static void gen_store_exclusive(DisasContext *s, int rd, int rt, int rt2, TCGv addr, int size) { TCGv tmp; int done_label; int fail_label; /* if (env->exclusive_addr == addr && env->exclusive_val == [addr]) { [addr] = {Rt}; {Rd} = 0; } else { {Rd} = 1; } */ fail_label = gen_new_label(); done_label = gen_new_label(); tcg_gen_brcond_i32(TCG_COND_NE, addr, cpu_exclusive_addr, fail_label); switch (size) { case 0: tmp = gen_ld8u(addr, IS_USER(s)); break; case 1: tmp = gen_ld16u(addr, IS_USER(s)); break; case 2: case 3: tmp = gen_ld32(addr, IS_USER(s)); break; default: abort(); } tcg_gen_brcond_i32(TCG_COND_NE, tmp, cpu_exclusive_val, fail_label); dead_tmp(tmp); if (size == 3) { TCGv tmp2 = new_tmp(); tcg_gen_addi_i32(tmp2, addr, 4); tmp = gen_ld32(tmp2, IS_USER(s)); dead_tmp(tmp2); tcg_gen_brcond_i32(TCG_COND_NE, tmp, cpu_exclusive_high, fail_label); dead_tmp(tmp); } tmp = load_reg(s, rt); switch (size) { case 0: gen_st8(tmp, addr, IS_USER(s)); break; case 1: gen_st16(tmp, addr, IS_USER(s)); break; case 2: case 3: gen_st32(tmp, addr, IS_USER(s)); break; default: abort(); } if (size == 3) { tcg_gen_addi_i32(addr, addr, 4); tmp = load_reg(s, rt2); gen_st32(tmp, addr, IS_USER(s)); } tcg_gen_movi_i32(cpu_R[rd], 0); tcg_gen_br(done_label); gen_set_label(fail_label); tcg_gen_movi_i32(cpu_R[rd], 1); gen_set_label(done_label); tcg_gen_movi_i32(cpu_exclusive_addr, -1); }