SIMD

SIMD context management. More...

Collaboration diagram for SIMD:

Detailed Description

SIMD context management.

SIMD (Single Instruction, Multiple Data) context management allows saving and restoring the state of SIMD registers, the fact that SIMD uses its own registers is the reason that we cant use SIMD in the kernel normally.

See also

XSAVE Instruction

FXSAVE Instruction

FNINIT Instruction

Data Structures
struct	simd_ctx_t

Functions
void	simd_cpu_init (void)
uint64_t	simd_ctx_init (simd_ctx_t *ctx)
void	simd_ctx_deinit (simd_ctx_t *ctx)
void	simd_ctx_save (simd_ctx_t *ctx)
void	simd_ctx_load (simd_ctx_t *ctx)

Function Documentation

simd_cpu_init()

void simd_cpu_init

(

void

)

Definition at line 41 of file simd.c.

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simd_ctx_init()

uint64_t simd_ctx_init

(

simd_ctx_t *

ctx

)

Definition at line 121 of file simd.c.

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simd_ctx_deinit()

void simd_ctx_deinit

(

simd_ctx_t *

ctx

)

Definition at line 134 of file simd.c.

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simd_ctx_save()

void simd_ctx_save

(

simd_ctx_t *

ctx

)

Definition at line 139 of file simd.c.

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simd_ctx_load()

void simd_ctx_load

(

simd_ctx_t *

ctx

)

Definition at line 154 of file simd.c.

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