1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 #ifndef __ASM_CPUIDLE_H
3 #define __ASM_CPUIDLE_H
4
5 #include <asm/proc-fns.h>
6
7 #ifdef CONFIG_ARM64_PSEUDO_NMI
8 #include <asm/arch_gicv3.h>
9
10 struct arm_cpuidle_irq_context {
11 unsigned long pmr;
12 unsigned long daif_bits;
13 };
14
15 #define arm_cpuidle_save_irq_context(__c)
16 do {
17 struct arm_cpuidle_irq_context
18 if (system_uses_irq_prio_maski
19 c->daif_bits = read_sy
20 write_sysreg(c->daif_b
21 daif);
22 c->pmr = gic_read_pmr(
23 gic_write_pmr(GIC_PRIO
24 }
25 } while (0)
26
27 #define arm_cpuidle_restore_irq_context(__c)
28 do {
29 struct arm_cpuidle_irq_context
30 if (system_uses_irq_prio_maski
31 gic_write_pmr(c->pmr);
32 write_sysreg(c->daif_b
33 }
34 } while (0)
35 #else
36 struct arm_cpuidle_irq_context { };
37
38 #define arm_cpuidle_save_irq_context(c)
39 #define arm_cpuidle_restore_irq_context(c)
40 #endif
41 #endif
42
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