34 #include <asm/fpu.h>
44 /* Make sure we will not lose FPU ownership */
48 /* Assembly functions to move context to/from the FPU */
67 	struct _ctx_layout fpu;  member
90 		    __put_user(get_fpr64(&current->thread.fpu.fpr[i], 0),  in copy_fpu_to_sigcontext()
93 	err |= __put_user(current->thread.fpu.fcc, fcc);  in copy_fpu_to_sigcontext()
94 	err |= __put_user(current->thread.fpu.fcsr, fcsr);  in copy_fpu_to_sigcontext()
110 		set_fpr64(&current->thread.fpu.fpr[i], 0, fpr_val);  in copy_fpu_from_sigcontext()
112 	err |= __get_user(current->thread.fpu.fcc, fcc);  in copy_fpu_from_sigcontext()
113 	err |= __get_user(current->thread.fpu.fcsr, fcsr);  in copy_fpu_from_sigcontext()
147 	 * If the signal handler set some FPU exceptions, clear it and  in fcsr_pending()
164 	struct sctx_info __user *info = extctx->fpu.addr;  in protected_save_fpu_context()
179 		err |= __put_user(extctx->fpu.size, &info->size);  in protected_save_fpu_context()
183 		/* Touch the FPU context and try again */  in protected_save_fpu_context()
198 	struct sctx_info __user *info = extctx->fpu.addr;  in protected_restore_fpu_context()
218 		/* Touch the FPU context and try again */  in protected_restore_fpu_context()
243 	if (extctx->fpu.addr)  in setup_sigcontext()
274 			extctx->fpu.addr = info;  in parse_extcontext()
309 	 * The signal handler may have used FPU; give it up if the program  in restore_sigcontext()
322 	if (extctx.fpu.addr)  in restore_sigcontext()
379 			new_sp = extframe_alloc(extctx, &extctx->fpu,  in setup_extcontext()