arch/x86/crypto/aria-aesni-avx-asm_64.S

Source file repositories/reference/linux-study-clean/arch/x86/crypto/aria-aesni-avx-asm_64.S

File Facts

System
Linux kernel
Corpus path
arch/x86/crypto/aria-aesni-avx-asm_64.S
Extension
.S
Size
40391 bytes
Lines
1353
Domain
Architecture Layer
Bucket
arch/x86
Inferred role
Architecture Layer: arch/x86
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#include <linux/linkage.h>
#include <linux/cfi_types.h>
#include <asm/asm-offsets.h>
#include <asm/frame.h>

/* register macros */
#define CTX %rdi


#define BV8(a0, a1, a2, a3, a4, a5, a6, a7)		\
	( (((a0) & 1) << 0) |				\
	  (((a1) & 1) << 1) |				\
	  (((a2) & 1) << 2) |				\
	  (((a3) & 1) << 3) |				\
	  (((a4) & 1) << 4) |				\
	  (((a5) & 1) << 5) |				\
	  (((a6) & 1) << 6) |				\
	  (((a7) & 1) << 7) )

#define BM8X8(l0, l1, l2, l3, l4, l5, l6, l7)		\
	( ((l7) << (0 * 8)) |				\
	  ((l6) << (1 * 8)) |				\
	  ((l5) << (2 * 8)) |				\
	  ((l4) << (3 * 8)) |				\
	  ((l3) << (4 * 8)) |				\
	  ((l2) << (5 * 8)) |				\
	  ((l1) << (6 * 8)) |				\
	  ((l0) << (7 * 8)) )

#define inc_le128(x, minus_one, tmp)			\
	vpcmpeqq minus_one, x, tmp;			\
	vpsubq minus_one, x, x;				\
	vpslldq $8, tmp, tmp;				\
	vpsubq tmp, x, x;

#define filter_8bit(x, lo_t, hi_t, mask4bit, tmp0)	\
	vpand x, mask4bit, tmp0;			\
	vpandn x, mask4bit, x;				\
	vpsrld $4, x, x;				\
							\
	vpshufb tmp0, lo_t, tmp0;			\
	vpshufb x, hi_t, x;				\
	vpxor tmp0, x, x;

#define transpose_4x4(x0, x1, x2, x3, t1, t2)		\
	vpunpckhdq x1, x0, t2;				\
	vpunpckldq x1, x0, x0;				\
							\
	vpunpckldq x3, x2, t1;				\
	vpunpckhdq x3, x2, x2;				\
							\
	vpunpckhqdq t1, x0, x1;				\
	vpunpcklqdq t1, x0, x0;				\
							\
	vpunpckhqdq x2, t2, x3;				\
	vpunpcklqdq x2, t2, x2;

#define byteslice_16x16b(a0, b0, c0, d0,		\
			 a1, b1, c1, d1,		\
			 a2, b2, c2, d2,		\
			 a3, b3, c3, d3,		\
			 st0, st1)			\
	vmovdqu d2, st0;				\
	vmovdqu d3, st1;				\
	transpose_4x4(a0, a1, a2, a3, d2, d3);		\
	transpose_4x4(b0, b1, b2, b3, d2, d3);		\
	vmovdqu st0, d2;				\
	vmovdqu st1, d3;				\
							\
	vmovdqu a0, st0;				\

Annotation

Implementation Notes