-/*
- * BSD LICENSE
- *
- * Copyright (C) Cavium Inc. 2017. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Cavium networks nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Cavium, Inc
*/
#ifndef __OCTEONTX_IO_H__
#include <rte_io.h>
-/* In Cavium OcteonTX SoC, all accesses to the device registers are
+/* In Cavium OCTEON TX SoC, all accesses to the device registers are
* implicitly strongly ordered. So, The relaxed version of IO operation is
* safe to use with out any IO memory barriers.
*/
#endif
#if defined(RTE_ARCH_ARM64)
+#if defined(__ARM_FEATURE_SVE)
+#define __LSE_PREAMBLE " .cpu generic+lse+sve\n"
+#else
+#define __LSE_PREAMBLE " .cpu generic+lse\n"
+#endif
/**
* Perform an atomic fetch-and-add operation.
*/
uint64_t old_val;
__asm__ volatile(
- " .cpu generic+lse\n"
+ __LSE_PREAMBLE
" ldadd %1, %0, [%2]\n"
: "=r" (old_val) : "r" (off), "r" (addr) : "memory");
/* LDEOR initiates atomic transfer to I/O device */
__asm__ volatile(
- " .cpu generic+lse\n"
+ __LSE_PREAMBLE
" ldeor xzr, %0, [%1]\n"
: "=r" (result) : "r" (ioreg_va) : "memory");
} while (!result);
}
+#undef __LSE_PREAMBLE
#else
static inline uint64_t