[src/trunk]: src/sys/arch/evbarm/rockchip do armv7_dcache_inv_all before cort...

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

details:   https://anonhg.NetBSD.org/src/rev/a42e824d96a1
branches:  trunk
changeset: 335237:a42e824d96a1
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Tue Dec 30 21:24:36 2014 +0000

description:
do armv7_dcache_inv_all before cortex_mpstart on secondaries

diffstat:

 sys/arch/evbarm/rockchip/rockchip_start.S |  23 +++++++++++++++++------
 1 files changed, 17 insertions(+), 6 deletions(-)

diffs (54 lines):

diff -r a8563e359749 -r a42e824d96a1 sys/arch/evbarm/rockchip/rockchip_start.S
--- a/sys/arch/evbarm/rockchip/rockchip_start.S Tue Dec 30 20:57:37 2014 +0000
+++ b/sys/arch/evbarm/rockchip/rockchip_start.S Tue Dec 30 21:24:36 2014 +0000
@@ -43,7 +43,7 @@
 
 #include <arm/cortex/scu_reg.h>
 
-RCSID("$NetBSD: rockchip_start.S,v 1.3 2014/12/28 21:34:33 jmcneill Exp $")
+RCSID("$NetBSD: rockchip_start.S,v 1.4 2014/12/30 21:24:36 jmcneill Exp $")
 
 #if defined(VERBOSE_INIT_ARM)
 #define        XPUTC(n)        mov r0, n; bl xputc
@@ -180,8 +180,8 @@
 #endif
 rockchip_mptramp:
        ldr     pc, 1f
-.global cortex_mpstart_vec
-cortex_mpstart_vec:
+.global rockchip_mpstart_vec
+rockchip_mpstart_vec:
 1:     .space  4
 
 rockchip_mpinit:
@@ -196,9 +196,9 @@
 
        /* Set where the other CPU(s) are going to execute */
        XPUTC2(#118)
-       movw    r1, #:lower16:cortex_mpstart
-       movt    r1, #:upper16:cortex_mpstart
-       ldr     r0, =cortex_mpstart_vec
+       movw    r1, #:lower16:rockchip_mpstart
+       movt    r1, #:upper16:rockchip_mpstart
+       ldr     r0, =rockchip_mpstart_vec
        str     r1, [r0]
        ldr     r0, =rockchip_mptramp
        mov     r2, #0
@@ -278,6 +278,17 @@
 #ifndef KERNEL_BASES_EQUAL
        .popsection
 #endif
+
+rockchip_mpstart:
+       /* invalidate cache */
+       movw    ip, #:lower16:_C_LABEL(armv7_dcache_inv_all)
+       movt    ip, #:upper16:_C_LABEL(armv7_dcache_inv_all)
+#ifndef KERNEL_BASES_EQUAL
+       sub     ip, ip, #KERNEL_BASE_VOFFSET
+#endif
+       blx     ip
+       b       _C_LABEL(cortex_mpstart)
+
 #endif /* MULTIPROCESSOR */
 
 .Lmmu_init_table: