diff options
| -rw-r--r-- | lib/sbi/sbi_fifo.c | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/lib/sbi/sbi_fifo.c b/lib/sbi/sbi_fifo.c index 72c6d398..9199a30b 100644 --- a/lib/sbi/sbi_fifo.c +++ b/lib/sbi/sbi_fifo.c @@ -66,7 +66,26 @@ static inline void __sbi_fifo_enqueue(struct sbi_fifo *fifo, void *data) if (head >= fifo->num_entries) head = head - fifo->num_entries; - sbi_memcpy((char *)fifo->queue + head * fifo->entry_size, data, fifo->entry_size); + switch (fifo->entry_size) { + case 1: + *(char *)(fifo->queue + head * fifo->entry_size) = *(char *)data; + break; + case 2: + *(u16 *)(fifo->queue + head * fifo->entry_size) = *(u16 *)data; + break; + case 4: + *(u32 *)(fifo->queue + head * fifo->entry_size) = *(u32 *)data; + break; +#if __riscv_xlen > 32 + case 8: + *(u64 *)(fifo->queue + head * fifo->entry_size) = *(u64 *)data; + break; +#endif + default: + sbi_memcpy(fifo->queue + head * fifo->entry_size, + data, fifo->entry_size); + break; + } fifo->avail++; } @@ -184,8 +203,26 @@ int sbi_fifo_dequeue(struct sbi_fifo *fifo, void *data) return SBI_ENOENT; } - sbi_memcpy(data, (char *)fifo->queue + (u32)fifo->tail * fifo->entry_size, - fifo->entry_size); + switch (fifo->entry_size) { + case 1: + *(char *)data = *(char *)(fifo->queue + (u32)fifo->tail * fifo->entry_size); + break; + case 2: + *(u16 *)data = *(u16 *)(fifo->queue + (u32)fifo->tail * fifo->entry_size); + break; + case 4: + *(u32 *)data = *(u32 *)(fifo->queue + (u32)fifo->tail * fifo->entry_size); + break; +#if __riscv_xlen > 32 + case 8: + *(u64 *)data = *(u64 *)(fifo->queue + (u32)fifo->tail * fifo->entry_size); + break; +#endif + default: + sbi_memcpy(data, fifo->queue + (u32)fifo->tail * fifo->entry_size, + fifo->entry_size); + break; + } fifo->avail--; fifo->tail++; |