59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
#ifndef CRASHPOWEROS_SYSCALL_H
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#define CRASHPOWEROS_SYSCALL_H
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#include <stddef.h>
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#define SYSCALL_NUM 10
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#define DEFN_SYSCALL0(fn, num) \
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int syscall_##fn() \
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{ \
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int a; \
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asm volatile("int $0x80" : "=a" (a) : "0" (num)); \
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return a; \
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}
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#define DEFN_SYSCALL1(fn, num, P1) \
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int syscall_##fn(P1 p1) \
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{ \
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int a; \
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asm volatile("int $0x80" : "=a" (a) : "0" (num), "b" ((int)p1)); \
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return a; \
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}
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#define DEFN_SYSCALL2(fn, num, P1, P2) \
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int syscall_##fn(P1 p1, P2 p2) \
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{ \
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int a; \
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asm volatile("int $0x80" : "=a" (a) : "0" (num), "b" ((int)p1), "c" ((int)p2)); \
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return a; \
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}
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#define DEFN_SYSCALL3(fn, num, P1, P2, P3) \
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int syscall_##fn(P1 p1, P2 p2, P3 p3) \
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{ \
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int a; \
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asm volatile("int $0x80" : "=a" (a) : "0" (num), "b" ((int)p1), "c" ((int)p2), "d"((int)p3)); \
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return a; \
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}
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#define DEFN_SYSCALL4(fn, num, P1, P2, P3, P4) \
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int syscall_##fn(P1 p1, P2 p2, P3 p3, P4 p4) \
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{ \
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int a; \
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asm volatile("int $0x80" : "=a" (a) : "0" (num), "b" ((int)p1), "c" ((int)p2), "d" ((int)p3), "S" ((int)p4)); \
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return a; \
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}
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#define DEFN_SYSCALL5(fn, num) \
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int syscall_##fn(P1 p1, P2 p2, P3 p3, P4 p4, P5 p5) \
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{ \
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int a; \
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asm volatile("int $0x80" : "=a" (a) : "0" (num), "b" ((int)p1), "c" ((int)p2), "d" ((int)p3), "S" ((int)p4), "D" ((int)p5)); \
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return a; \
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}
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void syscall_install();
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#endif
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