diff options
Diffstat (limited to 'cipher/blowfish-arm.S')
| -rw-r--r-- | cipher/blowfish-arm.S | 216 |
1 files changed, 108 insertions, 108 deletions
diff --git a/cipher/blowfish-arm.S b/cipher/blowfish-arm.S index b30aa31f..a5101b5c 100644 --- a/cipher/blowfish-arm.S +++ b/cipher/blowfish-arm.S @@ -36,24 +36,24 @@ #define p (s3 + (1 * 256) * 4) /* register macros */ -#define CTXs0 %r0 -#define CTXs1 %r9 -#define CTXs2 %r8 -#define CTXs3 %r10 -#define RMASK %lr -#define RKEYL %r2 -#define RKEYR %ip +#define CTXs0 r0 +#define CTXs1 r9 +#define CTXs2 r8 +#define CTXs3 r10 +#define RMASK lr +#define RKEYL r2 +#define RKEYR ip -#define RL0 %r3 -#define RR0 %r4 +#define RL0 r3 +#define RR0 r4 -#define RL1 %r9 -#define RR1 %r10 +#define RL1 r9 +#define RR1 r10 -#define RT0 %r11 -#define RT1 %r7 -#define RT2 %r5 -#define RT3 %r6 +#define RT0 r11 +#define RT1 r7 +#define RT2 r5 +#define RT3 r6 /* helper macros */ #define ldr_unaligned_le(rout, rsrc, offs, rtmp) \ @@ -250,7 +250,7 @@ __blowfish_enc_blk1: * output: * [RR0, RL0]: dst */ - push {%lr}; + push {lr}; add CTXs1, CTXs0, #(s1 - s0); add CTXs2, CTXs0, #(s2 - s0); @@ -268,7 +268,7 @@ __blowfish_enc_blk1: round_enc(16); add_roundkey_enc(); - pop {%pc}; + pop {pc}; .size __blowfish_enc_blk1,.-__blowfish_enc_blk1; .align 8 @@ -277,22 +277,22 @@ __blowfish_enc_blk1: _gcry_blowfish_arm_do_encrypt: /* input: - * %r0: ctx, CTX - * %r1: u32 *ret_xl - * %r2: u32 *ret_xr + * r0: ctx, CTX + * r1: u32 *ret_xl + * r2: u32 *ret_xr */ - push {%r2, %r4-%r11, %ip, %lr}; + push {r2, r4-r11, ip, lr}; - ldr RL0, [%r1]; - ldr RR0, [%r2]; + ldr RL0, [r1]; + ldr RR0, [r2]; bl __blowfish_enc_blk1; - pop {%r2}; - str RR0, [%r1]; - str RL0, [%r2]; + pop {r2}; + str RR0, [r1]; + str RL0, [r2]; - pop {%r4-%r11, %ip, %pc}; + pop {r4-r11, ip, pc}; .size _gcry_blowfish_arm_do_encrypt,.-_gcry_blowfish_arm_do_encrypt; .align 3 @@ -301,19 +301,19 @@ _gcry_blowfish_arm_do_encrypt: _gcry_blowfish_arm_encrypt_block: /* input: - * %r0: ctx, CTX - * %r1: dst - * %r2: src + * r0: ctx, CTX + * r1: dst + * r2: src */ - push {%r4-%r11, %ip, %lr}; + push {r4-r11, ip, lr}; - read_block(%r2, 0, RL0, RR0, RT0); + read_block(r2, 0, RL0, RR0, RT0); bl __blowfish_enc_blk1; - write_block(%r1, 0, RR0, RL0, RT0, RT1); + write_block(r1, 0, RR0, RL0, RT0, RT1); - pop {%r4-%r11, %ip, %pc}; + pop {r4-r11, ip, pc}; .size _gcry_blowfish_arm_encrypt_block,.-_gcry_blowfish_arm_encrypt_block; .align 3 @@ -322,18 +322,18 @@ _gcry_blowfish_arm_encrypt_block: _gcry_blowfish_arm_decrypt_block: /* input: - * %r0: ctx, CTX - * %r1: dst - * %r2: src + * r0: ctx, CTX + * r1: dst + * r2: src */ - push {%r4-%r11, %ip, %lr}; + push {r4-r11, ip, lr}; add CTXs1, CTXs0, #(s1 - s0); add CTXs2, CTXs0, #(s2 - s0); mov RMASK, #(0xff << 2); /* byte mask */ add CTXs3, CTXs1, #(s3 - s1); - read_block(%r2, 0, RL0, RR0, RT0); + read_block(r2, 0, RL0, RR0, RT0); load_roundkey_dec(17); round_dec(15); @@ -346,9 +346,9 @@ _gcry_blowfish_arm_decrypt_block: round_dec(1); add_roundkey_dec(); - write_block(%r1, 0, RR0, RL0, RT0, RT1); + write_block(r1, 0, RR0, RL0, RT0, RT1); - pop {%r4-%r11, %ip, %pc}; + pop {r4-r11, ip, pc}; .size _gcry_blowfish_arm_decrypt_block,.-_gcry_blowfish_arm_decrypt_block; /*********************************************************************** @@ -548,7 +548,7 @@ _gcry_blowfish_arm_enc_blk2: * output: * [RR0, RL0], [RR1, RL1]: dst */ - push {RT0,%lr}; + push {RT0,lr}; add CTXs2, CTXs0, #(s2 - s0); mov RMASK, #(0xff << 2); /* byte mask */ @@ -568,7 +568,7 @@ _gcry_blowfish_arm_enc_blk2: host_to_be(RR1, RT0); host_to_be(RL1, RT0); - pop {RT0,%pc}; + pop {RT0,pc}; .size _gcry_blowfish_arm_enc_blk2,.-_gcry_blowfish_arm_enc_blk2; .align 3 @@ -577,40 +577,40 @@ _gcry_blowfish_arm_enc_blk2: _gcry_blowfish_arm_cfb_dec: /* input: - * %r0: CTX - * %r1: dst (2 blocks) - * %r2: src (2 blocks) - * %r3: iv (64bit) + * r0: CTX + * r1: dst (2 blocks) + * r2: src (2 blocks) + * r3: iv (64bit) */ - push {%r2, %r4-%r11, %ip, %lr}; + push {r2, r4-r11, ip, lr}; - mov %lr, %r3; + mov lr, r3; - /* Load input (iv/%r3 is aligned, src/%r2 might not be) */ - ldm %r3, {RL0, RR0}; + /* Load input (iv/r3 is aligned, src/r2 might not be) */ + ldm r3, {RL0, RR0}; host_to_be(RL0, RT0); host_to_be(RR0, RT0); - read_block(%r2, 0, RL1, RR1, RT0); + read_block(r2, 0, RL1, RR1, RT0); /* Update IV, load src[1] and save to iv[0] */ - read_block_host(%r2, 8, %r5, %r6, RT0); - stm %lr, {%r5, %r6}; + read_block_host(r2, 8, r5, r6, RT0); + stm lr, {r5, r6}; bl _gcry_blowfish_arm_enc_blk2; - /* result in RR0:RL0, RR1:RL1 = %r4:%r3, %r10:%r9 */ + /* result in RR0:RL0, RR1:RL1 = r4:r3, r10:r9 */ - /* %r1: dst, %r0: %src */ - pop {%r0}; + /* r1: dst, r0: src */ + pop {r0}; /* dst = src ^ result */ - read_block2_host(%r0, %r5, %r6, %r7, %r8, %lr); - eor %r5, %r4; - eor %r6, %r3; - eor %r7, %r10; - eor %r8, %r9; - write_block2_host(%r1, %r5, %r6, %r7, %r8, %r9, %r10); - - pop {%r4-%r11, %ip, %pc}; + read_block2_host(r0, r5, r6, r7, r8, lr); + eor r5, r4; + eor r6, r3; + eor r7, r10; + eor r8, r9; + write_block2_host(r1, r5, r6, r7, r8, r9, r10); + + pop {r4-r11, ip, pc}; .ltorg .size _gcry_blowfish_arm_cfb_dec,.-_gcry_blowfish_arm_cfb_dec; @@ -620,42 +620,42 @@ _gcry_blowfish_arm_cfb_dec: _gcry_blowfish_arm_ctr_enc: /* input: - * %r0: CTX - * %r1: dst (2 blocks) - * %r2: src (2 blocks) - * %r3: iv (64bit, big-endian) + * r0: CTX + * r1: dst (2 blocks) + * r2: src (2 blocks) + * r3: iv (64bit, big-endian) */ - push {%r2, %r4-%r11, %ip, %lr}; + push {r2, r4-r11, ip, lr}; - mov %lr, %r3; + mov lr, r3; /* Load IV (big => host endian) */ - read_block_aligned(%lr, 0, RL0, RR0, be_to_host, RT0); + read_block_aligned(lr, 0, RL0, RR0, be_to_host, RT0); /* Construct IVs */ adds RR1, RR0, #1; /* +1 */ adc RL1, RL0, #0; - adds %r6, RR1, #1; /* +2 */ - adc %r5, RL1, #0; + adds r6, RR1, #1; /* +2 */ + adc r5, RL1, #0; /* Store new IV (host => big-endian) */ - write_block_aligned(%lr, 0, %r5, %r6, host_to_be, RT0); + write_block_aligned(lr, 0, r5, r6, host_to_be, RT0); bl _gcry_blowfish_arm_enc_blk2; - /* result in RR0:RL0, RR1:RL1 = %r4:%r3, %r10:%r9 */ + /* result in RR0:RL0, RR1:RL1 = r4:r3, r10:r9 */ - /* %r1: dst, %r0: %src */ - pop {%r0}; + /* r1: dst, r0: src */ + pop {r0}; /* XOR key-stream with plaintext */ - read_block2_host(%r0, %r5, %r6, %r7, %r8, %lr); - eor %r5, %r4; - eor %r6, %r3; - eor %r7, %r10; - eor %r8, %r9; - write_block2_host(%r1, %r5, %r6, %r7, %r8, %r9, %r10); - - pop {%r4-%r11, %ip, %pc}; + read_block2_host(r0, r5, r6, r7, r8, lr); + eor r5, r4; + eor r6, r3; + eor r7, r10; + eor r8, r9; + write_block2_host(r1, r5, r6, r7, r8, r9, r10); + + pop {r4-r11, ip, pc}; .ltorg .size _gcry_blowfish_arm_ctr_enc,.-_gcry_blowfish_arm_ctr_enc; @@ -697,45 +697,45 @@ _gcry_blowfish_arm_dec_blk2: _gcry_blowfish_arm_cbc_dec: /* input: - * %r0: CTX - * %r1: dst (2 blocks) - * %r2: src (2 blocks) - * %r3: iv (64bit) + * r0: CTX + * r1: dst (2 blocks) + * r2: src (2 blocks) + * r3: iv (64bit) */ - push {%r2-%r11, %ip, %lr}; + push {r2-r11, ip, lr}; - read_block2(%r2, RL0, RR0, RL1, RR1, RT0); + read_block2(r2, RL0, RR0, RL1, RR1, RT0); /* dec_blk2 is only used by cbc_dec, jump directly in/out instead * of function call. */ b _gcry_blowfish_arm_dec_blk2; .Ldec_cbc_tail: - /* result in RR0:RL0, RR1:RL1 = %r4:%r3, %r10:%r9 */ + /* result in RR0:RL0, RR1:RL1 = r4:r3, r10:r9 */ - /* %r0: %src, %r1: dst, %r2: iv */ - pop {%r0, %r2}; + /* r0: src, r1: dst, r2: iv */ + pop {r0, r2}; - /* load IV+1 (src[0]) to %r7:%r8. Might be unaligned. */ - read_block_host(%r0, 0, %r7, %r8, %r5); - /* load IV (iv[0]) to %r5:%r6. 'iv' is aligned. */ - ldm %r2, {%r5, %r6}; + /* load IV+1 (src[0]) to r7:r8. Might be unaligned. */ + read_block_host(r0, 0, r7, r8, r5); + /* load IV (iv[0]) to r5:r6. 'iv' is aligned. */ + ldm r2, {r5, r6}; /* out[1] ^= IV+1 */ - eor %r10, %r7; - eor %r9, %r8; + eor r10, r7; + eor r9, r8; /* out[0] ^= IV */ - eor %r4, %r5; - eor %r3, %r6; + eor r4, r5; + eor r3, r6; - /* load IV+2 (src[1]) to %r7:%r8. Might be unaligned. */ - read_block_host(%r0, 8, %r7, %r8, %r5); + /* load IV+2 (src[1]) to r7:r8. Might be unaligned. */ + read_block_host(r0, 8, r7, r8, r5); /* store IV+2 to iv[0] (aligned). */ - stm %r2, {%r7, %r8}; + stm r2, {r7, r8}; /* store result to dst[0-3]. Might be unaligned. */ - write_block2_host(%r1, %r4, %r3, %r10, %r9, %r5, %r6); + write_block2_host(r1, r4, r3, r10, r9, r5, r6); - pop {%r4-%r11, %ip, %pc}; + pop {r4-r11, ip, pc}; .ltorg .size _gcry_blowfish_arm_cbc_dec,.-_gcry_blowfish_arm_cbc_dec; |