powerpc: Move VMX and VSX asm code to vector.S

[deliverable/linux.git] / arch / powerpc / kernel / head_32.S

diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index c01467f952d38b6552ace4c25815824f4d1560d3..6437f905c566b1c9c62c9e6c18c14e34c017f110 100644 (file)
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -743,101 +743,6 @@ PerformanceMonitor:
        addi    r3,r1,STACK_FRAME_OVERHEAD
        EXC_XFER_STD(0xf00, performance_monitor_exception)
 
-#ifdef CONFIG_ALTIVEC
-/* Note that the AltiVec support is closely modeled after the FP
- * support.  Changes to one are likely to be applicable to the
- * other!  */
-load_up_altivec:
-/*
- * Disable AltiVec for the task which had AltiVec previously,
- * and save its AltiVec registers in its thread_struct.
- * Enables AltiVec for use in the kernel on return.
- * On SMP we know the AltiVec units are free, since we give it up every
- * switch.  -- Kumar
- */
-       mfmsr   r5
-       oris    r5,r5,MSR_VEC@h
-       MTMSRD(r5)                      /* enable use of AltiVec now */
-       isync
-/*
- * For SMP, we don't do lazy AltiVec switching because it just gets too
- * horrendously complex, especially when a task switches from one CPU
- * to another.  Instead we call giveup_altivec in switch_to.
- */
-#ifndef CONFIG_SMP
-       tophys(r6,0)
-       addis   r3,r6,last_task_used_altivec@ha
-       lwz     r4,last_task_used_altivec@l(r3)
-       cmpwi   0,r4,0
-       beq     1f
-       add     r4,r4,r6
-       addi    r4,r4,THREAD    /* want THREAD of last_task_used_altivec */
-       SAVE_32VRS(0,r10,r4)
-       mfvscr  vr0
-       li      r10,THREAD_VSCR
-       stvx    vr0,r10,r4
-       lwz     r5,PT_REGS(r4)
-       add     r5,r5,r6
-       lwz     r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-       lis     r10,MSR_VEC@h
-       andc    r4,r4,r10       /* disable altivec for previous task */
-       stw     r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-1:
-#endif /* CONFIG_SMP */
-       /* enable use of AltiVec after return */
-       oris    r9,r9,MSR_VEC@h
-       mfspr   r5,SPRN_SPRG3           /* current task's THREAD (phys) */
-       li      r4,1
-       li      r10,THREAD_VSCR
-       stw     r4,THREAD_USED_VR(r5)
-       lvx     vr0,r10,r5
-       mtvscr  vr0
-       REST_32VRS(0,r10,r5)
-#ifndef CONFIG_SMP
-       subi    r4,r5,THREAD
-       sub     r4,r4,r6
-       stw     r4,last_task_used_altivec@l(r3)
-#endif /* CONFIG_SMP */
-       /* restore registers and return */
-       /* we haven't used ctr or xer or lr */
-       b       fast_exception_return
-
-/*
- * giveup_altivec(tsk)
- * Disable AltiVec for the task given as the argument,
- * and save the AltiVec registers in its thread_struct.
- * Enables AltiVec for use in the kernel on return.
- */
-
-       .globl  giveup_altivec
-giveup_altivec:
-       mfmsr   r5
-       oris    r5,r5,MSR_VEC@h
-       SYNC
-       MTMSRD(r5)                      /* enable use of AltiVec now */
-       isync
-       cmpwi   0,r3,0
-       beqlr-                          /* if no previous owner, done */
-       addi    r3,r3,THREAD            /* want THREAD of task */
-       lwz     r5,PT_REGS(r3)
-       cmpwi   0,r5,0
-       SAVE_32VRS(0, r4, r3)
-       mfvscr  vr0
-       li      r4,THREAD_VSCR
-       stvx    vr0,r4,r3
-       beq     1f
-       lwz     r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-       lis     r3,MSR_VEC@h
-       andc    r4,r4,r3                /* disable AltiVec for previous task */
-       stw     r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-1:
-#ifndef CONFIG_SMP
-       li      r5,0
-       lis     r4,last_task_used_altivec@ha
-       stw     r5,last_task_used_altivec@l(r4)
-#endif /* CONFIG_SMP */
-       blr
-#endif /* CONFIG_ALTIVEC */
 
 /*
  * This code is jumped to from the startup code to copy