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[173.198.77.218]) by smtp.gmail.com with ESMTPSA id ns18sm12091020pjb.31.2021.08.02.21.18.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Aug 2021 21:18:34 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 40/55] target/arm: Use cpu_*_mmu instead of helper_*_mmu Date: Mon, 2 Aug 2021 18:14:28 -1000 Message-Id: <20210803041443.55452-41-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210803041443.55452-1-richard.henderson@linaro.org> References: <20210803041443.55452-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1034; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1034.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The helper_*_mmu functions were the only thing available when this code was written. This could have been adjusted when we added cpu_*_mmuidx_ra, but now we can most easily use the newest set of interfaces. Cc: qemu-arm@nongnu.org Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- target/arm/helper-a64.c | 52 +++++++---------------------------------- target/arm/m_helper.c | 6 ++--- 2 files changed, 11 insertions(+), 47 deletions(-) diff --git a/target/arm/helper-a64.c b/target/arm/helper-a64.c index f1a4089a4f..17c0ebebb2 100644 --- a/target/arm/helper-a64.c +++ b/target/arm/helper-a64.c @@ -512,37 +512,19 @@ uint64_t HELPER(paired_cmpxchg64_le)(CPUARMState *env, uint64_t addr, uintptr_t ra = GETPC(); uint64_t o0, o1; bool success; - -#ifdef CONFIG_USER_ONLY - /* ??? Enforce alignment. */ - uint64_t *haddr = g2h(env_cpu(env), addr); - - set_helper_retaddr(ra); - o0 = ldq_le_p(haddr + 0); - o1 = ldq_le_p(haddr + 1); - oldv = int128_make128(o0, o1); - - success = int128_eq(oldv, cmpv); - if (success) { - stq_le_p(haddr + 0, int128_getlo(newv)); - stq_le_p(haddr + 1, int128_gethi(newv)); - } - clear_helper_retaddr(); -#else int mem_idx = cpu_mmu_index(env, false); MemOpIdx oi0 = make_memop_idx(MO_LEQ | MO_ALIGN_16, mem_idx); MemOpIdx oi1 = make_memop_idx(MO_LEQ, mem_idx); - o0 = helper_le_ldq_mmu(env, addr + 0, oi0, ra); - o1 = helper_le_ldq_mmu(env, addr + 8, oi1, ra); + o0 = cpu_ldq_le_mmu(env, addr + 0, oi0, ra); + o1 = cpu_ldq_le_mmu(env, addr + 8, oi1, ra); oldv = int128_make128(o0, o1); success = int128_eq(oldv, cmpv); if (success) { - helper_le_stq_mmu(env, addr + 0, int128_getlo(newv), oi1, ra); - helper_le_stq_mmu(env, addr + 8, int128_gethi(newv), oi1, ra); + cpu_stq_le_mmu(env, addr + 0, int128_getlo(newv), oi1, ra); + cpu_stq_le_mmu(env, addr + 8, int128_gethi(newv), oi1, ra); } -#endif return !success; } @@ -582,37 +564,19 @@ uint64_t HELPER(paired_cmpxchg64_be)(CPUARMState *env, uint64_t addr, uintptr_t ra = GETPC(); uint64_t o0, o1; bool success; - -#ifdef CONFIG_USER_ONLY - /* ??? Enforce alignment. */ - uint64_t *haddr = g2h(env_cpu(env), addr); - - set_helper_retaddr(ra); - o1 = ldq_be_p(haddr + 0); - o0 = ldq_be_p(haddr + 1); - oldv = int128_make128(o0, o1); - - success = int128_eq(oldv, cmpv); - if (success) { - stq_be_p(haddr + 0, int128_gethi(newv)); - stq_be_p(haddr + 1, int128_getlo(newv)); - } - clear_helper_retaddr(); -#else int mem_idx = cpu_mmu_index(env, false); MemOpIdx oi0 = make_memop_idx(MO_BEQ | MO_ALIGN_16, mem_idx); MemOpIdx oi1 = make_memop_idx(MO_BEQ, mem_idx); - o1 = helper_be_ldq_mmu(env, addr + 0, oi0, ra); - o0 = helper_be_ldq_mmu(env, addr + 8, oi1, ra); + o1 = cpu_ldq_be_mmu(env, addr + 0, oi0, ra); + o0 = cpu_ldq_be_mmu(env, addr + 8, oi1, ra); oldv = int128_make128(o0, o1); success = int128_eq(oldv, cmpv); if (success) { - helper_be_stq_mmu(env, addr + 0, int128_gethi(newv), oi1, ra); - helper_be_stq_mmu(env, addr + 8, int128_getlo(newv), oi1, ra); + cpu_stq_be_mmu(env, addr + 0, int128_gethi(newv), oi1, ra); + cpu_stq_be_mmu(env, addr + 8, int128_getlo(newv), oi1, ra); } -#endif return !success; } diff --git a/target/arm/m_helper.c b/target/arm/m_helper.c index efb522dc44..b6019595f5 100644 --- a/target/arm/m_helper.c +++ b/target/arm/m_helper.c @@ -1947,9 +1947,9 @@ static bool do_v7m_function_return(ARMCPU *cpu) * do them as secure, so work out what MMU index that is. */ mmu_idx = arm_v7m_mmu_idx_for_secstate(env, true); - oi = make_memop_idx(MO_LE, arm_to_core_mmu_idx(mmu_idx)); - newpc = helper_le_ldul_mmu(env, frameptr, oi, 0); - newpsr = helper_le_ldul_mmu(env, frameptr + 4, oi, 0); + oi = make_memop_idx(MO_LEUL, arm_to_core_mmu_idx(mmu_idx)); + newpc = cpu_ldl_le_mmu(env, frameptr, oi, 0); + newpsr = cpu_ldl_le_mmu(env, frameptr + 4, oi, 0); /* Consistency checks on new IPSR */ newpsr_exc = newpsr & XPSR_EXCP; -- 2.25.1