mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-17 09:14:19 +08:00
c381a04313
This is used in a couple places in KVM, but isn't KVM-specific. However, this patch doesn't modify other in-kernel emulation code: - xmon uses a direct copy of ppc_opc.c from binutils - emulate_instruction() doesn't need it because it can use a series of mask tests. Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Acked-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Avi Kivity <avi@redhat.com>
81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
/*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License, version 2, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* Copyright IBM Corp. 2008
|
|
*
|
|
* Authors: Hollis Blanchard <hollisb@us.ibm.com>
|
|
*/
|
|
|
|
#ifndef __ASM_PPC_DISASSEMBLE_H__
|
|
#define __ASM_PPC_DISASSEMBLE_H__
|
|
|
|
#include <linux/types.h>
|
|
|
|
static inline unsigned int get_op(u32 inst)
|
|
{
|
|
return inst >> 26;
|
|
}
|
|
|
|
static inline unsigned int get_xop(u32 inst)
|
|
{
|
|
return (inst >> 1) & 0x3ff;
|
|
}
|
|
|
|
static inline unsigned int get_sprn(u32 inst)
|
|
{
|
|
return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
|
|
}
|
|
|
|
static inline unsigned int get_dcrn(u32 inst)
|
|
{
|
|
return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
|
|
}
|
|
|
|
static inline unsigned int get_rt(u32 inst)
|
|
{
|
|
return (inst >> 21) & 0x1f;
|
|
}
|
|
|
|
static inline unsigned int get_rs(u32 inst)
|
|
{
|
|
return (inst >> 21) & 0x1f;
|
|
}
|
|
|
|
static inline unsigned int get_ra(u32 inst)
|
|
{
|
|
return (inst >> 16) & 0x1f;
|
|
}
|
|
|
|
static inline unsigned int get_rb(u32 inst)
|
|
{
|
|
return (inst >> 11) & 0x1f;
|
|
}
|
|
|
|
static inline unsigned int get_rc(u32 inst)
|
|
{
|
|
return inst & 0x1;
|
|
}
|
|
|
|
static inline unsigned int get_ws(u32 inst)
|
|
{
|
|
return (inst >> 11) & 0x1f;
|
|
}
|
|
|
|
static inline unsigned int get_d(u32 inst)
|
|
{
|
|
return inst & 0xffff;
|
|
}
|
|
|
|
#endif /* __ASM_PPC_DISASSEMBLE_H__ */
|