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accel/tcg: Standardize atomic helpers on softmmu api

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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>
This commit is contained in:
Richard Henderson 2021-07-16 15:51:32 -07:00
parent be9568b4e0
commit e28a866438
5 changed files with 82 additions and 143 deletions
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70
accel/tcg/atomic_common.c.inc
View file

@ -52,3 +52,73 @@ void atomic_trace_st_post(CPUArchState *env, target_ulong addr, uint16_t info)
{
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, info);
}
/*
* 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