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-rw-r--r--tcg/s390/tcg-target.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/tcg/s390/tcg-target.c b/tcg/s390/tcg-target.c
index 47ffcc1f51..04662c15fd 100644
--- a/tcg/s390/tcg-target.c
+++ b/tcg/s390/tcg-target.c
@@ -301,6 +301,27 @@ static const uint8_t tcg_cond_to_ltr_cond[10] = {
#include "../../softmmu_defs.h"
+#ifdef CONFIG_TCG_PASS_AREG0
+/* helper signature: helper_ld_mmu(CPUState *env, target_ulong addr,
+ int mmu_idx) */
+static const void * const qemu_ld_helpers[4] = {
+ helper_ldb_mmu,
+ helper_ldw_mmu,
+ helper_ldl_mmu,
+ helper_ldq_mmu,
+};
+
+/* helper signature: helper_st_mmu(CPUState *env, target_ulong addr,
+ uintxx_t val, int mmu_idx) */
+static const void * const qemu_st_helpers[4] = {
+ helper_stb_mmu,
+ helper_stw_mmu,
+ helper_stl_mmu,
+ helper_stq_mmu,
+};
+#else
+/* legacy helper signature: __ld_mmu(target_ulong addr, int
+ mmu_idx) */
static void *qemu_ld_helpers[4] = {
__ldb_mmu,
__ldw_mmu,
@@ -308,6 +329,8 @@ static void *qemu_ld_helpers[4] = {
__ldq_mmu,
};
+/* legacy helper signature: __st_mmu(target_ulong addr, uintxx_t val,
+ int mmu_idx) */
static void *qemu_st_helpers[4] = {
__stb_mmu,
__stw_mmu,
@@ -315,6 +338,7 @@ static void *qemu_st_helpers[4] = {
__stq_mmu,
};
#endif
+#endif
static uint8_t *tb_ret_addr;
@@ -1483,9 +1507,29 @@ static void tcg_prepare_qemu_ldst(TCGContext* s, TCGReg data_reg,
tcg_abort();
}
tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_R4, mem_index);
+#ifdef CONFIG_TCG_PASS_AREG0
+ /* XXX/FIXME: suboptimal */
+ tcg_out_mov(s, TCG_TYPE_I32, tcg_target_call_iarg_regs[2],
+ tcg_target_call_iarg_regs[1]);
+ tcg_out_mov(s, TCG_TYPE_TL, tcg_target_call_iarg_regs[1],
+ tcg_target_call_iarg_regs[0]);
+ tcg_out_mov(s, TCG_TYPE_PTR, tcg_target_call_iarg_regs[0],
+ TCG_AREG0);
+#endif
tgen_calli(s, (tcg_target_ulong)qemu_st_helpers[s_bits]);
} else {
tcg_out_movi(s, TCG_TYPE_I32, arg1, mem_index);
+#ifdef CONFIG_TCG_PASS_AREG0
+ /* XXX/FIXME: suboptimal */
+ tcg_out_mov(s, TCG_TYPE_I32, tcg_target_call_iarg_regs[3],
+ tcg_target_call_iarg_regs[2]);
+ tcg_out_mov(s, TCG_TYPE_I64, tcg_target_call_iarg_regs[2],
+ tcg_target_call_iarg_regs[1]);
+ tcg_out_mov(s, TCG_TYPE_TL, tcg_target_call_iarg_regs[1],
+ tcg_target_call_iarg_regs[0]);
+ tcg_out_mov(s, TCG_TYPE_PTR, tcg_target_call_iarg_regs[0],
+ TCG_AREG0);
+#endif
tgen_calli(s, (tcg_target_ulong)qemu_ld_helpers[s_bits]);
/* sign extension */