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bsd-user: Add generic RISC-V64 target definitions 

Added a generic definition for RISC-V64 target-specific details.
Implemented the 'regpairs_aligned' function,which returns 'false'
to indicate that register pairs are not aligned in the RISC-V64 ABI.

Signed-off-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Ajeet Singh <itachis@FreeBSD.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240916155119.14610-13-itachis@FreeBSD.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Warner Losh 2024-09-17 01:51:14 +10:00 committed by Alistair Francis
parent 9cc1a9cd4f
commit 25b08c4da8
1 changed files with 20 additions and 0 deletions
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20
bsd-user/riscv/target.h Normal file
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/*
* Riscv64 general target stuff that's common to all aarch details
*
* Copyright (c) 2022 M. Warner Losh <imp@bsdimp.com>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef TARGET_H
#define TARGET_H
/*
* riscv64 ABI does not 'lump' the registers for 64-bit args.
*/
static inline bool regpairs_aligned(void *cpu_env)
{
return false;
}
#endif /* TARGET_H */