Kinson Chik | a8fa74c | 2011-07-29 11:33:41 -0700 | [diff] [blame] | 1 | #!/usr/bin/env perl |
| 2 | |
| 3 | $flavour = shift; |
| 4 | |
| 5 | $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; |
| 6 | ( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or |
| 7 | ( $xlate="${dir}perlasm/ppc-xlate.pl" and -f $xlate) or |
| 8 | die "can't locate ppc-xlate.pl"; |
| 9 | |
| 10 | open STDOUT,"| $^X $xlate $flavour ".shift || die "can't call $xlate: $!"; |
| 11 | |
| 12 | if ($flavour=~/64/) { |
| 13 | $CMPLI="cmpldi"; |
| 14 | $SHRLI="srdi"; |
| 15 | $SIGNX="extsw"; |
| 16 | } else { |
| 17 | $CMPLI="cmplwi"; |
| 18 | $SHRLI="srwi"; |
| 19 | $SIGNX="mr"; |
| 20 | } |
| 21 | |
| 22 | $code=<<___; |
| 23 | .machine "any" |
| 24 | .text |
| 25 | |
| 26 | .globl .OPENSSL_cpuid_setup |
| 27 | .align 4 |
| 28 | .OPENSSL_cpuid_setup: |
| 29 | blr |
| 30 | |
| 31 | .globl .OPENSSL_wipe_cpu |
| 32 | .align 4 |
| 33 | .OPENSSL_wipe_cpu: |
| 34 | xor r0,r0,r0 |
| 35 | mr r3,r1 |
| 36 | xor r4,r4,r4 |
| 37 | xor r5,r5,r5 |
| 38 | xor r6,r6,r6 |
| 39 | xor r7,r7,r7 |
| 40 | xor r8,r8,r8 |
| 41 | xor r9,r9,r9 |
| 42 | xor r10,r10,r10 |
| 43 | xor r11,r11,r11 |
| 44 | xor r12,r12,r12 |
| 45 | blr |
| 46 | |
| 47 | .globl .OPENSSL_atomic_add |
| 48 | .align 4 |
| 49 | .OPENSSL_atomic_add: |
| 50 | Loop: lwarx r5,0,r3 |
| 51 | add r0,r4,r5 |
| 52 | stwcx. r0,0,r3 |
| 53 | bne- Loop |
| 54 | $SIGNX r3,r0 |
| 55 | blr |
| 56 | |
| 57 | .globl .OPENSSL_rdtsc |
| 58 | .align 4 |
| 59 | .OPENSSL_rdtsc: |
| 60 | mftb r3 |
| 61 | mftbu r4 |
| 62 | blr |
| 63 | |
| 64 | .globl .OPENSSL_cleanse |
| 65 | .align 4 |
| 66 | .OPENSSL_cleanse: |
| 67 | $CMPLI r4,7 |
| 68 | li r0,0 |
| 69 | bge Lot |
| 70 | $CMPLI r4,0 |
| 71 | beqlr- |
| 72 | Little: mtctr r4 |
| 73 | stb r0,0(r3) |
| 74 | addi r3,r3,1 |
| 75 | bdnz- \$-8 |
| 76 | blr |
| 77 | Lot: andi. r5,r3,3 |
| 78 | beq Laligned |
| 79 | stb r0,0(r3) |
| 80 | subi r4,r4,1 |
| 81 | addi r3,r3,1 |
| 82 | b Lot |
| 83 | Laligned: |
| 84 | $SHRLI r5,r4,2 |
| 85 | mtctr r5 |
| 86 | stw r0,0(r3) |
| 87 | addi r3,r3,4 |
| 88 | bdnz- \$-8 |
| 89 | andi. r4,r4,3 |
| 90 | bne Little |
| 91 | blr |
| 92 | ___ |
| 93 | |
| 94 | $code =~ s/\`([^\`]*)\`/eval $1/gem; |
| 95 | print $code; |
| 96 | close STDOUT; |