mirror of https://github.com/xemu-project/xemu.git
target/ppc: Fix lqarx to set cpu_reserve
lqarx does not set cpu_reserve, which causes stqcx. to never succeed. Cc: qemu-stable@nongnu.org Fixes:94bf265867
("target/ppc: Use atomic load for LQ and LQARX") Fixes:57b38ffd0c
("target/ppc: Use tcg_gen_qemu_{ld,st}_i128 for LQARX, LQ, STQ") Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230605025445.161932-1-npiggin@gmail.com> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
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@ -3765,6 +3765,7 @@ static void gen_lqarx(DisasContext *ctx)
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tcg_gen_qemu_ld_i128(t16, EA, ctx->mem_idx, DEF_MEMOP(MO_128 | MO_ALIGN));
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tcg_gen_extr_i128_i64(lo, hi, t16);
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tcg_gen_mov_tl(cpu_reserve, EA);
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tcg_gen_st_tl(hi, cpu_env, offsetof(CPUPPCState, reserve_val));
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tcg_gen_st_tl(lo, cpu_env, offsetof(CPUPPCState, reserve_val2));
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}
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