diff --git a/qemu/target/m68k/translate.c b/qemu/target/m68k/translate.c index 75bd8c02..bfa53ccd 100644 --- a/qemu/target/m68k/translate.c +++ b/qemu/target/m68k/translate.c @@ -3074,6 +3074,26 @@ DISAS_INSN(rtd) gen_jmp(s, tmp); } +DISAS_INSN(rtr) +{ + TCGContext *tcg_ctx = s->uc->tcg_ctx; + TCGv tmp; + TCGv ccr; + TCGv sp; + + sp = tcg_temp_new(tcg_ctx); + ccr = gen_load(s, OS_WORD, QREG_SP, 0, IS_USER(s)); + tcg_gen_addi_i32(tcg_ctx, sp, QREG_SP, 2); + tmp = gen_load(s, OS_LONG, sp, 0, IS_USER(s)); + tcg_gen_addi_i32(tcg_ctx, QREG_SP, sp, 4); + tcg_temp_free(tcg_ctx, sp); + + gen_set_sr(s, ccr, true); + tcg_temp_free(tcg_ctx, ccr); + + gen_jmp(s, tmp); +} + DISAS_INSN(rts) { TCGContext *tcg_ctx = s->uc->tcg_ctx; @@ -6248,6 +6268,7 @@ void register_m68k_insns (CPUM68KState *env) BASE(nop, 4e71, ffff); INSN(rtd, 4e74, ffff, RTD); BASE(rts, 4e75, ffff); + INSN(rtr, 4e77, ffff, M68000); BASE(jump, 4e80, ffc0); BASE(jump, 4ec0, ffc0); INSN(addsubq, 5000, f080, M68000);