From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from zimbra2.kalray.eu ([92.103.151.219]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTL1b-0006s4-1b for barebox@lists.infradead.org; Tue, 28 Apr 2020 07:51:28 +0000 From: Clement Leger Date: Tue, 28 Apr 2020 09:50:58 +0200 Message-Id: <20200428075100.17565-6-cleger@kalray.eu> In-Reply-To: <20200428075100.17565-1-cleger@kalray.eu> References: <20200428075100.17565-1-cleger@kalray.eu> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH v3 5/7] common: bootm: add support for elf file loading To: Sascha Hauer , barebox@lists.infradead.org Cc: Clement Leger This will allows elf loader to directly have an elf file available. Thus filetype_elf bootm handlers will be able to use this elf file directly. Signed-off-by: Clement Leger --- common/Kconfig | 8 ++++++++ common/bootm.c | 33 +++++++++++++++++++++++++++++++++ include/bootm.h | 3 +++ 3 files changed, 44 insertions(+) diff --git a/common/Kconfig b/common/Kconfig index 400c0553c..b28791060 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -597,6 +597,14 @@ config BOOTM_AIMAGE help Support using Android Images. +config BOOTM_ELF + bool + depends on BOOTM + select ELF + prompt "elf loading support" + help + Add support to load elf file with bootm. + config BOOTM_FITIMAGE bool prompt "FIT image support" diff --git a/common/bootm.c b/common/bootm.c index 299985678..488adcb22 100644 --- a/common/bootm.c +++ b/common/bootm.c @@ -143,6 +143,9 @@ int bootm_load_os(struct image_data *data, unsigned long load_address) return 0; } + if (IS_ENABLED(CONFIG_ELF) && data->elf) + return elf_load(data->elf); + if (data->os_file) { data->os_res = file_to_sdram(data->os_file, load_address); if (!data->os_res) @@ -470,6 +473,8 @@ int bootm_get_os_size(struct image_data *data) { int ret; + if (data->elf) + return elf_get_mem_size(data->elf); if (data->os) return uimage_get_size(data->os, uimage_part_num(data->os_part)); if (data->os_fit) @@ -517,6 +522,22 @@ static int bootm_open_os_uimage(struct image_data *data) return 0; } +static int bootm_open_elf(struct image_data *data) +{ + if (!IS_ENABLED(CONFIG_ELF)) + return -ENOSYS; + + data->elf = elf_open(data->os_file); + if (IS_ERR(data->elf)) + return PTR_ERR(data->elf); + + printf("Entry Point: %08llx\n", data->elf->entry); + + data->os_address = data->elf->entry; + + return 0; +} + static void bootm_print_info(struct image_data *data) { if (data->os_res) @@ -651,6 +672,16 @@ int bootm_boot(struct bootm_data *bootm_data) } } + if (os_type == filetype_elf) { + ret = bootm_open_elf(data); + if (ret) { + printf("Loading ELF image failed with: %s\n", + strerror(-ret)); + data->elf = NULL; + goto err_out; + } + } + if (bootm_data->appendroot) { char *rootarg; @@ -720,6 +751,8 @@ err_out: uimage_close(data->initrd); if (data->os) uimage_close(data->os); + if (IS_ENABLED(CONFIG_ELF) && data->elf) + elf_close(data->elf); if (IS_ENABLED(CONFIG_FITIMAGE) && data->os_fit) fit_close(data->os_fit); if (data->of_root_node && data->of_root_node != of_get_root_node()) diff --git a/include/bootm.h b/include/bootm.h index 7782de7a4..ef5148f31 100644 --- a/include/bootm.h +++ b/include/bootm.h @@ -46,6 +46,9 @@ struct image_data { /* if os is an uImage this will be provided */ struct uimage_handle *os; + /* if os is an elf file this will be provided */ + struct elf_image *elf; + /* if os is a FIT image this will be provided */ struct fit_handle *os_fit; -- 2.17.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox