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6dcc5627f6
These are all functions which are invoked from elsewhere, so annotate them as global using the new SYM_FUNC_START and their ENDPROC's by SYM_FUNC_END. Make sure ENTRY/ENDPROC is not defined on X86_64, given these were the last users. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> [hibernate] Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> [xen bits] Acked-by: Herbert Xu <herbert@gondor.apana.org.au> [crypto] Cc: Allison Randal <allison@lohutok.net> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Andy Shevchenko <andy@infradead.org> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Armijn Hemel <armijn@tjaldur.nl> Cc: Cao jin <caoj.fnst@cn.fujitsu.com> Cc: Darren Hart <dvhart@infradead.org> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Enrico Weigelt <info@metux.net> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jim Mattson <jmattson@google.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Juergen Gross <jgross@suse.com> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: kvm ML <kvm@vger.kernel.org> Cc: Len Brown <len.brown@intel.com> Cc: linux-arch@vger.kernel.org Cc: linux-crypto@vger.kernel.org Cc: linux-efi <linux-efi@vger.kernel.org> Cc: linux-efi@vger.kernel.org Cc: linux-pm@vger.kernel.org Cc: Mark Rutland <mark.rutland@arm.com> Cc: Matt Fleming <matt@codeblueprint.co.uk> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: Peter Zijlstra <peterz@infradead.org> Cc: platform-driver-x86@vger.kernel.org Cc: "Radim Krčmář" <rkrcmar@redhat.com> Cc: Sean Christopherson <sean.j.christopherson@intel.com> Cc: Stefano Stabellini <sstabellini@kernel.org> Cc: "Steven Rostedt (VMware)" <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vitaly Kuznetsov <vkuznets@redhat.com> Cc: Wanpeng Li <wanpengli@tencent.com> Cc: Wei Huang <wei@redhat.com> Cc: x86-ml <x86@kernel.org> Cc: xen-devel@lists.xenproject.org Cc: Xiaoyao Li <xiaoyao.li@linux.intel.com> Link: https://lkml.kernel.org/r/20191011115108.12392-25-jslaby@suse.cz
133 lines
2.7 KiB
ArmAsm
133 lines
2.7 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Accelerated GHASH implementation with Intel PCLMULQDQ-NI
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* instructions. This file contains accelerated part of ghash
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* implementation. More information about PCLMULQDQ can be found at:
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*
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* http://software.intel.com/en-us/articles/carry-less-multiplication-and-its-usage-for-computing-the-gcm-mode/
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*
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* Copyright (c) 2009 Intel Corp.
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* Author: Huang Ying <ying.huang@intel.com>
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* Vinodh Gopal
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* Erdinc Ozturk
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* Deniz Karakoyunlu
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*/
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#include <linux/linkage.h>
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#include <asm/inst.h>
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#include <asm/frame.h>
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.section .rodata.cst16.bswap_mask, "aM", @progbits, 16
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.align 16
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.Lbswap_mask:
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.octa 0x000102030405060708090a0b0c0d0e0f
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#define DATA %xmm0
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#define SHASH %xmm1
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#define T1 %xmm2
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#define T2 %xmm3
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#define T3 %xmm4
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#define BSWAP %xmm5
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#define IN1 %xmm6
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.text
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/*
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* __clmul_gf128mul_ble: internal ABI
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* input:
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* DATA: operand1
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* SHASH: operand2, hash_key << 1 mod poly
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* output:
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* DATA: operand1 * operand2 mod poly
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* changed:
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* T1
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* T2
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* T3
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*/
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SYM_FUNC_START_LOCAL(__clmul_gf128mul_ble)
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movaps DATA, T1
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pshufd $0b01001110, DATA, T2
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pshufd $0b01001110, SHASH, T3
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pxor DATA, T2
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pxor SHASH, T3
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PCLMULQDQ 0x00 SHASH DATA # DATA = a0 * b0
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PCLMULQDQ 0x11 SHASH T1 # T1 = a1 * b1
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PCLMULQDQ 0x00 T3 T2 # T2 = (a1 + a0) * (b1 + b0)
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pxor DATA, T2
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pxor T1, T2 # T2 = a0 * b1 + a1 * b0
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movaps T2, T3
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pslldq $8, T3
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psrldq $8, T2
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pxor T3, DATA
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pxor T2, T1 # <T1:DATA> is result of
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# carry-less multiplication
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# first phase of the reduction
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movaps DATA, T3
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psllq $1, T3
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pxor DATA, T3
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psllq $5, T3
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pxor DATA, T3
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psllq $57, T3
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movaps T3, T2
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pslldq $8, T2
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psrldq $8, T3
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pxor T2, DATA
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pxor T3, T1
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# second phase of the reduction
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movaps DATA, T2
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psrlq $5, T2
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pxor DATA, T2
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psrlq $1, T2
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pxor DATA, T2
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psrlq $1, T2
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pxor T2, T1
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pxor T1, DATA
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ret
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SYM_FUNC_END(__clmul_gf128mul_ble)
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/* void clmul_ghash_mul(char *dst, const u128 *shash) */
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SYM_FUNC_START(clmul_ghash_mul)
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FRAME_BEGIN
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movups (%rdi), DATA
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movups (%rsi), SHASH
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movaps .Lbswap_mask, BSWAP
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PSHUFB_XMM BSWAP DATA
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call __clmul_gf128mul_ble
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PSHUFB_XMM BSWAP DATA
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movups DATA, (%rdi)
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FRAME_END
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ret
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SYM_FUNC_END(clmul_ghash_mul)
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/*
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* void clmul_ghash_update(char *dst, const char *src, unsigned int srclen,
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* const u128 *shash);
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*/
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SYM_FUNC_START(clmul_ghash_update)
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FRAME_BEGIN
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cmp $16, %rdx
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jb .Lupdate_just_ret # check length
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movaps .Lbswap_mask, BSWAP
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movups (%rdi), DATA
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movups (%rcx), SHASH
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PSHUFB_XMM BSWAP DATA
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.align 4
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.Lupdate_loop:
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movups (%rsi), IN1
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PSHUFB_XMM BSWAP IN1
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pxor IN1, DATA
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call __clmul_gf128mul_ble
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sub $16, %rdx
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add $16, %rsi
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cmp $16, %rdx
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jge .Lupdate_loop
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PSHUFB_XMM BSWAP DATA
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movups DATA, (%rdi)
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.Lupdate_just_ret:
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FRAME_END
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ret
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SYM_FUNC_END(clmul_ghash_update)
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