or1k_atomic.c

#include "defs.h"

#ifdef OR1K

#define OR1K_ATOMIC_SWAP        1
#define OR1K_ATOMIC_CMPXCHG     2
#define OR1K_ATOMIC_XCHG        3
#define OR1K_ATOMIC_ADD         4
#define OR1K_ATOMIC_DECPOS      5
#define OR1K_ATOMIC_AND         6
#define OR1K_ATOMIC_OR          7
#define OR1K_ATOMIC_UMAX        8
#define OR1K_ATOMIC_UMIN        9

#include "xlat/atomic_ops.h"

int sys_or1k_atomic(struct tcb *tcp)
{
	if (entering(tcp)) {
		printxval(atomic_ops, tcp->u_arg[0], "???");
		switch(tcp->u_arg[0]) {
		case OR1K_ATOMIC_SWAP:
			tprintf(", 0x%lx, 0x%lx", tcp->u_arg[1], tcp->u_arg[2]);
			break;
		case OR1K_ATOMIC_CMPXCHG:
			tprintf(", 0x%lx, %#lx, %#lx", tcp->u_arg[1], tcp->u_arg[2],
				tcp->u_arg[3]);
			break;

		case OR1K_ATOMIC_XCHG:
		case OR1K_ATOMIC_ADD:
		case OR1K_ATOMIC_AND:
		case OR1K_ATOMIC_OR:
		case OR1K_ATOMIC_UMAX:
		case OR1K_ATOMIC_UMIN:
			tprintf(", 0x%lx, %#lx", tcp->u_arg[1], tcp->u_arg[2]);
			break;

		case OR1K_ATOMIC_DECPOS:
			tprintf(", 0x%lx", tcp->u_arg[1]);
			break;

		default:
			break;
		}
	}

	return RVAL_HEX;
}

#endif /* OR1K */