inline syscalls for microblaze

1 files changed, 97 insertions, 0 deletions

diff --git a/arch/microblaze/syscall_arch.h b/arch/microblaze/syscall_arch.h
index 48b0e36b..5d66cb11 100644
--- a/arch/microblaze/syscall_arch.h
+++ b/arch/microblaze/syscall_arch.h
@@ -5,6 +5,101 @@
 
 #define __SYSCALL_SSLEN 8
 
+#ifndef __clang__
+
+static __inline long __syscall0(long n)
+{
+	register unsigned long r12 __asm__("r12") = n;
+	register unsigned long r3 __asm__("r3");
+	__asm__ __volatile__ ("brki r14, 0x8" : "=r"(r3)
+		: "r"(r12)
+		: "memory");
+	return r3;
+}
+
+static inline long __syscall1(long n, long a)
+{
+	register unsigned long r12 __asm__("r12") = n;
+	register unsigned long r3 __asm__("r3");
+	register unsigned long r5 __asm__("r5") = a;
+	__asm__ __volatile__ ("brki r14, 0x8" : "=r"(r3)
+		: "r"(r12), "r"(r5)
+		: "memory");
+	return r3;
+}
+
+static inline long __syscall2(long n, long a, long b)
+{
+	register unsigned long r12 __asm__("r12") = n;
+	register unsigned long r3 __asm__("r3");
+	register unsigned long r5 __asm__("r5") = a;
+	register unsigned long r6 __asm__("r6") = b;
+	__asm__ __volatile__ ("brki r14, 0x8" : "=r"(r3)
+		: "r"(r12), "r"(r5), "r"(r6)
+		: "memory");
+	return r3;
+}
+
+static inline long __syscall3(long n, long a, long b, long c)
+{
+	register unsigned long r12 __asm__("r12") = n;
+	register unsigned long r3 __asm__("r3");
+	register unsigned long r5 __asm__("r5") = a;
+	register unsigned long r6 __asm__("r6") = b;
+	register unsigned long r7 __asm__("r7") = c;
+	__asm__ __volatile__ ("brki r14, 0x8" : "=r"(r3)
+		: "r"(r12), "r"(r5), "r"(r6), "r"(r7)
+		: "memory");
+	return r3;
+}
+
+static inline long __syscall4(long n, long a, long b, long c, long d)
+{
+	register unsigned long r12 __asm__("r12") = n;
+	register unsigned long r3 __asm__("r3");
+	register unsigned long r5 __asm__("r5") = a;
+	register unsigned long r6 __asm__("r6") = b;
+	register unsigned long r7 __asm__("r7") = c;
+	register unsigned long r8 __asm__("r8") = d;
+	__asm__ __volatile__ ("brki r14, 0x8" : "=r"(r3)
+		: "r"(r12), "r"(r5), "r"(r6), "r"(r7), "r"(r8)
+		: "memory");
+	return r3;
+}
+
+static inline long __syscall5(long n, long a, long b, long c, long d, long e)
+{
+	register unsigned long r12 __asm__("r12") = n;
+	register unsigned long r3 __asm__("r3");
+	register unsigned long r5 __asm__("r5") = a;
+	register unsigned long r6 __asm__("r6") = b;
+	register unsigned long r7 __asm__("r7") = c;
+	register unsigned long r8 __asm__("r8") = d;
+	register unsigned long r9 __asm__("r9") = e;
+	__asm__ __volatile__ ("brki r14, 0x8" : "=r"(r3)
+		: "r"(r12), "r"(r5), "r"(r6), "r"(r7), "r"(r8), "r"(r9)
+		: "memory");
+	return r3;
+}
+
+static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
+{
+	register unsigned long r12 __asm__("r12") = n;
+	register unsigned long r3 __asm__("r3");
+	register unsigned long r5 __asm__("r5") = a;
+	register unsigned long r6 __asm__("r6") = b;
+	register unsigned long r7 __asm__("r7") = c;
+	register unsigned long r8 __asm__("r8") = d;
+	register unsigned long r9 __asm__("r9") = e;
+	register unsigned long r10 __asm__("r10") = f;
+	__asm__ __volatile__ ("brki r14, 0x8" : "=r"(r3)
+		: "r"(r12), "r"(r5), "r"(r6), "r"(r7), "r"(r8), "r"(r9), "r"(r10)
+		: "memory");
+	return r3;
+}
+
+#else
+
 static inline long __syscall0(long n)
 {
 	return (__syscall)(n);
@@ -39,3 +134,5 @@ static inline long __syscall6(long n, long a, long b, long c, long d, long e, lo
 {
 	return (__syscall)(n, a, b, c, d, e, f);
 }
+
+#endif