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@@ -4,12 +4,54 @@
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# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
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#endif
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-#include <features.h>
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-/* Do something very evil for now. Until we create our own syscall
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- * macros, short circuit bits/sysnum.h and use asm/unistd.h instead */
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-#warning "fixme -- add arch specific syscall macros.h"
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-#include <asm/unistd.h>
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+#ifndef __ASSEMBLER__
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-#endif /* _BITS_SYSCALLS_H */
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+#include <errno.h>
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+
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+#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \
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+ ({ \
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+ register int __ret __asm__("r3"); \
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+ register int _scno __asm__("r12") = name; \
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+ LOAD_ARGS_##nr (args); \
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+ __asm__ __volatile__("brki r14, 0x8" \
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+ : "=r" (__ret) \
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+ : "r"(_scno) ASM_ARGS_##nr \
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+ : __SYSCALL_CLOBBERS ); \
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+ __ret; \
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+ })
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+
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+#define INTERNAL_SYSCALL_ERROR_P(val, err) \
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+ ((unsigned int)(val) >= 0xfffff001U)
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+#define LOAD_ARGS_0() do { } while(0)
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+#define ASM_ARGS_0
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+#define LOAD_ARGS_1(a1) \
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+ register int _a1 __asm__("r5") = (int)(a1); \
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+ LOAD_ARGS_0()
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+#define ASM_ARGS_1 ASM_ARGS_0, "r"(_a1)
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+#define LOAD_ARGS_2(a1, a2) \
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+ register int _a2 __asm__("r6") = (int)(a2); \
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+ LOAD_ARGS_1(a1)
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+#define ASM_ARGS_2 ASM_ARGS_1, "r"(_a2)
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+#define LOAD_ARGS_3(a1, a2, a3) \
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+ register int _a3 __asm__("r7") = (int)(a3); \
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+ LOAD_ARGS_2(a1, a2)
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+#define ASM_ARGS_3 ASM_ARGS_2, "r"(_a3)
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+#define LOAD_ARGS_4(a1, a2, a3, a4) \
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+ register int _a4 __asm__("r8") = (int)(a4); \
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+ LOAD_ARGS_3(a1, a2, a3)
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+#define ASM_ARGS_4 ASM_ARGS_3, "r"(_a4)
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+#define LOAD_ARGS_5(a1, a2, a3, a4, a5) \
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+ register int _a5 __asm__("r9") = (int)(a5); \
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+ LOAD_ARGS_4(a1, a2, a3, a4)
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+#define ASM_ARGS_5 ASM_ARGS_4, "r"(_a5)
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+#define LOAD_ARGS_6(a1, a2, a3, a4, a5, a6) \
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+ register int _a6 __asm__("r10") = (int)(a6); \
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+ LOAD_ARGS_5(a1, a2, a3, a4, a5)
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+#define ASM_ARGS_6 ASM_ARGS_5, "r"(_a6)
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+
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+#define __SYSCALL_CLOBBERS "r4", "r14", "cc", "memory"
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+
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+#endif /* __ASSEMBLER__ */
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+#endif /* _BITS_SYSCALLS_H */
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