linux/arch/xtensa/lib/bswapsi2.S

/* 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(__bswapsi2)

	abi_entry_default
	ssai	8
	srli	a3, a2, 16
	src	a3, a3, a2
	src	a3, a3, a3
	src	a2, a2, a3
	abi_ret_default

ENDPROC(__bswapsi2)
EXPORT_SYMBOL(__bswapsi2)
xtensa: add __bswap{si,di}2 helpers gcc-13 may generate calls for __bswap{si,di}2. This breaks the kernel build when optimization for size is selected. Add __bswap{si,di}2 helpers to fix that. Cc: stable@vger.kernel.org Fixes: 19c5699f9aff ("xtensa: don't link with libgcc") Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> 2023-05-07 08:10:36 +08:00			`/* 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(__bswapsi2)`

			`abi_entry_default`
			`ssai 8`
			`srli a3, a2, 16`
			`src a3, a3, a2`
			`src a3, a3, a3`
			`src a2, a2, a3`
			`abi_ret_default`

			`ENDPROC(__bswapsi2)`
xtensa: add asm-prototypes.h Move assembly source prototypes from xtensa_ksyms.c to asm/asm-prototypes.h, move corresponding EXPORT_SYMBOLs to the assembly sources and enable HAVE_ASM_MODVERSIONS for xtensa. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> 2023-05-12 04:53:08 +08:00			`EXPORT_SYMBOL(__bswapsi2)`