mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 10:06:00 +07:00
ca208b5f19
MIPS is no longer part of Imagination Technologies and my @imgtec.com address will soon stop working. Update any files containing my address as well as the .mailmap to point to my new @mips.com address. Signed-off-by: Marcin Nowakowski <marcin.nowakowski@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/17579/ Signed-off-by: James Hogan <jhogan@kernel.org>
84 lines
1.7 KiB
C
84 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2016 Imagination Technologies
|
|
* Author: Marcin Nowakowski <marcin.nowakowski@mips.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
* option) any later version.
|
|
*/
|
|
|
|
#ifndef __PROBES_COMMON_H
|
|
#define __PROBES_COMMON_H
|
|
|
|
#include <asm/inst.h>
|
|
|
|
int __insn_is_compact_branch(union mips_instruction insn);
|
|
|
|
static inline int __insn_has_delay_slot(const union mips_instruction insn)
|
|
{
|
|
switch (insn.i_format.opcode) {
|
|
/*
|
|
* jr and jalr are in r_format format.
|
|
*/
|
|
case spec_op:
|
|
switch (insn.r_format.func) {
|
|
case jalr_op:
|
|
case jr_op:
|
|
return 1;
|
|
}
|
|
break;
|
|
|
|
/*
|
|
* This group contains:
|
|
* bltz_op, bgez_op, bltzl_op, bgezl_op,
|
|
* bltzal_op, bgezal_op, bltzall_op, bgezall_op.
|
|
*/
|
|
case bcond_op:
|
|
switch (insn.i_format.rt) {
|
|
case bltz_op:
|
|
case bltzl_op:
|
|
case bgez_op:
|
|
case bgezl_op:
|
|
case bltzal_op:
|
|
case bltzall_op:
|
|
case bgezal_op:
|
|
case bgezall_op:
|
|
case bposge32_op:
|
|
return 1;
|
|
}
|
|
break;
|
|
|
|
/*
|
|
* These are unconditional and in j_format.
|
|
*/
|
|
case jal_op:
|
|
case j_op:
|
|
case beq_op:
|
|
case beql_op:
|
|
case bne_op:
|
|
case bnel_op:
|
|
case blez_op: /* not really i_format */
|
|
case blezl_op:
|
|
case bgtz_op:
|
|
case bgtzl_op:
|
|
return 1;
|
|
|
|
/*
|
|
* And now the FPA/cp1 branch instructions.
|
|
*/
|
|
case cop1_op:
|
|
#ifdef CONFIG_CPU_CAVIUM_OCTEON
|
|
case lwc2_op: /* This is bbit0 on Octeon */
|
|
case ldc2_op: /* This is bbit032 on Octeon */
|
|
case swc2_op: /* This is bbit1 on Octeon */
|
|
case sdc2_op: /* This is bbit132 on Octeon */
|
|
#endif
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif /* __PROBES_COMMON_H */
|