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openssl-1_1
0001-s390x-assembly-pack-extend-s390x-capabilit...
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File 0001-s390x-assembly-pack-extend-s390x-capability-vector.patch of Package openssl-1_1
From bc4e831ccd81a1d22a7462df645c884ce33ea7c0 Mon Sep 17 00:00:00 2001 From: Patrick Steuer <patrick.steuer@de.ibm.com> Date: Mon, 2 Oct 2017 11:24:02 +0200 Subject: [PATCH] s390x assembly pack: extend s390x capability vector. Extend the s390x capability vector to store the longer facility list available from z13 onwards. The bits indicating the vector extensions are set to zero, if the kernel does not enable the vector facility. Also add capability bits returned by the crypto instructions' query functions. Signed-off-by: Patrick Steuer <patrick.steuer@de.ibm.com> Reviewed-by: Andy Polyakov <appro@openssl.org> Reviewed-by: Tim Hudson <tjh@openssl.org> (Merged from https://github.com/openssl/openssl/pull/4542) --- crypto/aes/asm/aes-s390x.pl | 11 +-- crypto/aes/build.info | 3 + crypto/modes/asm/ghash-s390x.pl | 12 ++-- crypto/modes/build.info | 2 + crypto/s390x_arch.h | 82 +++++++++++++++++++++++ crypto/s390xcap.c | 28 ++++++-- crypto/s390xcpuid.S | 115 ++++++++++++++++++++++++-------- crypto/sha/asm/sha1-s390x.pl | 5 +- crypto/sha/asm/sha512-s390x.pl | 5 +- crypto/sha/build.info | 7 ++ 10 files changed, 222 insertions(+), 48 deletions(-) create mode 100644 crypto/s390x_arch.h Index: openssl-1.1.0i/crypto/aes/asm/aes-s390x.pl =================================================================== --- openssl-1.1.0i.orig/crypto/aes/asm/aes-s390x.pl +++ openssl-1.1.0i/crypto/aes/asm/aes-s390x.pl @@ -129,6 +129,8 @@ sub _data_word() } $code=<<___; +#include "s390x_arch.h" + .text .type AES_Te,\@object @@ -823,8 +825,8 @@ $code.=<<___ if (!$softonly); larl %r1,OPENSSL_s390xcap_P llihh %r0,0x8000 srlg %r0,%r0,0(%r5) - ng %r0,32(%r1) # check availability of both km... - ng %r0,48(%r1) # ...and kmc support for given key length + ng %r0,S390X_KM(%r1) # check availability of both km... + ng %r0,S390X_KMC(%r1) # ...and kmc support for given key length jz .Lekey_internal lmg %r0,%r1,0($inp) # just copy 128 bits... @@ -1442,7 +1444,7 @@ $code.=<<___ if (!$softonly && 0);# kmct larl %r1,OPENSSL_s390xcap_P llihh %r0,0x8000 # check if kmctr supports the function code srlg %r0,%r0,0($s0) - ng %r0,64(%r1) # check kmctr capability vector + ng %r0,S390X_KMCTR(%r1) # check kmctr capability vector lgr %r0,$s0 lgr %r1,$s1 jz .Lctr32_km_loop @@ -1592,7 +1594,7 @@ $code.=<<___ if(1); larl %r1,OPENSSL_s390xcap_P llihh %r0,0x8000 srlg %r0,%r0,32($s1) # check for 32+function code - ng %r0,32(%r1) # check km capability vector + ng %r0,S390X_KM(%r1) # check km capability vector lgr %r0,$s0 # restore the function code la %r1,0($key1) # restore $key1 jz .Lxts_km_vanilla Index: openssl-1.1.0i/crypto/aes/build.info =================================================================== --- openssl-1.1.0i.orig/crypto/aes/build.info +++ openssl-1.1.0i/crypto/aes/build.info @@ -45,6 +45,9 @@ INCLUDE[aes-armv4.o]=.. GENERATE[bsaes-armv7.S]=asm/bsaes-armv7.pl $(PERLASM_SCHEME) INCLUDE[bsaes-armv7.o]=.. +GENERATE[aes-s390x.S]=asm/aes-s390x.pl $(PERLASM_SCHEME) +INCLUDE[aes-s390x.o]=.. + BEGINRAW[Makefile] ##### AES assembler implementations Index: openssl-1.1.0i/crypto/modes/asm/ghash-s390x.pl =================================================================== --- openssl-1.1.0i.orig/crypto/modes/asm/ghash-s390x.pl +++ openssl-1.1.0i/crypto/modes/asm/ghash-s390x.pl @@ -80,6 +80,8 @@ $rem_4bit="%r14"; $sp="%r15"; $code.=<<___; +#include "s390x_arch.h" + .text .globl gcm_gmult_4bit @@ -89,12 +91,13 @@ ___ $code.=<<___ if(!$softonly && 0); # hardware is slow for single block... larl %r1,OPENSSL_s390xcap_P lghi %r0,0 - lg %r1,24(%r1) # load second word of kimd capabilities vector + lg %r1,S390X_KIMD+8(%r1) # load second word of kimd capabilities + # vector tmhh %r1,0x4000 # check for function 65 jz .Lsoft_gmult stg %r0,16($sp) # arrange 16 bytes of zero input stg %r0,24($sp) - lghi %r0,65 # function 65 + lghi %r0,S390X_GHASH # function 65 la %r1,0($Xi) # H lies right after Xi in gcm128_context la $inp,16($sp) lghi $len,16 @@ -123,10 +126,11 @@ gcm_ghash_4bit: ___ $code.=<<___ if(!$softonly); larl %r1,OPENSSL_s390xcap_P - lg %r0,24(%r1) # load second word of kimd capabilities vector + lg %r0,S390X_KIMD+8(%r1) # load second word of kimd capabilities + # vector tmhh %r0,0x4000 # check for function 65 jz .Lsoft_ghash - lghi %r0,65 # function 65 + lghi %r0,S390X_GHASH # function 65 la %r1,0($Xi) # H lies right after Xi in gcm128_context .long 0xb93e0004 # kimd %r0,$inp brc 1,.-4 # pay attention to "partial completion" Index: openssl-1.1.0i/crypto/modes/build.info =================================================================== --- openssl-1.1.0i.orig/crypto/modes/build.info +++ openssl-1.1.0i/crypto/modes/build.info @@ -19,6 +19,8 @@ GENERATE[ghash-armv4.S]=asm/ghash-armv4. INCLUDE[ghash-armv4.o]=.. GENERATE[ghashv8-armx.S]=asm/ghashv8-armx.pl $(PERLASM_SCHEME) INCLUDE[ghashv8-armx.o]=.. +GENERATE[ghash-s390x.S]=asm/ghash-s390x.pl $(PERLASM_SCHEME) +INCLUDE[ghash-s390x.o]=.. BEGINRAW[Makefile] # GNU make "catch all" Index: openssl-1.1.0i/crypto/s390x_arch.h =================================================================== --- /dev/null +++ openssl-1.1.0i/crypto/s390x_arch.h @@ -0,0 +1,82 @@ +/* + * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#ifndef S390X_ARCH_H +# define S390X_ARCH_H + +# ifndef __ASSEMBLER__ + +/* + * The field elements of OPENSSL_s390xcap_P are the 64-bit words returned by + * the STFLE instruction followed by the 64-bit word pairs returned by + * instructions' QUERY functions. If STFLE returns fewer data or an instruction + * is not supported, the corresponding field elements are zero. + */ +struct OPENSSL_s390xcap_st { + unsigned long long stfle[4]; + unsigned long long kimd[2]; + unsigned long long klmd[2]; + unsigned long long km[2]; + unsigned long long kmc[2]; + unsigned long long kmac[2]; + unsigned long long kmctr[2]; + unsigned long long kmo[2]; + unsigned long long kmf[2]; + unsigned long long prno[2]; + unsigned long long kma[2]; +}; + +extern struct OPENSSL_s390xcap_st OPENSSL_s390xcap_P; + +/* convert facility bit number or function code to bit mask */ +# define S390X_CAPBIT(i) (1ULL << (63 - (i) % 64)) + +# endif + +/* OPENSSL_s390xcap_P offsets [bytes] */ +# define S390X_STFLE 0x00 +# define S390X_KIMD 0x20 +# define S390X_KLMD 0x30 +# define S390X_KM 0x40 +# define S390X_KMC 0x50 +# define S390X_KMAC 0x60 +# define S390X_KMCTR 0x70 +# define S390X_KMO 0x80 +# define S390X_KMF 0x90 +# define S390X_PRNO 0xa0 +# define S390X_KMA 0xb0 + +/* Facility Bit Numbers */ +# define S390X_VX 129 +# define S390X_VXD 134 +# define S390X_VXE 135 + +/* Function Codes */ + +/* all instructions */ +# define S390X_QUERY 0 + +/* kimd/klmd */ +# define S390X_SHA3_224 32 +# define S390X_SHA3_256 33 +# define S390X_SHA3_384 34 +# define S390X_SHA3_512 35 +# define S390X_SHAKE_128 36 +# define S390X_SHAKE_256 37 +# define S390X_GHASH 65 + +/* km/kmc/kmac/kmctr/kmo/kmf/kma */ +# define S390X_AES_128 18 +# define S390X_AES_192 19 +# define S390X_AES_256 20 + +/* prno */ +# define S390X_TRNG 114 + +#endif Index: openssl-1.1.0i/crypto/s390xcap.c =================================================================== --- openssl-1.1.0i.orig/crypto/s390xcap.c +++ openssl-1.1.0i/crypto/s390xcap.c @@ -1,5 +1,5 @@ /* - * Copyright 2010-2016 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 2010-2017 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy @@ -12,8 +12,7 @@ #include <string.h> #include <setjmp.h> #include <signal.h> - -unsigned long long OPENSSL_s390xcap_P[10]; +#include "s390x_arch.h" static sigjmp_buf ill_jmp; static void ill_handler(int sig) @@ -21,30 +20,47 @@ static void ill_handler(int sig) siglongjmp(ill_jmp, sig); } -unsigned long OPENSSL_s390x_facilities(void); +void OPENSSL_s390x_facilities(void); +void OPENSSL_vx_probe(void); + +struct OPENSSL_s390xcap_st OPENSSL_s390xcap_P; void OPENSSL_cpuid_setup(void) { sigset_t oset; struct sigaction ill_act, oact; - if (OPENSSL_s390xcap_P[0]) + if (OPENSSL_s390xcap_P.stfle[0]) return; - OPENSSL_s390xcap_P[0] = 1UL << (8 * sizeof(unsigned long) - 1); + /* set a bit that will not be tested later */ + OPENSSL_s390xcap_P.stfle[0] |= S390X_CAPBIT(0); memset(&ill_act, 0, sizeof(ill_act)); ill_act.sa_handler = ill_handler; sigfillset(&ill_act.sa_mask); sigdelset(&ill_act.sa_mask, SIGILL); + sigdelset(&ill_act.sa_mask, SIGFPE); sigdelset(&ill_act.sa_mask, SIGTRAP); sigprocmask(SIG_SETMASK, &ill_act.sa_mask, &oset); sigaction(SIGILL, &ill_act, &oact); + sigaction(SIGFPE, &ill_act, &oact); /* protection against missing store-facility-list-extended */ if (sigsetjmp(ill_jmp, 1) == 0) OPENSSL_s390x_facilities(); + /* protection against disabled vector facility */ + if ((OPENSSL_s390xcap_P.stfle[2] & S390X_CAPBIT(S390X_VX)) + && (sigsetjmp(ill_jmp, 1) == 0)) { + OPENSSL_vx_probe(); + } else { + OPENSSL_s390xcap_P.stfle[2] &= ~(S390X_CAPBIT(S390X_VX) + | S390X_CAPBIT(S390X_VXD) + | S390X_CAPBIT(S390X_VXE)); + } + + sigaction(SIGFPE, &oact, NULL); sigaction(SIGILL, &oact, NULL); sigprocmask(SIG_SETMASK, &oset, NULL); } Index: openssl-1.1.0i/crypto/s390xcpuid.S =================================================================== --- openssl-1.1.0i.orig/crypto/s390xcpuid.S +++ openssl-1.1.0i/crypto/s390xcpuid.S @@ -6,49 +6,100 @@ // in the file LICENSE in the source distribution or at // https://www.openssl.org/source/license.html +#include "s390x_arch.h" + .globl OPENSSL_s390x_facilities .type OPENSSL_s390x_facilities,@function .align 16 OPENSSL_s390x_facilities: lghi %r0,0 larl %r4,OPENSSL_s390xcap_P - stg %r0,8(%r4) # wipe capability vectors - stg %r0,16(%r4) - stg %r0,24(%r4) - stg %r0,32(%r4) - stg %r0,40(%r4) - stg %r0,48(%r4) - stg %r0,56(%r4) - stg %r0,64(%r4) - stg %r0,72(%r4) - .long 0xb2b04000 # stfle 0(%r4) + stg %r0,S390X_STFLE+8(%r4) # wipe capability vectors + stg %r0,S390X_STFLE+16(%r4) + stg %r0,S390X_STFLE+24(%r4) + stg %r0,S390X_KIMD(%r4) + stg %r0,S390X_KIMD+8(%r4) + stg %r0,S390X_KLMD(%r4) + stg %r0,S390X_KLMD+8(%r4) + stg %r0,S390X_KM(%r4) + stg %r0,S390X_KM+8(%r4) + stg %r0,S390X_KMC(%r4) + stg %r0,S390X_KMC+8(%r4) + stg %r0,S390X_KMAC(%r4) + stg %r0,S390X_KMAC+8(%r4) + stg %r0,S390X_KMCTR(%r4) + stg %r0,S390X_KMCTR+8(%r4) + stg %r0,S390X_KMO(%r4) + stg %r0,S390X_KMO+8(%r4) + stg %r0,S390X_KMF(%r4) + stg %r0,S390X_KMF+8(%r4) + stg %r0,S390X_PRNO(%r4) + stg %r0,S390X_PRNO+8(%r4) + stg %r0,S390X_KMA(%r4) + stg %r0,S390X_KMA+8(%r4) + + .long 0xb2b04000 # stfle 0(%r4) brc 8,.Ldone lghi %r0,1 - .long 0xb2b04000 # stfle 0(%r4) + .long 0xb2b04000 # stfle 0(%r4) + brc 8,.Ldone + lghi %r0,2 + .long 0xb2b04000 # stfle 0(%r4) .Ldone: - lmg %r2,%r3,0(%r4) - tmhl %r2,0x4000 # check for message-security-assist + lmg %r2,%r3,S390X_STFLE(%r4) + tmhl %r2,0x4000 # check for message-security-assist + jz .Lret + + lghi %r0,S390X_QUERY # query kimd capabilities + la %r1,S390X_KIMD(%r4) + .long 0xb93e0002 # kimd %r0,%r2 + + lghi %r0,S390X_QUERY # query klmd capabilities + la %r1,S390X_KLMD(%r4) + .long 0xb93f0002 # klmd %r0,%r2 + + lghi %r0,S390X_QUERY # query km capability vector + la %r1,S390X_KM(%r4) + .long 0xb92e0042 # km %r4,%r2 + + lghi %r0,S390X_QUERY # query kmc capability vector + la %r1,S390X_KMC(%r4) + .long 0xb92f0042 # kmc %r4,%r2 + + lghi %r0,S390X_QUERY # query kmac capability vector + la %r1,S390X_KMAC(%r4) + .long 0xb91e0042 # kmac %r4,%r2 + + tmhh %r3,0x0004 # check for message-security-assist-4 jz .Lret - lghi %r0,0 # query kimd capabilities - la %r1,16(%r4) - .long 0xb93e0002 # kimd %r0,%r2 - - lghi %r0,0 # query km capability vector - la %r1,32(%r4) - .long 0xb92e0042 # km %r4,%r2 - - lghi %r0,0 # query kmc capability vector - la %r1,48(%r4) - .long 0xb92f0042 # kmc %r4,%r2 + lghi %r0,S390X_QUERY # query kmctr capability vector + la %r1,S390X_KMCTR(%r4) + .long 0xb92d2042 # kmctr %r4,%r2,%r2 + + lghi %r0,S390X_QUERY # query kmo capability vector + la %r1,S390X_KMO(%r4) + .long 0xb92b0042 # kmo %r4,%r2 + + lghi %r0,S390X_QUERY # query kmf capability vector + la %r1,S390X_KMF(%r4) + .long 0xb92a0042 # kmf %r4,%r2 - tmhh %r3,0x0004 # check for message-security-assist-4 + tml %r2,0x40 # check for message-security-assist-5 jz .Lret - lghi %r0,0 # query kmctr capability vector - la %r1,64(%r4) - .long 0xb92d2042 # kmctr %r4,%r2,%r2 + lghi %r0,S390X_QUERY # query prno capability vector + la %r1,S390X_PRNO(%r4) + .long 0xb93c0042 # prno %r4,%r2 + + lg %r2,S390X_STFLE+16(%r4) + tmhl %r2,0x2000 # check for message-security-assist-8 + jz .Lret + + lghi %r0,S390X_QUERY # query kma capability vector + la %r1,S390X_KMA(%r4) + .long 0xb9294022 # kma %r2,%r4,%r2 .Lret: br %r14 @@ -174,5 +225,13 @@ OPENSSL_instrument_bus2: br %r14 .size OPENSSL_instrument_bus2,.-OPENSSL_instrument_bus2 +.globl OPENSSL_vx_probe +.type OPENSSL_vx_probe,@function +.align 16 +OPENSSL_vx_probe: + .word 0xe700,0x0000,0x0044 # vzero %v0 + br %r14 +.size OPENSSL_vx_probe,.-OPENSSL_vx_probe + .section .init brasl %r14,OPENSSL_cpuid_setup Index: openssl-1.1.0i/crypto/sha/asm/sha1-s390x.pl =================================================================== --- openssl-1.1.0i.orig/crypto/sha/asm/sha1-s390x.pl +++ openssl-1.1.0i/crypto/sha/asm/sha1-s390x.pl @@ -160,6 +160,8 @@ ___ } $code.=<<___; +#include "s390x_arch.h" + .text .align 64 .type Ktable,\@object @@ -172,7 +174,7 @@ sha1_block_data_order: ___ $code.=<<___ if ($kimdfunc); larl %r1,OPENSSL_s390xcap_P - lg %r0,16(%r1) # check kimd capabilities + lg %r0,S390X_KIMD(%r1) # check kimd capabilities tmhh %r0,`0x8000>>$kimdfunc` jz .Lsoftware lghi %r0,$kimdfunc Index: openssl-1.1.0i/crypto/sha/asm/sha512-s390x.pl =================================================================== --- openssl-1.1.0i.orig/crypto/sha/asm/sha512-s390x.pl +++ openssl-1.1.0i/crypto/sha/asm/sha512-s390x.pl @@ -170,6 +170,8 @@ ___ } $code.=<<___; +#include "s390x_arch.h" + .text .align 64 .type $Table,\@object @@ -244,7 +246,7 @@ $Func: ___ $code.=<<___ if ($kimdfunc); larl %r1,OPENSSL_s390xcap_P - lg %r0,16(%r1) # check kimd capabilities + lg %r0,S390X_KIMD(%r1) # check kimd capabilities tmhh %r0,`0x8000>>$kimdfunc` jz .Lsoftware lghi %r0,$kimdfunc Index: openssl-1.1.0i/crypto/sha/build.info =================================================================== --- openssl-1.1.0i.orig/crypto/sha/build.info +++ openssl-1.1.0i/crypto/sha/build.info @@ -56,6 +56,13 @@ INCLUDE[sha256-armv8.o]=.. GENERATE[sha512-armv8.S]=asm/sha512-armv8.pl $(PERLASM_SCHEME) INCLUDE[sha512-armv8.o]=.. +GENERATE[sha1-s390x.S]=asm/sha1-s390x.pl $(PERLASM_SCHEME) +INCLUDE[sha1-s390x.o]=.. +GENERATE[sha256-s390x.S]=asm/sha512-s390x.pl $(PERLASM_SCHEME) +INCLUDE[sha256-s390x.o]=.. +GENERATE[sha512-s390x.S]=asm/sha512-s390x.pl $(PERLASM_SCHEME) +INCLUDE[sha512-s390x.o]=.. + BEGINRAW[Makefile(unix)] ##### SHA assembler implementations
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