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qemu/accel/tcg/atomic_common.c.inc

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atomic_template: add inline trace/plugin helpers In preparation for plugin support. Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2018-10-21 02:48:36 +03:00
/*
* 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.
*/
accel/tcg: Push trace info building into atomic_common.c.inc Use trace_mem_get_info instead of trace_mem_build_info, using the TCGMemOpIdx that we already have. Do this in the atomic_trace_*_pre function as common subroutines. Tested-by: Cole Robinson <crobinso@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-17 04:27:13 +03:00
static void atomic_trace_rmw_post(CPUArchState *env, target_ulong addr,
accel/tcg: Pass MemOpIdx to atomic_trace_*_post We will shortly use the MemOpIdx directly, but in the meantime re-compute the trace meminfo. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-26 21:19:40 +03:00
MemOpIdx oi)
atomic_template: add inline trace/plugin helpers In preparation for plugin support. Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2018-10-21 02:48:36 +03:00
{
plugins: Reorg arguments to qemu_plugin_vcpu_mem_cb Use the MemOpIdx directly, rather than the rearrangement of the same bits currently done by the trace infrastructure. Pass in enum qemu_plugin_mem_rw so that we are able to treat read-modify-write operations as a single operation. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-27 00:48:30 +03:00
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_RW);
atomic_template: add inline trace/plugin helpers In preparation for plugin support. Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2018-10-21 02:48:36 +03:00
}
accel/tcg: Push trace info building into atomic_common.c.inc Use trace_mem_get_info instead of trace_mem_build_info, using the TCGMemOpIdx that we already have. Do this in the atomic_trace_*_pre function as common subroutines. Tested-by: Cole Robinson <crobinso@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-17 04:27:13 +03:00
#if HAVE_ATOMIC128
static void atomic_trace_ld_post(CPUArchState *env, target_ulong addr,
accel/tcg: Pass MemOpIdx to atomic_trace_*_post We will shortly use the MemOpIdx directly, but in the meantime re-compute the trace meminfo. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-26 21:19:40 +03:00
MemOpIdx oi)
atomic_template: add inline trace/plugin helpers In preparation for plugin support. Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2018-10-21 02:48:36 +03:00
{
plugins: Reorg arguments to qemu_plugin_vcpu_mem_cb Use the MemOpIdx directly, rather than the rearrangement of the same bits currently done by the trace infrastructure. Pass in enum qemu_plugin_mem_rw so that we are able to treat read-modify-write operations as a single operation. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-27 00:48:30 +03:00
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_R);
atomic_template: add inline trace/plugin helpers In preparation for plugin support. Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2018-10-21 02:48:36 +03:00
}
accel/tcg: Push trace info building into atomic_common.c.inc Use trace_mem_get_info instead of trace_mem_build_info, using the TCGMemOpIdx that we already have. Do this in the atomic_trace_*_pre function as common subroutines. Tested-by: Cole Robinson <crobinso@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-17 04:27:13 +03:00
static void atomic_trace_st_post(CPUArchState *env, target_ulong addr,
accel/tcg: Pass MemOpIdx to atomic_trace_*_post We will shortly use the MemOpIdx directly, but in the meantime re-compute the trace meminfo. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-26 21:19:40 +03:00
MemOpIdx oi)
atomic_template: add inline trace/plugin helpers In preparation for plugin support. Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2018-10-21 02:48:36 +03:00
{
plugins: Reorg arguments to qemu_plugin_vcpu_mem_cb Use the MemOpIdx directly, rather than the rearrangement of the same bits currently done by the trace infrastructure. Pass in enum qemu_plugin_mem_rw so that we are able to treat read-modify-write operations as a single operation. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-27 00:48:30 +03:00
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_W);
atomic_template: add inline trace/plugin helpers In preparation for plugin support. Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2018-10-21 02:48:36 +03:00
}
accel/tcg: Push trace info building into atomic_common.c.inc Use trace_mem_get_info instead of trace_mem_build_info, using the TCGMemOpIdx that we already have. Do this in the atomic_trace_*_pre function as common subroutines. Tested-by: Cole Robinson <crobinso@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-17 04:27:13 +03:00
#endif
accel/tcg: Standardize atomic helpers on softmmu api Reduce the amount of code duplication by always passing the TCGMemOpIdx argument to helper_atomic_*. This is not currently used for user-only, but it's easy to ignore. Tested-by: Cole Robinson <crobinso@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-17 01:51:32 +03:00
/*
* 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
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