diff options
Diffstat (limited to 'arch/or1k/syscall_arch.h')
| -rw-r--r-- | arch/or1k/syscall_arch.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/arch/or1k/syscall_arch.h b/arch/or1k/syscall_arch.h new file mode 100644 index 00000000..aa1e623d --- /dev/null +++ b/arch/or1k/syscall_arch.h @@ -0,0 +1,154 @@ +#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, ...); + +#ifndef __clang__ + +static __inline long __syscall0(long n) +{ + register unsigned long r11 __asm__("r11") = n; + __asm__ __volatile__ ("l.sys 1" + : "=r"(r11) + : "r"(r11) + : "memory", "r3", "r4", "r5", "r6", "r7", "r8", + "r12", "r13", "r15", "r17", "r19", "r21", + "r23", "r25", "r27", "r29", "r31"); + return r11; +} + +static inline long __syscall1(long n, long a) +{ + register unsigned long r11 __asm__("r11") = n; + register unsigned long r3 __asm__("r3") = a; + __asm__ __volatile__ ("l.sys 1" + : "=r"(r11) + : "r"(r11), "r"(r3) + : "memory", "r4", "r5", "r6", "r7", "r8", + "r12", "r13", "r15", "r17", "r19", "r21", + "r23", "r25", "r27", "r29", "r31"); + return r11; +} + +static inline long __syscall2(long n, long a, long b) +{ + register unsigned long r11 __asm__("r11") = n; + register unsigned long r3 __asm__("r3") = a; + register unsigned long r4 __asm__("r4") = b; + __asm__ __volatile__ ("l.sys 1" + : "=r"(r11) + : "r"(r11), "r"(r3), "r"(r4) + : "memory", "r5", "r6", "r7", "r8", + "r12", "r13", "r15", "r17", "r19", "r21", + "r23", "r25", "r27", "r29", "r31"); + return r11; +} + +static inline long __syscall3(long n, long a, long b, long c) +{ + register unsigned long r11 __asm__("r11") = n; + register unsigned long r3 __asm__("r3") = a; + register unsigned long r4 __asm__("r4") = b; + register unsigned long r5 __asm__("r5") = c; + __asm__ __volatile__ ("l.sys 1" + : "=r"(r11) + : "r"(r11), "r"(r3), "r"(r4), "r"(r5) + : "memory", "r6", "r7", "r8", + "r12", "r13", "r15", "r17", "r19", "r21", + "r23", "r25", "r27", "r29", "r31"); + return r11; +} + +static inline long __syscall4(long n, long a, long b, long c, long d) +{ + register unsigned long r11 __asm__("r11") = n; + register unsigned long r3 __asm__("r3") = a; + register unsigned long r4 __asm__("r4") = b; + register unsigned long r5 __asm__("r5") = c; + register unsigned long r6 __asm__("r6") = d; + __asm__ __volatile__ ("l.sys 1" + : "=r"(r11) + : "r"(r11), "r"(r3), "r"(r4), "r"(r5), "r"(r6) + : "memory", "r7", "r8", + "r12", "r13", "r15", "r17", "r19", "r21", + "r23", "r25", "r27", "r29", "r31"); + return r11; +} + +static inline long __syscall5(long n, long a, long b, long c, long d, long e) +{ + register unsigned long r11 __asm__("r11") = n; + register unsigned long r3 __asm__("r3") = a; + register unsigned long r4 __asm__("r4") = b; + register unsigned long r5 __asm__("r5") = c; + register unsigned long r6 __asm__("r6") = d; + register unsigned long r7 __asm__("r7") = e; + __asm__ __volatile__ ("l.sys 1" + : "=r"(r11) + : "r"(r11), "r"(r3), "r"(r4), "r"(r5), "r"(r6), + "r"(r7) + : "memory", "r8", + "r12", "r13", "r15", "r17", "r19", "r21", + "r23", "r25", "r27", "r29", "r31"); + return r11; +} + +static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f) +{ + register unsigned long r11 __asm__("r11") = n; + register unsigned long r3 __asm__("r3") = a; + register unsigned long r4 __asm__("r4") = b; + register unsigned long r5 __asm__("r5") = c; + register unsigned long r6 __asm__("r6") = d; + register unsigned long r7 __asm__("r7") = e; + register unsigned long r8 __asm__("r8") = f; + __asm__ __volatile__ ("l.sys 1" + : "=r"(r11) + : "r"(r11), "r"(r3), "r"(r4), "r"(r5), "r"(r6), + "r"(r7), "r"(r8) + : "memory", + "r12", "r13", "r15", "r17", "r19", "r21", + "r23", "r25", "r27", "r29", "r31"); + return r11; +} + +#else + +static inline long __syscall0(long n) +{ + return (__syscall)(n); +} + +static inline long __syscall1(long n, long a) +{ + return (__syscall)(n, a); +} + +static inline long __syscall2(long n, long a, long b) +{ + return (__syscall)(n, a, b); +} + +static inline long __syscall3(long n, long a, long b, long c) +{ + return (__syscall)(n, a, b, c); +} + +static inline long __syscall4(long n, long a, long b, long c, long d) +{ + return (__syscall)(n, a, b, c, d); +} + +static inline long __syscall5(long n, long a, long b, long c, long d, long e) +{ + return (__syscall)(n, a, b, c, d, e); +} + +static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f) +{ + return (__syscall)(n, a, b, c, d, e, f); +} + +#endif |