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Unfortunately we need to disable interrupts in pic_set_priority to keep

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hardware and ci_cpl in sync.
This commit is contained in:
jmcneill 2021-02-26 10:06:42 +00:00
parent a04f5191f3
commit 15d6436f25
1 changed files with 7 additions and 1 deletions
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8
sys/arch/arm/pic/picvar.h
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@ -1,4 +1,4 @@
/* $NetBSD: picvar.h,v 1.31 2021/02/21 17:07:45 jmcneill Exp $ */
/* $NetBSD: picvar.h,v 1.32 2021/02/26 10:06:42 jmcneill Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
* All rights reserved.
@ -107,6 +107,8 @@ void intr_ipi_send(const kcpuset_t *, u_long ipi);
#include <sys/evcnt.h>
#include <sys/percpu.h>
#include <machine/cpufunc.h>
#ifndef PIC_MAXPICS
#define PIC_MAXPICS 32
#endif
@ -184,10 +186,14 @@ struct pic_ops {
*/
#define pic_set_priority(ci, newipl) \
do { \
register_t __psw = cpsid(I32_bit); \
(ci)->ci_cpl = (newipl); \
if (__predict_true(pic_list[0] != NULL)) { \
(pic_list[0]->pic_ops->pic_set_priority)(pic_list[0], newipl); \
} \
if ((__psw & I32_bit) == 0) { \
cpsie(I32_bit); \
} \
} while (0)
#else
#define pic_set_priority(ci, newipl) ((void)((ci)->ci_cpl = (newipl)))