#endif
unsigned long msr = regs->msr;
long err = 0;
-#ifdef CONFIG_VSX
- double buf[FP_REGS_SIZE];
- int i;
-#endif
flush_fp_to_thread(current);
err |= __put_user(0, &sc->v_regs);
#endif /* CONFIG_ALTIVEC */
flush_fp_to_thread(current);
+ /* copy fpr regs and fpscr */
+ err |= copy_fpr_to_user(&sc->fp_regs, current);
#ifdef CONFIG_VSX
- /* Copy FP to local buffer then write that out */
- for (i = 0; i < 32 ; i++)
- buf[i] = current->thread.TS_FPR(i);
- memcpy(&buf[i], ¤t->thread.fpscr, sizeof(double));
- err |= __copy_to_user(&sc->fp_regs, buf, FP_REGS_SIZE);
/*
* Copy VSX low doubleword to local buffer for formatting,
* then out to userspace. Update v_regs to point after the
if (current->thread.used_vsr) {
flush_vsx_to_thread(current);
v_regs += ELF_NVRREG;
- for (i = 0; i < 32 ; i++)
- buf[i] = current->thread.fpr[i][TS_VSRLOWOFFSET];
- err |= __copy_to_user(v_regs, buf, 32 * sizeof(double));
+ err |= copy_vsx_to_user(v_regs, current);
/* set MSR_VSX in the MSR value in the frame to
* indicate that sc->vs_reg) contains valid data.
*/
msr |= MSR_VSX;
}
-#else /* CONFIG_VSX */
- /* copy fpr regs and fpscr */
- err |= __copy_to_user(&sc->fp_regs, ¤t->thread.fpr, FP_REGS_SIZE);
#endif /* CONFIG_VSX */
err |= __put_user(&sc->gp_regs, &sc->regs);
WARN_ON(!FULL_REGS(regs));
{
#ifdef CONFIG_ALTIVEC
elf_vrreg_t __user *v_regs;
-#endif
-#ifdef CONFIG_VSX
- double buf[FP_REGS_SIZE];
- int i;
#endif
unsigned long err = 0;
unsigned long save_r13 = 0;
unsigned long msr;
+#ifdef CONFIG_VSX
+ int i;
+#endif
/* If this is not a signal return, we preserve the TLS in r13 */
if (!sig)
else
current->thread.vrsave = 0;
#endif /* CONFIG_ALTIVEC */
-#ifdef CONFIG_VSX
/* restore floating point */
- err |= __copy_from_user(buf, &sc->fp_regs, FP_REGS_SIZE);
- if (err)
- return err;
- for (i = 0; i < 32 ; i++)
- current->thread.TS_FPR(i) = buf[i];
- memcpy(¤t->thread.fpscr, &buf[i], sizeof(double));
-
+ err |= copy_fpr_from_user(current, &sc->fp_regs);
+#ifdef CONFIG_VSX
/*
* Get additional VSX data. Update v_regs to point after the
* VMX data. Copy VSX low doubleword from userspace to local
*/
v_regs += ELF_NVRREG;
if ((msr & MSR_VSX) != 0)
- err |= __copy_from_user(buf, v_regs, 32 * sizeof(double));
+ err |= copy_vsx_from_user(current, v_regs);
else
- memset(buf, 0, 32 * sizeof(double));
+ for (i = 0; i < 32 ; i++)
+ current->thread.fpr[i][TS_VSRLOWOFFSET] = 0;
- for (i = 0; i < 32 ; i++)
- current->thread.fpr[i][TS_VSRLOWOFFSET] = buf[i];
#else
- err |= __copy_from_user(¤t->thread.fpr, &sc->fp_regs, FP_REGS_SIZE);
#endif
return err;
}