riscv.c

/*
 * RISC-V-specific syscall decoders.
 *
 * Copyright (c) 2018 The strace developers.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "defs.h"

#ifdef RISCV

# include "xlat/riscv_flush_icache_flags.h"

SYS_FUNC(riscv_flush_icache)
{
	/* uintptr_t start */
	printaddr(tcp->u_arg[0]);

	/* uintptr_t end */
	tprints(", ");
	printaddr(tcp->u_arg[1]);

	/* uintptr_t flags */
	tprints(", ");
	printflags64(riscv_flush_icache_flags, tcp->u_arg[2],
		     "SYS_RISCV_FLUSH_ICACHE_???");

	return RVAL_DECODED;
}

SYS_FUNC(riscv_hwprobe)
{
	/* uintptr_t probes */
	printaddr(tcp->u_arg[0]);

	/* size_t probe_count, size_t cpu_count */
	tprintf(", %lu, %lu, ", tcp->u_arg[1], tcp->u_arg[2]);

	/* uintptr_t pcus */
	printaddr(tcp->u_arg[3]);

	/* unsigned flags */
	tprintf(", %#lx", tcp->u_arg[4]);

	return RVAL_DECODED;
}

#endif /* RISCV */