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author | Robert Karszniewicz <r.karszniewicz@phytec.de> | 2019-10-25 13:19:12 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-10-28 12:48:32 +0100 |
commit | 8d6da6462b12a5e7cc84253ada8f91cd4561dc5e (patch) | |
tree | 42943218bb4c184294d6e6ba5b8ea3515e9f7767 /arch/sandbox | |
parent | ea7fa7c272320344b653e0d90a8b3d666e561493 (diff) | |
download | barebox-8d6da6462b12a5e7cc84253ada8f91cd4561dc5e.tar.gz barebox-8d6da6462b12a5e7cc84253ada8f91cd4561dc5e.tar.xz |
sandbox: add_image: mmap block devices
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 <r.karszniewicz@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/sandbox')
-rw-r--r-- | arch/sandbox/os/common.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/sandbox/os/common.c b/arch/sandbox/os/common.c index 1b2daa3965..3ad12b4a30 100644 --- a/arch/sandbox/os/common.c +++ b/arch/sandbox/os/common.c @@ -39,6 +39,8 @@ #include <signal.h> #include <sys/select.h> #include <sys/wait.h> +#include <sys/ioctl.h> +#include <linux/fs.h> /* * ...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 (ioctl(fd, BLKGETSIZE64, &hf->size) == -1) { + perror("ioctl"); + goto err_out; + } + } hf->base = (unsigned long)mmap(NULL, hf->size, PROT_READ | (readonly ? 0 : PROT_WRITE), MAP_SHARED, fd, 0); |