tcg-target.h revision 3d40f685fa5cdd9cb665ae3cbf5f76113dafcb99
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync/*
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync * Tiny Code Generator for QEMU
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync *
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync * Copyright (c) 2008 Fabrice Bellard
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync *
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync * Permission is hereby granted, free of charge, to any person obtaining a copy
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * of this software and associated documentation files (the "Software"), to deal
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync * in the Software without restriction, including without limitation the rights
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync * copies of the Software, and to permit persons to whom the Software is
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync * furnished to do so, subject to the following conditions:
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync *
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * The above copyright notice and this permission notice shall be included in
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * all copies or substantial portions of the Software.
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync *
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync * THE SOFTWARE.
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync */
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#define TCG_TARGET_I386 1
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#if defined(__x86_64__)
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync# define TCG_TARGET_REG_BITS 64
da957c069c2a3c582fe265ff88170ce4c42b499dvboxsync#else
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync# define TCG_TARGET_REG_BITS 32
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#endif
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync//#define TCG_TARGET_WORDS_BIGENDIAN
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync#if TCG_TARGET_REG_BITS == 64
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync# define TCG_TARGET_NB_REGS 16
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#else
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync# define TCG_TARGET_NB_REGS 8
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#endif
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsyncenum {
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync TCG_REG_EAX = 0,
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync TCG_REG_ECX,
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync TCG_REG_EDX,
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync TCG_REG_EBX,
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync TCG_REG_ESP,
0f1e77149ab5ab40fa2bd74a5330e087416b3c7bvboxsync TCG_REG_EBP,
0f1e77149ab5ab40fa2bd74a5330e087416b3c7bvboxsync TCG_REG_ESI,
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync TCG_REG_EDI,
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync /* 64-bit registers; always define the symbols to avoid
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync too much if-deffing. */
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync TCG_REG_R8,
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync TCG_REG_R9,
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync TCG_REG_R10,
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync TCG_REG_R11,
0f1e77149ab5ab40fa2bd74a5330e087416b3c7bvboxsync TCG_REG_R12,
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync TCG_REG_R13,
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync TCG_REG_R14,
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync TCG_REG_R15,
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync TCG_REG_RAX = TCG_REG_EAX,
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync TCG_REG_RCX = TCG_REG_ECX,
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync TCG_REG_RDX = TCG_REG_EDX,
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync TCG_REG_RBX = TCG_REG_EBX,
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync TCG_REG_RSP = TCG_REG_ESP,
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync TCG_REG_RBP = TCG_REG_EBP,
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync TCG_REG_RSI = TCG_REG_ESI,
0f1e77149ab5ab40fa2bd74a5330e087416b3c7bvboxsync TCG_REG_RDI = TCG_REG_EDI,
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync};
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#define TCG_CT_CONST_S32 0x100
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#define TCG_CT_CONST_U32 0x200
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync/* used for function call generation */
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync#define TCG_REG_CALL_STACK TCG_REG_ESP
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync#define TCG_TARGET_STACK_ALIGN 16
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync#if defined(VBOX) && defined(__MINGW64__)
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync# define TCG_TARGET_CALL_STACK_OFFSET 32 /* 4 qword argument/register spill zone */
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync#else
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync#define TCG_TARGET_CALL_STACK_OFFSET 0
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync#endif
fe96bc0e43d9c137304462ef8c2d79cbff22446fvboxsync
fa033b734cf3b131680f290326ccbbd23c42946bvboxsync/* optional instructions */
fe96bc0e43d9c137304462ef8c2d79cbff22446fvboxsync#define TCG_TARGET_HAS_div2_i32
fe96bc0e43d9c137304462ef8c2d79cbff22446fvboxsync#define TCG_TARGET_HAS_rot_i32
fe96bc0e43d9c137304462ef8c2d79cbff22446fvboxsync#define TCG_TARGET_HAS_ext8s_i32
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#define TCG_TARGET_HAS_ext16s_i32
fa033b734cf3b131680f290326ccbbd23c42946bvboxsync#define TCG_TARGET_HAS_ext8u_i32
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#define TCG_TARGET_HAS_ext16u_i32
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#define TCG_TARGET_HAS_bswap16_i32
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#define TCG_TARGET_HAS_bswap32_i32
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#define TCG_TARGET_HAS_neg_i32
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#define TCG_TARGET_HAS_not_i32
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync// #define TCG_TARGET_HAS_andc_i32
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync// #define TCG_TARGET_HAS_orc_i32
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync// #define TCG_TARGET_HAS_eqv_i32
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync// #define TCG_TARGET_HAS_nand_i32
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync// #define TCG_TARGET_HAS_nor_i32
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#if TCG_TARGET_REG_BITS == 64
548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync#define TCG_TARGET_HAS_div2_i64
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync#define TCG_TARGET_HAS_rot_i64
a39ea3668b7019c23a68936259545f9b71bce1aavboxsync#define TCG_TARGET_HAS_ext8s_i64
a39ea3668b7019c23a68936259545f9b71bce1aavboxsync#define TCG_TARGET_HAS_ext16s_i64
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync#define TCG_TARGET_HAS_ext32s_i64
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#define TCG_TARGET_HAS_ext8u_i64
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#define TCG_TARGET_HAS_ext16u_i64
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#define TCG_TARGET_HAS_ext32u_i64
0f1e77149ab5ab40fa2bd74a5330e087416b3c7bvboxsync#define TCG_TARGET_HAS_bswap16_i64
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#define TCG_TARGET_HAS_bswap32_i64
0f1e77149ab5ab40fa2bd74a5330e087416b3c7bvboxsync#define TCG_TARGET_HAS_bswap64_i64
0f1e77149ab5ab40fa2bd74a5330e087416b3c7bvboxsync#define TCG_TARGET_HAS_neg_i64
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync#define TCG_TARGET_HAS_not_i64
548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync// #define TCG_TARGET_HAS_andc_i64
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync// #define TCG_TARGET_HAS_orc_i64
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync// #define TCG_TARGET_HAS_eqv_i64
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync// #define TCG_TARGET_HAS_nand_i64
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync// #define TCG_TARGET_HAS_nor_i64
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync#endif
5b1d6bab9f4cf5dacf1883e7c4a40c84349f597fvboxsync
548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync#define TCG_TARGET_HAS_GUEST_BASE
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync
548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync/* Note: must be synced with dyngen-exec.h */
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync#if TCG_TARGET_REG_BITS == 64
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync# define TCG_AREG0 TCG_REG_R14
548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync#else
548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync# ifndef VBOX /* we're using ESI instead of EBP, probably due to frame pointer opt issues */
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync# define TCG_AREG0 TCG_REG_EBP
548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync# else /* VBOX */
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync# define TCG_AREG0 TCG_REG_ESI
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync# endif /* VBOX */
914d33aebb63d8c288dfd1b7e74f8e2acf3eaa66vboxsync#endif
0f1e77149ab5ab40fa2bd74a5330e087416b3c7bvboxsync
0f1e77149ab5ab40fa2bd74a5330e087416b3c7bvboxsyncstatic inline void flush_icache_range(uintptr_t start, uintptr_t stop)
aa32d4906f2f685992091893d5abdf27a2352a85vboxsync{
548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync}
aa32d4906f2f685992091893d5abdf27a2352a85vboxsync