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| author | Nicholas Piggin <npiggin@gmail.com> | 2022-11-28 14:15:38 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-12-02 17:54:07 +1100 |
| commit | 505ea33089dcfc3ee3201b0fcb94751165805413 (patch) | |
| tree | 4fd72f681550785ac3342da1caada4b0d944bfc1 /drivers/crypto | |
| parent | de3d098dd1fc635535e3689c5d4aa0684242adde (diff) | |
| download | linux-stable-505ea33089dcfc3ee3201b0fcb94751165805413.tar.gz linux-stable-505ea33089dcfc3ee3201b0fcb94751165805413.tar.bz2 linux-stable-505ea33089dcfc3ee3201b0fcb94751165805413.zip | |
powerpc/64: Add big-endian ELFv2 flavour to crypto VMX asm generation
This allows asm generation for big-endian ELFv2 builds.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221128041539.1742489-4-npiggin@gmail.com
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/vmx/Makefile | 12 | ||||
| -rw-r--r-- | drivers/crypto/vmx/ppc-xlate.pl | 10 |
2 files changed, 17 insertions, 5 deletions
diff --git a/drivers/crypto/vmx/Makefile b/drivers/crypto/vmx/Makefile index 2560cfea1dec..e33c7238e7f8 100644 --- a/drivers/crypto/vmx/Makefile +++ b/drivers/crypto/vmx/Makefile @@ -2,8 +2,18 @@ obj-$(CONFIG_CRYPTO_DEV_VMX_ENCRYPT) += vmx-crypto.o vmx-crypto-objs := vmx.o aesp8-ppc.o ghashp8-ppc.o aes.o aes_cbc.o aes_ctr.o aes_xts.o ghash.o +ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) +override flavour := linux-ppc64le +else +ifdef CONFIG_PPC64_ELF_ABI_V2 +override flavour := linux-ppc64-elfv2 +else +override flavour := linux-ppc64 +endif +endif + quiet_cmd_perl = PERL $@ - cmd_perl = $(PERL) $< $(if $(CONFIG_CPU_LITTLE_ENDIAN), linux-ppc64le, linux-ppc64) > $@ + cmd_perl = $(PERL) $< $(flavour) > $@ targets += aesp8-ppc.S ghashp8-ppc.S diff --git a/drivers/crypto/vmx/ppc-xlate.pl b/drivers/crypto/vmx/ppc-xlate.pl index 36db2ef09e5b..b583898c11ae 100644 --- a/drivers/crypto/vmx/ppc-xlate.pl +++ b/drivers/crypto/vmx/ppc-xlate.pl @@ -9,6 +9,8 @@ open STDOUT,">$output" || die "can't open $output: $!"; my %GLOBALS; my $dotinlocallabels=($flavour=~/linux/)?1:0; +my $elfv2abi=(($flavour =~ /linux-ppc64le/) or ($flavour =~ /linux-ppc64-elfv2/))?1:0; +my $dotfunctions=($elfv2abi=~1)?0:1; ################################################################ # directives which need special treatment on different platforms @@ -40,7 +42,7 @@ my $globl = sub { }; my $text = sub { my $ret = ($flavour =~ /aix/) ? ".csect\t.text[PR],7" : ".text"; - $ret = ".abiversion 2\n".$ret if ($flavour =~ /linux.*64le/); + $ret = ".abiversion 2\n".$ret if ($elfv2abi); $ret; }; my $machine = sub { @@ -56,8 +58,8 @@ my $size = sub { if ($flavour =~ /linux/) { shift; my $name = shift; $name =~ s|^[\.\_]||; - my $ret = ".size $name,.-".($flavour=~/64$/?".":"").$name; - $ret .= "\n.size .$name,.-.$name" if ($flavour=~/64$/); + my $ret = ".size $name,.-".($dotfunctions?".":"").$name; + $ret .= "\n.size .$name,.-.$name" if ($dotfunctions); $ret; } else @@ -142,7 +144,7 @@ my $vmr = sub { # Some ABIs specify vrsave, special-purpose register #256, as reserved # for system use. -my $no_vrsave = ($flavour =~ /linux-ppc64le/); +my $no_vrsave = ($elfv2abi); my $mtspr = sub { my ($f,$idx,$ra) = @_; if ($idx == 256 && $no_vrsave) { |