diff options
Diffstat (limited to 'target/sparc/cpu.c')
| -rw-r--r-- | target/sparc/cpu.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c index 5716120..f7d231c 100644 --- a/target/sparc/cpu.c +++ b/target/sparc/cpu.c @@ -22,6 +22,7 @@ #include "cpu.h" #include "qemu/module.h" #include "qemu/qemu-print.h" +#include "accel/tcg/cpu-mmu-index.h" #include "exec/exec-all.h" #include "exec/translation-block.h" #include "hw/qdev-properties.h" @@ -1000,10 +1001,35 @@ static const struct SysemuCPUOps sparc_sysemu_ops = { #include "accel/tcg/cpu-ops.h" static const TCGCPUOps sparc_tcg_ops = { + /* + * 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, + .mttcg_supported = true, + .initialize = sparc_tcg_init, .translate_code = sparc_translate_code, .synchronize_from_tb = sparc_cpu_synchronize_from_tb, .restore_state_to_opc = sparc_restore_state_to_opc, + .mmu_index = sparc_cpu_mmu_index, #ifndef CONFIG_USER_ONLY .tlb_fill = sparc_cpu_tlb_fill, @@ -1032,7 +1058,6 @@ static void sparc_cpu_class_init(ObjectClass *oc, void *data) cc->class_by_name = sparc_cpu_class_by_name; cc->parse_features = sparc_cpu_parse_features; - cc->mmu_index = sparc_cpu_mmu_index; cc->dump_state = sparc_cpu_dump_state; #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) cc->memory_rw_debug = sparc_cpu_memory_rw_debug; |