This allows reading of files from the host filesystem in sandbox. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@ti.com>master
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#
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# Copyright (c) 2012, Google Inc.
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#
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# (C) Copyright 2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# (C) Copyright 2003
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# Pavel Bartusek, Sysgo Real-Time Solutions AG, pba@sysgo.de
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk |
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LIB = $(obj)libsandboxfs.o
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COBJS-$(CONFIG_SANDBOX) := sandboxfs.o
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SRCS := $(COBJS-y:.o=.c)
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OBJS := $(addprefix $(obj),$(AOBJS) $(COBJS-y))
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all: $(LIB) $(AOBJS) |
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$(LIB): $(obj).depend $(OBJS) |
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$(call cmd_link_o_target, $(OBJS))
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk |
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sinclude $(obj).depend |
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#########################################################################
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/*
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* Copyright (c) 2012, Google Inc. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <common.h> |
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#include <fs.h> |
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#include <os.h> |
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int sandbox_fs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info) |
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{ |
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return 0; |
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} |
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long sandbox_fs_read_at(const char *filename, unsigned long pos, |
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void *buffer, unsigned long maxsize) |
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{ |
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ssize_t size; |
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int fd, ret; |
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fd = os_open(filename, OS_O_RDONLY); |
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if (fd < 0) |
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return fd; |
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ret = os_lseek(fd, pos, OS_SEEK_SET); |
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if (ret == -1) { |
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os_close(fd); |
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return ret; |
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} |
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if (!maxsize) |
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maxsize = os_get_filesize(filename); |
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size = os_read(fd, buffer, maxsize); |
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os_close(fd); |
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return size; |
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} |
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int sandbox_fs_ls(const char *dirname) |
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{ |
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struct os_dirent_node *head, *node; |
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int ret; |
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ret = os_dirent_ls(dirname, &head); |
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if (ret) |
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return ret; |
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for (node = head; node; node = node->next) { |
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printf("%s %10lu %s\n", os_dirent_get_typename(node->type), |
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node->size, node->name); |
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} |
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return 0; |
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} |
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void sandbox_fs_close(void) |
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{ |
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} |
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int fs_read_sandbox(const char *filename, void *buf, int offset, int len) |
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{ |
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int len_read; |
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len_read = sandbox_fs_read_at(filename, offset, buf, len); |
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if (len_read == -1) { |
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printf("** Unable to read file %s **\n", filename); |
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return -1; |
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} |
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return len_read; |
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} |
@ -0,0 +1,30 @@ |
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/*
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* Copyright (c) 2012, Google Inc. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#ifndef __SANDBOX_FS__ |
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#define __SANDBOX_FS__ |
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int sandbox_fs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info); |
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long sandbox_fs_read_at(const char *filename, unsigned long pos, |
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void *buffer, unsigned long maxsize); |
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void sandbox_fs_close(void); |
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int sandbox_fs_ls(const char *dirname); |
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int fs_read_sandbox(const char *filename, void *buf, int offset, int len); |
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#endif |
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