Release 4.14 arch/powerpc/include/asm/disassemble.h

/*
 * 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;
}

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static inline unsigned int get_xop(u32 inst)
{
	return (inst >> 1) & 0x3ff;
}

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static inline unsigned int get_sprn(u32 inst)
{
	return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
}

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static inline unsigned int get_dcrn(u32 inst)
{
	return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
}

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static inline unsigned int get_tmrn(u32 inst)
{
	return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
}

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static inline unsigned int get_rt(u32 inst)
{
	return (inst >> 21) & 0x1f;
}

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static inline unsigned int get_rs(u32 inst)
{
	return (inst >> 21) & 0x1f;
}

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static inline unsigned int get_ra(u32 inst)
{
	return (inst >> 16) & 0x1f;
}

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static inline unsigned int get_rb(u32 inst)
{
	return (inst >> 11) & 0x1f;
}

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static inline unsigned int get_rc(u32 inst)
{
	return inst & 0x1;
}

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static inline unsigned int get_ws(u32 inst)
{
	return (inst >> 11) & 0x1f;
}

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static inline unsigned int get_d(u32 inst)
{
	return inst & 0xffff;
}

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static inline unsigned int get_oc(u32 inst)
{
	return (inst >> 11) & 0x7fff;
}

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static inline unsigned int get_tx_or_sx(u32 inst)
{
	return (inst) & 0x1;
}

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#define IS_XFORM(inst)	(get_op(inst)  == 31)

#define IS_DSFORM(inst)	(get_op(inst) >= 56)

/*
 * Create a DSISR value from the instruction
 */


static inline unsigned make_dsisr(unsigned instr)
{
	unsigned dsisr;


	/* bits  6:15 --> 22:31 */
	dsisr = (instr & 0x03ff0000) >> 16;

	if (IS_XFORM(instr)) {
		/* bits 29:30 --> 15:16 */
		dsisr |= (instr & 0x00000006) << 14;
		/* bit     25 -->    17 */
		dsisr |= (instr & 0x00000040) << 8;
		/* bits 21:24 --> 18:21 */
		dsisr |= (instr & 0x00000780) << 3;
	} else {
		/* bit      5 -->    17 */
		dsisr |= (instr & 0x04000000) >> 12;
		/* bits  1: 4 --> 18:21 */
		dsisr |= (instr & 0x78000000) >> 17;
		/* bits 30:31 --> 12:13 */
		if (IS_DSFORM(instr))
			dsisr |= (instr & 0x00000003) << 18;
	}

	return dsisr;
}
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#endif /* __ASM_PPC_DISASSEMBLE_H__ */
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Directory: arch/powerpc/include/asm

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