1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_CRIS_ARCH_UNISTD_H_
3 #define _ASM_CRIS_ARCH_UNISTD_H_
5 /* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */
7 * Don't remove the .ifnc tests; they are an insurance against
8 * any hard-to-spot gcc register allocation bugs.
10 #define _syscall0(type,name) \
13 register long __a __asm__ ("r10"); \
14 register long __n_ __asm__ ("r9") = (__NR_##name); \
15 __asm__ __volatile__ (".ifnc %0%1,$r10$r9\n\t" \
28 #define _syscall1(type,name,type1,arg1) \
29 type name(type1 arg1) \
31 register long __a __asm__ ("r10") = (long) arg1; \
32 register long __n_ __asm__ ("r9") = (__NR_##name); \
33 __asm__ __volatile__ (".ifnc %0%1,$r10$r9\n\t" \
38 : "r" (__n_), "0" (__a) \
46 #define _syscall2(type,name,type1,arg1,type2,arg2) \
47 type name(type1 arg1,type2 arg2) \
49 register long __a __asm__ ("r10") = (long) arg1; \
50 register long __b __asm__ ("r11") = (long) arg2; \
51 register long __n_ __asm__ ("r9") = (__NR_##name); \
52 __asm__ __volatile__ (".ifnc %0%1%3,$r10$r9$r11\n\t" \
57 : "r" (__n_), "0" (__a), "r" (__b) \
65 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
66 type name(type1 arg1,type2 arg2,type3 arg3) \
68 register long __a __asm__ ("r10") = (long) arg1; \
69 register long __b __asm__ ("r11") = (long) arg2; \
70 register long __c __asm__ ("r12") = (long) arg3; \
71 register long __n_ __asm__ ("r9") = (__NR_##name); \
72 __asm__ __volatile__ (".ifnc %0%1%3%4,$r10$r9$r11$r12\n\t" \
77 : "r" (__n_), "0" (__a), "r" (__b), "r" (__c) \
85 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
86 type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
88 register long __a __asm__ ("r10") = (long) arg1; \
89 register long __b __asm__ ("r11") = (long) arg2; \
90 register long __c __asm__ ("r12") = (long) arg3; \
91 register long __d __asm__ ("r13") = (long) arg4; \
92 register long __n_ __asm__ ("r9") = (__NR_##name); \
93 __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \
98 : "r" (__n_), "0" (__a), "r" (__b), \
107 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
109 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
111 register long __a __asm__ ("r10") = (long) arg1; \
112 register long __b __asm__ ("r11") = (long) arg2; \
113 register long __c __asm__ ("r12") = (long) arg3; \
114 register long __d __asm__ ("r13") = (long) arg4; \
115 register long __e __asm__ ("mof") = (long) arg5; \
116 register long __n_ __asm__ ("r9") = (__NR_##name); \
117 __asm__ __volatile__ (".ifnc %0%1%3%4%5%6,$r10$r9$r11$r12$r13$mof\n\t" \
122 : "r" (__n_), "0" (__a), "r" (__b), \
123 "r" (__c), "r" (__d), "h" (__e) \
131 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
132 type5,arg5,type6,arg6) \
133 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
135 register long __a __asm__ ("r10") = (long) arg1; \
136 register long __b __asm__ ("r11") = (long) arg2; \
137 register long __c __asm__ ("r12") = (long) arg3; \
138 register long __d __asm__ ("r13") = (long) arg4; \
139 register long __e __asm__ ("mof") = (long) arg5; \
140 register long __f __asm__ ("srp") = (long) arg6; \
141 register long __n_ __asm__ ("r9") = (__NR_##name); \
142 __asm__ __volatile__ (".ifnc %0%1%3%4%5%6%7,$r10$r9$r11$r12$r13$mof$srp\n\t" \
147 : "r" (__n_), "0" (__a), "r" (__b), \
148 "r" (__c), "r" (__d), "h" (__e), "x" (__f) \