[src/trunk]: src/sys/arch/arm Add support for the Cortex-A15 Neon/VFP unit

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

details:   https://anonhg.NetBSD.org/src/rev/45481b2eb641
branches:  trunk
changeset: 787473:45481b2eb641
user:      matt <matt%NetBSD.org@localhost>
date:      Thu Jun 20 05:24:46 2013 +0000

description:
Add support for the Cortex-A15 Neon/VFP unit

diffstat:

 sys/arch/arm/include/vfpreg.h |  3 ++-
 sys/arch/arm/vfp/vfp_init.c   |  7 ++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diffs (66 lines):

diff -r 952f170c736e -r 45481b2eb641 sys/arch/arm/include/vfpreg.h
--- a/sys/arch/arm/include/vfpreg.h     Wed Jun 19 21:12:03 2013 +0000
+++ b/sys/arch/arm/include/vfpreg.h     Thu Jun 20 05:24:46 2013 +0000
@@ -1,4 +1,4 @@
-/*      $NetBSD: vfpreg.h,v 1.8 2013/02/12 15:05:26 matt Exp $ */
+/*      $NetBSD: vfpreg.h,v 1.9 2013/06/20 05:24:46 matt Exp $ */
 
 /*
  * Copyright (c) 2008 ARM Ltd
@@ -63,6 +63,7 @@
 #define FPU_VFP_CORTEXA7       0x41023070
 #define FPU_VFP_CORTEXA8       0x410330c0
 #define FPU_VFP_CORTEXA9       0x41033090
+#define FPU_VFP_CORTEXA15      0x410330f0
 
 #define VFP_FPEXC_EX           0x80000000      /* EXception status bit */
 #define VFP_FPEXC_EN           0x40000000      /* VFP Enable bit */
diff -r 952f170c736e -r 45481b2eb641 sys/arch/arm/vfp/vfp_init.c
--- a/sys/arch/arm/vfp/vfp_init.c       Wed Jun 19 21:12:03 2013 +0000
+++ b/sys/arch/arm/vfp/vfp_init.c       Thu Jun 20 05:24:46 2013 +0000
@@ -1,4 +1,4 @@
-/*      $NetBSD: vfp_init.c,v 1.19 2013/02/05 23:23:34 matt Exp $ */
+/*      $NetBSD: vfp_init.c,v 1.20 2013/06/20 05:24:46 matt Exp $ */
 
 /*
  * Copyright (c) 2008 ARM Ltd
@@ -152,6 +152,7 @@
        case FPU_VFP_CORTEXA7:
        case FPU_VFP_CORTEXA8:
        case FPU_VFP_CORTEXA9:
+       case FPU_VFP_CORTEXA15:
 #endif
                load_vfpregs_hi(fregs->vfp_regs);
 #ifdef CPU_ARM11
@@ -172,6 +173,7 @@
        case FPU_VFP_CORTEXA7:
        case FPU_VFP_CORTEXA8:
        case FPU_VFP_CORTEXA9:
+       case FPU_VFP_CORTEXA15:
 #endif
                save_vfpregs_hi(fregs->vfp_regs);
 #ifdef CPU_ARM11
@@ -376,6 +378,7 @@
        case FPU_VFP_CORTEXA7:
        case FPU_VFP_CORTEXA8:
        case FPU_VFP_CORTEXA9:
+       case FPU_VFP_CORTEXA15:
                model = "NEON MPE (VFP 3.0+)";
                cpu_neon_present = 1;
                break;
@@ -539,6 +542,7 @@
                        case FPU_VFP_CORTEXA7:
                        case FPU_VFP_CORTEXA8:
                        case FPU_VFP_CORTEXA9:
+                       case FPU_VFP_CORTEXA15:
                                write_fpinst2(fregs->vfp_fpinst2);
                                write_fpinst(fregs->vfp_fpinst);
                                break;
@@ -588,6 +592,7 @@
                case FPU_VFP_CORTEXA7:
                case FPU_VFP_CORTEXA8:
                case FPU_VFP_CORTEXA9:
+               case FPU_VFP_CORTEXA15:
                        fregs->vfp_fpinst = read_fpinst();
                        fregs->vfp_fpinst2 = read_fpinst2();
                        break;