1 /* { dg-options "-O2" } */
2 
3 typedef __INTPTR_TYPE__ intptr_t;
4 typedef unsigned long long uint64_t;
5 extern void linker_error (void);
6 
cvmx_write64_uint64(uint64_t addr,uint64_t val)7 static inline void cvmx_write64_uint64(uint64_t addr, uint64_t val)
8 {
9   *(volatile uint64_t *)(intptr_t)addr = val;
10 };
cvmx_read64_uint64(uint64_t addr)11 static inline uint64_t cvmx_read64_uint64(uint64_t addr)
12 {
13   return *(volatile uint64_t *)(intptr_t)addr;
14 };
15 
cvmx_write_csr(uint64_t csr_addr,uint64_t val)16 static inline void cvmx_write_csr(uint64_t csr_addr, uint64_t val)
17 {
18     cvmx_write64_uint64 (csr_addr, val);
19     if ((csr_addr >> 40) != 0x800118)
20       linker_error ();
21 }
22 
23 int uart;
24 
25 int
main()26 main ()
27 {
28   cvmx_write_csr (((((uint64_t) 2LL) << 62)
29 		   | (0x0001180000000808ull+((uart&0xff)*1024))),
30 		  0xfff);
31   return 0;
32 }
33