39 static int (*save_fp_context32)(struct sigcontext32 __user *sc);
40 static int (*restore_fp_context32)(struct sigcontext32 __user *sc);
42 extern asmlinkage int _save_fp_context32(struct sigcontext32 __user *sc);
43 extern asmlinkage int _restore_fp_context32(struct sigcontext32 __user *sc);
81 static int copy_fp_to_sigcontext32(struct sigcontext32 __user *sc)  in copy_fp_to_sigcontext32()  argument
90 			       &sc->sc_fpregs[i]);  in copy_fp_to_sigcontext32()
92 	err |= __put_user(current->thread.fpu.fcr31, &sc->sc_fpc_csr);  in copy_fp_to_sigcontext32()
97 static int copy_fp_from_sigcontext32(struct sigcontext32 __user *sc)  in copy_fp_from_sigcontext32()  argument
105 		err |= __get_user(fpr_val, &sc->sc_fpregs[i]);  in copy_fp_from_sigcontext32()
108 	err |= __get_user(current->thread.fpu.fcr31, &sc->sc_fpc_csr);  in copy_fp_from_sigcontext32()
116 static int protected_save_fp_context32(struct sigcontext32 __user *sc)  in protected_save_fp_context32()  argument
122 			err = save_fp_context32(sc);  in protected_save_fp_context32()
126 			err = copy_fp_to_sigcontext32(sc);  in protected_save_fp_context32()
131 		err = __put_user(0, &sc->sc_fpregs[0]) |  in protected_save_fp_context32()
132 			__put_user(0, &sc->sc_fpregs[31]) |  in protected_save_fp_context32()
133 			__put_user(0, &sc->sc_fpc_csr);  in protected_save_fp_context32()
140 static int protected_restore_fp_context32(struct sigcontext32 __user *sc)  in protected_restore_fp_context32()  argument
146 			err = restore_fp_context32(sc);  in protected_restore_fp_context32()
150 			err = copy_fp_from_sigcontext32(sc);  in protected_restore_fp_context32()
155 		err = __get_user(tmp, &sc->sc_fpregs[0]) |  in protected_restore_fp_context32()
156 			__get_user(tmp, &sc->sc_fpregs[31]) |  in protected_restore_fp_context32()
157 			__get_user(tmp, &sc->sc_fpc_csr);  in protected_restore_fp_context32()
165 			      struct sigcontext32 __user *sc)  in setup_sigcontext32()  argument
171 	err |= __put_user(regs->cp0_epc, &sc->sc_pc);  in setup_sigcontext32()
173 	err |= __put_user(0, &sc->sc_regs[0]);  in setup_sigcontext32()
175 		err |= __put_user(regs->regs[i], &sc->sc_regs[i]);  in setup_sigcontext32()
177 	err |= __put_user(regs->hi, &sc->sc_mdhi);  in setup_sigcontext32()
178 	err |= __put_user(regs->lo, &sc->sc_mdlo);  in setup_sigcontext32()
180 		err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp);  in setup_sigcontext32()
181 		err |= __put_user(mfhi1(), &sc->sc_hi1);  in setup_sigcontext32()
182 		err |= __put_user(mflo1(), &sc->sc_lo1);  in setup_sigcontext32()
183 		err |= __put_user(mfhi2(), &sc->sc_hi2);  in setup_sigcontext32()
184 		err |= __put_user(mflo2(), &sc->sc_lo2);  in setup_sigcontext32()
185 		err |= __put_user(mfhi3(), &sc->sc_hi3);  in setup_sigcontext32()
186 		err |= __put_user(mflo3(), &sc->sc_lo3);  in setup_sigcontext32()
190 	err |= __put_user(used_math, &sc->sc_used_math);  in setup_sigcontext32()
197 		err |= protected_save_fp_context32(sc);  in setup_sigcontext32()
203 check_and_restore_fp_context32(struct sigcontext32 __user *sc)  in check_and_restore_fp_context32()  argument
207 	err = sig = fpcsr_pending(&sc->sc_fpc_csr);  in check_and_restore_fp_context32()
210 	err |= protected_restore_fp_context32(sc);  in check_and_restore_fp_context32()
215 				struct sigcontext32 __user *sc)  in restore_sigcontext32()  argument
225 	err |= __get_user(regs->cp0_epc, &sc->sc_pc);  in restore_sigcontext32()
226 	err |= __get_user(regs->hi, &sc->sc_mdhi);  in restore_sigcontext32()
227 	err |= __get_user(regs->lo, &sc->sc_mdlo);  in restore_sigcontext32()
229 		err |= __get_user(treg, &sc->sc_hi1); mthi1(treg);  in restore_sigcontext32()
230 		err |= __get_user(treg, &sc->sc_lo1); mtlo1(treg);  in restore_sigcontext32()
231 		err |= __get_user(treg, &sc->sc_hi2); mthi2(treg);  in restore_sigcontext32()
232 		err |= __get_user(treg, &sc->sc_lo2); mtlo2(treg);  in restore_sigcontext32()
233 		err |= __get_user(treg, &sc->sc_hi3); mthi3(treg);  in restore_sigcontext32()
234 		err |= __get_user(treg, &sc->sc_lo3); mtlo3(treg);  in restore_sigcontext32()
235 		err |= __get_user(treg, &sc->sc_dsp); wrdsp(treg, DSP_MASK);  in restore_sigcontext32()
239 		err |= __get_user(regs->regs[i], &sc->sc_regs[i]);  in restore_sigcontext32()
241 	err |= __get_user(used_math, &sc->sc_used_math);  in restore_sigcontext32()
247 			err = check_and_restore_fp_context32(sc);  in restore_sigcontext32()