POD: Fix list termination
[openssl.git] / crypto / ppccpuid.pl
index 7e8d233..b4990de 100755 (executable)
@@ -29,6 +29,18 @@ $code=<<___;
        fcfid   f1,f1
        extrdi  r0,r0,32,0
        blr
+       .long   0
+       .byte   0,12,0x14,0,0,0,0,0
+.size  .OPENSSL_ppc64_probe,.-.OPENSSL_ppc64_probe
+
+.globl .OPENSSL_altivec_probe
+.align 4
+.OPENSSL_altivec_probe:
+       .long   0x10000484      # vor   v0,v0,v0
+       blr
+       .long   0
+       .byte   0,12,0x14,0,0,0,0,0
+.size  .OPENSSL_altivec_probe,.-..OPENSSL_altivec_probe
 
 .globl .OPENSSL_wipe_cpu
 .align 4
@@ -59,16 +71,23 @@ $code=<<___;
        fmr     f12,f31
        fmr     f13,f31
        blr
+       .long   0
+       .byte   0,12,0x14,0,0,0,0,0
+.size  .OPENSSL_wipe_cpu,.-.OPENSSL_wipe_cpu
 
 .globl .OPENSSL_atomic_add
 .align 4
 .OPENSSL_atomic_add:
-Loop:  lwarx   r5,0,r3
+Ladd:  lwarx   r5,0,r3
        add     r0,r4,r5
        stwcx.  r0,0,r3
-       bne-    Loop
+       bne-    Ladd
        $SIGNX  r3,r0
        blr
+       .long   0
+       .byte   0,12,0x14,0,0,0,2,0
+       .long   0
+.size  .OPENSSL_atomic_add,.-.OPENSSL_atomic_add
 
 .globl .OPENSSL_rdtsc
 .align 4
@@ -76,6 +95,9 @@ Loop: lwarx   r5,0,r3
        mftb    r3
        mftbu   r4
        blr
+       .long   0
+       .byte   0,12,0x14,0,0,0,0,0
+.size  .OPENSSL_rdtsc,.-.OPENSSL_rdtsc
 
 .globl .OPENSSL_cleanse
 .align 4
@@ -88,7 +110,7 @@ Loop:        lwarx   r5,0,r3
 Little:        mtctr   r4
        stb     r0,0(r3)
        addi    r3,r3,1
-       bdnz-   \$-8
+       bdnz    \$-8
        blr
 Lot:   andi.   r5,r3,3
        beq     Laligned
@@ -101,11 +123,106 @@ Laligned:
        mtctr   r5
        stw     r0,0(r3)
        addi    r3,r3,4
-       bdnz-   \$-8
+       bdnz    \$-8
        andi.   r4,r4,3
        bne     Little
        blr
+       .long   0
+       .byte   0,12,0x14,0,0,0,2,0
+       .long   0
+.size  .OPENSSL_cleanse,.-.OPENSSL_cleanse
 ___
+{
+my ($out,$cnt,$max)=("r3","r4","r5");
+my ($tick,$lasttick)=("r6","r7");
+my ($diff,$lastdiff)=("r8","r9");
+
+$code.=<<___;
+.globl .OPENSSL_instrument_bus
+.align 4
+.OPENSSL_instrument_bus:
+       mtctr   $cnt
+
+       mftb    $lasttick               # collect 1st tick
+       li      $diff,0
+
+       dcbf    0,$out                  # flush cache line
+       lwarx   $tick,0,$out            # load and lock
+       add     $tick,$tick,$diff
+       stwcx.  $tick,0,$out
+       stwx    $tick,0,$out
+
+Loop:  mftb    $tick
+       sub     $diff,$tick,$lasttick
+       mr      $lasttick,$tick
+       dcbf    0,$out                  # flush cache line
+       lwarx   $tick,0,$out            # load and lock
+       add     $tick,$tick,$diff
+       stwcx.  $tick,0,$out
+       stwx    $tick,0,$out
+       addi    $out,$out,4             # ++$out
+       bdnz    Loop
+
+       mr      r3,$cnt
+       blr
+       .long   0
+       .byte   0,12,0x14,0,0,0,2,0
+       .long   0
+.size  .OPENSSL_instrument_bus,.-.OPENSSL_instrument_bus
+
+.globl .OPENSSL_instrument_bus2
+.align 4
+.OPENSSL_instrument_bus2:
+       mr      r0,$cnt
+       slwi    $cnt,$cnt,2
+
+       mftb    $lasttick               # collect 1st tick
+       li      $diff,0
+
+       dcbf    0,$out                  # flush cache line
+       lwarx   $tick,0,$out            # load and lock
+       add     $tick,$tick,$diff
+       stwcx.  $tick,0,$out
+       stwx    $tick,0,$out
+
+       mftb    $tick                   # collect 1st diff
+       sub     $diff,$tick,$lasttick
+       mr      $lasttick,$tick
+       mr      $lastdiff,$diff
+Loop2:
+       dcbf    0,$out                  # flush cache line
+       lwarx   $tick,0,$out            # load and lock
+       add     $tick,$tick,$diff
+       stwcx.  $tick,0,$out
+       stwx    $tick,0,$out
+
+       addic.  $max,$max,-1
+       beq     Ldone2
+
+       mftb    $tick
+       sub     $diff,$tick,$lasttick
+       mr      $lasttick,$tick
+       cmplw   7,$diff,$lastdiff
+       mr      $lastdiff,$diff
+
+       mfcr    $tick                   # pull cr
+       not     $tick,$tick             # flip bits
+       rlwinm  $tick,$tick,1,29,29     # isolate flipped eq bit and scale
+
+       sub.    $cnt,$cnt,$tick         # conditional --$cnt
+       add     $out,$out,$tick         # conditional ++$out
+       bne     Loop2
+
+Ldone2:
+       srwi    $cnt,$cnt,2
+       sub     r3,r0,$cnt
+       blr
+       .long   0
+       .byte   0,12,0x14,0,0,0,3,0
+       .long   0
+.size  .OPENSSL_instrument_bus2,.-.OPENSSL_instrument_bus2
+___
+}
 
 $code =~ s/\`([^\`]*)\`/eval $1/gem;
 print $code;