31f1275b90
implement the optional sign/zero extend operations with the dedicated aarch64 instructions. Signed-off-by: Claudio Fontana <claudio.fontana@huawei.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Message-id: 51AC9A58.40502@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
100 lines
3.4 KiB
C
100 lines
3.4 KiB
C
/*
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* Initial TCG Implementation for aarch64
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*
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* Copyright (c) 2013 Huawei Technologies Duesseldorf GmbH
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* Written by Claudio Fontana
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or
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* (at your option) any later version.
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*
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* See the COPYING file in the top-level directory for details.
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*/
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#ifndef TCG_TARGET_AARCH64
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#define TCG_TARGET_AARCH64 1
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#undef TCG_TARGET_WORDS_BIGENDIAN
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#undef TCG_TARGET_STACK_GROWSUP
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typedef enum {
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TCG_REG_X0, TCG_REG_X1, TCG_REG_X2, TCG_REG_X3, TCG_REG_X4,
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TCG_REG_X5, TCG_REG_X6, TCG_REG_X7, TCG_REG_X8, TCG_REG_X9,
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TCG_REG_X10, TCG_REG_X11, TCG_REG_X12, TCG_REG_X13, TCG_REG_X14,
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TCG_REG_X15, TCG_REG_X16, TCG_REG_X17, TCG_REG_X18, TCG_REG_X19,
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TCG_REG_X20, TCG_REG_X21, TCG_REG_X22, TCG_REG_X23, TCG_REG_X24,
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TCG_REG_X25, TCG_REG_X26, TCG_REG_X27, TCG_REG_X28,
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TCG_REG_FP, /* frame pointer */
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TCG_REG_LR, /* link register */
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TCG_REG_SP, /* stack pointer or zero register */
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TCG_REG_XZR = TCG_REG_SP /* same register number */
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/* program counter is not directly accessible! */
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} TCGReg;
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#define TCG_TARGET_NB_REGS 32
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/* used for function call generation */
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#define TCG_REG_CALL_STACK TCG_REG_SP
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#define TCG_TARGET_STACK_ALIGN 16
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#define TCG_TARGET_CALL_ALIGN_ARGS 1
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#define TCG_TARGET_CALL_STACK_OFFSET 0
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/* optional instructions */
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#define TCG_TARGET_HAS_div_i32 0
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#define TCG_TARGET_HAS_ext8s_i32 1
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#define TCG_TARGET_HAS_ext16s_i32 1
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#define TCG_TARGET_HAS_ext8u_i32 1
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#define TCG_TARGET_HAS_ext16u_i32 1
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#define TCG_TARGET_HAS_bswap16_i32 1
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#define TCG_TARGET_HAS_bswap32_i32 1
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#define TCG_TARGET_HAS_not_i32 0
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#define TCG_TARGET_HAS_neg_i32 0
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#define TCG_TARGET_HAS_rot_i32 1
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#define TCG_TARGET_HAS_andc_i32 0
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#define TCG_TARGET_HAS_orc_i32 0
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#define TCG_TARGET_HAS_eqv_i32 0
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#define TCG_TARGET_HAS_nand_i32 0
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#define TCG_TARGET_HAS_nor_i32 0
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#define TCG_TARGET_HAS_deposit_i32 0
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#define TCG_TARGET_HAS_movcond_i32 0
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#define TCG_TARGET_HAS_add2_i32 0
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#define TCG_TARGET_HAS_sub2_i32 0
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#define TCG_TARGET_HAS_mulu2_i32 0
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#define TCG_TARGET_HAS_muls2_i32 0
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#define TCG_TARGET_HAS_div_i64 0
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#define TCG_TARGET_HAS_ext8s_i64 1
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#define TCG_TARGET_HAS_ext16s_i64 1
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#define TCG_TARGET_HAS_ext32s_i64 1
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#define TCG_TARGET_HAS_ext8u_i64 1
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#define TCG_TARGET_HAS_ext16u_i64 1
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#define TCG_TARGET_HAS_ext32u_i64 1
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#define TCG_TARGET_HAS_bswap16_i64 1
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#define TCG_TARGET_HAS_bswap32_i64 1
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#define TCG_TARGET_HAS_bswap64_i64 1
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#define TCG_TARGET_HAS_not_i64 0
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#define TCG_TARGET_HAS_neg_i64 0
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#define TCG_TARGET_HAS_rot_i64 1
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#define TCG_TARGET_HAS_andc_i64 0
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#define TCG_TARGET_HAS_orc_i64 0
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#define TCG_TARGET_HAS_eqv_i64 0
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#define TCG_TARGET_HAS_nand_i64 0
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#define TCG_TARGET_HAS_nor_i64 0
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#define TCG_TARGET_HAS_deposit_i64 0
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#define TCG_TARGET_HAS_movcond_i64 0
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#define TCG_TARGET_HAS_add2_i64 0
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#define TCG_TARGET_HAS_sub2_i64 0
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#define TCG_TARGET_HAS_mulu2_i64 0
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#define TCG_TARGET_HAS_muls2_i64 0
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enum {
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TCG_AREG0 = TCG_REG_X19,
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};
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static inline void flush_icache_range(tcg_target_ulong start,
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tcg_target_ulong stop)
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{
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__builtin___clear_cache((char *)start, (char *)stop);
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}
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#endif /* TCG_TARGET_AARCH64 */
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