diff options
Diffstat (limited to 'arch/powerpc/kernel/process.c')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 1924b57bd24..85e557300d8 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -105,29 +105,6 @@ void enable_kernel_fp(void) } EXPORT_SYMBOL(enable_kernel_fp); -int dump_task_fpu(struct task_struct *tsk, elf_fpregset_t *fpregs) -{ -#ifdef CONFIG_VSX - int i; - elf_fpreg_t *reg; -#endif - - if (!tsk->thread.regs) - return 0; - flush_fp_to_thread(current); - -#ifdef CONFIG_VSX - reg = (elf_fpreg_t *)fpregs; - for (i = 0; i < ELF_NFPREG - 1; i++, reg++) - *reg = tsk->thread.TS_FPR(i); - memcpy(reg, &tsk->thread.fpscr, sizeof(elf_fpreg_t)); -#else - memcpy(fpregs, &tsk->thread.TS_FPR(0), sizeof(*fpregs)); -#endif - - return 1; -} - #ifdef CONFIG_ALTIVEC void enable_kernel_altivec(void) { @@ -161,35 +138,6 @@ void flush_altivec_to_thread(struct task_struct *tsk) preempt_enable(); } } - -int dump_task_altivec(struct task_struct *tsk, elf_vrregset_t *vrregs) -{ - /* ELF_NVRREG includes the VSCR and VRSAVE which we need to save - * separately, see below */ - const int nregs = ELF_NVRREG - 2; - elf_vrreg_t *reg; - u32 *dest; - - if (tsk == current) - flush_altivec_to_thread(tsk); - - reg = (elf_vrreg_t *)vrregs; - - /* copy the 32 vr registers */ - memcpy(reg, &tsk->thread.vr[0], nregs * sizeof(*reg)); - reg += nregs; - - /* copy the vscr */ - memcpy(reg, &tsk->thread.vscr, sizeof(*reg)); - reg++; - - /* vrsave is stored in the high 32bit slot of the final 128bits */ - memset(reg, 0, sizeof(*reg)); - dest = (u32 *)reg; - *dest = tsk->thread.vrsave; - - return 1; -} #endif /* CONFIG_ALTIVEC */ #ifdef CONFIG_VSX @@ -224,29 +172,6 @@ void flush_vsx_to_thread(struct task_struct *tsk) preempt_enable(); } } - -/* - * This dumps the lower half 64bits of the first 32 VSX registers. - * This needs to be called with dump_task_fp and dump_task_altivec to - * get all the VSX state. - */ -int dump_task_vsx(struct task_struct *tsk, elf_vrreg_t *vrregs) -{ - elf_vrreg_t *reg; - double buf[32]; - int i; - - if (tsk == current) - flush_vsx_to_thread(tsk); - - reg = (elf_vrreg_t *)vrregs; - - for (i = 0; i < 32 ; i++) - buf[i] = current->thread.fpr[i][TS_VSRLOWOFFSET]; - memcpy(reg, buf, sizeof(buf)); - - return 1; -} #endif /* CONFIG_VSX */ #ifdef CONFIG_SPE @@ -279,14 +204,6 @@ void flush_spe_to_thread(struct task_struct *tsk) preempt_enable(); } } - -int dump_spe(struct pt_regs *regs, elf_vrregset_t *evrregs) -{ - flush_spe_to_thread(current); - /* We copy u32 evr[32] + u64 acc + u32 spefscr -> 35 */ - memcpy(evrregs, ¤t->thread.evr[0], sizeof(u32) * 35); - return 1; -} #endif /* CONFIG_SPE */ #ifndef CONFIG_SMP |