Date: Wed, 24 Apr 2013 06:40:48 +0000 (UTC) From: "Cherry G. Mathew" <cherry@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r249833 - in projects/amd64_xen_pv/sys/amd64: amd64 include Message-ID: <201304240640.r3O6emrs099372@svn.freebsd.org>
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Author: cherry Date: Wed Apr 24 06:40:48 2013 New Revision: 249833 URL: http://svnweb.freebsd.org/changeset/base/249833 Log: Add a non-inline stub function for assembler code. Approved by: gibbs(implicit) Modified: projects/amd64_xen_pv/sys/amd64/amd64/fpu.c projects/amd64_xen_pv/sys/amd64/include/fpu.h Modified: projects/amd64_xen_pv/sys/amd64/amd64/fpu.c ============================================================================== --- projects/amd64_xen_pv/sys/amd64/amd64/fpu.c Wed Apr 24 06:38:49 2013 (r249832) +++ projects/amd64_xen_pv/sys/amd64/amd64/fpu.c Wed Apr 24 06:40:48 2013 (r249833) @@ -1010,3 +1010,16 @@ fpu_save_area_reset(struct savefpu *fsa) bcopy(fpu_initialstate, fsa, cpu_max_ext_state_size); } + +#ifdef XEN +#include <machine/xen/xen-os.h> +#include <xen/hypervisor.h> + +/* Wrapper for the hypervisor version which is inline */ +/* XXX: This is all pretty sub-optimal at the moment */ +void +fpu_taskswitch(int set) +{ + HYPERVISOR_fpu_taskswitch(set); +} +#endif Modified: projects/amd64_xen_pv/sys/amd64/include/fpu.h ============================================================================== --- projects/amd64_xen_pv/sys/amd64/include/fpu.h Wed Apr 24 06:38:49 2013 (r249832) +++ projects/amd64_xen_pv/sys/amd64/include/fpu.h Wed Apr 24 06:40:48 2013 (r249833) @@ -77,6 +77,9 @@ int is_fpu_kern_thread(u_int flags); struct savefpu *fpu_save_area_alloc(void); void fpu_save_area_free(struct savefpu *fsa); void fpu_save_area_reset(struct savefpu *fsa); +#ifdef XEN +void fpu_taskswitch(int set); +#endif /* * Flags for fpu_kern_alloc_ctx(), fpu_kern_enter() and fpu_kern_thread().
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