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[83.51.215.31]) by smtp.gmail.com with ESMTPSA id h9sm13225232edt.18.2021.05.18.11.37.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 May 2021 11:37:32 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [RFC PATCH 07/25] qemu/bswap: Introduce ST_CONVERT() macro Date: Tue, 18 May 2021 20:36:37 +0200 Message-Id: <20210518183655.1711377-8-philmd@redhat.com> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210518183655.1711377-1-philmd@redhat.com> References: <20210518183655.1711377-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.374, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: Peter Maydell , "Michael S. Tsirkin" , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Huacai Chen , Richard Henderson , Peter Xu , Paolo Bonzini , Bibo Mao Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" To be able to add more load/store operations, introduce the ST_CONVERT() macro. Signed-off-by: Philippe Mathieu-Daudé --- include/qemu/bswap.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/include/qemu/bswap.h b/include/qemu/bswap.h index 2d3bb8bbedd..86f5ded6acf 100644 --- a/include/qemu/bswap.h +++ b/include/qemu/bswap.h @@ -449,6 +449,23 @@ static inline void stq_be_p(void *ptr, uint64_t v) stq_he_p(ptr, be_bswap(v, 64)); } +#define ST_CONVERT_UNALIGNED(bits, vtype, size)\ +static inline void st ## size ## _he_p(void *ptr, vtype v)\ +{\ + __builtin_memcpy(ptr, &v, sizeof(v));\ +} + +#define ST_CONVERT_END(endian, bits, vtype, size)\ +static inline void st ## size ## _ ## endian ## _p(void *ptr, vtype v)\ +{\ + st ## size ## _he_p(ptr, glue(endian, _bswap)(v, bits));\ +} + +#define ST_CONVERT(bits, vtype, size)\ + ST_CONVERT_UNALIGNED(bits, vtype, size)\ + ST_CONVERT_END(le, bits, vtype, size)\ + ST_CONVERT_END(be, bits, vtype, size) + static inline unsigned long leul_to_cpu(unsigned long v) { #if HOST_LONG_BITS == 32 -- 2.26.3