git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@15316 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
This commit is contained in:
Giovanni Di Sirio
parent
0d1bc937de
commit
7f29f49f66
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@ -1,6 +1,7 @@
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# List of the ChibiOS ARMv7-M sandbox host files.
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SBHOSTSRC = $(CHIBIOS)/os/sb/host/sbhost.c \
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$(CHIBIOS)/os/sb/host/sbapi.c \
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$(CHIBIOS)/os/sb/host/sbelf.c \
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$(CHIBIOS)/os/sb/host/sbposix.c
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SBHOSTASM = $(CHIBIOS)/os/sb/host/compilers/GCC/sbexc.S
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@ -299,6 +299,7 @@ extern "C" {
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/*===========================================================================*/
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#include "sbsysc.h"
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#include "sbelf.h"
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#include "sbposix.h"
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#include "sbapi.h"
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#include "sbhost.h"
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@ -0,0 +1,110 @@
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/*
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ChibiOS - Copyright (C) 2006,2007,2008,2009,2010,2011,2012,2013,2014,
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2015,2016,2017,2018,2019,2020,2021 Giovanni Di Sirio.
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This file is part of ChibiOS.
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ChibiOS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation version 3 of the License.
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ChibiOS 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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file sb/host/sbelf.c
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* @brief ARM SandBox ELF loader code.
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*
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* @addtogroup ARM_SANDBOX_ELF
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* @{
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*/
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#include "ch.h"
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#include "sb.h"
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#if (SB_CFG_ENABLE_VFS == TRUE) || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Module local definitions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local types. */
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/*===========================================================================*/
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/**
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* @brief Type of an ELF loader context.
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*/
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typedef struct elf_load_context {
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vfs_file_node_c *fnp;
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memory_area_t *map;
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uint8_t *next;
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} elf_load_context_t;
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/**
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* @brief Type of an ELF32 header.
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*/
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typedef struct {
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unsigned char e_ident[16];
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uint16_t e_type;
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uint16_t e_machine;
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uint32_t e_version;
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uint32_t e_entry;
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uint32_t e_phoff;
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uint32_t e_shoff;
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uint32_t e_flags;
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uint16_t e_ehsize;
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uint16_t e_phentsize;
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uint16_t e_phnum;
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uint16_t e_shentsize;
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uint16_t e_shnum;
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uint16_t e_shstrndx;
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} elf32_header_t;
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/*===========================================================================*/
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/* Module local variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local functions. */
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/*===========================================================================*/
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static void init_elf_context(elf_load_context_t *ctxp,
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vfs_file_node_c *fnp,
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memory_area_t *map) {
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ctxp->fnp = fnp;
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ctxp->map = map;
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ctxp->next = map->base;
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}
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/*===========================================================================*/
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/* Module exported functions. */
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/*===========================================================================*/
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msg_t sbElfLoad(vfs_driver_c *drvp, const char *path, memory_area_t *map) {
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vfs_file_node_c *fnp;
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msg_t ret;
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elf_load_context_t ctx;
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ret = vfsDrvOpenFile(drvp, path, VO_RDONLY, &fnp);
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CH_RETURN_ON_ERROR(ret);
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init_elf_context(&ctx, fnp, map);
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return CH_RET_SUCCESS;
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}
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#endif /* SB_CFG_ENABLE_VFS == TRUE */
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/** @} */
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@ -0,0 +1,73 @@
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/*
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ChibiOS - Copyright (C) 2006,2007,2008,2009,2010,2011,2012,2013,2014,
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2015,2016,2017,2018,2019,2020,2021 Giovanni Di Sirio.
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This file is part of ChibiOS.
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ChibiOS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation version 3 of the License.
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ChibiOS 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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file sb/host/sbloader.h
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* @brief ARM SandBox ELF loader macros and structures.
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*
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* @addtogroup sbhost.h
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* @{
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*/
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#ifndef SBELF_H
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#define SBELF_H
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#if (SB_CFG_ENABLE_VFS == TRUE) || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Module constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module pre-compile time settings. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module data structures and types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module macros. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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msg_t sbElfLoad(vfs_driver_c *drvp, const char *path, memory_area_t *map);
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#ifdef __cplusplus
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}
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#endif
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/*===========================================================================*/
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/* Module inline functions. */
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/*===========================================================================*/
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#endif /* SB_CFG_ENABLE_VFS == TRUE */
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#endif /* SBELF_H */
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/** @} */
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