *p2++ = ONE << j;
} else { /* Walk it back down. */
*p1++ = *p2++ = ONE << (UL_LEN * 2 - j - 1);
}
}
printf("\b\b\b\b\b\b\b\b\b\b\b");
printf("testing %3u", j);
consoleUpdate(NULL);
if (compare_regions(bufa, bufb, count)) {
return -1;
}
}
printf("\b\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b\b");
return 0;
}
int test_walkbits1_comparison(ulv *bufa, ulv *bufb, size_t count) {
ulv *p1 = bufa;
ulv *p2 = bufb;
unsigned int j;
size_t i;
printf(" ");
for (j = 0; j < (UL_LEN * 2 / dividend / dividend); j++) {
printf("\b\b\b\b\b\b\b\b\b\b\b");
p1 = (ulv *) bufa;
p2 = (ulv *) bufb;
printf("setting %3u", j);
consoleUpdate(NULL);
for (i = 0; i < count; i++) {
if (j < UL_LEN) { /* Walk it up. */
*p1++ = *p2++ = UL_ONEBITS ^ (ONE << j);
} else { /* Walk it back down. */
*p1++ = *p2++ = UL_ONEBITS ^ (ONE << (UL_LEN * 2 - j - 1));
}
}
printf("\b\b\b\b\b\b\b\b\b\b\b");
printf("testing %3u", j);
consoleUpdate(NULL);
if (compare_regions(bufa, bufb, count)) {
return -1;
}
}
printf("\b\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b\b");
return 0;
}
int test_bitspread_comparison(ulv *bufa, ulv *bufb, size_t count) {
ulv *p1 = bufa;
ulv *p2 = bufb;
unsigned int j;
size_t i;
printf(" ");
for (j = 0; j < (UL_LEN * 2 / dividend / dividend); j++) {
printf("\b\b\b\b\b\b\b\b\b\b\b");
p1 = (ulv *) bufa;
p2 = (ulv *) bufb;
printf("setting %3u", j);
consoleUpdate(NULL);
for (i = 0; i < count; i++) {
if (j < UL_LEN) { /* Walk it up. */
*p1++ = *p2++ = (i % 2 == 0)
? (ONE << j) | (ONE << (j + 2))
: UL_ONEBITS ^ ((ONE << j)
| (ONE << (j + 2)));
} else { /* Walk it back down. */
*p1++ = *p2++ = (i % 2 == 0)
? (ONE << (UL_LEN * 2 - 1 - j)) | (ONE << (UL_LEN * 2 + 1 - j))
: UL_ONEBITS ^ (ONE << (UL_LEN * 2 - 1 - j)
| (ONE << (UL_LEN * 2 + 1 - j)));
}
}
printf("\b\b\b\b\b\b\b\b\b\b\b");
printf("testing %3u", j);
consoleUpdate(NULL);
if (compare_regions(bufa, bufb, count)) {
return -1;
}
}
printf("\b\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b\b");
return 0;
}
int test_bitflip_comparison(ulv *bufa, ulv *bufb, size_t count) {
ulv *p1 = bufa;
ulv *p2 = bufb;
unsigned int j, k;
ul q;
size_t i;
printf(" ");
for (k = 0; k < (UL_LEN / dividend / dividend); k++) {
q = ONE << k;
for (j = 0; j < 8; j++) {
printf("\b\b\b\b\b\b\b\b\b\b\b");
q = ~q;
printf("setting %3u", k * 8 + j);
consoleUpdate(NULL);
p1 = (ulv *) bufa;
p2 = (ulv *) bufb;
for (i = 0; i < count; i++) {
*p1++ = *p2++ = (i % 2) == 0 ? q : ~q;
}
printf("\b\b\b\b\b\b\b\b\b\b\b");
printf("testing %3u", k * 8 + j);
consoleUpdate(NULL);
if (compare_regions(bufa, bufb, count)) {
return -1;
}
}
}
printf("\b\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b\b");
return 0;
}
#ifdef TEST_NARROW_WRITES
int test_8bit_wide_random(ulv* bufa, ulv* bufb, size_t count) {
u8v *p1, *t;
ulv *p2;
int attempt;
unsigned int b, j = 0;
size_t i;
putchar(' ');
for (attempt = 0; attempt < 2; attempt++) {
if (attempt & 1) {
p1 = (u8v *) bufa;
p2 = bufb;
} else {
p1 = (u8v *) bufb;
p2 = bufa;
}
for (i = 0; i < count; i++) {
t = mword8.bytes;
*p2++ = mword8.val = rand_ul();
for (b=0; b < UL_LEN/8; b++) {
*p1++ = *t++;
}
if (!(i % PROGRESSOFTEN)) {
putchar('\b');
putchar(progress[++j % PROGRESSLEN]);
consoleUpdate(NULL);
}
}
if (compare_regions(bufa, bufb, count)) {
return -1;
}
}
printf("\b \b");
consoleUpdate(NULL);
return 0;
}
int test_16bit_wide_random(ulv* bufa, ulv* bufb, size_t count) {
u16v *p1, *t;
ulv *p2;
int attempt;
unsigned int b, j = 0;
size_t i;
putchar( ' ' );
for (attempt = 0; attempt < 2; attempt++) {
if (attempt & 1) {
p1 = (u16v *) bufa;
p2 = bufb;
} else {
p1 = (u16v *) bufb;
p2 = bufa;
}
for (i = 0; i < count; i++) {
t = mword16.u16s;
*p2++ = mword16.val = rand_ul();
for (b = 0; b < UL_LEN/16; b++) {
*p1++ = *t++;
}
if (!(i % PROGRESSOFTEN)) {
putchar('\b');
putchar(progress[++j % PROGRESSLEN]);
consoleUpdate(NULL);
}
}
if (compare_regions(bufa, bufb, count)) {
return -1;
}
}
printf("\b \b");
consoleUpdate(NULL);
return 0;
}
#endif

39
Source/MemTesterNX/source/tests.h Executable file
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@@ -0,0 +1,39 @@
/*
* Very simple yet very effective memory tester.
* Originally by Simon Kirby <sim@stormix.com> <sim@neato.org>
* Version 2 by Charles Cazabon <charlesc-memtester@pyropus.ca>
* Version 3 not publicly released.
* Version 4 rewrite:
* Copyright (C) 2004-2020 Charles Cazabon <charlesc-memtester@pyropus.ca>
* Licensed under the terms of the GNU General Public License version 2 (only).
* See the file COPYING for details.
*
* This file contains the declarations for the functions for the actual tests,
* called from the main routine in memtester.c. See other comments in that
* file.
*
*/
/* Function declaration. */
int test_stuck_address(unsigned long volatile *bufa, size_t count);
int test_random_value(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
int test_xor_comparison(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
int test_sub_comparison(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
int test_mul_comparison(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
int test_div_comparison(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
int test_or_comparison(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
int test_and_comparison(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
int test_seqinc_comparison(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
int test_solidbits_comparison(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
int test_checkerboard_comparison(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
int test_blockseq_comparison(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
int test_walkbits0_comparison(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
int test_walkbits1_comparison(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
int test_bitspread_comparison(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
int test_bitflip_comparison(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
#ifdef TEST_NARROW_WRITES
int test_8bit_wide_random(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
int test_16bit_wide_random(unsigned long volatile *bufa, unsigned long volatile *bufb, size_t count);
#endif

26
Source/MemTesterNX/source/types.h Executable file
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/*
* Very simple but very effective user-space memory tester.
* Originally by Simon Kirby <sim@stormix.com> <sim@neato.org>
* Version 2 by Charles Cazabon <charlesc-memtester@pyropus.ca>
* Version 3 not publicly released.
* Version 4 rewrite:
* Copyright (C) 2004-2020 Charles Cazabon <charlesc-memtester@pyropus.ca>
* Licensed under the terms of the GNU General Public License version 2 (only).
* See the file COPYING for details.
*
* This file contains typedefs, structure, and union definitions.
*
*/
#include "sizes.h"
typedef unsigned long ul;
typedef unsigned long long ull;
typedef unsigned long volatile ulv;
typedef unsigned char volatile u8v;
typedef unsigned short volatile u16v;
struct test {
char *name;
int (*fp)();
};