Module Name: src Committed By: ryo Date: Mon Sep 14 10:06:35 UTC 2020
Modified Files: src/sys/arch/aarch64/aarch64: pmap.c src/sys/arch/aarch64/include: cpu.h types.h Log Message: PID_MAX is just an initial value (soft maximum). Don't use it for CTASSERT. defined __HAVE_CPU_MAXPROC to use function cpu_maxproc(). pointed out by mrg@, thanks. To generate a diff of this commit: cvs rdiff -u -r1.88 -r1.89 src/sys/arch/aarch64/aarch64/pmap.c cvs rdiff -u -r1.26 -r1.27 src/sys/arch/aarch64/include/cpu.h cvs rdiff -u -r1.15 -r1.16 src/sys/arch/aarch64/include/types.h Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/arch/aarch64/aarch64/pmap.c diff -u src/sys/arch/aarch64/aarch64/pmap.c:1.88 src/sys/arch/aarch64/aarch64/pmap.c:1.89 --- src/sys/arch/aarch64/aarch64/pmap.c:1.88 Sun Sep 6 17:38:10 2020 +++ src/sys/arch/aarch64/aarch64/pmap.c Mon Sep 14 10:06:35 2020 @@ -1,4 +1,4 @@ -/* $NetBSD: pmap.c,v 1.88 2020/09/06 17:38:10 ryo Exp $ */ +/* $NetBSD: pmap.c,v 1.89 2020/09/14 10:06:35 ryo Exp $ */ /* * Copyright (c) 2017 Ryo Shimizu <r...@nerv.org> @@ -27,7 +27,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.88 2020/09/06 17:38:10 ryo Exp $"); +__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.89 2020/09/14 10:06:35 ryo Exp $"); #include "opt_arm_debug.h" #include "opt_ddb.h" @@ -1413,6 +1413,13 @@ pmap_protect(struct pmap *pm, vaddr_t sv pm_unlock(pm); } +/* XXX: due to the current implementation of pmap depends on 16bit ASID */ +int +cpu_maxproc(void) +{ + return 65535; +} + void pmap_activate(struct lwp *l) { @@ -1436,8 +1443,7 @@ pmap_activate(struct lwp *l) reg_tcr_el1_write(tcr | TCR_EPD0); __asm __volatile("isb" ::: "memory"); - /* XXX */ - CTASSERT(PID_MAX <= 65535); /* 16bit ASID */ + /* XXX: allocate asid, and regenerate if needed */ if (pm->pm_asid == -1) pm->pm_asid = l->l_proc->p_pid; Index: src/sys/arch/aarch64/include/cpu.h diff -u src/sys/arch/aarch64/include/cpu.h:1.26 src/sys/arch/aarch64/include/cpu.h:1.27 --- src/sys/arch/aarch64/include/cpu.h:1.26 Wed Aug 12 13:19:35 2020 +++ src/sys/arch/aarch64/include/cpu.h Mon Sep 14 10:06:35 2020 @@ -1,4 +1,4 @@ -/* $NetBSD: cpu.h,v 1.26 2020/08/12 13:19:35 skrll Exp $ */ +/* $NetBSD: cpu.h,v 1.27 2020/09/14 10:06:35 ryo Exp $ */ /*- * Copyright (c) 2014, 2020 The NetBSD Foundation, Inc. @@ -147,6 +147,7 @@ static __inline struct cpu_info *lwp_get #undef curlwp #define curlwp (aarch64_curlwp()) +int cpu_maxproc(void); void cpu_signotify(struct lwp *l); void cpu_need_proftick(struct lwp *l); Index: src/sys/arch/aarch64/include/types.h diff -u src/sys/arch/aarch64/include/types.h:1.15 src/sys/arch/aarch64/include/types.h:1.16 --- src/sys/arch/aarch64/include/types.h:1.15 Mon Aug 3 06:30:00 2020 +++ src/sys/arch/aarch64/include/types.h Mon Sep 14 10:06:35 2020 @@ -1,4 +1,4 @@ -/* $NetBSD: types.h,v 1.15 2020/08/03 06:30:00 ryo Exp $ */ +/* $NetBSD: types.h,v 1.16 2020/09/14 10:06:35 ryo Exp $ */ /*- * Copyright (c) 2014 The NetBSD Foundation, Inc. @@ -96,6 +96,7 @@ typedef __uint64_t __register_t; #define __HAVE_COMMON___TLS_GET_ADDR #define __HAVE_CPU_COUNTER #define __HAVE_CPU_DATA_FIRST +#define __HAVE_CPU_MAXPROC #define __HAVE_FAST_SOFTINTS #define __HAVE_MINIMAL_EMUL #define __HAVE_MM_MD_DIRECT_MAPPED_PHYS