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Diffstat (limited to 'src/crypto/zinc/poly1305/poly1305-arm-glue.h')
-rw-r--r--src/crypto/zinc/poly1305/poly1305-arm-glue.h36
1 files changed, 16 insertions, 20 deletions
diff --git a/src/crypto/zinc/poly1305/poly1305-arm-glue.h b/src/crypto/zinc/poly1305/poly1305-arm-glue.h
index 9d34d21..15ad53f 100644
--- a/src/crypto/zinc/poly1305/poly1305-arm-glue.h
+++ b/src/crypto/zinc/poly1305/poly1305-arm-glue.h
@@ -10,11 +10,9 @@ asmlinkage void poly1305_init_arm(void *ctx, const u8 key[16]);
asmlinkage void poly1305_blocks_arm(void *ctx, const u8 *inp, const size_t len,
const u32 padbit);
asmlinkage void poly1305_emit_arm(void *ctx, u8 mac[16], const u32 nonce[4]);
-#if defined(CONFIG_KERNEL_MODE_NEON)
asmlinkage void poly1305_blocks_neon(void *ctx, const u8 *inp, const size_t len,
const u32 padbit);
asmlinkage void poly1305_emit_neon(void *ctx, u8 mac[16], const u32 nonce[4]);
-#endif
static bool poly1305_use_neon __ro_after_init;
@@ -52,7 +50,6 @@ struct poly1305_arch_internal {
};
#endif
-#if defined(CONFIG_KERNEL_MODE_NEON)
static void convert_to_base2_64(void *ctx)
{
struct poly1305_arch_internal *state = ctx;
@@ -68,10 +65,10 @@ static void convert_to_base2_64(void *ctx)
state->h0 = ((u64)state->h[2] << 52) | ((u64)state->h[1] << 26) | state->h[0];
state->h1 = ((u64)state->h[4] << 40) | ((u64)state->h[3] << 14) | (state->h[2] >> 12);
state->h2 = state->h[4] >> 24;
-#if defined(CONFIG_ARM) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
- state->h0 = rol64(state->h0, 32);
- state->h1 = rol64(state->h1, 32);
-#endif
+ if (IS_ENABLED(CONFIG_ARM) && IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) {
+ state->h0 = rol64(state->h0, 32);
+ state->h1 = rol64(state->h1, 32);
+ }
#define ULT(a, b) ((a ^ ((a ^ b) | ((a - b) ^ b))) >> (sizeof(a) * 8 - 1))
cy = (state->h2 >> 2) + (state->h2 & ~3ULL);
state->h2 &= 3;
@@ -81,7 +78,6 @@ static void convert_to_base2_64(void *ctx)
#undef ULT
state->is_base2_26 = 0;
}
-#endif
static inline bool poly1305_init_arch(void *ctx,
const u8 key[POLY1305_KEY_SIZE])
@@ -94,13 +90,13 @@ static inline bool poly1305_blocks_arch(void *ctx, const u8 *inp,
const size_t len, const u32 padbit,
simd_context_t *simd_context)
{
-#if defined(CONFIG_KERNEL_MODE_NEON)
- if (poly1305_use_neon && simd_use(simd_context)) {
- poly1305_blocks_neon(ctx, inp, len, padbit);
- return true;
+ if (IS_ENABLED(CONFIG_KERNEL_MODE_NEON)) {
+ if (poly1305_use_neon && simd_use(simd_context)) {
+ poly1305_blocks_neon(ctx, inp, len, padbit);
+ return true;
+ }
+ convert_to_base2_64(ctx);
}
- convert_to_base2_64(ctx);
-#endif
poly1305_blocks_arm(ctx, inp, len, padbit);
return true;
@@ -110,13 +106,13 @@ static inline bool poly1305_emit_arch(void *ctx, u8 mac[POLY1305_MAC_SIZE],
const u32 nonce[4],
simd_context_t *simd_context)
{
-#if defined(CONFIG_KERNEL_MODE_NEON)
- if (poly1305_use_neon && simd_use(simd_context)) {
- poly1305_emit_neon(ctx, mac, nonce);
- return true;
+ if (IS_ENABLED(CONFIG_KERNEL_MODE_NEON)) {
+ if (poly1305_use_neon && simd_use(simd_context)) {
+ poly1305_emit_neon(ctx, mac, nonce);
+ return true;
+ }
+ convert_to_base2_64(ctx);
}
- convert_to_base2_64(ctx);
-#endif
poly1305_emit_arm(ctx, mac, nonce);
return true;