#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) __SYSCALL_LL_E((x)) /* The extra OR instructions are to work around a hardware bug: * http://documentation.renesas.com/doc/products/mpumcu/tu/tnsh7456ae.pdf */ #define __asm_syscall(trapno, ...) do { \ __asm__ __volatile__ ( \ "trapa #" #trapno "\n" \ "or r0, r0\n" \ "or r0, r0\n" \ "or r0, r0\n" \ "or r0, r0\n" \ "or r0, r0\n" \ : "=r"(r0) : __VA_ARGS__ : "memory"); \ return r0; \ } while (0) static inline long __syscall0(long n) { register long r3 __asm__("r3") = n; register long r0 __asm__("r0"); __asm_syscall(16, "r"(r3)); } static inline long __syscall1(long n, long a) { register long r3 __asm__("r3") = n; register long r4 __asm__("r4") = a; register long r0 __asm__("r0"); __asm_syscall(17, "r"(r3), "r"(r4)); } static inline long __syscall2(long n, long a, long b) { register long r3 __asm__("r3") = n; register long r4 __asm__("r4") = a; register long r5 __asm__("r5") = b; register long r0 __asm__("r0"); __asm_syscall(18, "r"(r3), "r"(r4), "r"(r5)); } static inline long __syscall3(long n, long a, long b, long c) { register long r3 __asm__("r3") = n; register long r4 __asm__("r4") = a; register long r5 __asm__("r5") = b; register long r6 __asm__("r6") = c; register long r0 __asm__("r0"); __asm_syscall(19, "r"(r3), "r"(r4), "r"(r5), "r"(r6)); } static inline long __syscall4(long n, long a, long b, long c, long d) { register long r3 __asm__("r3") = n; register long r4 __asm__("r4") = a; register long r5 __asm__("r5") = b; register long r6 __asm__("r6") = c; register long r7 __asm__("r7") = d; register long r0 __asm__("r0"); __asm_syscall(20, "r"(r3), "r"(r4), "r"(r5), "r"(r6), "r"(r7)); } static inline long __syscall5(long n, long a, long b, long c, long d, long e) { register long r3 __asm__("r3") = n; register long r4 __asm__("r4") = a; register long r5 __asm__("r5") = b; register long r6 __asm__("r6") = c; register long r7 __asm__("r7") = d; register long r0 __asm__("r0") = e; __asm_syscall(21, "r"(r3), "r"(r4), "r"(r5), "r"(r6), "r"(r7), "0"(r0)); } static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f) { register long r3 __asm__("r3") = n; register long r4 __asm__("r4") = a; register long r5 __asm__("r5") = b; register long r6 __asm__("r6") = c; register long r7 __asm__("r7") = d; register long r0 __asm__("r0") = e; register long r1 __asm__("r1") = f; __asm_syscall(22, "r"(r3), "r"(r4), "r"(r5), "r"(r6), "r"(r7), "0"(r0), "r"(r1)); }