1#ifndef _ASM_PARISC_UNISTD_H_
2#define _ASM_PARISC_UNISTD_H_
3
4#include <uapi/asm/unistd.h>
5
6#ifndef __ASSEMBLY__
7
8#define SYS_ify(syscall_name) __NR_##syscall_name
9
10#ifndef ASM_LINE_SEP
11# define ASM_LINE_SEP ;
12#endif
13
14
15
16
17
18#ifdef PIC
19
20# define K_STW_ASM_PIC " copy %%r19, %%r4\n"
21# define K_LDW_ASM_PIC " copy %%r4, %%r19\n"
22# define K_USING_GR4 "%r4",
23#else
24# define K_STW_ASM_PIC " \n"
25# define K_LDW_ASM_PIC " \n"
26# define K_USING_GR4
27#endif
28
29
30
31
32
33
34
35
36
37
38
39
40#define K_CALL_CLOB_REGS "%r1", "%r2", K_USING_GR4 \
41 "%r20", "%r29", "%r31"
42
43#undef K_INLINE_SYSCALL
44#define K_INLINE_SYSCALL(name, nr, args...) ({ \
45 long __sys_res; \
46 { \
47 register unsigned long __res __asm__("r28"); \
48 K_LOAD_ARGS_##nr(args) \
49 \
50 __asm__ volatile( \
51 K_STW_ASM_PIC \
52 " ble 0x100(%%sr2, %%r0)\n" \
53 " ldi %1, %%r20\n" \
54 K_LDW_ASM_PIC \
55 : "=r" (__res) \
56 : "i" (SYS_ify(name)) K_ASM_ARGS_##nr \
57 : "memory", K_CALL_CLOB_REGS K_CLOB_ARGS_##nr \
58 ); \
59 __sys_res = (long)__res; \
60 } \
61 if ( (unsigned long)__sys_res >= (unsigned long)-4095 ){ \
62 errno = -__sys_res; \
63 __sys_res = -1; \
64 } \
65 __sys_res; \
66})
67
68#define K_LOAD_ARGS_0()
69#define K_LOAD_ARGS_1(r26) \
70 register unsigned long __r26 __asm__("r26") = (unsigned long)(r26); \
71 K_LOAD_ARGS_0()
72#define K_LOAD_ARGS_2(r26,r25) \
73 register unsigned long __r25 __asm__("r25") = (unsigned long)(r25); \
74 K_LOAD_ARGS_1(r26)
75#define K_LOAD_ARGS_3(r26,r25,r24) \
76 register unsigned long __r24 __asm__("r24") = (unsigned long)(r24); \
77 K_LOAD_ARGS_2(r26,r25)
78#define K_LOAD_ARGS_4(r26,r25,r24,r23) \
79 register unsigned long __r23 __asm__("r23") = (unsigned long)(r23); \
80 K_LOAD_ARGS_3(r26,r25,r24)
81#define K_LOAD_ARGS_5(r26,r25,r24,r23,r22) \
82 register unsigned long __r22 __asm__("r22") = (unsigned long)(r22); \
83 K_LOAD_ARGS_4(r26,r25,r24,r23)
84#define K_LOAD_ARGS_6(r26,r25,r24,r23,r22,r21) \
85 register unsigned long __r21 __asm__("r21") = (unsigned long)(r21); \
86 K_LOAD_ARGS_5(r26,r25,r24,r23,r22)
87
88
89#define K_ASM_ARGS_0
90#define K_ASM_ARGS_1 K_ASM_ARGS_0, "r" (__r26)
91#define K_ASM_ARGS_2 K_ASM_ARGS_1, "r" (__r25)
92#define K_ASM_ARGS_3 K_ASM_ARGS_2, "r" (__r24)
93#define K_ASM_ARGS_4 K_ASM_ARGS_3, "r" (__r23)
94#define K_ASM_ARGS_5 K_ASM_ARGS_4, "r" (__r22)
95#define K_ASM_ARGS_6 K_ASM_ARGS_5, "r" (__r21)
96
97
98#define K_CLOB_ARGS_6
99#define K_CLOB_ARGS_5 K_CLOB_ARGS_6, "%r21"
100#define K_CLOB_ARGS_4 K_CLOB_ARGS_5, "%r22"
101#define K_CLOB_ARGS_3 K_CLOB_ARGS_4, "%r23"
102#define K_CLOB_ARGS_2 K_CLOB_ARGS_3, "%r24"
103#define K_CLOB_ARGS_1 K_CLOB_ARGS_2, "%r25"
104#define K_CLOB_ARGS_0 K_CLOB_ARGS_1, "%r26"
105
106#define _syscall0(type,name) \
107type name(void) \
108{ \
109 return K_INLINE_SYSCALL(name, 0); \
110}
111
112#define _syscall1(type,name,type1,arg1) \
113type name(type1 arg1) \
114{ \
115 return K_INLINE_SYSCALL(name, 1, arg1); \
116}
117
118#define _syscall2(type,name,type1,arg1,type2,arg2) \
119type name(type1 arg1, type2 arg2) \
120{ \
121 return K_INLINE_SYSCALL(name, 2, arg1, arg2); \
122}
123
124#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
125type name(type1 arg1, type2 arg2, type3 arg3) \
126{ \
127 return K_INLINE_SYSCALL(name, 3, arg1, arg2, arg3); \
128}
129
130#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
131type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
132{ \
133 return K_INLINE_SYSCALL(name, 4, arg1, arg2, arg3, arg4); \
134}
135
136
137#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
138type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
139{ \
140 return K_INLINE_SYSCALL(name, 5, arg1, arg2, arg3, arg4, arg5); \
141}
142
143#define __ARCH_WANT_OLD_READDIR
144#define __ARCH_WANT_STAT64
145#define __ARCH_WANT_SYS_ALARM
146#define __ARCH_WANT_SYS_GETHOSTNAME
147#define __ARCH_WANT_SYS_PAUSE
148#define __ARCH_WANT_SYS_SGETMASK
149#define __ARCH_WANT_SYS_SIGNAL
150#define __ARCH_WANT_SYS_TIME
151#define __ARCH_WANT_COMPAT_SYS_TIME
152#define __ARCH_WANT_COMPAT_SYS_SCHED_RR_GET_INTERVAL
153#define __ARCH_WANT_SYS_UTIME
154#define __ARCH_WANT_SYS_WAITPID
155#define __ARCH_WANT_SYS_SOCKETCALL
156#define __ARCH_WANT_SYS_FADVISE64
157#define __ARCH_WANT_SYS_GETPGRP
158#define __ARCH_WANT_SYS_LLSEEK
159#define __ARCH_WANT_SYS_NICE
160#define __ARCH_WANT_SYS_OLD_GETRLIMIT
161#define __ARCH_WANT_SYS_OLDUMOUNT
162#define __ARCH_WANT_SYS_SIGPENDING
163#define __ARCH_WANT_SYS_SIGPROCMASK
164#define __ARCH_WANT_SYS_FORK
165#define __ARCH_WANT_SYS_VFORK
166#define __ARCH_WANT_SYS_CLONE
167#define __ARCH_WANT_COMPAT_SYS_SENDFILE
168
169#endif
170
171#undef STR
172
173#endif
174