[src/trunk]: src/sys/arch/aarch64/aarch64 Allow RPI firmware boots to work again

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

details:   https://anonhg.NetBSD.org/src/rev/5803ec5c0f26
branches:  trunk
changeset: 847198:5803ec5c0f26
user:      skrll <skrll%NetBSD.org@localhost>
date:      Sat Dec 14 17:04:02 2019 +0000

description:
Allow RPI firmware boots to work again

diffstat:

 sys/arch/aarch64/aarch64/start.S |  10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diffs (34 lines):

diff -r 273e94b19210 -r 5803ec5c0f26 sys/arch/aarch64/aarch64/start.S
--- a/sys/arch/aarch64/aarch64/start.S  Sat Dec 14 16:58:38 2019 +0000
+++ b/sys/arch/aarch64/aarch64/start.S  Sat Dec 14 17:04:02 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: start.S,v 1.3 2019/12/04 11:24:31 jmcneill Exp $       */
+/*     $NetBSD: start.S,v 1.4 2019/12/14 17:04:02 skrll Exp $  */
 
 /*
  * Copyright (c) 2017 Ryo Shimizu <ryo%nerv.org@localhost>
@@ -32,7 +32,7 @@
 
 #include <aarch64/asm.h>
 
-RCSID("$NetBSD: start.S,v 1.3 2019/12/04 11:24:31 jmcneill Exp $")
+RCSID("$NetBSD: start.S,v 1.4 2019/12/14 17:04:02 skrll Exp $")
 
 /* load far effective address (pc relative) */
 .macro ADDR, reg, addr
@@ -40,10 +40,14 @@
        add     \reg, \reg, #:lo12:\addr
 .endm
 
+rpi_start:
+       b       start
+
 /*
  * Padding at start of kernel image to make room for 64-byte header (non-ELF booting)
  */
-.space 64, 0x0
+
+       .align  6
 
 /*
  * Kernel start routine for aarch64 boards.