ca675f46e6
There are several hosts with only a "div" insn. Remainder is computed manually from the quotient and inputs. We can do this generically. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
102 lines
3.5 KiB
C
102 lines
3.5 KiB
C
/*
|
|
* Initial TCG Implementation for aarch64
|
|
*
|
|
* Copyright (c) 2013 Huawei Technologies Duesseldorf GmbH
|
|
* Written by Claudio Fontana
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or
|
|
* (at your option) any later version.
|
|
*
|
|
* See the COPYING file in the top-level directory for details.
|
|
*/
|
|
|
|
#ifndef TCG_TARGET_AARCH64
|
|
#define TCG_TARGET_AARCH64 1
|
|
|
|
#undef TCG_TARGET_WORDS_BIGENDIAN
|
|
#undef TCG_TARGET_STACK_GROWSUP
|
|
|
|
typedef enum {
|
|
TCG_REG_X0, TCG_REG_X1, TCG_REG_X2, TCG_REG_X3, TCG_REG_X4,
|
|
TCG_REG_X5, TCG_REG_X6, TCG_REG_X7, TCG_REG_X8, TCG_REG_X9,
|
|
TCG_REG_X10, TCG_REG_X11, TCG_REG_X12, TCG_REG_X13, TCG_REG_X14,
|
|
TCG_REG_X15, TCG_REG_X16, TCG_REG_X17, TCG_REG_X18, TCG_REG_X19,
|
|
TCG_REG_X20, TCG_REG_X21, TCG_REG_X22, TCG_REG_X23, TCG_REG_X24,
|
|
TCG_REG_X25, TCG_REG_X26, TCG_REG_X27, TCG_REG_X28,
|
|
TCG_REG_FP, /* frame pointer */
|
|
TCG_REG_LR, /* link register */
|
|
TCG_REG_SP, /* stack pointer or zero register */
|
|
TCG_REG_XZR = TCG_REG_SP /* same register number */
|
|
/* program counter is not directly accessible! */
|
|
} TCGReg;
|
|
|
|
#define TCG_TARGET_NB_REGS 32
|
|
|
|
/* used for function call generation */
|
|
#define TCG_REG_CALL_STACK TCG_REG_SP
|
|
#define TCG_TARGET_STACK_ALIGN 16
|
|
#define TCG_TARGET_CALL_ALIGN_ARGS 1
|
|
#define TCG_TARGET_CALL_STACK_OFFSET 0
|
|
|
|
/* optional instructions */
|
|
#define TCG_TARGET_HAS_div_i32 0
|
|
#define TCG_TARGET_HAS_rem_i32 0
|
|
#define TCG_TARGET_HAS_ext8s_i32 1
|
|
#define TCG_TARGET_HAS_ext16s_i32 1
|
|
#define TCG_TARGET_HAS_ext8u_i32 1
|
|
#define TCG_TARGET_HAS_ext16u_i32 1
|
|
#define TCG_TARGET_HAS_bswap16_i32 1
|
|
#define TCG_TARGET_HAS_bswap32_i32 1
|
|
#define TCG_TARGET_HAS_not_i32 0
|
|
#define TCG_TARGET_HAS_neg_i32 0
|
|
#define TCG_TARGET_HAS_rot_i32 1
|
|
#define TCG_TARGET_HAS_andc_i32 0
|
|
#define TCG_TARGET_HAS_orc_i32 0
|
|
#define TCG_TARGET_HAS_eqv_i32 0
|
|
#define TCG_TARGET_HAS_nand_i32 0
|
|
#define TCG_TARGET_HAS_nor_i32 0
|
|
#define TCG_TARGET_HAS_deposit_i32 0
|
|
#define TCG_TARGET_HAS_movcond_i32 0
|
|
#define TCG_TARGET_HAS_add2_i32 0
|
|
#define TCG_TARGET_HAS_sub2_i32 0
|
|
#define TCG_TARGET_HAS_mulu2_i32 0
|
|
#define TCG_TARGET_HAS_muls2_i32 0
|
|
|
|
#define TCG_TARGET_HAS_div_i64 0
|
|
#define TCG_TARGET_HAS_rem_i64 0
|
|
#define TCG_TARGET_HAS_ext8s_i64 1
|
|
#define TCG_TARGET_HAS_ext16s_i64 1
|
|
#define TCG_TARGET_HAS_ext32s_i64 1
|
|
#define TCG_TARGET_HAS_ext8u_i64 1
|
|
#define TCG_TARGET_HAS_ext16u_i64 1
|
|
#define TCG_TARGET_HAS_ext32u_i64 1
|
|
#define TCG_TARGET_HAS_bswap16_i64 1
|
|
#define TCG_TARGET_HAS_bswap32_i64 1
|
|
#define TCG_TARGET_HAS_bswap64_i64 1
|
|
#define TCG_TARGET_HAS_not_i64 0
|
|
#define TCG_TARGET_HAS_neg_i64 0
|
|
#define TCG_TARGET_HAS_rot_i64 1
|
|
#define TCG_TARGET_HAS_andc_i64 0
|
|
#define TCG_TARGET_HAS_orc_i64 0
|
|
#define TCG_TARGET_HAS_eqv_i64 0
|
|
#define TCG_TARGET_HAS_nand_i64 0
|
|
#define TCG_TARGET_HAS_nor_i64 0
|
|
#define TCG_TARGET_HAS_deposit_i64 0
|
|
#define TCG_TARGET_HAS_movcond_i64 0
|
|
#define TCG_TARGET_HAS_add2_i64 0
|
|
#define TCG_TARGET_HAS_sub2_i64 0
|
|
#define TCG_TARGET_HAS_mulu2_i64 0
|
|
#define TCG_TARGET_HAS_muls2_i64 0
|
|
|
|
enum {
|
|
TCG_AREG0 = TCG_REG_X19,
|
|
};
|
|
|
|
static inline void flush_icache_range(tcg_target_ulong start,
|
|
tcg_target_ulong stop)
|
|
{
|
|
__builtin___clear_cache((char *)start, (char *)stop);
|
|
}
|
|
|
|
#endif /* TCG_TARGET_AARCH64 */
|