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"

SYS_FUNC(or1k_atomic)
{
	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_DECODED | RVAL_HEX;
}

#endif /* OR1K */