diff options
Diffstat (limited to 'arch/sparc/lib')
| -rw-r--r-- | arch/sparc/lib/Makefile | 3 | ||||
| -rw-r--r-- | arch/sparc/lib/crc32.c | 93 | ||||
| -rw-r--r-- | arch/sparc/lib/crc32c_asm.S | 20 | ||||
| -rw-r--r-- | arch/sparc/lib/crypto/Kconfig | 8 | ||||
| -rw-r--r-- | arch/sparc/lib/crypto/Makefile | 4 | ||||
| -rw-r--r-- | arch/sparc/lib/crypto/sha256.c | 64 | ||||
| -rw-r--r-- | arch/sparc/lib/crypto/sha256_asm.S | 78 |
7 files changed, 0 insertions, 270 deletions
diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile index 5cf9781d68b4..ee5091dd67ed 100644 --- a/arch/sparc/lib/Makefile +++ b/arch/sparc/lib/Makefile @@ -4,7 +4,6 @@ asflags-y := -ansi -DST_DIV0=0x02 -obj-y += crypto/ lib-$(CONFIG_SPARC32) += ashrdi3.o lib-$(CONFIG_SPARC32) += memcpy.o memset.o lib-y += strlen.o @@ -54,5 +53,3 @@ lib-$(CONFIG_SPARC64) += mcount.o ipcsum.o xor.o hweight.o ffs.o obj-$(CONFIG_SPARC64) += iomap.o obj-$(CONFIG_SPARC32) += atomic32.o obj-$(CONFIG_SPARC64) += PeeCeeI.o -obj-$(CONFIG_CRC32_ARCH) += crc32-sparc.o -crc32-sparc-y := crc32.o crc32c_asm.o diff --git a/arch/sparc/lib/crc32.c b/arch/sparc/lib/crc32.c deleted file mode 100644 index 40d4720a42a1..000000000000 --- a/arch/sparc/lib/crc32.c +++ /dev/null @@ -1,93 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* CRC32c (Castagnoli), sparc64 crc32c opcode accelerated - * - * This is based largely upon arch/x86/crypto/crc32c-intel.c - * - * Copyright (C) 2008 Intel Corporation - * Authors: Austin Zhang <austin_zhang@linux.intel.com> - * Kent Liu <kent.liu@intel.com> - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/crc32.h> -#include <asm/pstate.h> -#include <asm/elf.h> - -static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_crc32c_opcode); - -u32 crc32_le_arch(u32 crc, const u8 *data, size_t len) -{ - return crc32_le_base(crc, data, len); -} -EXPORT_SYMBOL(crc32_le_arch); - -void crc32c_sparc64(u32 *crcp, const u64 *data, size_t len); - -u32 crc32c_arch(u32 crc, const u8 *data, size_t len) -{ - size_t n = -(uintptr_t)data & 7; - - if (!static_branch_likely(&have_crc32c_opcode)) - return crc32c_base(crc, data, len); - - if (n) { - /* Data isn't 8-byte aligned. Align it. */ - n = min(n, len); - crc = crc32c_base(crc, data, n); - data += n; - len -= n; - } - n = len & ~7U; - if (n) { - crc32c_sparc64(&crc, (const u64 *)data, n); - data += n; - len -= n; - } - if (len) - crc = crc32c_base(crc, data, len); - return crc; -} -EXPORT_SYMBOL(crc32c_arch); - -u32 crc32_be_arch(u32 crc, const u8 *data, size_t len) -{ - return crc32_be_base(crc, data, len); -} -EXPORT_SYMBOL(crc32_be_arch); - -static int __init crc32_sparc_init(void) -{ - unsigned long cfr; - - if (!(sparc64_elf_hwcap & HWCAP_SPARC_CRYPTO)) - return 0; - - __asm__ __volatile__("rd %%asr26, %0" : "=r" (cfr)); - if (!(cfr & CFR_CRC32C)) - return 0; - - static_branch_enable(&have_crc32c_opcode); - pr_info("Using sparc64 crc32c opcode optimized CRC32C implementation\n"); - return 0; -} -subsys_initcall(crc32_sparc_init); - -static void __exit crc32_sparc_exit(void) -{ -} -module_exit(crc32_sparc_exit); - -u32 crc32_optimizations(void) -{ - if (static_key_enabled(&have_crc32c_opcode)) - return CRC32C_OPTIMIZATION; - return 0; -} -EXPORT_SYMBOL(crc32_optimizations); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("CRC32c (Castagnoli), sparc64 crc32c opcode accelerated"); diff --git a/arch/sparc/lib/crc32c_asm.S b/arch/sparc/lib/crc32c_asm.S deleted file mode 100644 index 4db873850f44..000000000000 --- a/arch/sparc/lib/crc32c_asm.S +++ /dev/null @@ -1,20 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#include <linux/linkage.h> -#include <asm/opcodes.h> -#include <asm/visasm.h> -#include <asm/asi.h> - -ENTRY(crc32c_sparc64) - /* %o0=crc32p, %o1=data_ptr, %o2=len */ - VISEntryHalf - lda [%o0] ASI_PL, %f1 -1: ldd [%o1], %f2 - CRC32C(0,2,0) - subcc %o2, 8, %o2 - bne,pt %icc, 1b - add %o1, 0x8, %o1 - sta %f1, [%o0] ASI_PL - VISExitHalf -2: retl - nop -ENDPROC(crc32c_sparc64) diff --git a/arch/sparc/lib/crypto/Kconfig b/arch/sparc/lib/crypto/Kconfig deleted file mode 100644 index e5c3e4d3dba6..000000000000 --- a/arch/sparc/lib/crypto/Kconfig +++ /dev/null @@ -1,8 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only - -config CRYPTO_SHA256_SPARC64 - tristate - depends on SPARC64 - default CRYPTO_LIB_SHA256 - select CRYPTO_ARCH_HAVE_LIB_SHA256 - select CRYPTO_LIB_SHA256_GENERIC diff --git a/arch/sparc/lib/crypto/Makefile b/arch/sparc/lib/crypto/Makefile deleted file mode 100644 index 75ee244ad6f7..000000000000 --- a/arch/sparc/lib/crypto/Makefile +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only - -obj-$(CONFIG_CRYPTO_SHA256_SPARC64) += sha256-sparc64.o -sha256-sparc64-y := sha256.o sha256_asm.o diff --git a/arch/sparc/lib/crypto/sha256.c b/arch/sparc/lib/crypto/sha256.c deleted file mode 100644 index 8bdec2db08b3..000000000000 --- a/arch/sparc/lib/crypto/sha256.c +++ /dev/null @@ -1,64 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * SHA-256 accelerated using the sparc64 sha256 opcodes - * - * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com> - * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk> - * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> - * SHA224 Support Copyright 2007 Intel Corporation <jonathan.lynch@intel.com> - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <asm/elf.h> -#include <asm/opcodes.h> -#include <asm/pstate.h> -#include <crypto/internal/sha2.h> -#include <linux/kernel.h> -#include <linux/module.h> - -static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_sha256_opcodes); - -asmlinkage void sha256_sparc64_transform(u32 state[SHA256_STATE_WORDS], - const u8 *data, size_t nblocks); - -void sha256_blocks_arch(u32 state[SHA256_STATE_WORDS], - const u8 *data, size_t nblocks) -{ - if (static_branch_likely(&have_sha256_opcodes)) - sha256_sparc64_transform(state, data, nblocks); - else - sha256_blocks_generic(state, data, nblocks); -} -EXPORT_SYMBOL_GPL(sha256_blocks_arch); - -bool sha256_is_arch_optimized(void) -{ - return static_key_enabled(&have_sha256_opcodes); -} -EXPORT_SYMBOL_GPL(sha256_is_arch_optimized); - -static int __init sha256_sparc64_mod_init(void) -{ - unsigned long cfr; - - if (!(sparc64_elf_hwcap & HWCAP_SPARC_CRYPTO)) - return 0; - - __asm__ __volatile__("rd %%asr26, %0" : "=r" (cfr)); - if (!(cfr & CFR_SHA256)) - return 0; - - static_branch_enable(&have_sha256_opcodes); - pr_info("Using sparc64 sha256 opcode optimized SHA-256/SHA-224 implementation\n"); - return 0; -} -subsys_initcall(sha256_sparc64_mod_init); - -static void __exit sha256_sparc64_mod_exit(void) -{ -} -module_exit(sha256_sparc64_mod_exit); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("SHA-256 accelerated using the sparc64 sha256 opcodes"); diff --git a/arch/sparc/lib/crypto/sha256_asm.S b/arch/sparc/lib/crypto/sha256_asm.S deleted file mode 100644 index ddcdd3daf31e..000000000000 --- a/arch/sparc/lib/crypto/sha256_asm.S +++ /dev/null @@ -1,78 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#include <linux/linkage.h> -#include <asm/opcodes.h> -#include <asm/visasm.h> - -ENTRY(sha256_sparc64_transform) - /* %o0 = state, %o1 = data, %o2 = nblocks */ - VISEntryHalf - ld [%o0 + 0x00], %f0 - ld [%o0 + 0x04], %f1 - ld [%o0 + 0x08], %f2 - ld [%o0 + 0x0c], %f3 - ld [%o0 + 0x10], %f4 - ld [%o0 + 0x14], %f5 - andcc %o1, 0x7, %g0 - ld [%o0 + 0x18], %f6 - bne,pn %xcc, 10f - ld [%o0 + 0x1c], %f7 - -1: - ldd [%o1 + 0x00], %f8 - ldd [%o1 + 0x08], %f10 - ldd [%o1 + 0x10], %f12 - ldd [%o1 + 0x18], %f14 - ldd [%o1 + 0x20], %f16 - ldd [%o1 + 0x28], %f18 - ldd [%o1 + 0x30], %f20 - ldd [%o1 + 0x38], %f22 - - SHA256 - - subcc %o2, 1, %o2 - bne,pt %xcc, 1b - add %o1, 0x40, %o1 - -5: - st %f0, [%o0 + 0x00] - st %f1, [%o0 + 0x04] - st %f2, [%o0 + 0x08] - st %f3, [%o0 + 0x0c] - st %f4, [%o0 + 0x10] - st %f5, [%o0 + 0x14] - st %f6, [%o0 + 0x18] - st %f7, [%o0 + 0x1c] - retl - VISExitHalf -10: - alignaddr %o1, %g0, %o1 - - ldd [%o1 + 0x00], %f10 -1: - ldd [%o1 + 0x08], %f12 - ldd [%o1 + 0x10], %f14 - ldd [%o1 + 0x18], %f16 - ldd [%o1 + 0x20], %f18 - ldd [%o1 + 0x28], %f20 - ldd [%o1 + 0x30], %f22 - ldd [%o1 + 0x38], %f24 - ldd [%o1 + 0x40], %f26 - - faligndata %f10, %f12, %f8 - faligndata %f12, %f14, %f10 - faligndata %f14, %f16, %f12 - faligndata %f16, %f18, %f14 - faligndata %f18, %f20, %f16 - faligndata %f20, %f22, %f18 - faligndata %f22, %f24, %f20 - faligndata %f24, %f26, %f22 - - SHA256 - - subcc %o2, 1, %o2 - fsrc2 %f26, %f10 - bne,pt %xcc, 1b - add %o1, 0x40, %o1 - - ba,a,pt %xcc, 5b -ENDPROC(sha256_sparc64_transform) |