Author: andrew
Date: Fri Apr 5 23:35:23 2013
New Revision: 249176
URL: http://svnweb.freebsd.org/changeset/base/249176
Log:
Add the hw.floatingpoint sysctl to ARM to tell us if we have vfp support
in the kernel and the hardware includes a vfp unit.
Modified:
head/sys/arm/arm/machdep.c
head/sys/arm/arm/vfp.c
Modified: head/sys/arm/arm/machdep.c
==============================================================================
--- head/sys/arm/arm/machdep.c Fri Apr 5 22:19:02 2013 (r249175)
+++ head/sys/arm/arm/machdep.c Fri Apr 5 23:35:23 2013 (r249176)
@@ -183,6 +183,10 @@ SYSCTL_UINT(_hw_board, OID_AUTO, revisio
SYSCTL_STRING(_hw_board, OID_AUTO, serial, CTLFLAG_RD,
board_serial, 0, "Board serial");
+int vfp_exists;
+SYSCTL_INT(_hw, HW_FLOATINGPT, floatingpoint, CTLFLAG_RD,
+ &vfp_exists, 0, "Floating point support enabled");
+
void
board_set_serial(uint64_t serial)
{
Modified: head/sys/arm/arm/vfp.c
==============================================================================
--- head/sys/arm/arm/vfp.c Fri Apr 5 22:19:02 2013 (r249175)
+++ head/sys/arm/arm/vfp.c Fri Apr 5 23:35:23 2013 (r249176)
@@ -47,7 +47,7 @@ void vfp_restore(struct vfp_state *);
void vfp_store(struct vfp_state *);
void set_coprocessorACR(u_int);
-boolean_t vfp_exists;
+extern int vfp_exists;
static struct undefined_handler vfp10_uh, vfp11_uh;
/* The VFMXR command using coprocessor commands */
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