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tcg: Remove the TCG_GUEST_DEFAULT_MO definition globally

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By directly using TCGCPUOps::guest_default_memory_order,
we don't need the TCG_GUEST_DEFAULT_MO definition anymore.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2025-03-21 19:02:35 +01:00 • committed by Richard Henderson
parent 0eca13c29a
commit 8201f1a29c
40 changed files with 66 additions and 101 deletions
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23
target/sparc/cpu-param.h
View file

@ -23,27 +23,4 @@
#define TARGET_INSN_START_EXTRA_WORDS 1
/*
* From Oracle SPARC Architecture 2015:
*
* Compatibility notes: The PSO memory model described in SPARC V8 and
* SPARC V9 compatibility architecture specifications was never implemented
* in a SPARC V9 implementation and is not included in the Oracle SPARC
* Architecture specification.
*
* The RMO memory model described in the SPARC V9 specification was
* implemented in some non-Sun SPARC V9 implementations, but is not
* directly supported in Oracle SPARC Architecture 2015 implementations.
*
* Therefore always use TSO in QEMU.
*
* D.5 Specification of Partial Store Order (PSO)
* ... [loads] are followed by an implied MEMBAR #LoadLoad | #LoadStore.
*
* D.6 Specification of Total Store Order (TSO)
* ... PSO with the additional requirement that all [stores] are followed
* by an implied MEMBAR #StoreStore.
*/
#define TCG_GUEST_DEFAULT_MO (TCG_MO_LD_LD | TCG_MO_LD_ST | TCG_MO_ST_ST)
#endif

23
target/sparc/cpu.c
View file

@ -1001,7 +1001,28 @@ static const struct SysemuCPUOps sparc_sysemu_ops = {
#include "accel/tcg/cpu-ops.h"
static const TCGCPUOps sparc_tcg_ops = {
.guest_default_memory_order = TCG_GUEST_DEFAULT_MO,
/*
* From Oracle SPARC Architecture 2015:
*
* Compatibility notes: The PSO memory model described in SPARC V8 and
* SPARC V9 compatibility architecture specifications was never
* implemented in a SPARC V9 implementation and is not included in the
* Oracle SPARC Architecture specification.
*
* The RMO memory model described in the SPARC V9 specification was
* implemented in some non-Sun SPARC V9 implementations, but is not
* directly supported in Oracle SPARC Architecture 2015 implementations.
*
* Therefore always use TSO in QEMU.
*
* D.5 Specification of Partial Store Order (PSO)
* ... [loads] are followed by an implied MEMBAR #LoadLoad | #LoadStore.
*
* D.6 Specification of Total Store Order (TSO)
* ... PSO with the additional requirement that all [stores] are followed
* by an implied MEMBAR #StoreStore.
*/
.guest_default_memory_order = TCG_MO_LD_LD | TCG_MO_LD_ST | TCG_MO_ST_ST,
.initialize = sparc_tcg_init,
.translate_code = sparc_translate_code,