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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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67
arch/powerpc/include/asm/probes.h Normal file
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#ifndef _ASM_POWERPC_PROBES_H
#define _ASM_POWERPC_PROBES_H
#ifdef __KERNEL__
/*
* Definitions common to probes files
*
* 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.
*
* 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, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright IBM Corporation, 2012
*/
#include <linux/types.h>
typedef u32 ppc_opcode_t;
#define BREAKPOINT_INSTRUCTION 0x7fe00008 /* trap */
/* Trap definitions per ISA */
#define IS_TW(instr) (((instr) & 0xfc0007fe) == 0x7c000008)
#define IS_TD(instr) (((instr) & 0xfc0007fe) == 0x7c000088)
#define IS_TDI(instr) (((instr) & 0xfc000000) == 0x08000000)
#define IS_TWI(instr) (((instr) & 0xfc000000) == 0x0c000000)
#ifdef CONFIG_PPC64
#define is_trap(instr) (IS_TW(instr) || IS_TD(instr) || \
IS_TWI(instr) || IS_TDI(instr))
#else
#define is_trap(instr) (IS_TW(instr) || IS_TWI(instr))
#endif /* CONFIG_PPC64 */
#ifdef CONFIG_PPC_ADV_DEBUG_REGS
#define MSR_SINGLESTEP (MSR_DE)
#else
#define MSR_SINGLESTEP (MSR_SE)
#endif
/* Enable single stepping for the current task */
static inline void enable_single_step(struct pt_regs *regs)
{
regs->msr |= MSR_SINGLESTEP;
#ifdef CONFIG_PPC_ADV_DEBUG_REGS
/*
* We turn off Critical Input Exception(CE) to ensure that the single
* step will be for the instruction we have the probe on; if we don't,
* it is possible we'd get the single step reported for CE.
*/
regs->msr &= ~MSR_CE;
mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) | DBCR0_IC | DBCR0_IDM);
#ifdef CONFIG_PPC_47x
isync();
#endif
#endif
}
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_PROBES_H */