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[69.222.133.165]) by smtp.gmail.com with ESMTPSA id f84sm33383540oig.43.2019.08.09.21.13.21 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 09 Aug 2019 21:13:22 -0700 (PDT) From: Jan Bobek To: qemu-devel@nongnu.org Date: Sat, 10 Aug 2019 00:12:32 -0400 Message-Id: <20190810041255.6820-17-jan.bobek@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190810041255.6820-1-jan.bobek@gmail.com> References: <20190810041255.6820-1-jan.bobek@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::341 Subject: [Qemu-devel] [RFC PATCH v2 16/39] target/i386: introduce instruction operand infrastructure 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: Jan Bobek , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" insnop_t and the init, prepare and finalize functions form the basis of instruction operand decoding. Introduce macros for defining a generic instruction operand; use cases for operand decoding will be introduced later with instruction translators. Signed-off-by: Jan Bobek --- target/i386/translate.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/target/i386/translate.c b/target/i386/translate.c index 508d584584..109e4922eb 100644 --- a/target/i386/translate.c +++ b/target/i386/translate.c @@ -4545,6 +4545,47 @@ static int ck_cpuid(CPUX86State *env, DisasContext *s, int ck_cpuid_feat) } } +/* + * Core instruction operand infrastructure + */ +#define insnop_t(opT) insnop_ ## opT ## _t +#define insnop_init(opT) insnop_ ## opT ## _init +#define insnop_prepare(opT) insnop_ ## opT ## _prepare +#define insnop_finalize(opT) insnop_ ## opT ## _finalize + +#define TYPEDEF_INSNOP_T(opT, type) \ + typedef type insnop_t(opT); +#define INSNOP_INIT(opT, init_stmt) \ + static int insnop_init(opT)(CPUX86State *env, DisasContext *s, \ + int modrm, insnop_t(opT) *op) \ + { \ + init_stmt; \ + } +#define INSNOP_PREPARE(opT, prepare_stmt) \ + static void insnop_prepare(opT)(CPUX86State *env, DisasContext *s, \ + int modrm, insnop_t(opT) *op) \ + { \ + prepare_stmt; \ + } +#define INSNOP_FINALIZE(opT, finalize_stmt) \ + static void insnop_finalize(opT)(CPUX86State *env, DisasContext *s, \ + int modrm, insnop_t(opT) *op) \ + { \ + finalize_stmt; \ + } +#define INSNOP(opT, type, init_stmt, prepare_stmt, finalize_stmt) \ + TYPEDEF_INSNOP_T(opT, type) \ + INSNOP_INIT(opT, init_stmt) \ + INSNOP_PREPARE(opT, prepare_stmt) \ + INSNOP_FINALIZE(opT, finalize_stmt) + +#define INSNOP_INIT_FAIL return 1 +#define INSNOP_INIT_OK(x) return ((*(op) = (x)), 0) +#define INSNOP_PREPARE_NOOP /* no-op */ +#define INSNOP_PREPARE_INVALID g_assert_not_reached() +#define INSNOP_FINALIZE_NOOP /* no-op */ +#define INSNOP_FINALIZE_INVALID g_assert_not_reached() + static void gen_sse_ng(CPUX86State *env, DisasContext *s, int b) { enum { -- 2.20.1