aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sparc
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2025-07-28 17:58:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2025-07-28 17:58:52 -0700
commit13150742b09e720fdf021de14cd2b98b37415a89 (patch)
treeb748355558f8077a2ce8cbc57712198aec45c715 /arch/sparc
parenta578dd095dfe8b56c167201d9aea43e47d27f807 (diff)
parentdebc1e5a431779c027a5752f247a4de2e4f702b2 (diff)
downloadlinux-13150742b09e720fdf021de14cd2b98b37415a89.tar.gz
Merge tag 'libcrypto-updates-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux
Pull crypto library updates from Eric Biggers: "This is the main crypto library pull request for 6.17. The main focus this cycle is on reorganizing the SHA-1 and SHA-2 code, providing high-quality library APIs for SHA-1 and SHA-2 including HMAC support, and establishing conventions for lib/crypto/ going forward: - Migrate the SHA-1 and SHA-512 code (and also SHA-384 which shares most of the SHA-512 code) into lib/crypto/. This includes both the generic and architecture-optimized code. Greatly simplify how the architecture-optimized code is integrated. Add an easy-to-use library API for each SHA variant, including HMAC support. Finally, reimplement the crypto_shash support on top of the library API. - Apply the same reorganization to the SHA-256 code (and also SHA-224 which shares most of the SHA-256 code). This is a somewhat smaller change, due to my earlier work on SHA-256. But this brings in all the same additional improvements that I made for SHA-1 and SHA-512. There are also some smaller changes: - Move the architecture-optimized ChaCha, Poly1305, and BLAKE2s code from arch/$(SRCARCH)/lib/crypto/ to lib/crypto/$(SRCARCH)/. For these algorithms it's just a move, not a full reorganization yet. - Fix the MIPS chacha-core.S to build with the clang assembler. - Fix the Poly1305 functions to work in all contexts. - Fix a performance regression in the x86_64 Poly1305 code. - Clean up the x86_64 SHA-NI optimized SHA-1 assembly code. Note that since the new organization of the SHA code is much simpler, the diffstat of this pull request is negative, despite the addition of new fully-documented library APIs for multiple SHA and HMAC-SHA variants. These APIs will allow further simplifications across the kernel as users start using them instead of the old-school crypto API. (I've already written a lot of such conversion patches, removing over 1000 more lines of code. But most of those will target 6.18 or later)" * tag 'libcrypto-updates-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux: (67 commits) lib/crypto: arm64/sha512-ce: Drop compatibility macros for older binutils lib/crypto: x86/sha1-ni: Convert to use rounds macros lib/crypto: x86/sha1-ni: Minor optimizations and cleanup crypto: sha1 - Remove sha1_base.h lib/crypto: x86/sha1: Migrate optimized code into library lib/crypto: sparc/sha1: Migrate optimized code into library lib/crypto: s390/sha1: Migrate optimized code into library lib/crypto: powerpc/sha1: Migrate optimized code into library lib/crypto: mips/sha1: Migrate optimized code into library lib/crypto: arm64/sha1: Migrate optimized code into library lib/crypto: arm/sha1: Migrate optimized code into library crypto: sha1 - Use same state format as legacy drivers crypto: sha1 - Wrap library and add HMAC support lib/crypto: sha1: Add HMAC support lib/crypto: sha1: Add SHA-1 library functions lib/crypto: sha1: Rename sha1_init() to sha1_init_raw() crypto: x86/sha1 - Rename conflicting symbol lib/crypto: sha2: Add hmac_sha*_init_usingrawkey() lib/crypto: arm/poly1305: Remove unneeded empty weak function lib/crypto: x86/poly1305: Fix performance regression on short messages ...
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/crypto/Kconfig20
-rw-r--r--arch/sparc/crypto/Makefile4
-rw-r--r--arch/sparc/crypto/sha1_asm.S72
-rw-r--r--arch/sparc/crypto/sha1_glue.c94
-rw-r--r--arch/sparc/crypto/sha512_asm.S102
-rw-r--r--arch/sparc/crypto/sha512_glue.c122
-rw-r--r--arch/sparc/lib/Makefile1
-rw-r--r--arch/sparc/lib/crypto/Kconfig8
-rw-r--r--arch/sparc/lib/crypto/Makefile4
-rw-r--r--arch/sparc/lib/crypto/sha256.c64
-rw-r--r--arch/sparc/lib/crypto/sha256_asm.S78
11 files changed, 0 insertions, 569 deletions
diff --git a/arch/sparc/crypto/Kconfig b/arch/sparc/crypto/Kconfig
index a6ba319c42dce4..f5b2e720fec3c1 100644
--- a/arch/sparc/crypto/Kconfig
+++ b/arch/sparc/crypto/Kconfig
@@ -26,26 +26,6 @@ config CRYPTO_MD5_SPARC64
Architecture: sparc64 using crypto instructions, when available
-config CRYPTO_SHA1_SPARC64
- tristate "Hash functions: SHA-1"
- depends on SPARC64
- select CRYPTO_SHA1
- select CRYPTO_HASH
- help
- SHA-1 secure hash algorithm (FIPS 180)
-
- Architecture: sparc64
-
-config CRYPTO_SHA512_SPARC64
- tristate "Hash functions: SHA-384 and SHA-512"
- depends on SPARC64
- select CRYPTO_SHA512
- select CRYPTO_HASH
- help
- SHA-384 and SHA-512 secure hash algorithms (FIPS 180)
-
- Architecture: sparc64 using crypto instructions, when available
-
config CRYPTO_AES_SPARC64
tristate "Ciphers: AES, modes: ECB, CBC, CTR"
depends on SPARC64
diff --git a/arch/sparc/crypto/Makefile b/arch/sparc/crypto/Makefile
index 701c39edb0d733..0d05a17988c4cd 100644
--- a/arch/sparc/crypto/Makefile
+++ b/arch/sparc/crypto/Makefile
@@ -3,16 +3,12 @@
# Arch-specific CryptoAPI modules.
#
-obj-$(CONFIG_CRYPTO_SHA1_SPARC64) += sha1-sparc64.o
-obj-$(CONFIG_CRYPTO_SHA512_SPARC64) += sha512-sparc64.o
obj-$(CONFIG_CRYPTO_MD5_SPARC64) += md5-sparc64.o
obj-$(CONFIG_CRYPTO_AES_SPARC64) += aes-sparc64.o
obj-$(CONFIG_CRYPTO_DES_SPARC64) += des-sparc64.o
obj-$(CONFIG_CRYPTO_CAMELLIA_SPARC64) += camellia-sparc64.o
-sha1-sparc64-y := sha1_asm.o sha1_glue.o
-sha512-sparc64-y := sha512_asm.o sha512_glue.o
md5-sparc64-y := md5_asm.o md5_glue.o
aes-sparc64-y := aes_asm.o aes_glue.o
diff --git a/arch/sparc/crypto/sha1_asm.S b/arch/sparc/crypto/sha1_asm.S
deleted file mode 100644
index 00b46bac1b08f6..00000000000000
--- a/arch/sparc/crypto/sha1_asm.S
+++ /dev/null
@@ -1,72 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#include <linux/linkage.h>
-#include <asm/opcodes.h>
-#include <asm/visasm.h>
-
-ENTRY(sha1_sparc64_transform)
- /* %o0 = digest, %o1 = data, %o2 = rounds */
- VISEntryHalf
- ld [%o0 + 0x00], %f0
- ld [%o0 + 0x04], %f1
- ld [%o0 + 0x08], %f2
- andcc %o1, 0x7, %g0
- ld [%o0 + 0x0c], %f3
- bne,pn %xcc, 10f
- ld [%o0 + 0x10], %f4
-
-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
-
- SHA1
-
- 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]
- 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
-
- SHA1
-
- subcc %o2, 1, %o2
- fsrc2 %f26, %f10
- bne,pt %xcc, 1b
- add %o1, 0x40, %o1
-
- ba,a,pt %xcc, 5b
-ENDPROC(sha1_sparc64_transform)
diff --git a/arch/sparc/crypto/sha1_glue.c b/arch/sparc/crypto/sha1_glue.c
deleted file mode 100644
index ef19d5023b1bc3..00000000000000
--- a/arch/sparc/crypto/sha1_glue.c
+++ /dev/null
@@ -1,94 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/* Glue code for SHA1 hashing optimized for sparc64 crypto opcodes.
- *
- * This is based largely upon arch/x86/crypto/sha1_ssse3_glue.c
- *
- * Copyright (c) Alan Smithee.
- * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
- * Copyright (c) Jean-Francois Dive <jef@linuxbe.org>
- * Copyright (c) Mathias Krause <minipli@googlemail.com>
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <asm/elf.h>
-#include <asm/opcodes.h>
-#include <asm/pstate.h>
-#include <crypto/internal/hash.h>
-#include <crypto/sha1.h>
-#include <crypto/sha1_base.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-
-asmlinkage void sha1_sparc64_transform(struct sha1_state *digest,
- const u8 *data, int rounds);
-
-static int sha1_sparc64_update(struct shash_desc *desc, const u8 *data,
- unsigned int len)
-{
- return sha1_base_do_update_blocks(desc, data, len,
- sha1_sparc64_transform);
-}
-
-/* Add padding and return the message digest. */
-static int sha1_sparc64_finup(struct shash_desc *desc, const u8 *src,
- unsigned int len, u8 *out)
-{
- sha1_base_do_finup(desc, src, len, sha1_sparc64_transform);
- return sha1_base_finish(desc, out);
-}
-
-static struct shash_alg alg = {
- .digestsize = SHA1_DIGEST_SIZE,
- .init = sha1_base_init,
- .update = sha1_sparc64_update,
- .finup = sha1_sparc64_finup,
- .descsize = SHA1_STATE_SIZE,
- .base = {
- .cra_name = "sha1",
- .cra_driver_name= "sha1-sparc64",
- .cra_priority = SPARC_CR_OPCODE_PRIORITY,
- .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY,
- .cra_blocksize = SHA1_BLOCK_SIZE,
- .cra_module = THIS_MODULE,
- }
-};
-
-static bool __init sparc64_has_sha1_opcode(void)
-{
- unsigned long cfr;
-
- if (!(sparc64_elf_hwcap & HWCAP_SPARC_CRYPTO))
- return false;
-
- __asm__ __volatile__("rd %%asr26, %0" : "=r" (cfr));
- if (!(cfr & CFR_SHA1))
- return false;
-
- return true;
-}
-
-static int __init sha1_sparc64_mod_init(void)
-{
- if (sparc64_has_sha1_opcode()) {
- pr_info("Using sparc64 sha1 opcode optimized SHA-1 implementation\n");
- return crypto_register_shash(&alg);
- }
- pr_info("sparc64 sha1 opcode not available.\n");
- return -ENODEV;
-}
-
-static void __exit sha1_sparc64_mod_fini(void)
-{
- crypto_unregister_shash(&alg);
-}
-
-module_init(sha1_sparc64_mod_init);
-module_exit(sha1_sparc64_mod_fini);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm, sparc64 sha1 opcode accelerated");
-
-MODULE_ALIAS_CRYPTO("sha1");
-
-#include "crop_devid.c"
diff --git a/arch/sparc/crypto/sha512_asm.S b/arch/sparc/crypto/sha512_asm.S
deleted file mode 100644
index 9932b4fe1b599c..00000000000000
--- a/arch/sparc/crypto/sha512_asm.S
+++ /dev/null
@@ -1,102 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#include <linux/linkage.h>
-#include <asm/opcodes.h>
-#include <asm/visasm.h>
-
-ENTRY(sha512_sparc64_transform)
- /* %o0 = digest, %o1 = data, %o2 = rounds */
- VISEntry
- ldd [%o0 + 0x00], %f0
- ldd [%o0 + 0x08], %f2
- ldd [%o0 + 0x10], %f4
- ldd [%o0 + 0x18], %f6
- ldd [%o0 + 0x20], %f8
- ldd [%o0 + 0x28], %f10
- andcc %o1, 0x7, %g0
- ldd [%o0 + 0x30], %f12
- bne,pn %xcc, 10f
- ldd [%o0 + 0x38], %f14
-
-1:
- ldd [%o1 + 0x00], %f16
- ldd [%o1 + 0x08], %f18
- ldd [%o1 + 0x10], %f20
- ldd [%o1 + 0x18], %f22
- ldd [%o1 + 0x20], %f24
- ldd [%o1 + 0x28], %f26
- ldd [%o1 + 0x30], %f28
- ldd [%o1 + 0x38], %f30
- ldd [%o1 + 0x40], %f32
- ldd [%o1 + 0x48], %f34
- ldd [%o1 + 0x50], %f36
- ldd [%o1 + 0x58], %f38
- ldd [%o1 + 0x60], %f40
- ldd [%o1 + 0x68], %f42
- ldd [%o1 + 0x70], %f44
- ldd [%o1 + 0x78], %f46
-
- SHA512
-
- subcc %o2, 1, %o2
- bne,pt %xcc, 1b
- add %o1, 0x80, %o1
-
-5:
- std %f0, [%o0 + 0x00]
- std %f2, [%o0 + 0x08]
- std %f4, [%o0 + 0x10]
- std %f6, [%o0 + 0x18]
- std %f8, [%o0 + 0x20]
- std %f10, [%o0 + 0x28]
- std %f12, [%o0 + 0x30]
- std %f14, [%o0 + 0x38]
- retl
- VISExit
-10:
- alignaddr %o1, %g0, %o1
-
- ldd [%o1 + 0x00], %f18
-1:
- ldd [%o1 + 0x08], %f20
- ldd [%o1 + 0x10], %f22
- ldd [%o1 + 0x18], %f24
- ldd [%o1 + 0x20], %f26
- ldd [%o1 + 0x28], %f28
- ldd [%o1 + 0x30], %f30
- ldd [%o1 + 0x38], %f32
- ldd [%o1 + 0x40], %f34
- ldd [%o1 + 0x48], %f36
- ldd [%o1 + 0x50], %f38
- ldd [%o1 + 0x58], %f40
- ldd [%o1 + 0x60], %f42
- ldd [%o1 + 0x68], %f44
- ldd [%o1 + 0x70], %f46
- ldd [%o1 + 0x78], %f48
- ldd [%o1 + 0x80], %f50
-
- faligndata %f18, %f20, %f16
- faligndata %f20, %f22, %f18
- faligndata %f22, %f24, %f20
- faligndata %f24, %f26, %f22
- faligndata %f26, %f28, %f24
- faligndata %f28, %f30, %f26
- faligndata %f30, %f32, %f28
- faligndata %f32, %f34, %f30
- faligndata %f34, %f36, %f32
- faligndata %f36, %f38, %f34
- faligndata %f38, %f40, %f36
- faligndata %f40, %f42, %f38
- faligndata %f42, %f44, %f40
- faligndata %f44, %f46, %f42
- faligndata %f46, %f48, %f44
- faligndata %f48, %f50, %f46
-
- SHA512
-
- subcc %o2, 1, %o2
- fsrc2 %f50, %f18
- bne,pt %xcc, 1b
- add %o1, 0x80, %o1
-
- ba,a,pt %xcc, 5b
-ENDPROC(sha512_sparc64_transform)
diff --git a/arch/sparc/crypto/sha512_glue.c b/arch/sparc/crypto/sha512_glue.c
deleted file mode 100644
index 47b9277b6877a8..00000000000000
--- a/arch/sparc/crypto/sha512_glue.c
+++ /dev/null
@@ -1,122 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/* Glue code for SHA512 hashing optimized for sparc64 crypto opcodes.
- *
- * This is based largely upon crypto/sha512_generic.c
- *
- * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com>
- * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
- * Copyright (c) 2003 Kyle McMartin <kyle@debian.org>
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <asm/elf.h>
-#include <asm/opcodes.h>
-#include <asm/pstate.h>
-#include <crypto/internal/hash.h>
-#include <crypto/sha2.h>
-#include <crypto/sha512_base.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-
-asmlinkage void sha512_sparc64_transform(u64 *digest, const char *data,
- unsigned int rounds);
-
-static void sha512_block(struct sha512_state *sctx, const u8 *src, int blocks)
-{
- sha512_sparc64_transform(sctx->state, src, blocks);
-}
-
-static int sha512_sparc64_update(struct shash_desc *desc, const u8 *data,
- unsigned int len)
-{
- return sha512_base_do_update_blocks(desc, data, len, sha512_block);
-}
-
-static int sha512_sparc64_finup(struct shash_desc *desc, const u8 *src,
- unsigned int len, u8 *out)
-{
- sha512_base_do_finup(desc, src, len, sha512_block);
- return sha512_base_finish(desc, out);
-}
-
-static struct shash_alg sha512 = {
- .digestsize = SHA512_DIGEST_SIZE,
- .init = sha512_base_init,
- .update = sha512_sparc64_update,
- .finup = sha512_sparc64_finup,
- .descsize = SHA512_STATE_SIZE,
- .base = {
- .cra_name = "sha512",
- .cra_driver_name= "sha512-sparc64",
- .cra_priority = SPARC_CR_OPCODE_PRIORITY,
- .cra_blocksize = SHA512_BLOCK_SIZE,
- .cra_module = THIS_MODULE,
- }
-};
-
-static struct shash_alg sha384 = {
- .digestsize = SHA384_DIGEST_SIZE,
- .init = sha384_base_init,
- .update = sha512_sparc64_update,
- .finup = sha512_sparc64_finup,
- .descsize = SHA512_STATE_SIZE,
- .base = {
- .cra_name = "sha384",
- .cra_driver_name= "sha384-sparc64",
- .cra_priority = SPARC_CR_OPCODE_PRIORITY,
- .cra_blocksize = SHA384_BLOCK_SIZE,
- .cra_module = THIS_MODULE,
- }
-};
-
-static bool __init sparc64_has_sha512_opcode(void)
-{
- unsigned long cfr;
-
- if (!(sparc64_elf_hwcap & HWCAP_SPARC_CRYPTO))
- return false;
-
- __asm__ __volatile__("rd %%asr26, %0" : "=r" (cfr));
- if (!(cfr & CFR_SHA512))
- return false;
-
- return true;
-}
-
-static int __init sha512_sparc64_mod_init(void)
-{
- if (sparc64_has_sha512_opcode()) {
- int ret = crypto_register_shash(&sha384);
- if (ret < 0)
- return ret;
-
- ret = crypto_register_shash(&sha512);
- if (ret < 0) {
- crypto_unregister_shash(&sha384);
- return ret;
- }
-
- pr_info("Using sparc64 sha512 opcode optimized SHA-512/SHA-384 implementation\n");
- return 0;
- }
- pr_info("sparc64 sha512 opcode not available.\n");
- return -ENODEV;
-}
-
-static void __exit sha512_sparc64_mod_fini(void)
-{
- crypto_unregister_shash(&sha384);
- crypto_unregister_shash(&sha512);
-}
-
-module_init(sha512_sparc64_mod_init);
-module_exit(sha512_sparc64_mod_fini);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("SHA-384 and SHA-512 Secure Hash Algorithm, sparc64 sha512 opcode accelerated");
-
-MODULE_ALIAS_CRYPTO("sha384");
-MODULE_ALIAS_CRYPTO("sha512");
-
-#include "crop_devid.c"
diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
index 2d6c3c53527348..ee5091dd67ed77 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
diff --git a/arch/sparc/lib/crypto/Kconfig b/arch/sparc/lib/crypto/Kconfig
deleted file mode 100644
index e5c3e4d3dba622..00000000000000
--- 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 75ee244ad6f79a..00000000000000
--- 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 8bdec2db08b307..00000000000000
--- 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 ddcdd3daf31e3f..00000000000000
--- 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)
generated by cgit 1.2.3-korg (git 2.43.0) at 2025-12-01 07:22:56 +0000