[src/trunk]: src/sys/arch/hpcarm/hpcarm G/C unused CPWAIT().

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

details:   https://anonhg.NetBSD.org/src/rev/1a902cd58377
branches:  trunk
changeset: 989084:1a902cd58377
user:      rin <rin%NetBSD.org@localhost>
date:      Mon Oct 11 14:29:15 2021 +0000

description:
G/C unused CPWAIT().

diffstat:

 sys/arch/hpcarm/hpcarm/kloader_pxa2x0.S |  16 +---------------
 1 files changed, 1 insertions(+), 15 deletions(-)

diffs (30 lines):

diff -r addda51c856e -r 1a902cd58377 sys/arch/hpcarm/hpcarm/kloader_pxa2x0.S
--- a/sys/arch/hpcarm/hpcarm/kloader_pxa2x0.S   Mon Oct 11 14:25:05 2021 +0000
+++ b/sys/arch/hpcarm/hpcarm/kloader_pxa2x0.S   Mon Oct 11 14:29:15 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kloader_pxa2x0.S,v 1.1 2012/03/31 14:02:54 nonaka Exp $        */
+/*     $NetBSD: kloader_pxa2x0.S,v 1.2 2021/10/11 14:29:15 rin Exp $   */
 
 /*-
  * Copyright (C) 2012 NONAKA Kimihiro <nonaka%netbsd.org@localhost>
@@ -29,20 +29,6 @@
 
 #include <arm/armreg.h>
 
-/*
- * CPWAIT -- Canonical method to wait for CP15 update.
- * NOTE: Clobbers the specified temp reg.
- * copied from arm/arm/cpufunc_asm_xscale.S
- * XXX: better be in a common header file.
- */
-#define        CPWAIT_BRANCH                                                    \
-       sub     pc, pc, #4
-
-#define        CPWAIT(tmp)                                                      \
-       mrc     p15, 0, tmp, c2, c0, 0  /* arbitrary read of CP15 */    ;\
-       mov     tmp, tmp                /* wait for it to complete */   ;\
-       CPWAIT_BRANCH                   /* branch to next insn */
-
 #define        VATOPA(reg)                                                     \
        bic     reg, reg, #0xff000000   /* clear upper 8 bits */        ;\
        orr     reg, reg, #0xa0000000   /* OR in physical base address */