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-rw-r--r--arch/aarch64/syscall_arch.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/aarch64/syscall_arch.h b/arch/aarch64/syscall_arch.h
new file mode 100644
index 00000000..ec7cc785
--- /dev/null
+++ b/arch/aarch64/syscall_arch.h
@@ -0,0 +1,80 @@
+#define __SYSCALL_LL_E(x) \
+((union { long long ll; long l[2]; }){ .ll = x }).l[0], \
+((union { long long ll; long l[2]; }){ .ll = x }).l[1]
+#define __SYSCALL_LL_O(x) 0, __SYSCALL_LL_E((x))
+
+long (__syscall)(long, ...);
+
+#define __asm_syscall(...) do { \
+ __asm__ __volatile__ ( "svc 0" \
+ : "=r"(x0) : __VA_ARGS__ : "memory", "cc"); \
+ return x0; \
+ } while (0)
+
+static inline long __syscall0(long n)
+{
+ register long x8 __asm__("x8") = n;
+ register long x0 __asm__("x0");
+ __asm_syscall("r"(x8));
+}
+
+static inline long __syscall1(long n, long a)
+{
+ register long x8 __asm__("x8") = n;
+ register long x0 __asm__("x0") = a;
+ __asm_syscall("r"(x8), "0"(x0));
+}
+
+static inline long __syscall2(long n, long a, long b)
+{
+ register long x8 __asm__("x8") = n;
+ register long x0 __asm__("x0") = a;
+ register long x1 __asm__("x1") = b;
+ __asm_syscall("r"(x8), "0"(x0), "r"(x1));
+}
+
+static inline long __syscall3(long n, long a, long b, long c)
+{
+ register long x8 __asm__("x8") = n;
+ register long x0 __asm__("x0") = a;
+ register long x1 __asm__("x1") = b;
+ register long x2 __asm__("x2") = c;
+ __asm_syscall("r"(x8), "0"(x0), "r"(x1), "r"(x2));
+}
+
+static inline long __syscall4(long n, long a, long b, long c, long d)
+{
+ register long x8 __asm__("x8") = n;
+ register long x0 __asm__("x0") = a;
+ register long x1 __asm__("x1") = b;
+ register long x2 __asm__("x2") = c;
+ register long x3 __asm__("x3") = d;
+ __asm_syscall("r"(x8), "0"(x0), "r"(x1), "r"(x2), "r"(x3));
+}
+
+static inline long __syscall5(long n, long a, long b, long c, long d, long e)
+{
+ register long x8 __asm__("x8") = n;
+ register long x0 __asm__("x0") = a;
+ register long x1 __asm__("x1") = b;
+ register long x2 __asm__("x2") = c;
+ register long x3 __asm__("x3") = d;
+ register long x4 __asm__("x4") = e;
+ __asm_syscall("r"(x8), "0"(x0), "r"(x1), "r"(x2), "r"(x3), "r"(x4));
+}
+
+static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
+{
+ register long x8 __asm__("x8") = n;
+ register long x0 __asm__("x0") = a;
+ register long x1 __asm__("x1") = b;
+ register long x2 __asm__("x2") = c;
+ register long x3 __asm__("x3") = d;
+ register long x4 __asm__("x4") = e;
+ register long x5 __asm__("x5") = f;
+ __asm_syscall("r"(x8), "0"(x0), "r"(x1), "r"(x2), "r"(x3), "r"(x4), "r"(x5));
+}
+
+#define VDSO_USEFUL
+#define VDSO_CGT_SYM "__kernel_clock_gettime"
+#define VDSO_CGT_VER "LINUX_2.6.39"