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Add framebuffer devices to /dev and mmap() for them

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Mark
2020-08-05 01:54:13 +03:00
parent 25f0a0987f
commit 415fd613a2
7 changed files with 151 additions and 45 deletions
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include/sys/block/blk.h
+3 -2
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@@ -18,7 +18,8 @@ struct blkdev {
ssize_t (*read) (struct blkdev *blk, void *buf, size_t off, size_t count);
ssize_t (*write) (struct blkdev *blk, const void *buf, size_t off, size_t count);
int (*ioctl) (struct blkdev *blk, unsigned long req, void *ptr);
void *(*mmap) (struct blkdev *blk, struct ofile *fd, void *hint, size_t length, int flags);
int (*mmap)(struct blkdev *blk, uintptr_t base, size_t page_count, int prot, int flags);
void (*destroy) (struct blkdev *blk);
};
@@ -29,7 +30,7 @@ void blk_sync(struct blkdev *blk);
int blk_page_sync(struct blkdev *blk, uintptr_t address, uintptr_t page);
void blk_sync_all(void);
void *blk_mmap(struct blkdev *blk, struct ofile *fd, void *hint, size_t length, int flags);
int blk_mmap(struct blkdev *blk, uintptr_t base, size_t page_count, int prot, int flags);
ssize_t blk_read(struct blkdev *blk, void *buf, size_t off, size_t count);
ssize_t blk_write(struct blkdev *blk, const void *buf, size_t off, size_t count);
int blk_ioctl(struct blkdev *blk, unsigned long req, void *ptr);