patch-2.4.22 linux-2.4.22/arch/mips/math-emu/kernel_linkage.c

• Lines: 41
• Date: 2003-08-25 04:44:40.000000000 -0700
• Orig file: linux-2.4.21/arch/mips/math-emu/kernel_linkage.c
• Orig date: 2002-11-28 15:53:10.000000000 -0800

diff -urN linux-2.4.21/arch/mips/math-emu/kernel_linkage.c linux-2.4.22/arch/mips/math-emu/kernel_linkage.c
@@ -90,3 +90,40 @@
 	return err;
 }
 
+#ifdef CONFIG_MIPS64
+/*
+ * This is the o32 version
+ */
+
+int fpu_emulator_save_context32(struct sigcontext32 *sc)
+{
+	int i;
+	int err = 0;
+
+	for (i = 0; i < 32; i+=2) {
+		err |=
+		    __put_user(current->thread.fpu.soft.regs[i],
+			       &sc->sc_fpregs[i]);
+	}
+	err |= __put_user(current->thread.fpu.soft.sr, &sc->sc_fpc_csr);
+	err |= __put_user(fpuemuprivate.eir, &sc->sc_fpc_eir);
+
+	return err;
+}
+
+int fpu_emulator_restore_context32(struct sigcontext32 *sc)
+{
+	int i;
+	int err = 0;
+
+	for (i = 0; i < 32; i+=2) {
+		err |=
+		    __get_user(current->thread.fpu.soft.regs[i],
+			       &sc->sc_fpregs[i]);
+	}
+	err |= __get_user(current->thread.fpu.soft.sr, &sc->sc_fpc_csr);
+	err |= __get_user(fpuemuprivate.eir, &sc->sc_fpc_eir);
+
+	return err;
+}
+#endif