Module Name: src
Committed By: matt
Date: Thu Jan 31 22:35:25 UTC 2013
Modified Files:
src/sys/arch/arm/vfp: vfp_init.c
Log Message:
Add support for machdep neon_present and id_mvfr sysctls
To generate a diff of this commit:
cvs rdiff -u -r1.17 -r1.18 src/sys/arch/arm/vfp/vfp_init.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/vfp/vfp_init.c
diff -u src/sys/arch/arm/vfp/vfp_init.c:1.17 src/sys/arch/arm/vfp/vfp_init.c:1.18
--- src/sys/arch/arm/vfp/vfp_init.c:1.17 Mon Jan 28 23:49:13 2013
+++ src/sys/arch/arm/vfp/vfp_init.c Thu Jan 31 22:35:25 2013
@@ -1,4 +1,4 @@
-/* $NetBSD: vfp_init.c,v 1.17 2013/01/28 23:49:13 matt Exp $ */
+/* $NetBSD: vfp_init.c,v 1.18 2013/01/31 22:35:25 matt Exp $ */
/*
* Copyright (c) 2008 ARM Ltd
@@ -43,6 +43,9 @@
#include <uvm/uvm_extern.h> /* for pmap.h */
+extern int cpu_media_and_vfp_features[];
+extern int cpu_neon_present;
+
/*
* Use generic co-processor instructions to avoid assembly problems.
*/
@@ -374,6 +377,7 @@ vfp_attach(void)
case FPU_VFP_CORTEXA8:
case FPU_VFP_CORTEXA9:
model = "NEON MPE (VFP 3.0+)";
+ cpu_neon_present = 1;
break;
default:
aprint_normal_dev(ci->ci_dev, "unrecognized VFP version %x\n",
@@ -383,6 +387,8 @@ vfp_attach(void)
}
cpu_fpu_present = 1;
+ __asm("fmrx %0, mvfr0" : "=r"(cpu_media_and_vfp_features[0]));
+ __asm("fmrx %0, mvfr1" : "=r"(cpu_media_and_vfp_features[1]));
if (fpsid != 0) {
aprint_normal("vfp%d at %s: %s\n",
device_unit(curcpu()->ci_dev), device_xname(curcpu()->ci_dev),
