Look up availability of getentropy() at runtime.

[openssl.git] / crypto / s390xcpuid.pl

diff --git a/crypto/s390xcpuid.pl b/crypto/s390xcpuid.pl
index 5f6ffc66d6d2424c2e8238354903794afcc52e34..e7afb8dcf594fac614634e88d23cd24d26e56aa1 100755 (executable)
--- a/crypto/s390xcpuid.pl
+++ b/crypto/s390xcpuid.pl
@@ -129,6 +129,14 @@ OPENSSL_s390x_facilities:
 .type  OPENSSL_rdtsc,\@function
 .align 16
 OPENSSL_rdtsc:
+       larl    %r4,OPENSSL_s390xcap_P
+       tm      S390X_STFLE+3(%r4),0x40 # check for store-clock-fast facility
+       jz      .Lstck
+
+       .long   0xb27cf010      # stckf 16($sp)
+       lg      %r2,16($sp)
+       br      $ra
+.Lstck:
        stck    16($sp)
        lg      %r2,16($sp)
        br      $ra
@@ -296,6 +304,48 @@ s390x_kmac:
 ___
 }
 
+################
+# void s390x_kmo(const unsigned char *in, size_t len, unsigned char *out,
+#                unsigned int fc, void *param)
+{
+my ($in,$len,$out,$fc,$param) = map("%r$_",(2..6));
+$code.=<<___;
+.globl s390x_kmo
+.type  s390x_kmo,\@function
+.align 16
+s390x_kmo:
+       lr      %r0,$fc
+       l${g}r  %r1,$param
+
+       .long   0xb92b0042      # kmo $out,$in
+       brc     1,.-4           # pay attention to "partial completion"
+
+       br      $ra
+.size  s390x_kmo,.-s390x_kmo
+___
+}
+
+################
+# void s390x_kmf(const unsigned char *in, size_t len, unsigned char *out,
+#                unsigned int fc, void *param)
+{
+my ($in,$len,$out,$fc,$param) = map("%r$_",(2..6));
+$code.=<<___;
+.globl s390x_kmf
+.type  s390x_kmf,\@function
+.align 16
+s390x_kmf:
+       lr      %r0,$fc
+       l${g}r  %r1,$param
+
+       .long   0xb92a0042      # kmf $out,$in
+       brc     1,.-4           # pay attention to "partial completion"
+
+       br      $ra
+.size  s390x_kmf,.-s390x_kmf
+___
+}
+
 ################
 # void s390x_kma(const unsigned char *aad, size_t alen,
 #                const unsigned char *in, size_t len,