| /* |
| * Copyright (c) 2023 Intel Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/toolchain.h> |
| #include <zephyr/sys/util_macro.h> |
| |
| #ifdef CONFIG_XTENSA_MORE_SPIN_RELAX_NOPS |
| /* Some compilers might "optimize out" (i.e. remove) continuous NOPs. |
| * So force no optimization to avoid that. |
| */ |
| __no_optimization |
| void arch_spin_relax(void) |
| { |
| #define NOP1(_, __) __asm__ volatile("nop.n;"); |
| LISTIFY(CONFIG_XTENSA_NUM_SPIN_RELAX_NOPS, NOP1, (;)) |
| #undef NOP1 |
| } |
| #endif /* CONFIG_XTENSA_MORE_SPIN_RELAX_NOPS */ |
