1/* 2 * Common Atomic Helper Functions 3 * 4 * This file should be included before the various instantiations of 5 * the atomic_template.h helpers. 6 * 7 * Copyright (c) 2019 Linaro 8 * Written by Alex Bennée <alex.bennee@linaro.org> 9 * 10 * SPDX-License-Identifier: GPL-2.0-or-later 11 * 12 * This work is licensed under the terms of the GNU GPL, version 2 or later. 13 * See the COPYING file in the top-level directory. 14 */ 15 16static void atomic_trace_rmw_post(CPUArchState *env, target_ulong addr, 17 MemOpIdx oi) 18{ 19 qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_RW); 20} 21 22#if HAVE_ATOMIC128 23static void atomic_trace_ld_post(CPUArchState *env, target_ulong addr, 24 MemOpIdx oi) 25{ 26 qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_R); 27} 28 29static void atomic_trace_st_post(CPUArchState *env, target_ulong addr, 30 MemOpIdx oi) 31{ 32 qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_W); 33} 34#endif 35 36/* 37 * Atomic helpers callable from TCG. 38 * These have a common interface and all defer to cpu_atomic_* 39 * using the host return address from GETPC(). 40 */ 41 42#define CMPXCHG_HELPER(OP, TYPE) \ 43 TYPE HELPER(atomic_##OP)(CPUArchState *env, target_ulong addr, \ 44 TYPE oldv, TYPE newv, uint32_t oi) \ 45 { return cpu_atomic_##OP##_mmu(env, addr, oldv, newv, oi, GETPC()); } 46 47CMPXCHG_HELPER(cmpxchgb, uint32_t) 48CMPXCHG_HELPER(cmpxchgw_be, uint32_t) 49CMPXCHG_HELPER(cmpxchgw_le, uint32_t) 50CMPXCHG_HELPER(cmpxchgl_be, uint32_t) 51CMPXCHG_HELPER(cmpxchgl_le, uint32_t) 52 53#ifdef CONFIG_ATOMIC64 54CMPXCHG_HELPER(cmpxchgq_be, uint64_t) 55CMPXCHG_HELPER(cmpxchgq_le, uint64_t) 56#endif 57 58#undef CMPXCHG_HELPER 59 60#define ATOMIC_HELPER(OP, TYPE) \ 61 TYPE HELPER(glue(atomic_,OP))(CPUArchState *env, target_ulong addr, \ 62 TYPE val, uint32_t oi) \ 63 { return glue(glue(cpu_atomic_,OP),_mmu)(env, addr, val, oi, GETPC()); } 64 65#ifdef CONFIG_ATOMIC64 66#define GEN_ATOMIC_HELPERS(OP) \ 67 ATOMIC_HELPER(glue(OP,b), uint32_t) \ 68 ATOMIC_HELPER(glue(OP,w_be), uint32_t) \ 69 ATOMIC_HELPER(glue(OP,w_le), uint32_t) \ 70 ATOMIC_HELPER(glue(OP,l_be), uint32_t) \ 71 ATOMIC_HELPER(glue(OP,l_le), uint32_t) \ 72 ATOMIC_HELPER(glue(OP,q_be), uint64_t) \ 73 ATOMIC_HELPER(glue(OP,q_le), uint64_t) 74#else 75#define GEN_ATOMIC_HELPERS(OP) \ 76 ATOMIC_HELPER(glue(OP,b), uint32_t) \ 77 ATOMIC_HELPER(glue(OP,w_be), uint32_t) \ 78 ATOMIC_HELPER(glue(OP,w_le), uint32_t) \ 79 ATOMIC_HELPER(glue(OP,l_be), uint32_t) \ 80 ATOMIC_HELPER(glue(OP,l_le), uint32_t) 81#endif 82 83GEN_ATOMIC_HELPERS(fetch_add) 84GEN_ATOMIC_HELPERS(fetch_and) 85GEN_ATOMIC_HELPERS(fetch_or) 86GEN_ATOMIC_HELPERS(fetch_xor) 87GEN_ATOMIC_HELPERS(fetch_smin) 88GEN_ATOMIC_HELPERS(fetch_umin) 89GEN_ATOMIC_HELPERS(fetch_smax) 90GEN_ATOMIC_HELPERS(fetch_umax) 91 92GEN_ATOMIC_HELPERS(add_fetch) 93GEN_ATOMIC_HELPERS(and_fetch) 94GEN_ATOMIC_HELPERS(or_fetch) 95GEN_ATOMIC_HELPERS(xor_fetch) 96GEN_ATOMIC_HELPERS(smin_fetch) 97GEN_ATOMIC_HELPERS(umin_fetch) 98GEN_ATOMIC_HELPERS(smax_fetch) 99GEN_ATOMIC_HELPERS(umax_fetch) 100 101GEN_ATOMIC_HELPERS(xchg) 102 103#undef ATOMIC_HELPER 104#undef GEN_ATOMIC_HELPERS 105