diff options
Diffstat (limited to 'arch/xtensa/lib/bswapdi2.S')
| -rw-r--r-- | arch/xtensa/lib/bswapdi2.S | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/xtensa/lib/bswapdi2.S b/arch/xtensa/lib/bswapdi2.S new file mode 100644 index 000000000000..5d94a9352887 --- /dev/null +++ b/arch/xtensa/lib/bswapdi2.S @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later WITH GCC-exception-2.0 */ +#include <linux/linkage.h> +#include <asm/asmmacro.h> +#include <asm/core.h> + +ENTRY(__bswapdi2) + + abi_entry_default + ssai 8 + srli a4, a2, 16 + src a4, a4, a2 + src a4, a4, a4 + src a4, a2, a4 + srli a2, a3, 16 + src a2, a2, a3 + src a2, a2, a2 + src a2, a3, a2 + mov a3, a4 + abi_ret_default + +ENDPROC(__bswapdi2) +EXPORT_SYMBOL(__bswapdi2) |