From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mickerik.phytec.de ([195.145.39.210]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iNfZP-0006G0-AN for barebox@lists.infradead.org; Thu, 24 Oct 2019 16:02:41 +0000 From: Robert Karszniewicz Date: Thu, 24 Oct 2019 18:02:35 +0200 Message-Id: <1571932955-98554-1-git-send-email-r.karszniewicz@phytec.de> 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] sandbox: add_image: mmap block devices To: barebox@lists.infradead.org This makes it possible to mount block devices from the host machine, which have been passed as arguments to --image Signed-off-by: Robert Karszniewicz --- arch/sandbox/os/common.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/sandbox/os/common.c b/arch/sandbox/os/common.c index 86118822a..805ac8eef 100644 --- a/arch/sandbox/os/common.c +++ b/arch/sandbox/os/common.c @@ -39,6 +39,8 @@ #include #include #include +#include +#include /* * ...except the ones needed to connect with barebox */ @@ -260,6 +262,12 @@ static int add_image(char *str, char *devname_template, int *devname_number) hf->size = s.st_size; hf->devname = strdup(devname); + if (S_ISBLK(s.st_mode)) { + if (-1 == ioctl(fd, BLKGETSIZE64, &hf->size)) { + perror("ioctl"); + goto err_out; + } + } hf->base = (unsigned long)mmap(NULL, hf->size, PROT_READ | (readonly ? 0 : PROT_WRITE), MAP_SHARED, fd, 0); -- 2.11.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox