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efc1bf710c
This is the NuttX's port of Python (cpython)! Initial support of Python includes building the Python's static library and the `python` (Programs/python.c) application. Python's modules are stored in `pyc` (byte-code file) and loaded as needed from flash.
133 lines
4.4 KiB
C
133 lines
4.4 KiB
C
/****************************************************************************
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* apps/interpreters/python/mount_modules.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <sys/mount.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <sys/boardctl.h>
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#include <inttypes.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <fcntl.h>
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#include <dirent.h>
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#include <errno.h>
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#include <nuttx/drivers/ramdisk.h>
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#include "romfs_cpython_modules.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration settings */
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#ifndef CONFIG_CPYTHON_ROMFS_RAMDEVNO
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# define CONFIG_CPYTHON_ROMFS_RAMDEVNO 1
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#endif
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#ifndef CONFIG_CPYTHON_ROMFS_SECTORSIZE
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# define CONFIG_CPYTHON_ROMFS_SECTORSIZE 64
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#endif
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#ifndef CONFIG_CPYTHON_ROMFS_MOUNTPOINT
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# define CONFIG_CPYTHON_ROMFS_MOUNTPOINT "/usr/local/lib/"
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#endif
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#ifdef CONFIG_DISABLE_MOUNTPOINT
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# error "Mountpoint support is disabled"
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#endif
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#ifndef CONFIG_FS_ROMFS
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# error "ROMFS support not enabled"
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#endif
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#define NSECTORS(b) (((b)+CONFIG_CPYTHON_ROMFS_SECTORSIZE-1)/CONFIG_CPYTHON_ROMFS_SECTORSIZE)
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#define STR_RAMDEVNO(m) #m
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#define MKMOUNT_DEVNAME(m) "/dev/ram" STR_RAMDEVNO(m)
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#define MOUNT_DEVNAME MKMOUNT_DEVNAME(CONFIG_CPYTHON_ROMFS_RAMDEVNO)
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/****************************************************************************
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* Private Types
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: mount_modules
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****************************************************************************/
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int main(int argc, FAR char *argv[])
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{
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int ret;
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struct boardioc_romdisk_s desc;
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/* Create a RAM disk for the test */
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desc.minor = CONFIG_CPYTHON_ROMFS_RAMDEVNO; /* Minor device number of the ROM disk. */
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desc.nsectors = NSECTORS(romfs_cpython_modules_img_len); /* The number of sectors in the ROM disk */
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desc.sectsize = CONFIG_CPYTHON_ROMFS_SECTORSIZE; /* The size of one sector in bytes */
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desc.image = (FAR uint8_t *)romfs_cpython_modules_img; /* File system image */
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ret = boardctl(BOARDIOC_ROMDISK, (uintptr_t)&desc);
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if (ret < 0)
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{
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printf("ERROR: Failed to create RAM disk: %s\n", strerror(errno));
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return 1;
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}
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/* Mount the test file system */
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printf("Mounting ROMFS filesystem at target=%s with source=%s\n",
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CONFIG_CPYTHON_ROMFS_MOUNTPOINT, MOUNT_DEVNAME);
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ret = mount(MOUNT_DEVNAME, CONFIG_CPYTHON_ROMFS_MOUNTPOINT, "romfs",
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MS_RDONLY, NULL);
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if (ret < 0)
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{
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printf("ERROR: Mount failed: %s\n", strerror(errno));
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return 1;
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}
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return 0;
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}
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