/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_CPUIDLE_H #define __ASM_CPUIDLE_H #include <asm/proc-fns.h> #ifdef CONFIG_ARM64_PSEUDO_NMI #include <asm/arch_gicv3.h> struct arm_cpuidle_irq_context { unsigned long pmr; unsigned long daif_bits; }; #define arm_cpuidle_save_irq_context(__c) \ do { \ struct arm_cpuidle_irq_context *c = __c; \ if (system_uses_irq_prio_masking()) { \ c->daif_bits = read_sysreg(daif); \ write_sysreg(c->daif_bits | PSR_I_BIT | PSR_F_BIT, \ daif); \ c->pmr = gic_read_pmr(); \ gic_write_pmr(GIC_PRIO_IRQON | GIC_PRIO_PSR_I_SET); \ } \ } while (0) #define arm_cpuidle_restore_irq_context(__c) \ do { \ struct arm_cpuidle_irq_context *c = __c; \ if (system_uses_irq_prio_masking()) { \ gic_write_pmr(c->pmr); \ write_sysreg(c->daif_bits, daif); \ } \ } while (0) #else struct arm_cpuidle_irq_context { }; #define arm_cpuidle_save_irq_context(c) (void)c #define arm_cpuidle_restore_irq_context(c) (void)c #endif #endif