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crypto: x86/des3 - Use RIP-relative addressing

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Prefer RIP-relative addressing where possible, which removes the need
for boot time relocation fixups.

Co-developed-by: Thomas Garnier <thgarnie@chromium.org>
Signed-off-by: Thomas Garnier <thgarnie@chromium.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Ard Biesheuvel 2023-04-12 13:00:30 +02:00 • committed by Herbert Xu
parent 3b519dc878
commit 3695536028
1 changed files with 64 additions and 32 deletions
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96
arch/x86/crypto/des3_ede-asm_64.S
View file

@ -129,21 +129,29 @@
movzbl RW0bl, RT2d; \
movzbl RW0bh, RT3d; \
shrq $16, RW0; \
movq s8(, RT0, 8), RT0; \
xorq s6(, RT1, 8), to; \
leaq s8(%rip), RW1; \
movq (RW1, RT0, 8), RT0; \
leaq s6(%rip), RW1; \
xorq (RW1, RT1, 8), to; \
movzbl RW0bl, RL1d; \
movzbl RW0bh, RT1d; \
shrl $16, RW0d; \
xorq s4(, RT2, 8), RT0; \
xorq s2(, RT3, 8), to; \
leaq s4(%rip), RW1; \
xorq (RW1, RT2, 8), RT0; \
leaq s2(%rip), RW1; \
xorq (RW1, RT3, 8), to; \
movzbl RW0bl, RT2d; \
movzbl RW0bh, RT3d; \
xorq s7(, RL1, 8), RT0; \
xorq s5(, RT1, 8), to; \
xorq s3(, RT2, 8), RT0; \
leaq s7(%rip), RW1; \
xorq (RW1, RL1, 8), RT0; \
leaq s5(%rip), RW1; \
xorq (RW1, RT1, 8), to; \
leaq s3(%rip), RW1; \
xorq (RW1, RT2, 8), RT0; \
load_next_key(n, RW0); \
xorq RT0, to; \
xorq s1(, RT3, 8), to; \
leaq s1(%rip), RW1; \
xorq (RW1, RT3, 8), to; \
#define load_next_key(n, RWx) \
movq (((n) + 1) * 8)(CTX), RWx;
@ -355,65 +363,89 @@ SYM_FUNC_END(des3_ede_x86_64_crypt_blk)
movzbl RW0bl, RT3d; \
movzbl RW0bh, RT1d; \
shrq $16, RW0; \
xorq s8(, RT3, 8), to##0; \
xorq s6(, RT1, 8), to##0; \
leaq s8(%rip), RT2; \
xorq (RT2, RT3, 8), to##0; \
leaq s6(%rip), RT2; \
xorq (RT2, RT1, 8), to##0; \
movzbl RW0bl, RT3d; \
movzbl RW0bh, RT1d; \
shrq $16, RW0; \
xorq s4(, RT3, 8), to##0; \
xorq s2(, RT1, 8), to##0; \
leaq s4(%rip), RT2; \
xorq (RT2, RT3, 8), to##0; \
leaq s2(%rip), RT2; \
xorq (RT2, RT1, 8), to##0; \
movzbl RW0bl, RT3d; \
movzbl RW0bh, RT1d; \
shrl $16, RW0d; \
xorq s7(, RT3, 8), to##0; \
xorq s5(, RT1, 8), to##0; \
leaq s7(%rip), RT2; \
xorq (RT2, RT3, 8), to##0; \
leaq s5(%rip), RT2; \
xorq (RT2, RT1, 8), to##0; \
movzbl RW0bl, RT3d; \
movzbl RW0bh, RT1d; \
load_next_key(n, RW0); \
xorq s3(, RT3, 8), to##0; \
xorq s1(, RT1, 8), to##0; \
leaq s3(%rip), RT2; \
xorq (RT2, RT3, 8), to##0; \
leaq s1(%rip), RT2; \
xorq (RT2, RT1, 8), to##0; \
xorq from##1, RW1; \
movzbl RW1bl, RT3d; \
movzbl RW1bh, RT1d; \
shrq $16, RW1; \
xorq s8(, RT3, 8), to##1; \
xorq s6(, RT1, 8), to##1; \
leaq s8(%rip), RT2; \
xorq (RT2, RT3, 8), to##1; \
leaq s6(%rip), RT2; \
xorq (RT2, RT1, 8), to##1; \
movzbl RW1bl, RT3d; \
movzbl RW1bh, RT1d; \
shrq $16, RW1; \
xorq s4(, RT3, 8), to##1; \
xorq s2(, RT1, 8), to##1; \
leaq s4(%rip), RT2; \
xorq (RT2, RT3, 8), to##1; \
leaq s2(%rip), RT2; \
xorq (RT2, RT1, 8), to##1; \
movzbl RW1bl, RT3d; \
movzbl RW1bh, RT1d; \
shrl $16, RW1d; \
xorq s7(, RT3, 8), to##1; \
xorq s5(, RT1, 8), to##1; \
leaq s7(%rip), RT2; \
xorq (RT2, RT3, 8), to##1; \
leaq s5(%rip), RT2; \
xorq (RT2, RT1, 8), to##1; \
movzbl RW1bl, RT3d; \
movzbl RW1bh, RT1d; \
do_movq(RW0, RW1); \
xorq s3(, RT3, 8), to##1; \
xorq s1(, RT1, 8), to##1; \
leaq s3(%rip), RT2; \
xorq (RT2, RT3, 8), to##1; \
leaq s1(%rip), RT2; \
xorq (RT2, RT1, 8), to##1; \
xorq from##2, RW2; \
movzbl RW2bl, RT3d; \
movzbl RW2bh, RT1d; \
shrq $16, RW2; \
xorq s8(, RT3, 8), to##2; \
xorq s6(, RT1, 8), to##2; \
leaq s8(%rip), RT2; \
xorq (RT2, RT3, 8), to##2; \
leaq s6(%rip), RT2; \
xorq (RT2, RT1, 8), to##2; \
movzbl RW2bl, RT3d; \
movzbl RW2bh, RT1d; \
shrq $16, RW2; \
xorq s4(, RT3, 8), to##2; \
xorq s2(, RT1, 8), to##2; \
leaq s4(%rip), RT2; \
xorq (RT2, RT3, 8), to##2; \
leaq s2(%rip), RT2; \
xorq (RT2, RT1, 8), to##2; \
movzbl RW2bl, RT3d; \
movzbl RW2bh, RT1d; \
shrl $16, RW2d; \
xorq s7(, RT3, 8), to##2; \
xorq s5(, RT1, 8), to##2; \
leaq s7(%rip), RT2; \
xorq (RT2, RT3, 8), to##2; \
leaq s5(%rip), RT2; \
xorq (RT2, RT1, 8), to##2; \
movzbl RW2bl, RT3d; \
movzbl RW2bh, RT1d; \
do_movq(RW0, RW2); \
xorq s3(, RT3, 8), to##2; \
xorq s1(, RT1, 8), to##2;
leaq s3(%rip), RT2; \
xorq (RT2, RT3, 8), to##2; \
leaq s1(%rip), RT2; \
xorq (RT2, RT1, 8), to##2;
#define __movq(src, dst) \
movq src, dst;