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[/] [c0or1k/] [trunk/] [conts/] [posix/] [mm0/] [fs/] [bdev.c] - Rev 7
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/* * This is just to allocate some memory as a block device. */ #include <init.h> #include <l4/macros.h> #include <bootdesc.h> #include <memfs/memfs.h> #include L4LIB_INC_ARCH(syslib.h) void *vfs_rootdev_open(void) { struct svc_image *rootfs_img = bootdesc_get_image_byname("rootfs"); unsigned long rootfs_size = rootfs_img->phys_end - rootfs_img->phys_start; BUG_ON(rootfs_size < MEMFS_TOTAL_SIZE); /* Map filesystem blocks to virtual memory */ return l4_map_helper((void *)rootfs_img->phys_start, __pfn(rootfs_size)); }
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