| Server IP : 209.38.156.173 / Your IP : 216.73.216.122 [ Web Server : Apache/2.4.52 (Ubuntu) System : Linux lakekumayuhotel 5.15.0-136-generic #147-Ubuntu SMP Sat Mar 15 15:53:30 UTC 2025 x86_64 User : root ( 0) PHP Version : 8.1.2-1ubuntu2.22 Disable Function : NONE Domains : 2 Domains MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/src/linux-headers-5.15.0-152-generic/arch/powerpc/include/asm/ |
Upload File : |
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu>
*/
#ifndef _ASM_POWERPC_RUNLATCH_H
#define _ASM_POWERPC_RUNLATCH_H
#ifdef CONFIG_PPC64
extern void __ppc64_runlatch_on(void);
extern void __ppc64_runlatch_off(void);
/*
* We manually hard enable-disable, this is called
* in the idle loop and we don't want to mess up
* with soft-disable/enable & interrupt replay.
*/
#define ppc64_runlatch_off() \
do { \
if (cpu_has_feature(CPU_FTR_CTRL) && \
test_thread_local_flags(_TLF_RUNLATCH)) { \
unsigned long msr = mfmsr(); \
__hard_irq_disable(); \
__ppc64_runlatch_off(); \
if (msr & MSR_EE) \
__hard_irq_enable(); \
} \
} while (0)
#define ppc64_runlatch_on() \
do { \
if (cpu_has_feature(CPU_FTR_CTRL) && \
!test_thread_local_flags(_TLF_RUNLATCH)) { \
unsigned long msr = mfmsr(); \
__hard_irq_disable(); \
__ppc64_runlatch_on(); \
if (msr & MSR_EE) \
__hard_irq_enable(); \
} \
} while (0)
#else
#define ppc64_runlatch_on()
#define ppc64_runlatch_off()
#endif /* CONFIG_PPC64 */
#endif /* _ASM_POWERPC_RUNLATCH_H */