[src/trunk]: src/sys/arch New function cpu_startup_hook on arm.

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/36a0520222d6
branches:  trunk
changeset: 847336:36a0520222d6
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Dec 18 21:45:43 2019 +0000

description:
New function cpu_startup_hook on arm.

Called at end of cpu_startup.  Can be defined in, e.g., evbarm to do
additional stuff after cpu_startup.  Defined as a weak alias to a
function that does nothing, so optional.

ok jmcneill

diffstat:

 sys/arch/aarch64/aarch64/aarch64_machdep.c |  12 ++++++++++--
 sys/arch/aarch64/include/machdep.h         |   5 ++++-
 sys/arch/arm/arm32/arm32_machdep.c         |  12 ++++++++++--
 sys/arch/arm/include/arm32/machdep.h       |   5 ++++-
 4 files changed, 28 insertions(+), 6 deletions(-)

diffs (104 lines):

diff -r 223fafc12fd7 -r 36a0520222d6 sys/arch/aarch64/aarch64/aarch64_machdep.c
--- a/sys/arch/aarch64/aarch64/aarch64_machdep.c        Wed Dec 18 20:38:14 2019 +0000
+++ b/sys/arch/aarch64/aarch64/aarch64_machdep.c        Wed Dec 18 21:45:43 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: aarch64_machdep.c,v 1.34 2019/11/14 17:09:22 maxv Exp $ */
+/* $NetBSD: aarch64_machdep.c,v 1.35 2019/12/18 21:45:43 riastradh Exp $ */
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: aarch64_machdep.c,v 1.34 2019/11/14 17:09:22 maxv Exp $");
+__KERNEL_RCSID(1, "$NetBSD: aarch64_machdep.c,v 1.35 2019/12/18 21:45:43 riastradh Exp $");
 
 #include "opt_arm_debug.h"
 #include "opt_ddb.h"
@@ -595,6 +595,14 @@
 
        /* Hello! */
        banner();
+
+       cpu_startup_hook();
+}
+
+__weak_alias(cpu_startup_hook,cpu_startup_default)
+void
+cpu_startup_default(void)
+{
 }
 
 /*
diff -r 223fafc12fd7 -r 36a0520222d6 sys/arch/aarch64/include/machdep.h
--- a/sys/arch/aarch64/include/machdep.h        Wed Dec 18 20:38:14 2019 +0000
+++ b/sys/arch/aarch64/include/machdep.h        Wed Dec 18 21:45:43 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: machdep.h,v 1.8 2019/07/16 16:18:56 skrll Exp $        */
+/*     $NetBSD: machdep.h,v 1.9 2019/12/18 21:45:43 riastradh Exp $    */
 
 /*
  * Copyright (c) 2017 Ryo Shimizu <ryo%nerv.org@localhost>
@@ -83,6 +83,9 @@
 void parse_mi_bootargs(char *);
 void dumpsys(void);
 
+void cpu_startup_hook(void);
+void cpu_startup_default(void);
+
 struct trapframe;
 
 /* fault.c */
diff -r 223fafc12fd7 -r 36a0520222d6 sys/arch/arm/arm32/arm32_machdep.c
--- a/sys/arch/arm/arm32/arm32_machdep.c        Wed Dec 18 20:38:14 2019 +0000
+++ b/sys/arch/arm/arm32/arm32_machdep.c        Wed Dec 18 21:45:43 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: arm32_machdep.c,v 1.128 2019/05/10 16:43:09 skrll Exp $        */
+/*     $NetBSD: arm32_machdep.c,v 1.129 2019/12/18 21:45:44 riastradh Exp $    */
 
 /*
  * Copyright (c) 1994-1998 Mark Brinicombe.
@@ -42,7 +42,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: arm32_machdep.c,v 1.128 2019/05/10 16:43:09 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: arm32_machdep.c,v 1.129 2019/12/18 21:45:44 riastradh Exp $");
 
 #include "opt_arm_debug.h"
 #include "opt_arm_start.h"
@@ -353,6 +353,14 @@
 #else
        tf->tf_spsr = PSR_USR32_MODE;
 #endif
+
+       cpu_startup_hook();
+}
+
+__weak_alias(cpu_startup_hook,cpu_startup_default)
+void
+cpu_startup_default(void)
+{
 }
 
 /*
diff -r 223fafc12fd7 -r 36a0520222d6 sys/arch/arm/include/arm32/machdep.h
--- a/sys/arch/arm/include/arm32/machdep.h      Wed Dec 18 20:38:14 2019 +0000
+++ b/sys/arch/arm/include/arm32/machdep.h      Wed Dec 18 21:45:43 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: machdep.h,v 1.29 2019/07/16 14:41:43 skrll Exp $ */
+/* $NetBSD: machdep.h,v 1.30 2019/12/18 21:45:44 riastradh Exp $ */
 
 #ifndef _ARM32_MACHDEP_H_
 #define _ARM32_MACHDEP_H_
@@ -73,6 +73,9 @@
 struct pmap_devmap;
 struct boot_physmem;
 
+void cpu_startup_hook(void);
+void cpu_startup_default(void);
+
 static inline paddr_t
 aarch32_kern_vtophys(vaddr_t va)
 {