pcb.h (10b3b54548f2290bbe8d8f88c59c28d12b7a635d) pcb.h (6cf9a08d2c338e25f0be42326e6880f089156562)
1/*-
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * William Jolitz.
7 *
8 * Redistribution and use in source and binary forms, with or without

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55
56 int pcb_dr0;
57 int pcb_dr1;
58 int pcb_dr2;
59 int pcb_dr3;
60 int pcb_dr6;
61 int pcb_dr7;
62
1/*-
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * William Jolitz.
7 *
8 * Redistribution and use in source and binary forms, with or without

--- 46 unchanged lines hidden (view full) ---

55
56 int pcb_dr0;
57 int pcb_dr1;
58 int pcb_dr2;
59 int pcb_dr3;
60 int pcb_dr6;
61 int pcb_dr7;
62
63 union savefpu pcb_save;
63 union savefpu pcb_user_save;
64 uint16_t pcb_initial_npxcw;
65 u_int pcb_flags;
66#define FP_SOFTFP 0x01 /* process using software fltng pnt emulator */
67#define PCB_DBREGS 0x02 /* process using debug registers */
68#define PCB_NPXTRAP 0x04 /* npx trap pending */
69#define PCB_NPXINITDONE 0x08 /* fpu state is initialized */
70#define PCB_VM86CALL 0x10 /* in vm86 call */
64 uint16_t pcb_initial_npxcw;
65 u_int pcb_flags;
66#define FP_SOFTFP 0x01 /* process using software fltng pnt emulator */
67#define PCB_DBREGS 0x02 /* process using debug registers */
68#define PCB_NPXTRAP 0x04 /* npx trap pending */
69#define PCB_NPXINITDONE 0x08 /* fpu state is initialized */
70#define PCB_VM86CALL 0x10 /* in vm86 call */
71#define PCB_NPXUSERINITDONE 0x20 /* user fpu state is initialized */
72#define PCB_KERNNPX 0x40 /* kernel uses npx */
71
72 caddr_t pcb_onfault; /* copyin/out fault recovery */
73 int pcb_gs;
74 struct segment_descriptor pcb_fsd;
75 struct segment_descriptor pcb_gsd;
76 struct pcb_ext *pcb_ext; /* optional pcb extension */
77 int pcb_psl; /* process status long */
78 u_long pcb_vm86[2]; /* vm86bios scratch space */
73
74 caddr_t pcb_onfault; /* copyin/out fault recovery */
75 int pcb_gs;
76 struct segment_descriptor pcb_fsd;
77 struct segment_descriptor pcb_gsd;
78 struct pcb_ext *pcb_ext; /* optional pcb extension */
79 int pcb_psl; /* process status long */
80 u_long pcb_vm86[2]; /* vm86bios scratch space */
81 union savefpu *pcb_save;
79};
80
81#ifdef _KERNEL
82struct trapframe;
83
84void makectx(struct trapframe *, struct pcb *);
85void savectx(struct pcb *);
86#endif
87
88#endif /* _I386_PCB_H_ */
82};
83
84#ifdef _KERNEL
85struct trapframe;
86
87void makectx(struct trapframe *, struct pcb *);
88void savectx(struct pcb *);
89#endif
90
91#endif /* _I386_PCB_H_ */