9cc1a9cd4f
Introduced definitions for the RISC-V system call interface, including the 'target_pt_regs' structure that outlines the register storage layout during a system call. Added constants for hardware machine identifiers. Signed-off-by: Mark Corbin <mark@dibsco.co.uk> Signed-off-by: Ajeet Singh <itachis@FreeBSD.org> Co-authored-by: Jessica Clarke <jrtc27@jrtc27.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-ID: <20240916155119.14610-12-itachis@FreeBSD.org> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/*
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* RISC-V system call definitions
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*
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* Copyright (c) Mark Corbin
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef BSD_USER_RISCV_TARGET_SYSCALL_H
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#define BSD_USER_RISCV_TARGET_SYSCALL_H
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/*
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* struct target_pt_regs defines the way the registers are stored on the stack
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* during a system call.
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*/
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struct target_pt_regs {
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abi_ulong regs[32];
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abi_ulong sepc;
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};
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#define UNAME_MACHINE "riscv64"
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#define TARGET_HW_MACHINE "riscv"
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#define TARGET_HW_MACHINE_ARCH UNAME_MACHINE
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#endif /* BSD_USER_RISCV_TARGET_SYSCALL_H */
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