From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51345) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VHKGu-00073U-Dr for qemu-devel@nongnu.org; Wed, 04 Sep 2013 17:06:02 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VHKGk-0003We-4C for qemu-devel@nongnu.org; Wed, 04 Sep 2013 17:05:52 -0400 Received: from mail-qa0-x22b.google.com ([2607:f8b0:400d:c00::22b]:34926) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VHKGk-0003Wa-00 for qemu-devel@nongnu.org; Wed, 04 Sep 2013 17:05:42 -0400 Received: by mail-qa0-f43.google.com with SMTP id bv4so2303305qab.16 for ; Wed, 04 Sep 2013 14:05:41 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Wed, 4 Sep 2013 14:04:50 -0700 Message-Id: <1378328705-23006-2-git-send-email-rth@twiddle.net> In-Reply-To: <1378328705-23006-1-git-send-email-rth@twiddle.net> References: <1378328705-23006-1-git-send-email-rth@twiddle.net> Subject: [Qemu-devel] [PATCH 01/16] tcg: Add TCGMemOp List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aurelien@aurel32.net Signed-off-by: Richard Henderson --- tcg/tcg.h | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 57 insertions(+), 2 deletions(-) diff --git a/tcg/tcg.h b/tcg/tcg.h index 53c4b33..91dcd92 100644 --- a/tcg/tcg.h +++ b/tcg/tcg.h @@ -197,6 +197,60 @@ typedef enum TCGType { #endif } TCGType; +/* Constants for qemu_ld and qemu_st for the Memory Operation field. */ +typedef enum TCGMemOp { + MO_8 = 0, + MO_16 = 1, + MO_32 = 2, + MO_64 = 3, + MO_SIZE = 3, /* Mask for the above. */ + + MO_SIGN = 4, /* Sign-extended, otherwise zero-extended. */ + + MO_BSWAP = 8, /* Host reverse endian. */ +#ifdef HOST_WORDS_BIGENDIAN + MO_LE = MO_BSWAP, + MO_BE = 0, +#else + MO_LE = 0, + MO_BE = MO_BSWAP, +#endif +#ifdef TARGET_WORDS_BIGENDIAN + MO_TE = MO_BE, +#else + MO_TE = MO_LE, +#endif + + /* Combinations of the above, for ease of use. */ + MO_UB = MO_8, + MO_UW = MO_16, + MO_UL = MO_32, + MO_SB = MO_SIGN | MO_8, + MO_SW = MO_SIGN | MO_16, + MO_SL = MO_SIGN | MO_32, + MO_Q = MO_64, + + MO_LEUW = MO_LE | MO_UW, + MO_LEUL = MO_LE | MO_UL, + MO_LESW = MO_LE | MO_SW, + MO_LESL = MO_LE | MO_SL, + MO_LEQ = MO_LE | MO_Q, + + MO_BEUW = MO_BE | MO_UW, + MO_BEUL = MO_BE | MO_UL, + MO_BESW = MO_BE | MO_SW, + MO_BESL = MO_BE | MO_SL, + MO_BEQ = MO_BE | MO_Q, + + MO_TEUW = MO_TE | MO_UW, + MO_TEUL = MO_TE | MO_UL, + MO_TESW = MO_TE | MO_SW, + MO_TESL = MO_TE | MO_SL, + MO_TEQ = MO_TE | MO_Q, + + MO_SSIZE = MO_SIZE | MO_SIGN, +} TCGMemOp; + typedef tcg_target_ulong TCGArg; /* Define a type and accessor macros for variables. Using a struct is @@ -217,8 +271,9 @@ typedef tcg_target_ulong TCGArg; #define TCG_MAX_QEMU_LDST 640 typedef struct TCGLabelQemuLdst { - int is_ld:1; /* qemu_ld: 1, qemu_st: 0 */ - int opc:4; + unsigned is_ld : 1; /* qemu_ld: 1, qemu_st: 0 */ + TCGMemOp opc : 4; + int addrlo_reg; /* reg index for low word of guest virtual addr */ int addrhi_reg; /* reg index for high word of guest virtual addr */ int datalo_reg; /* reg index for low word to be loaded or stored */ -- 1.8.1.4