URL
https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk
Subversion Repositories openrisc_me
[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [libgloss/] [iq2000/] [trap.c] - Rev 455
Go to most recent revision | Compare with Previous | Blame | View Log
// Perform a system call. // Unused parameters should be set to 0. int __trap0(unsigned long func, unsigned long p1, unsigned long p2, unsigned long p3) { int ret = 0; asm volatile ("nop\n\tor %%4,%%0,%0" : : "r"(func)); asm volatile ("nop\n\tor %%5,%%0,%0" : : "r"(p1)); asm volatile ("nop\n\tor %%6,%%0,%0" : : "r"(p2)); asm volatile ("nop\n\tor %%7,%%0,%0" : : "r"(p3)); asm volatile ("nop\n\tor %%11,%%0,%0" : : "r"(func)); asm volatile ("syscall\n\tnop\n\tor %0,%%0,%%2" : "=r"(ret)); return ret; }
Go to most recent revision | Compare with Previous | Blame | View Log