[PATCH 5/5] libmm test cases
Gedare Bloom
gedare at rtems.org
Mon Aug 26 16:16:55 UTC 2013
On Sun, Aug 25, 2013 at 8:14 PM, Hesham AL-Matary
<heshamelmatary at gmail.com> wrote:
> ---
> testsuites/libtests/Makefile.am | 3 +-
> testsuites/libtests/configure.ac | 2 +
> testsuites/libtests/mmtest1/Makefile.am | 18 ++++++++
> testsuites/libtests/mmtest1/init.c | 62 ++++++++++++++++++++++++++++
> testsuites/libtests/mmtest1/mmtest1.doc | 1 +
> testsuites/libtests/mmtest1/mmtests.scn | 9 ++++
> testsuites/libtests/mmtest1/system.h | 33 +++++++++++++++
> testsuites/libtests/mmtest2/Makefile.am | 17 ++++++++
> testsuites/libtests/mmtest2/init.c | 73 +++++++++++++++++++++++++++++++++
> testsuites/libtests/mmtest2/mmtest2.doc | 7 ++++
> testsuites/libtests/mmtest2/mmtests.scn | 15 +++++++
> testsuites/libtests/mmtest2/system.h | 32 +++++++++++++++
> 12 files changed, 271 insertions(+), 1 deletion(-)
> create mode 100644 testsuites/libtests/mmtest1/Makefile.am
> create mode 100644 testsuites/libtests/mmtest1/init.c
> create mode 100644 testsuites/libtests/mmtest1/mmtest1.doc
> create mode 100644 testsuites/libtests/mmtest1/mmtests.scn
> create mode 100644 testsuites/libtests/mmtest1/system.h
> create mode 100644 testsuites/libtests/mmtest2/Makefile.am
> create mode 100644 testsuites/libtests/mmtest2/init.c
> create mode 100644 testsuites/libtests/mmtest2/mmtest2.doc
> create mode 100644 testsuites/libtests/mmtest2/mmtests.scn
> create mode 100644 testsuites/libtests/mmtest2/system.h
>
> diff --git a/testsuites/libtests/Makefile.am b/testsuites/libtests/Makefile.am
> index d1ffabc..00325ed 100644
> --- a/testsuites/libtests/Makefile.am
> +++ b/testsuites/libtests/Makefile.am
> @@ -19,7 +19,8 @@ SUBDIRS += bspcmdline01 cpuuse devfs01 devfs02 devfs03 devfs04 \
> putenvtest monitor monitor02 rtmonuse stackchk stackchk01 \
> termios termios01 termios02 termios03 termios04 termios05 \
> termios06 termios07 termios08 \
> - rtems++ tztest block01 block02 block03 block04 block05 block06 block07 \
> + rtems++ tztest mmtest1 mmtest2 block01 block02 block03 \
> + block04 block05 block06 block07 \
> block08 block09 block10 block11 block12 stringto01 \
> tar01 tar02 tar03 \
> math mathf mathl complex \
> diff --git a/testsuites/libtests/configure.ac b/testsuites/libtests/configure.ac
> index 741c603..6533071 100644
> --- a/testsuites/libtests/configure.ac
> +++ b/testsuites/libtests/configure.ac
> @@ -85,6 +85,8 @@ malloc02/Makefile
> malloc03/Makefile
> malloc04/Makefile
> malloc05/Makefile
> +mmtest1/Makefile
> +mmtest2/Makefile
> monitor/Makefile
> monitor02/Makefile
> mouse01/Makefile
> diff --git a/testsuites/libtests/mmtest1/Makefile.am b/testsuites/libtests/mmtest1/Makefile.am
> new file mode 100644
> index 0000000..a08e557
> --- /dev/null
> +++ b/testsuites/libtests/mmtest1/Makefile.am
> @@ -0,0 +1,18 @@
> +
> +rtems_tests_PROGRAMS = mmtest1
> +mmtest1_SOURCES = init.c system.h
> +
> +dist_rtems_tests_DATA = mmtests.scn
> +
> +include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP at .cfg
> +include $(top_srcdir)/../automake/compile.am
> +include $(top_srcdir)/../automake/leaf.am
> +
> +LINK_OBJS = $(mmtest1_OBJECTS) $(mmtest1_LDADD)
> +LINK_LIBS = $(mmtest1_LDLIBS)
> +
> +mmtest1$(EXEEXT): $(mmtest1_OBJECTS) $(mmtest1_DEPENDENCIES)
> + @rm -f mmtest1$(EXEEXT)
> + $(make-exe)
> +
> +include $(top_srcdir)/../automake/local.am
> diff --git a/testsuites/libtests/mmtest1/init.c b/testsuites/libtests/mmtest1/init.c
> new file mode 100644
> index 0000000..9e966ba
> --- /dev/null
> +++ b/testsuites/libtests/mmtest1/init.c
> @@ -0,0 +1,62 @@
> +/* Init
> + *
> + * This routine is the initialization task for this test program.
> + *
> + */
> +
> +/*
> + * Copyright (c) 2012-2013 Hesham Al-Matary.
> + * Copyright (c) 2013 Gedare Bloom.
> + *
> + * The license and distribution terms for this file may be
> + * found in the file LICENSE in this distribution or at
> + * http://www.rtems.com/license/LICENSE.
> + */
> +
> +#define __RTEMS_VIOLATE_KERNEL_VISIBILITY__
I believe this macro no longer does anything.
> +#define CONFIGURE_INIT
> +#include "system.h"
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <rtems/score/mm.h>
> +
> +rtems_task Init(
> + rtems_task_argument ignored
> +)
> +{
> + size_t size = 0x001000;
> + uintptr_t *region1 = _Workspace_Allocate(size);
> + uintptr_t *region2 = _Workspace_Allocate(size);
These allocations should be accounted for in the configuration options
in system.h
> +
> + puts( "\n\n*** Start of mmtest1 ***\n" );
> +
> + if (region1 != NULL)
> + {
> + printf("Region 1 successfully allocated from Work Space at address 0x%x \n", \
> +region1);
> + } else
> + {
> + printf("Failed to allocate memory for Region 1 from Work Space ! \n");
> + exit(0);
> + }
> +
> + if (region2 != NULL)
> + {
> + printf("Region 2 successfully allocated from Work Space at address 0x%x \n", \
> + region2);
> + } else
> + {
> + printf("Failed to allocate memory for Region 2 from Work Space ! \n");
> + exit(0);
> + }
> +
> + printf("Test 1: Set Region1 as read only\n");
> + _Memory_management_Set_attributes( region1, size, RTEMS_MM_REGION_PROTECTION_READ_ONLY);
> +
> + printf("Test 2 : Set Region2 as write enabled\n");
> + _Memory_management_Set_attributes( region2, size, RTEMS_MM_REGION_PROTECTION_WRITE);
> +
> + printf( "\n\n*** End of mmtest1 ***\n" );
> +
> + exit( 0 );
> +}
> diff --git a/testsuites/libtests/mmtest1/mmtest1.doc b/testsuites/libtests/mmtest1/mmtest1.doc
> new file mode 100644
> index 0000000..210a761
> --- /dev/null
> +++ b/testsuites/libtests/mmtest1/mmtest1.doc
> @@ -0,0 +1 @@
> +Simple tests that tries to install memory management entries.
> diff --git a/testsuites/libtests/mmtest1/mmtests.scn b/testsuites/libtests/mmtest1/mmtests.scn
> new file mode 100644
> index 0000000..45ccd6f
> --- /dev/null
> +++ b/testsuites/libtests/mmtest1/mmtests.scn
> @@ -0,0 +1,9 @@
> +*** Start of mmtest1 ***
> +
> +Region 1 successfully allocated from Work Space at address 0x106e20
> +Region 2 successfully allocated from Work Space at address 0x107e28
> +Test 1: Set Region1 as read only
> +Test 2 : Set Region2 as write enabled
> +
> +
> +*** End of mmtest1 ***
> diff --git a/testsuites/libtests/mmtest1/system.h b/testsuites/libtests/mmtest1/system.h
> new file mode 100644
> index 0000000..7560e1d
> --- /dev/null
> +++ b/testsuites/libtests/mmtest1/system.h
> @@ -0,0 +1,33 @@
> +/* system.h
> + *
> + * Copyright (c) 2013 Gedare Bloom.
> + *
> + * The license and distribution terms for this file may be
> + * found in the file LICENSE in this distribution or at
> + * http://www.rtems.com/license/LICENSE.
> + */
> +
> +#include <rtems.h>
> +
> +/* functions */
> +
> +rtems_task Init(
> + rtems_task_argument argument
> +);
> +
> +/* configuration information */
> +
> +#include <bsp.h> /* for device driver prototypes */
> +
> +/* NOTICE: the clock driver is explicitly disabled */
> +#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
> +#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
> +
> +#define CONFIGURE_MAXIMUM_TASKS 9
> +
> +#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
> +
> +#define CONFIGURE_USE_DEVFS_AS_BASE_FILESYSTEM
> +
Add something to account for the workspace memory that gets used by
the test, for example:
#define CONFIGURE_MEMORY_OVERHEAD 2
> +#include <rtems/confdefs.h>
> +/* end of include file */
> diff --git a/testsuites/libtests/mmtest2/Makefile.am b/testsuites/libtests/mmtest2/Makefile.am
> new file mode 100644
> index 0000000..fc25fd9
> --- /dev/null
> +++ b/testsuites/libtests/mmtest2/Makefile.am
> @@ -0,0 +1,17 @@
> +rtems_tests_PROGRAMS = mmtest2
> +mmtest2_SOURCES = init.c system.h
> +
> +dist_rtems_tests_DATA = mmtests.scn
> +
> +include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP at .cfg
> +include $(top_srcdir)/../automake/compile.am
> +include $(top_srcdir)/../automake/leaf.am
> +
> +LINK_OBJS = $(mmtest2_OBJECTS) $(mmtest2_LDADD)
> +LINK_LIBS = $(mmtest2_LDLIBS)
> +
> +mmtest2$(EXEEXT): $(mmtest2_OBJECTS) $(mmtest2_DEPENDENCIES)
> + @rm -f mmtest2$(EXEEXT)
> + $(make-exe)
> +
> +include $(top_srcdir)/../automake/local.am
> diff --git a/testsuites/libtests/mmtest2/init.c b/testsuites/libtests/mmtest2/init.c
> new file mode 100644
> index 0000000..76612b1
> --- /dev/null
> +++ b/testsuites/libtests/mmtest2/init.c
> @@ -0,0 +1,73 @@
> +/* Init
> + *
> + * This routine is the initialization task for this test program.
> + */
> +
> +/*
> + * Copyright (c) 2012-2013 Hesham Al-Matary.
> + * Copyright (c) 2013 Gedare Bloom.
> + *
> + * The license and distribution terms for this file may be
> + * found in the file LICENSE in this distribution or at
> + * http://www.rtems.com/license/LICENSE.
> + */
> +#define __RTEMS_VIOLATE_KERNEL_VISIBILITY__
> +#define CONFIGURE_INIT
> +#include "system.h"
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <rtems/score/mm.h>
> +
> +rtems_task Init(
> + rtems_task_argument ignored
> +)
> +{
> + uint32_t *a1;
> + uint32_t *a2;
> + uint32_t a;
> + size_t size = 0x00100000;
> +
> + uint32_t *region1 = (uint32_t *) 0x0C000000U;
> + uint32_t *region2 = (uint32_t *) 0x0C100000U;
Need to figure out how to get rid of hard-coded regions.
> +
> + puts( "\n\n*** Start of mmtest2 ***\n" );
> +
> + printf("Test 1: set Region1 as read only\n");
> + _Memory_management_Set_attributes( region1, size, RTEMS_MM_REGION_PROTECTION_READ_ONLY);
> +
> + printf("Test 2: set Region2 as write enabled\n");
> + _Memory_management_Set_attributes( region2, size, RTEMS_MM_REGION_PROTECTION_WRITE);
> +
> + // TODO: Make fatal tests withing exception handler */
> + /* FIXME: make addresses target-independent */
> +
> + a1 = region2;
> + printf("Test 3: Write to write enabled block\n");
> + *a1 = 0xCC;
> +
> + a1 = (char*)0xffffffffU;
> + printf("Checking MMU exception 1: Read from Unmapped block\n");
> + a = *a1++;
> +
> + a1 = 0xffffffffU;
> + printf("Checking MMU exception 2: Write to Unmapped block\n");
> + *a1++ = 0xCC;
> +
> + // this one isn't an exception.
> + a2 = (char *) region1;
> + printf("Checking MMU exception 4: Read from readonly block\n");
> + a = *a2++;
> +
> + printf("Checking MMU exception 5: Write to readonly block \n");
> + *a2++ = 0xCC;
> +
> + printf("Test 6: set region2 with no access attributes \n");
> + _Memory_management_Set_attributes(region2, size, RTEMS_MM_REGION_NO_ACCESS);
> +
> + a1 = (char *) region2;
> + printf("Checking MMU exception 6: Write to uninstalled block \n");
> + *a1 = 0xCC;
> +
> + printf( "\n\n*** End of mmtest2 ***\n" );
> + exit( 0 );
> +}
> diff --git a/testsuites/libtests/mmtest2/mmtest2.doc b/testsuites/libtests/mmtest2/mmtest2.doc
> new file mode 100644
> index 0000000..b2ec16c
> --- /dev/null
> +++ b/testsuites/libtests/mmtest2/mmtest2.doc
> @@ -0,0 +1,7 @@
> +This test case try to do the following :
> +
> +Install entries with specific memory attributes (e.g read only region).
> +Check for memory protection violations (writing to read only blocks).
> +Reading from read only blocks.
> +Write/Read to/from unmapped region (error!).
> +Write to a valid entry that was installed and then uninstalled (error!).
> diff --git a/testsuites/libtests/mmtest2/mmtests.scn b/testsuites/libtests/mmtest2/mmtests.scn
> new file mode 100644
> index 0000000..3a92922
> --- /dev/null
> +++ b/testsuites/libtests/mmtest2/mmtests.scn
> @@ -0,0 +1,15 @@
> +*** Start of mmtest2 ***
> +Region 1 successfully allocated from Work Space at address 0x106f80
> +Region 2 successfully allocated from Work Space at address 0x106f80
> +Test 1: set Region1 as read only
> +Test 2: set Region2 as write enabled
> +Test 3: Write to write enabled block
> +Checking MMU exception 1: Read from Unmapped block
> +Checking MMU exception 2: Write to Unmapped block
> +Checking MMU exception 4: Read from readonly block
> +Checking MMU exception 5: Write to readonly block
> +Test 6: set region2 with no access attributes
> +Checking MMU exception 6: Write to uninstalled block
> +
> +
> +*** End of mmtest2 ***
> diff --git a/testsuites/libtests/mmtest2/system.h b/testsuites/libtests/mmtest2/system.h
> new file mode 100644
> index 0000000..8543c9c
> --- /dev/null
> +++ b/testsuites/libtests/mmtest2/system.h
> @@ -0,0 +1,32 @@
> +/* system.h
> + *
> + * COPYRIGHT (c) 2013 Gedare Bloom.
> + *
> + * The license and distribution terms for this file may be
> + * found in the file LICENSE in this distribution or at
> + * http://www.rtems.com/license/LICENSE.
> + */
> +
> +#include <rtems.h>
> +
> +/* functions */
> +rtems_task Init(
> + rtems_task_argument argument
> +);
> +
> +/* configuration information */
> +
> +#include <bsp.h> /* for device driver prototypes */
> +
> +/* NOTICE: the clock driver is explicitly disabled */
> +#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
> +#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
> +
> +#define CONFIGURE_MAXIMUM_TASKS 9
> +
> +#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
> +
> +#define CONFIGURE_USE_DEVFS_AS_BASE_FILESYSTEM
> +
> +#include <rtems/confdefs.h>
> +/* end of include file */
> --
> 1.8.3.1
>
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