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linux-next: Tree for Mar 11 (powerpc build failure due to vmx crypto …
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…code)

crypto: vmx - Fix assembler perl to use _GLOBAL

Rather than doing things by hand for global symbols to deal with
different calling conventions we already have a macro _GLOBAL in
Linux to handle this.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Guenter Roeck <linux@roeck-us.net>
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Herbert Xu committed Mar 12, 2015
1 parent a308d66 commit f42613c
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Showing 3 changed files with 5 additions and 40 deletions.
10 changes: 0 additions & 10 deletions drivers/crypto/vmx/aesp8-ppc.pl
100755 → 100644
Original file line number Diff line number Diff line change
Expand Up @@ -85,8 +85,6 @@
.asciz "AES for PowerISA 2.07, CRYPTOGAMS by <appro\@openssl.org>"
.globl .${prefix}_set_encrypt_key
.align 5
.${prefix}_set_encrypt_key:
Lset_encrypt_key:
mflr r11
$PUSH r11,$LRSAVE($sp)
Expand Down Expand Up @@ -348,8 +346,6 @@
.size .${prefix}_set_encrypt_key,.-.${prefix}_set_encrypt_key
.globl .${prefix}_set_decrypt_key
.align 5
.${prefix}_set_decrypt_key:
$STU $sp,-$FRAME($sp)
mflr r10
$PUSH r10,$FRAME+$LRSAVE($sp)
Expand Down Expand Up @@ -405,8 +401,6 @@ ()

$code.=<<___;
.globl .${prefix}_${dir}crypt
.align 5
.${prefix}_${dir}crypt:
lwz $rounds,240($key)
lis r0,0xfc00
mfspr $vrsave,256
Expand Down Expand Up @@ -484,8 +478,6 @@ ()
map("v$_",(4..10));
$code.=<<___;
.globl .${prefix}_cbc_encrypt
.align 5
.${prefix}_cbc_encrypt:
${UCMP}i $len,16
bltlr-
Expand Down Expand Up @@ -1243,8 +1235,6 @@ ()

$code.=<<___;
.globl .${prefix}_ctr32_encrypt_blocks
.align 5
.${prefix}_ctr32_encrypt_blocks:
${UCMP}i $len,1
bltlr-
Expand Down
6 changes: 0 additions & 6 deletions drivers/crypto/vmx/ghashp8-ppc.pl
100755 → 100644
Original file line number Diff line number Diff line change
Expand Up @@ -54,8 +54,6 @@
.text
.globl .gcm_init_p8
.align 5
.gcm_init_p8:
lis r0,0xfff0
li r8,0x10
mfspr $vrsave,256
Expand Down Expand Up @@ -98,8 +96,6 @@
.size .gcm_init_p8,.-.gcm_init_p8
.globl .gcm_gmult_p8
.align 5
.gcm_gmult_p8:
lis r0,0xfff8
li r8,0x10
mfspr $vrsave,256
Expand Down Expand Up @@ -148,8 +144,6 @@
.size .gcm_gmult_p8,.-.gcm_gmult_p8
.globl .gcm_ghash_p8
.align 5
.gcm_ghash_p8:
lis r0,0xfff8
li r8,0x10
mfspr $vrsave,256
Expand Down
29 changes: 5 additions & 24 deletions drivers/crypto/vmx/ppc-xlate.pl
100755 → 100644
Original file line number Diff line number Diff line change
Expand Up @@ -27,25 +27,13 @@
/osx/ && do { $name = "_$name";
last;
};
/linux.*(32|64le)/
&& do { $ret .= ".globl $name\n";
$ret .= ".type $name,\@function";
last;
};
/linux.*64/ && do { $ret .= ".globl $name\n";
$ret .= ".type $name,\@function\n";
$ret .= ".section \".opd\",\"aw\"\n";
$ret .= ".align 3\n";
$ret .= "$name:\n";
$ret .= ".quad .$name,.TOC.\@tocbase,0\n";
$ret .= ".previous\n";

$name = ".$name";
/linux/
&& do { $ret = "_GLOBAL($name)";
last;
};
}

$ret = ".globl $name" if (!$ret);
$ret = ".globl $name\nalign 5\n$name:" if (!$ret);
$$global = $name;
$ret;
};
Expand Down Expand Up @@ -187,6 +175,8 @@ sub vcrypto_op {
" .long ".sprintf "0x%X",(31<<26)|($arg<<21)|(147*2);
};

print "#include <asm/ppc_asm.h>\n" if $flavour =~ /linux/;

while($line=<>) {

$line =~ s|[#!;].*$||; # get rid of asm-style comments...
Expand All @@ -199,15 +189,6 @@ sub vcrypto_op {
$line =~ s|\bL(\w+)|\.L$1|g if ($dotinlocallabels);
}

{
$line =~ s|(^[\.\w]+)\:\s*||;
my $label = $1;
if ($label) {
printf "%s:",($GLOBALS{$label} or $label);
printf "\n.localentry\t$GLOBALS{$label},0" if ($GLOBALS{$label} && $flavour =~ /linux.*64le/);
}
}

{
$line =~ s|^\s*(\.?)(\w+)([\.\+\-]?)\s*||;
my $c = $1; $c = "\t" if ($c eq "");
Expand Down

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