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create area for to save fp regs

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refs #421
This commit is contained in:
Tomoki Shirasawa
2015-03-05 12:16:05 +09:00
parent 9946ccd6b1
commit e6011be1af
4 changed files with 108 additions and 0 deletions
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64
arch/x86/kernel/include/registers.h
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@ -223,4 +223,68 @@ enum x86_pf_error_code {
PF_POPULATE = 1 << 30,
};
struct i387_fxsave_struct {
unsigned short cwd;
unsigned short swd;
unsigned short twd;
unsigned short fop;
union {
struct {
unsigned long rip;
unsigned long rdp;
};
struct {
unsigned int fip;
unsigned int fcs;
unsigned int foo;
unsigned int fos;
};
};
unsigned int mxcsr;
unsigned int mxcsr_mask;
unsigned int st_space[32];
unsigned int xmm_space[64];
unsigned int padding[12];
union {
unsigned int padding1[12];
unsigned int sw_reserved[12];
};
} __attribute__((aligned(16)));
struct ymmh_struct {
unsigned int ymmh_space[64];
};
struct lwp_struct {
unsigned char reserved[128];
};
struct bndreg {
unsigned long lower_bound;
unsigned long upper_bound;
} __attribute__((packed));
struct bndcsr {
unsigned long bndcfgu;
unsigned long bndstatus;
} __attribute__((packed));
struct xsave_hdr_struct {
unsigned long xstate_bv;
unsigned long xcomp_bv;
unsigned long reserved[6];
} __attribute__((packed));
struct xsave_struct {
struct i387_fxsave_struct i387;
struct xsave_hdr_struct xsave_hdr;
struct ymmh_struct ymmh;
struct lwp_struct lwp;
struct bndreg bndreg[4];
struct bndcsr bndcsr;
} __attribute__ ((packed, aligned (64)));
typedef struct xsave_struct fp_regs_struct;
#endif