diff options
Diffstat (limited to 'arch/xtensa/platforms/iss/include/platform/simcall.h')
| -rw-r--r-- | arch/xtensa/platforms/iss/include/platform/simcall.h | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/arch/xtensa/platforms/iss/include/platform/simcall.h b/arch/xtensa/platforms/iss/include/platform/simcall.h index 2ba45858e50a..f42870ab551b 100644 --- a/arch/xtensa/platforms/iss/include/platform/simcall.h +++ b/arch/xtensa/platforms/iss/include/platform/simcall.h @@ -66,19 +66,17 @@ static int errno; static inline int __simc(int a, int b, int c, int d) { - int ret; register int a1 asm("a2") = a; register int b1 asm("a3") = b; register int c1 asm("a4") = c; register int d1 asm("a5") = d; __asm__ __volatile__ ( "simcall\n" - "mov %0, a2\n" - "mov %1, a3\n" - : "=a" (ret), "=a" (errno), "+r"(a1), "+r"(b1) + : "+r"(a1), "+r"(b1) : "r"(c1), "r"(d1) : "memory"); - return ret; + errno = b1; + return a1; } static inline int simc_exit(int exit_code) @@ -113,9 +111,9 @@ static inline int simc_write(int fd, const void *buf, size_t count) static inline int simc_poll(int fd) { - struct timeval tv = { .tv_sec = 0, .tv_usec = 0 }; + long timeval[2] = { 0, 0 }; - return __simc(SYS_select_one, fd, XTISS_SELECT_ONE_READ, (int)&tv); + return __simc(SYS_select_one, fd, XTISS_SELECT_ONE_READ, (int)&timeval); } static inline int simc_lseek(int fd, uint32_t off, int whence) |