From c3b58f41db5de1202161aceab9350b6fb2c449db Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Wed, 27 Mar 2013 00:03:25 +0000
Subject: [PATCH] Add apps/system/ramtest. I will use this for the LPC1788
SDRAM bringup
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5791 42af7a65-404d-4744-a932-0658087f49c3
---
ChangeLog.txt | 2 +
system/Kconfig | 4 +
system/Make.defs | 4 +
system/ramtest/Kconfig | 10 +
system/ramtest/Makefile | 115 ++++++++++
system/ramtest/ramtest.c | 483 +++++++++++++++++++++++++++++++++++++++
6 files changed, 618 insertions(+)
create mode 100644 system/ramtest/Kconfig
create mode 100644 system/ramtest/Makefile
create mode 100644 system/ramtest/ramtest.c
diff --git a/ChangeLog.txt b/ChangeLog.txt
index 7d8333ca1..96e3dbec8 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -524,3 +524,5 @@
would terminate because it thought it was the end of file.
6.27 2013-xx-xx Gregory Nutt <gnutt@nuttx.org>
+
+ * apps/system/ramtest: Add a simple memory test (2013-03-26).
diff --git a/system/Kconfig b/system/Kconfig
index 6c8651088..8491d34ed 100644
--- a/system/Kconfig
+++ b/system/Kconfig
@@ -15,6 +15,10 @@ menu "FLASH Program Installation"
source "$APPSDIR/system/install/Kconfig"
endmenu
+menu "RAM Test"
+source "$APPSDIR/system/ramtest/Kconfig"
+endmenu
+
menu "readline()"
source "$APPSDIR/system/readline/Kconfig"
endmenu
diff --git a/system/Make.defs b/system/Make.defs
index 3c679f112..c0099684a 100644
--- a/system/Make.defs
+++ b/system/Make.defs
@@ -46,6 +46,10 @@ ifeq ($(CONFIG_SYSTEM_INSTALL),y)
CONFIGURED_APPS += system/install
endif
+ifeq ($(CONFIG_SYSTEM_RAMTEST),y)
+CONFIGURED_APPS += system/ramtest
+endif
+
ifeq ($(CONFIG_SYSTEM_READLINE),y)
CONFIGURED_APPS += system/readline
endif
diff --git a/system/ramtest/Kconfig b/system/ramtest/Kconfig
new file mode 100644
index 000000000..5e7e479f0
--- /dev/null
+++ b/system/ramtest/Kconfig
@@ -0,0 +1,10 @@
+#
+# For a description of the syntax of this configuration file,
+# see misc/tools/kconfig-language.txt.
+#
+
+config SYSTEM_RAMTEST
+ bool "RAM Test"
+ default n
+ ---help---
+ Enable a simple RAM test.
diff --git a/system/ramtest/Makefile b/system/ramtest/Makefile
new file mode 100644
index 000000000..a208f6e5b
--- /dev/null
+++ b/system/ramtest/Makefile
@@ -0,0 +1,115 @@
+############################################################################
+# apps/system/ramtest/Makefile
+#
+# Copyright (C) 2013 Gregory Nutt. All rights reserved.
+# Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in
+# the documentation and/or other materials provided with the
+# distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+# used to endorse or promote products derived from this software
+# without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+-include $(TOPDIR)/.config
+-include $(TOPDIR)/Make.defs
+include $(APPDIR)/Make.defs
+
+ifeq ($(WINTOOL),y)
+INCDIROPT = -w
+endif
+
+# USB Monitor Application
+
+PRIORITY = SCHED_PRIORITY_DEFAULT
+STACKSIZE = 768
+
+ASRCS =
+CSRCS = ramtest.c
+
+AOBJS = $(ASRCS:.S=$(OBJEXT))
+COBJS = $(CSRCS:.c=$(OBJEXT))
+
+SRCS = $(ASRCS) $(CSRCS)
+OBJS = $(AOBJS) $(COBJS)
+
+ifeq ($(CONFIG_WINDOWS_NATIVE),y)
+ BIN = ..\..\libapps$(LIBEXT)
+else
+ifeq ($(WINTOOL),y)
+ BIN = ..\\..\\libapps$(LIBEXT)
+else
+ BIN = ../../libapps$(LIBEXT)
+endif
+endif
+
+ROOTDEPPATH = --dep-path .
+
+# Common build
+
+VPATH =
+
+all: .built
+.PHONY: context depend clean distclean
+
+$(AOBJS): %$(OBJEXT): %.S
+ $(call ASSEMBLE, $<, $@)
+
+$(COBJS): %$(OBJEXT): %.c
+ $(call COMPILE, $<, $@)
+
+.built: $(OBJS)
+ $(call ARCHIVE, $(BIN), $(OBJS))
+ $(Q) touch .built
+
+# Register application
+
+ifeq ($(CONFIG_NSH_BUILTIN_APPS),y)
+$(BUILTIN_REGISTRY)$(DELIM)ramtest.bdat: $(DEPCONFIG) Makefile
+ $(call REGISTER,"ramtest",$(PRIORITY),$(STACKSIZE),ramtest_main)
+
+context: $(BUILTIN_REGISTRY)$(DELIM)ramtest.bdat
+else
+context:
+endif
+
+# Create dependencies
+
+.depend: Makefile $(SRCS)
+ $(Q) $(MKDEP) $(ROOTDEPPATH) "$(CC)" -- $(CFLAGS) -- $(SRCS) >Make.dep
+ $(Q) touch $@
+
+depend: .depend
+
+clean:
+ $(call DELFILE, .built)
+ $(call CLEAN)
+
+distclean: clean
+ $(call DELFILE, Make.dep)
+ $(call DELFILE, .depend)
+
+-include Make.dep
+
diff --git a/system/ramtest/ramtest.c b/system/ramtest/ramtest.c
new file mode 100644
index 000000000..120b1732c
--- /dev/null
+++ b/system/ramtest/ramtest.c
@@ -0,0 +1,483 @@
+/****************************************************************************
+ * apps/system/ramtest/ramtest.c
+ *
+ * Copyright (C) 2013 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/progmem.h>
+
+#include <sys/types.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sched.h>
+#include <syslog.h>
+#include <errno.h>
+
+#include <nuttx/usb/usbdev_trace.h>
+
+#ifdef CONFIG_SYSTEM_RAMTEST
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define RAMTEST_PREFIX "RAMTest: "
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+struct ramtest_s
+{
+ uint8_t width;
+ uintptr_t start;
+ size_t size;
+ uint32_t mask;
+};
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+static void show_usage(FAR const char *progname, int exitcode)
+{
+ printf("\nUsage: %s [-w|h|b] <hex-address> <decimal-size>\n", progname);
+ printf("\nWhere:\n");
+ printf(" <hex-address> starting address of the test.");
+ printf(" <decimal-size> number of memory locations.");
+ printf(" -w Sets the width of a memory location to 32-bits.");
+ printf(" -h Sets the width of a memory location to 16-bits (default).");
+ printf(" -b Sets the width of a memory location to 8-bits.");
+ exit(exitcode);
+}
+
+static void parse_commandline(int argc, char **argv, FAR struct ramtest_s *info)
+{
+ FAR char *ptr;
+ int option;
+
+ while ((option = getopt(argc, argv, "whb")) != ERROR)
+ {
+ if (option == 'w')
+ {
+ info->width = 32;
+ info->mask = 0xffffffff;
+ }
+ else if (option == 'h')
+ {
+ info->width = 16;
+ info->mask = 0x0000ffff;
+ }
+ else if (option == 'b')
+ {
+ info->width = 8;
+ info->mask = 0x000000ff;
+ }
+ else
+ {
+ printf(RAMTEST_PREFIX "Unrecognized option: '%c'\n", option);
+ show_usage(argv[0], EXIT_FAILURE);
+ }
+ }
+
+ /* There should be two parameters remaining on the command line */
+
+ if (optind >= argc)
+ {
+ printf(RAMTEST_PREFIX "Missing required arguments\n");
+ show_usage(argv[0], EXIT_FAILURE);
+ }
+
+ info->start = (uintptr_t)strtoul(argv[optind], &ptr, 16);
+ if (*ptr != '\0');
+ {
+ printf(RAMTEST_PREFIX "Invalid <hex-address>\n");
+ show_usage(argv[0], EXIT_FAILURE);
+ }
+
+ optind++;
+
+ if (optind >= argc)
+ {
+ printf(RAMTEST_PREFIX "Missing <decimal-size>\n");
+ show_usage(argv[0], EXIT_FAILURE);
+ }
+
+ info->size = (size_t)strtoul(argv[optind], &ptr, 10);
+ if (*ptr != '\0');
+ {
+ printf(RAMTEST_PREFIX "Invalid <decimal-size>\n");
+ show_usage(argv[0], EXIT_FAILURE);
+ }
+
+ if (optind != argc)
+ {
+ printf(RAMTEST_PREFIX "Too many arguments\n");
+ show_usage(argv[0], EXIT_FAILURE);
+ }
+}
+
+static void write_memory(FAR struct ramtest_s *info, uint32_t value)
+{
+ size_t i;
+
+ if (info->width == 32)
+ {
+ uint32_t *ptr = (uint32_t*)info->start;
+ for (i = 0; i < info->size; i++)
+ {
+ *ptr++ = value;
+ }
+ }
+ else if (info->width == 16)
+ {
+ uint16_t *ptr = (uint16_t*)info->start;
+ for (i = 0; i < info->size; i++)
+ {
+ *ptr++ = (uint16_t)value;
+ }
+ }
+ else /* if (info->width == 8) */
+ {
+ uint8_t *ptr = (uint8_t*)info->start;
+ for (i = 0; i < info->size; i++)
+ {
+ *ptr++ = (uint8_t)value;
+ }
+ }
+}
+
+static void verify_memory(FAR struct ramtest_s *info, uint32_t value)
+{
+ size_t i;
+
+ if (info->width == 32)
+ {
+ uint32_t *ptr = (uint32_t*)info->start;
+ for (i = 0; i < info->size; i++)
+ {
+ if (*ptr != value)
+ {
+ printf(RAMTEST_PREFIX "ERROR: Address %p Found: %08x Expected %08x\n",
+ ptr, *ptr, value);
+ }
+
+ ptr++;
+ }
+ }
+ else if (info->width == 16)
+ {
+ uint16_t value16 = (uint16_t)(value & 0x0000ffff);
+ uint16_t *ptr = (uint16_t*)info->start;
+ for (i = 0; i < info->size; i++)
+ {
+ if (*ptr != value16)
+ {
+ printf(RAMTEST_PREFIX "ERROR: Address %p Found: %04x Expected %04x\n",
+ ptr, *ptr, value16);
+ }
+
+ ptr++;
+ }
+ }
+ else /* if (info->width == 8) */
+ {
+ uint8_t value8 = (uint8_t)(value & 0x000000ff);
+ uint8_t *ptr = (uint8_t*)info->start;
+ for (i = 0; i < info->size; i++)
+ {
+ if (*ptr != value8)
+ {
+ printf(RAMTEST_PREFIX "ERROR: Address %p Found: %02x Expected %02x\n",
+ ptr, *ptr, value8);
+ }
+
+ ptr++;
+ }
+ }
+}
+
+static void marching_ones(FAR struct ramtest_s *info)
+{
+ uint32_t pattern = 0x00000001;
+
+ while (pattern != 0)
+ {
+ write_memory(info, pattern);
+ verify_memory(info, pattern);
+ pattern <<= 1;
+ pattern &= info->mask;
+ }
+}
+
+static void marching_zeros(FAR struct ramtest_s *info)
+{
+ uint32_t pattern = 0xfffffffe;
+
+ while (pattern != 0xffffffff)
+ {
+ write_memory(info, pattern);
+ verify_memory(info, pattern);
+ pattern <<= 1;
+ pattern |= 1;
+ pattern |= ~info->mask;
+ }
+}
+
+static void write_memory2(FAR struct ramtest_s *info, uint32_t value_1, uint32_t value_2)
+{
+ size_t even_size = info->size & ~1;
+ size_t i;
+
+ if (info->width == 32)
+ {
+ uint32_t *ptr = (uint32_t*)info->start;
+ for (i = 0; i < even_size; i += 2)
+ {
+ *ptr++ = value_1;
+ *ptr++ = value_2;
+ }
+ }
+ else if (info->width == 16)
+ {
+ uint16_t *ptr = (uint16_t*)info->start;
+ for (i = 0; i < even_size; i += 2)
+ {
+ *ptr++ = (uint16_t)value_1;
+ *ptr++ = (uint16_t)value_2;
+ }
+ }
+ else /* if (info->width == 8) */
+ {
+ uint8_t *ptr = (uint8_t*)info->start;
+ for (i = 0; i < even_size; i += 2)
+ {
+ *ptr++ = (uint8_t)value_1;
+ *ptr++ = (uint8_t)value_2;
+ }
+ }
+}
+
+static void verify_memory2(FAR struct ramtest_s *info, uint32_t value_1, uint32_t value_2)
+{
+ size_t even_size = info->size & ~1;
+ size_t i;
+
+ if (info->width == 32)
+ {
+ uint32_t *ptr = (uint32_t*)info->start;
+ for (i = 0; i < even_size; i += 2)
+ {
+ if (ptr[0] != value_1 || ptr[1] != value_2)
+ {
+ printf(RAMTEST_PREFIX "ERROR: Address %p Found: %08x and %08x\n",
+ ptr, ptr[0], ptr[1]);
+ printf(RAMTEST_PREFIX " Expected: %08x and %08x\n",
+ value_1, value_2);
+ }
+
+ ptr += 2;
+ }
+ }
+ else if (info->width == 16)
+ {
+ uint16_t value16_1 = (uint16_t)(value_1 & 0x0000ffff);
+ uint16_t value16_2 = (uint16_t)(value_2 & 0x0000ffff);
+ uint16_t *ptr = (uint16_t*)info->start;
+ for (i = 0; i < even_size; i += 2)
+ {
+ if (ptr[0] != value16_1 || ptr[1] != value16_2)
+ {
+ printf(RAMTEST_PREFIX "ERROR: Address %p Found: %04x and %04x\n",
+ ptr, ptr[0], ptr[1]);
+ printf(RAMTEST_PREFIX " Expected: %04x and %04x\n",
+ value16_1, value16_2);
+ }
+
+ ptr += 2;
+ }
+ }
+ else /* if (info->width == 8) */
+ {
+ uint8_t value8_1 = (uint8_t)(value_1 & 0x000000ff);
+ uint8_t value8_2 = (uint8_t)(value_2 & 0x000000ff);
+ uint8_t *ptr = (uint8_t*)info->start;
+ for (i = 0; i < even_size; i += 2)
+ {
+ if (ptr[0] != value8_1 || ptr[1] != value8_2)
+ {
+ printf(RAMTEST_PREFIX "ERROR: Address %p Found: %02x and %02x\n",
+ ptr, ptr[0], ptr[1]);
+ printf(RAMTEST_PREFIX " Expected: %02x and %02x\n",
+ value8_1, value8_2);
+ }
+
+ ptr += 2;
+ }
+ }
+}
+
+static void pattern_test(FAR struct ramtest_s *info, uint32_t pattern1, uint32_t pattern2)
+{
+ write_memory2(info, pattern1, pattern2);
+ verify_memory2(info, pattern1, pattern2);
+}
+
+static void write_addrinaddr(FAR struct ramtest_s *info)
+{
+ size_t i;
+
+ if (info->width == 32)
+ {
+ uint32_t *ptr = (uint32_t*)info->start;
+ for (i = 0; i < info->size; i++)
+ {
+ uint32_t value32 = (uint32_t)((uintptr_t)ptr);
+ *ptr++ = value32;
+ }
+ }
+ else if (info->width == 16)
+ {
+ uint16_t *ptr = (uint16_t*)info->start;
+ for (i = 0; i < info->size; i++)
+ {
+ uint16_t value16 = (uint16_t)((uintptr_t)ptr & 0x0000ffff);
+ *ptr++ = value16;
+ }
+ }
+ else /* if (info->width == 8) */
+ {
+ uint8_t *ptr = (uint8_t*)info->start;
+ for (i = 0; i < info->size; i++)
+ {
+ uint8_t value8 = (uint8_t)((uintptr_t)ptr & 0x000000ff);
+ *ptr++ = value8;
+ }
+ }
+}
+
+static void verify_addrinaddr(FAR struct ramtest_s *info)
+{
+ size_t i;
+
+ if (info->width == 32)
+ {
+ uint32_t *ptr = (uint32_t*)info->start;
+ for (i = 0; i < info->size; i++)
+ {
+ uint32_t value32 = (uint32_t)((uintptr_t)ptr);
+ if (*ptr != value32)
+ {
+ printf(RAMTEST_PREFIX "ERROR: Address %p Found: %08x Expected %08x\n",
+ ptr, *ptr, value32);
+ }
+
+ ptr++;
+ }
+ }
+ else if (info->width == 16)
+ {
+ uint16_t *ptr = (uint16_t*)info->start;
+ for (i = 0; i < info->size; i++)
+ {
+ uint16_t value16 = (uint16_t)((uintptr_t)ptr & 0x0000ffff);
+ if (*ptr != value16)
+ {
+ printf(RAMTEST_PREFIX "ERROR: Address %p Found: %04x Expected %04x\n",
+ ptr, *ptr, value16);
+ }
+
+ ptr++;
+ }
+ }
+ else /* if (info->width == 8) */
+ {
+ uint8_t *ptr = (uint8_t*)info->start;
+ for (i = 0; i < info->size; i++)
+ {
+ uint16_t value8 = (uint8_t)((uintptr_t)ptr & 0x000000ff);
+ if (*ptr != value8)
+ {
+ printf(RAMTEST_PREFIX "ERROR: Address %p Found: %02x Expected %02x\n",
+ ptr, *ptr, value8);
+ }
+
+ ptr++;
+ }
+ }
+}
+
+static void addr_in_addr(FAR struct ramtest_s *info)
+{
+ write_addrinaddr(info);
+ verify_addrinaddr(info);
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+int ramtest_main(int argc, char **argv)
+{
+ struct ramtest_s info;
+
+ /* Setup defaults and parse the command line */
+
+ info.width = 16;
+ info.mask = 0x0000ffff;
+ parse_commandline(argc, argv, &info);
+
+ /* Perform the memory tests */
+
+ marching_ones(&info);
+ marching_zeros(&info);
+ pattern_test(&info, 0x55555555, 0xaaaaaaaa);
+ pattern_test(&info, 0x66666666, 0x99999999);
+ pattern_test(&info, 0x33333333, 0xcccccccc);
+ addr_in_addr(&info);
+ return 0;
+}
+
+#endif /* CONFIG_SYSTEM_RAMTEST */