qemu/accel/tcg/atomic_common.c.inc
Alex Bennée c51e51005b tracing: remove TCG memory access tracing
If you really want to trace all memory operations TCG plugins gives
you a more flexible interface for doing so.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Luis Vilanova <vilanova@imperial.ac.uk>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20220204204335.1689602-19-alex.bennee@linaro.org>
2022-02-09 12:08:42 +00:00

105 lines
3.2 KiB
C++

/*
* Common Atomic Helper Functions
*
* This file should be included before the various instantiations of
* the atomic_template.h helpers.
*
* Copyright (c) 2019 Linaro
* Written by Alex Bennée <alex.bennee@linaro.org>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
static void atomic_trace_rmw_post(CPUArchState *env, target_ulong addr,
MemOpIdx oi)
{
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_RW);
}
#if HAVE_ATOMIC128
static void atomic_trace_ld_post(CPUArchState *env, target_ulong addr,
MemOpIdx oi)
{
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_R);
}
static void atomic_trace_st_post(CPUArchState *env, target_ulong addr,
MemOpIdx oi)
{
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_W);
}
#endif
/*
* Atomic helpers callable from TCG.
* These have a common interface and all defer to cpu_atomic_*
* using the host return address from GETPC().
*/
#define CMPXCHG_HELPER(OP, TYPE) \
TYPE HELPER(atomic_##OP)(CPUArchState *env, target_ulong addr, \
TYPE oldv, TYPE newv, uint32_t oi) \
{ return cpu_atomic_##OP##_mmu(env, addr, oldv, newv, oi, GETPC()); }
CMPXCHG_HELPER(cmpxchgb, uint32_t)
CMPXCHG_HELPER(cmpxchgw_be, uint32_t)
CMPXCHG_HELPER(cmpxchgw_le, uint32_t)
CMPXCHG_HELPER(cmpxchgl_be, uint32_t)
CMPXCHG_HELPER(cmpxchgl_le, uint32_t)
#ifdef CONFIG_ATOMIC64
CMPXCHG_HELPER(cmpxchgq_be, uint64_t)
CMPXCHG_HELPER(cmpxchgq_le, uint64_t)
#endif
#undef CMPXCHG_HELPER
#define ATOMIC_HELPER(OP, TYPE) \
TYPE HELPER(glue(atomic_,OP))(CPUArchState *env, target_ulong addr, \
TYPE val, uint32_t oi) \
{ return glue(glue(cpu_atomic_,OP),_mmu)(env, addr, val, oi, GETPC()); }
#ifdef CONFIG_ATOMIC64
#define GEN_ATOMIC_HELPERS(OP) \
ATOMIC_HELPER(glue(OP,b), uint32_t) \
ATOMIC_HELPER(glue(OP,w_be), uint32_t) \
ATOMIC_HELPER(glue(OP,w_le), uint32_t) \
ATOMIC_HELPER(glue(OP,l_be), uint32_t) \
ATOMIC_HELPER(glue(OP,l_le), uint32_t) \
ATOMIC_HELPER(glue(OP,q_be), uint64_t) \
ATOMIC_HELPER(glue(OP,q_le), uint64_t)
#else
#define GEN_ATOMIC_HELPERS(OP) \
ATOMIC_HELPER(glue(OP,b), uint32_t) \
ATOMIC_HELPER(glue(OP,w_be), uint32_t) \
ATOMIC_HELPER(glue(OP,w_le), uint32_t) \
ATOMIC_HELPER(glue(OP,l_be), uint32_t) \
ATOMIC_HELPER(glue(OP,l_le), uint32_t)
#endif
GEN_ATOMIC_HELPERS(fetch_add)
GEN_ATOMIC_HELPERS(fetch_and)
GEN_ATOMIC_HELPERS(fetch_or)
GEN_ATOMIC_HELPERS(fetch_xor)
GEN_ATOMIC_HELPERS(fetch_smin)
GEN_ATOMIC_HELPERS(fetch_umin)
GEN_ATOMIC_HELPERS(fetch_smax)
GEN_ATOMIC_HELPERS(fetch_umax)
GEN_ATOMIC_HELPERS(add_fetch)
GEN_ATOMIC_HELPERS(and_fetch)
GEN_ATOMIC_HELPERS(or_fetch)
GEN_ATOMIC_HELPERS(xor_fetch)
GEN_ATOMIC_HELPERS(smin_fetch)
GEN_ATOMIC_HELPERS(umin_fetch)
GEN_ATOMIC_HELPERS(smax_fetch)
GEN_ATOMIC_HELPERS(umax_fetch)
GEN_ATOMIC_HELPERS(xchg)
#undef ATOMIC_HELPER
#undef GEN_ATOMIC_HELPERS