source: branches/minix3-book/include/minix/syslib.h@ 23

Last change on this file since 23 was 4, checked in by Mattia Monga, 14 years ago

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1/* Prototypes for system library functions. */
2
3#ifndef _SYSLIB_H
4#define _SYSLIB_H
5
6#ifndef _TYPES_H
7#include <sys/types.h>
8#endif
9
10#ifndef _IPC_H
11#include <minix/ipc.h>
12#endif
13
14#ifndef _DEVIO_H
15#include <minix/devio.h>
16#endif
17
18/* Forward declaration */
19struct reg86u;
20
21#define SYSTASK SYSTEM
22
23/*==========================================================================*
24 * Minix system library. *
25 *==========================================================================*/
26_PROTOTYPE( int _taskcall, (int who, int syscallnr, message *msgptr));
27
28_PROTOTYPE( int sys_abort, (int how, ...));
29_PROTOTYPE( int sys_exec, (int proc, char *ptr,
30 char *aout, vir_bytes initpc));
31_PROTOTYPE( int sys_fork, (int parent, int child));
32_PROTOTYPE( int sys_newmap, (int proc, struct mem_map *ptr));
33_PROTOTYPE( int sys_exit, (int proc));
34_PROTOTYPE( int sys_trace, (int req, int proc, long addr, long *data_p));
35
36_PROTOTYPE( int sys_svrctl, (int proc, int req, int priv,vir_bytes argp));
37_PROTOTYPE( int sys_nice, (int proc, int priority));
38
39_PROTOTYPE( int sys_int86, (struct reg86u *reg86p));
40
41/* Shorthands for sys_sdevio() system call. */
42#define sys_insb(port, proc_nr, buffer, count) \
43 sys_sdevio(DIO_INPUT, port, DIO_BYTE, proc_nr, buffer, count)
44#define sys_insw(port, proc_nr, buffer, count) \
45 sys_sdevio(DIO_INPUT, port, DIO_WORD, proc_nr, buffer, count)
46#define sys_outsb(port, proc_nr, buffer, count) \
47 sys_sdevio(DIO_OUTPUT, port, DIO_BYTE, proc_nr, buffer, count)
48#define sys_outsw(port, proc_nr, buffer, count) \
49 sys_sdevio(DIO_OUTPUT, port, DIO_WORD, proc_nr, buffer, count)
50_PROTOTYPE( int sys_sdevio, (int req, long port, int type, int proc_nr,
51 void *buffer, int count));
52
53/* Clock functionality: get system times or (un)schedule an alarm call. */
54_PROTOTYPE( int sys_times, (int proc_nr, clock_t *ptr));
55_PROTOTYPE(int sys_setalarm, (clock_t exp_time, int abs_time));
56
57/* Shorthands for sys_irqctl() system call. */
58#define sys_irqdisable(hook_id) \
59 sys_irqctl(IRQ_DISABLE, 0, 0, hook_id)
60#define sys_irqenable(hook_id) \
61 sys_irqctl(IRQ_ENABLE, 0, 0, hook_id)
62#define sys_irqsetpolicy(irq_vec, policy, hook_id) \
63 sys_irqctl(IRQ_SETPOLICY, irq_vec, policy, hook_id)
64#define sys_irqrmpolicy(irq_vec, hook_id) \
65 sys_irqctl(IRQ_RMPOLICY, irq_vec, 0, hook_id)
66_PROTOTYPE ( int sys_irqctl, (int request, int irq_vec, int policy,
67 int *irq_hook_id) );
68
69/* Shorthands for sys_vircopy() and sys_physcopy() system calls. */
70#define sys_biosin(bios_vir, dst_vir, bytes) \
71 sys_vircopy(SELF, BIOS_SEG, bios_vir, SELF, D, dst_vir, bytes)
72#define sys_biosout(src_vir, bios_vir, bytes) \
73 sys_vircopy(SELF, D, src_vir, SELF, BIOS_SEG, bios_vir, bytes)
74#define sys_datacopy(src_proc, src_vir, dst_proc, dst_vir, bytes) \
75 sys_vircopy(src_proc, D, src_vir, dst_proc, D, dst_vir, bytes)
76#define sys_textcopy(src_proc, src_vir, dst_proc, dst_vir, bytes) \
77 sys_vircopy(src_proc, T, src_vir, dst_proc, T, dst_vir, bytes)
78#define sys_stackcopy(src_proc, src_vir, dst_proc, dst_vir, bytes) \
79 sys_vircopy(src_proc, S, src_vir, dst_proc, S, dst_vir, bytes)
80_PROTOTYPE(int sys_vircopy, (int src_proc, int src_seg, vir_bytes src_vir,
81 int dst_proc, int dst_seg, vir_bytes dst_vir, phys_bytes bytes));
82
83#define sys_abscopy(src_phys, dst_phys, bytes) \
84 sys_physcopy(NONE, PHYS_SEG, src_phys, NONE, PHYS_SEG, dst_phys, bytes)
85_PROTOTYPE(int sys_physcopy, (int src_proc, int src_seg, vir_bytes src_vir,
86 int dst_proc, int dst_seg, vir_bytes dst_vir, phys_bytes bytes));
87_PROTOTYPE(int sys_memset, (unsigned long pattern,
88 phys_bytes base, phys_bytes bytes));
89
90/* Vectored virtual / physical copy calls. */
91#if DEAD_CODE /* library part not yet implemented */
92_PROTOTYPE(int sys_virvcopy, (phys_cp_req *vec_ptr,int vec_size,int *nr_ok));
93_PROTOTYPE(int sys_physvcopy, (phys_cp_req *vec_ptr,int vec_size,int *nr_ok));
94#endif
95
96_PROTOTYPE(int sys_umap, (int proc_nr, int seg, vir_bytes vir_addr,
97 vir_bytes bytes, phys_bytes *phys_addr));
98_PROTOTYPE(int sys_segctl, (int *index, u16_t *seg, vir_bytes *off,
99 phys_bytes phys, vir_bytes size));
100
101/* Shorthands for sys_getinfo() system call. */
102#define sys_getkmessages(dst) sys_getinfo(GET_KMESSAGES, dst, 0,0,0)
103#define sys_getkinfo(dst) sys_getinfo(GET_KINFO, dst, 0,0,0)
104#define sys_getmachine(dst) sys_getinfo(GET_MACHINE, dst, 0,0,0)
105#define sys_getproctab(dst) sys_getinfo(GET_PROCTAB, dst, 0,0,0)
106#define sys_getprivtab(dst) sys_getinfo(GET_PRIVTAB, dst, 0,0,0)
107#define sys_getproc(dst,nr) sys_getinfo(GET_PROC, dst, 0,0, nr)
108#define sys_getrandomness(dst) sys_getinfo(GET_RANDOMNESS, dst, 0,0,0)
109#define sys_getimage(dst) sys_getinfo(GET_IMAGE, dst, 0,0,0)
110#define sys_getirqhooks(dst) sys_getinfo(GET_IRQHOOKS, dst, 0,0,0)
111#define sys_getmonparams(v,vl) sys_getinfo(GET_MONPARAMS, v,vl, 0,0)
112#define sys_getschedinfo(v1,v2) sys_getinfo(GET_SCHEDINFO, v1,0, v2,0)
113#define sys_getlocktimings(dst) sys_getinfo(GET_LOCKTIMING, dst, 0,0,0)
114#define sys_getbiosbuffer(virp, sizep) sys_getinfo(GET_BIOSBUFFER, virp, \
115 sizeof(*virp), sizep, sizeof(*sizep))
116_PROTOTYPE(int sys_getinfo, (int request, void *val_ptr, int val_len,
117 void *val_ptr2, int val_len2) );
118
119/* Signal control. */
120_PROTOTYPE(int sys_kill, (int proc, int sig) );
121_PROTOTYPE(int sys_sigsend, (int proc_nr, struct sigmsg *sig_ctxt) );
122_PROTOTYPE(int sys_sigreturn, (int proc_nr, struct sigmsg *sig_ctxt) );
123_PROTOTYPE(int sys_getksig, (int *k_proc_nr, sigset_t *k_sig_map) );
124_PROTOTYPE(int sys_endksig, (int proc_nr) );
125
126/* NOTE: two different approaches were used to distinguish the device I/O
127 * types 'byte', 'word', 'long': the latter uses #define and results in a
128 * smaller implementation, but looses the static type checking.
129 */
130_PROTOTYPE(int sys_voutb, (pvb_pair_t *pvb_pairs, int nr_ports) );
131_PROTOTYPE(int sys_voutw, (pvw_pair_t *pvw_pairs, int nr_ports) );
132_PROTOTYPE(int sys_voutl, (pvl_pair_t *pvl_pairs, int nr_ports) );
133_PROTOTYPE(int sys_vinb, (pvb_pair_t *pvb_pairs, int nr_ports) );
134_PROTOTYPE(int sys_vinw, (pvw_pair_t *pvw_pairs, int nr_ports) );
135_PROTOTYPE(int sys_vinl, (pvl_pair_t *pvl_pairs, int nr_ports) );
136
137/* Shorthands for sys_out() system call. */
138#define sys_outb(p,v) sys_out((p), (unsigned long) (v), DIO_BYTE)
139#define sys_outw(p,v) sys_out((p), (unsigned long) (v), DIO_WORD)
140#define sys_outl(p,v) sys_out((p), (unsigned long) (v), DIO_LONG)
141_PROTOTYPE(int sys_out, (int port, unsigned long value, int type) );
142
143/* Shorthands for sys_in() system call. */
144#define sys_inb(p,v) sys_in((p), (unsigned long*) (v), DIO_BYTE)
145#define sys_inw(p,v) sys_in((p), (unsigned long*) (v), DIO_WORD)
146#define sys_inl(p,v) sys_in((p), (unsigned long*) (v), DIO_LONG)
147_PROTOTYPE(int sys_in, (int port, unsigned long *value, int type) );
148
149#endif /* _SYSLIB_H */
150
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