Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\fpu\regset.c Create Date:2022-07-28 07:49:45
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:convert_to_fxsr

Proto:void convert_to_fxsr(struct fxregs_state *fxsave, const struct user_i387_ia32_struct *env)

Type:void

Parameter:

TypeParameterName
struct fxregs_state *fxsave
const struct user_i387_ia32_struct *env
272  struct _fpreg * from = (struct _fpreg * ) & 8*10 bytes for each FP-reg = 80 bytes [0]
273  struct _fpxreg * to = (struct _fpxreg * ) & 8*16 bytes for each FP-reg = 128 bytes: [0]
276  Control Word = cwd
277  Status Word = swd
278  Tag Word = FPU tag word conversions.
279  Last Instruction Opcode = fcs >> 16
281  Instruction Pointer = fip
282  Data Pointer = foo
291  When i < 8 cycle memcpy( & to[i], & from[i], size of from[0] )
Caller
NameDescribe
fpregs_set
sanitize_restored_xstate