Merge pull request nasa#1350 from skliper:fix1349-config_rtems

Fix nasa#1349 nasa#1447, Break up pc-rtems to support generic configuration and add tarfs support

src/bsp/generic-rtems/CMakeLists.txt

@@ -0,0 +1,85 @@
+######################################################################
+#
+# CMAKE build recipe for GENERIC-RTEMS Board Support Package (BSP)
+#
+######################################################################
+
+# Basic set of files
+set(OS_BSP_SRCLIST
+    src/bsp_console.c
+    src/bsp_init.c
+    src/bsp_start.c
+)
+
+# Source select file system setup implementation
+if (RTEMS_INCLUDE_TARFS)
+    list(APPEND OS_BSP_SRCLIST
+        src/bsp_tarfs_setupfs.c
+    )
+else ()
+    # NOTE: rtems config needs to define supporting configuration (FILESYSTEM and DRIVERs)
+    list(APPEND OS_BSP_SRCLIST
+        src/bsp_mount_setupfs.c
+    )
+endif ()
+
+# Link rtemscpu to osal public api if not dynamic loading
+if (NOT RTEMS_DYNAMIC_LOAD)
+    target_link_libraries(osal_public_api INTERFACE
+          rtemscpu
+    )
+endif ()
+
+if (RTEMS_NO_SHELL)
+    list(APPEND OS_BSP_SRCLIST
+        src/bsp_no_shell.c
+    )
+else ()
+    list(APPEND OS_BSP_SRCLIST
+        src/bsp_shell.c
+    )
+endif ()
+
+if (RTEMS_NO_CMDLINE)
+    list(APPEND OS_BSP_SRCLIST
+        src/bsp_no_cmdline.c
+    )
+else ()
+    list(APPEND OS_BSP_SRCLIST
+        src/bsp_cmdline.c
+    )
+endif ()
+
+add_library(osal_generic-rtems_impl OBJECT
+    ${OS_BSP_SRCLIST}
+)
+
+# This definition is needed for the gethostname call
+# By defining this, it avoids the need to use the -std=gnu99
+#  instead of the preferred -std=c99 GCC switch
+target_compile_definitions(osal_public_api INTERFACE
+   _BSD_SOURCE
+)
+
+set_property(TARGET osal_generic-rtems_impl PROPERTY OSAL_EXPECTED_OSTYPE "rtems")
+
+# The list of header files that control configuration
+set(BSP_RTEMS_CONFIG_FILE_LIST
+  bsp_rtems_cfg.h
+)
+
+# Create wrappers around all the config header files
+# This makes them individually overridable by the missions, without modifying
+# the distribution default copies
+foreach(BSP_RTEMS_CFGFILE ${BSP_RTEMS_CONFIG_FILE_LIST})
+  get_filename_component(CFGKEY "${BSP_RTEMS_CFGFILE}" NAME_WE)
+  if (DEFINED BSP_RTEMS_CFGFILE_SRC_${CFGKEY})
+    set(DEFAULT_SOURCE GENERATED_FILE "${BSP_RTEMS_CFGFILE_SRC_${CFGKEY}}")
+  else()
+    set(DEFAULT_SOURCE FALLBACK_FILE "${CMAKE_CURRENT_LIST_DIR}/config/default_${BSP_RTEMS_CFGFILE}")
+  endif()
+  generate_config_includefile(
+    FILE_NAME           "${BSP_RTEMS_CFGFILE}"
+    ${DEFAULT_SOURCE}
+  )
+endforeach()

src/bsp/generic-rtems/config/default_bsp_rtems_cfg.h

@@ -0,0 +1,82 @@
+/************************************************************************
+ * NASA Docket No. GSC-18,719-1, and identified as �~@~\core Flight System: Bootes�~@~]
+ *
+ * Copyright (c) 2020 United States Government as represented by the
+ * Administrator of the National Aeronautics and Space Administration.
+ * All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License. You may obtain
+ * a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ************************************************************************/
+
+/**
+ * @file
+ *   Default RTEMS OS Configuration definitions
+ *
+ * @note
+ *   This file may be overridden/superseded by mission-provided definitions
+ *   by overriding this header.
+ */
+#ifndef BSP_RTEMS_CFG_H
+#define BSP_RTEMS_CFG_H
+
+#include "osconfig.h"
+
+#define TASK_INTLEVEL 0
+#define CONFIGURE_INIT
+#define CONFIGURE_INIT_TASK_ATTRIBUTES \
+    (RTEMS_FLOATING_POINT | RTEMS_PREEMPT | RTEMS_NO_TIMESLICE | RTEMS_ASR | RTEMS_INTERRUPT_LEVEL(TASK_INTLEVEL))
+#define CONFIGURE_INIT_TASK_STACK_SIZE (20 * 1024)
+#define CONFIGURE_INIT_TASK_PRIORITY   10
+
+/*
+ * Note that these resources are shared with RTEMS itself (e.g. the init task, the shell)
+ * so they should be allocated slightly higher than the user limits in osconfig.h
+ *
+ * Many RTEMS services use tasks internally, including the idle task, BSWP, ATA driver,
+ * low level console I/O, the shell, TCP/IP network stack, and DHCP (if enabled).
+ * Many of these also use semaphores for synchronization.
+ *
+ * Budgeting for additional:
+ *   8 internal tasks
+ *   2 internal timers
+ *   4 internal queues
+ *   16 internal semaphores
+ *
+ */
+#define CONFIGURE_MAXIMUM_TASKS          (OS_MAX_TASKS + 8)
+#define CONFIGURE_MAXIMUM_TIMERS         (OS_MAX_TIMERS + 2)
+#define CONFIGURE_MAXIMUM_SEMAPHORES     (OS_MAX_BIN_SEMAPHORES + OS_MAX_COUNT_SEMAPHORES + OS_MAX_MUTEXES + 16)
+#define CONFIGURE_MAXIMUM_MESSAGE_QUEUES (OS_MAX_QUEUES + 4)
+#define CONFIGURE_MAXIMUM_DRIVERS        10
+#define CONFIGURE_MAXIMUM_POSIX_KEYS     4
+#ifdef OS_RTEMS_4_DEPRECATED
+#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS (OS_MAX_NUM_OPEN_FILES + 8)
+#else
+#define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS (OS_MAX_NUM_OPEN_FILES + 8)
+#endif
+
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
+#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
+#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
+#define CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM
+#define CONFIGURE_FILESYSTEM_RFS
+#define CONFIGURE_FILESYSTEM_IMFS
+#define CONFIGURE_FILESYSTEM_DOSFS
+#define CONFIGURE_FILESYSTEM_DEVFS
+#define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK
+#define CONFIGURE_APPLICATION_NEEDS_IDE_DRIVER
+#define CONFIGURE_APPLICATION_NEEDS_ATA_DRIVER
+
+#define CONFIGURE_EXECUTIVE_RAM_SIZE       (8 * 1024 * 1024)
+#define CONFIGURE_MICROSECONDS_PER_TICK    10000
+#define CONFIGURE_ATA_DRIVER_TASK_PRIORITY 9
+
+#endif

src/bsp/generic-rtems/src/bsp_cmdline.c

@@ -0,0 +1,128 @@
+/************************************************************************
+ * NASA Docket No. GSC-18,719-1, and identified as “core Flight System: Bootes”
+ *
+ * Copyright (c) 2020 United States Government as represented by the
+ * Administrator of the National Aeronautics and Space Administration.
+ * All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License. You may obtain
+ * a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ************************************************************************/
+
+/*
+ * \file
+ *
+ *   OSAL BSP command line implementation
+ */
+
+/*
+**  Include Files
+*/
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <bsp.h>
+#include <rtems.h>
+
+#include "pcrtems_bsp_internal.h"
+
+/*
+ * BSP compile-time tuning
+ */
+#define RTEMS_MAX_USER_OPTIONS 4
+#define RTEMS_MAX_CMDLINE      256
+
+void OS_BSP_CmdLine(void)
+{
+    char        userargbuffer[RTEMS_MAX_CMDLINE];
+    const char *cmdlinestr;
+    const char *cmdp;
+    char *      cmdi, *cmdo;
+
+    cmdlinestr = bsp_cmdline();
+
+    /*
+     * Parse command line string (passed in from bootloader)
+     *
+     * Known arguments are handled here, and unknown args are
+     * saved for the UT application.
+     *
+     * Batch mode is intended for non-interactive execution.
+     *
+     * It does two things:
+     * - do not start the shell task
+     * - when tests are complete, shutdown the executive
+     *
+     * The BSP should be configured with these options to
+     * make this most useful:
+     *   USE_COM1_AS_CONSOLE=1
+     *   BSP_PRESS_KEY_FOR_RESET=0
+     *   BSP_RESET_BOARD_AT_EXIT=1
+     *
+     * This way all the test output will be sent to COM1
+     * and then immediately resets the CPU when done.
+     *
+     * When running under QEMU the "-no-reboot" flag is
+     * also useful to shutdown QEMU rather than resetting.
+     */
+    if (cmdlinestr != NULL)
+    {
+        printf(" Bootloader Command Line: %s\n", cmdlinestr);
+
+        cmdp = cmdlinestr;
+        cmdo = NULL;
+        cmdi = NULL;
+
+        while (1)
+        {
+            if (isgraph((int)*cmdp))
+            {
+                if (cmdo == NULL)
+                {
+                    cmdo = userargbuffer;
+                }
+                else
+                {
+                    ++cmdo;
+                }
+                if (cmdi == NULL)
+                {
+                    cmdi = cmdo;
+                }
+                *cmdo = *cmdp;
+            }
+            else if (cmdi != NULL)
+            {
+                ++cmdo;
+                *cmdo = 0;
+                if (strcmp(cmdi, "--batch-mode") == 0)
+                {
+                    OS_BSP_PcRtemsGlobal.BatchMode = true;
+                }
+                else if (OS_BSP_Global.ArgC < RTEMS_MAX_USER_OPTIONS)
+                {
+                    /* save other args for app */
+                    OS_BSP_Global.ArgV[OS_BSP_Global.ArgC] = cmdi;
+                    ++OS_BSP_Global.ArgC;
+                }
+                cmdi = NULL;
+            }
+
+            if (*cmdp == 0)
+            {
+                break;
+            }
+
+            ++cmdp;
+        }
+    }
+}

src/bsp/generic-rtems/src/bsp_cmdline.h

@@ -0,0 +1,31 @@
+/************************************************************************
+ * NASA Docket No. GSC-18,719-1, and identified as “core Flight System: Bootes”
+ *
+ * Copyright (c) 2020 United States Government as represented by the
+ * Administrator of the National Aeronautics and Space Administration.
+ * All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License. You may obtain
+ * a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ************************************************************************/
+
+/**
+ * \file
+ *
+ * Purpose:
+ *   Header file for bsp cmdline
+ */
+
+#ifndef BSP_CMDLINE_H
+#define BSP_CMDLINE_H
+
+void OS_BSP_CmdLine(void);
+
+#endif

src/bsp/generic-rtems/src/bsp_console.c

@@ -0,0 +1,54 @@
+/************************************************************************
+ * NASA Docket No. GSC-18,719-1, and identified as “core Flight System: Bootes”
+ *
+ * Copyright (c) 2020 United States Government as represented by the
+ * Administrator of the National Aeronautics and Space Administration.
+ * All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License. You may obtain
+ * a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ************************************************************************/
+
+/*
+ * \file
+ *
+ *   OSAL BSP debug console abstraction
+ */
+
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include "pcrtems_bsp_internal.h"
+#include "bsp-impl.h"
+
+/****************************************************************************************
+                    BSP CONSOLE IMPLEMENTATION FUNCTIONS
+ ****************************************************************************************/
+
+/*----------------------------------------------------------------
+   OS_BSP_ConsoleOutput_Impl
+   See full description in header
+ ------------------------------------------------------------------*/
+void OS_BSP_ConsoleOutput_Impl(const char *Str, size_t DataLen)
+{
+    /* writes the raw data directly to STDOUT_FILENO (unbuffered) */
+    write(STDOUT_FILENO, Str, DataLen);
+}
+
+/*----------------------------------------------------------------
+   OS_BSP_ConsoleSetMode_Impl() definition
+   See full description in header
+ ------------------------------------------------------------------*/
+void OS_BSP_ConsoleSetMode_Impl(uint32 ModeBits)
+{
+    /* no-op on RTEMS */
+}