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| author | Takashi Iwai <tiwai@suse.de> | 2013-10-25 11:55:06 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-10-25 11:55:06 +0200 |
| commit | e88f53074274d5187078c2cc31ff7ab2eb40bad1 (patch) | |
| tree | 5c1e9e5fff1623d8d1cbf38eef85ba56dc75492d | |
| parent | e3d4389748001e9f56c524741ffb0dae9ad3532f (diff) | |
| download | hda-emu-e88f53074274d5187078c2cc31ff7ab2eb40bad1.tar.gz | |
Add put_unaligned*() and copy_from/to_user() wrappers
Just simplistic ones, not portable at all.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | include/asm/unaligned.h | 6 | ||||
| -rw-r--r-- | include/wrapper.h | 12 |
2 files changed, 18 insertions, 0 deletions
diff --git a/include/asm/unaligned.h b/include/asm/unaligned.h index 4297ce6..ed815db 100644 --- a/include/asm/unaligned.h +++ b/include/asm/unaligned.h @@ -1,3 +1,9 @@ +/* FIXME: this is no portable at all */ + #define get_unaligned_le16(ptr) *((u16*)(ptr)) #define get_unaligned_le32(ptr) *((u32*)(ptr)) #define get_unaligned_le64(ptr) *((u64*)(ptr)) + +#define put_unaligned_le16(val, dst) (*(u16 *)(dst) = (u16)(val)) +#define put_unaligned_le32(val, dst) (*(u32 *)(dst) = (u32)(val)) +#define put_unaligned_le64(val, dst) (*(u64 *)(dst) = (u64)(val)) diff --git a/include/wrapper.h b/include/wrapper.h index 940022d..f7dd65d 100644 --- a/include/wrapper.h +++ b/include/wrapper.h @@ -242,4 +242,16 @@ void mylock_write_unlock(int *lock, const char *file, int line); #define symbol_request(x) NULL #define symbol_put(x) +static inline long copy_from_user(void *to, const void __user *from, unsigned long n) +{ + memcpy(to, from, n); + return 0; +} + +static inline long copy_to_user(void __user *to, const void *from, unsigned long n) +{ + memcpy(to, from, n); + return 0; +} + #endif /* __HDA_WRAPPER_H */ |