#include <linux/reboot.h>
#include <linux/syscalls.h>
+#include <asm/interrupt.h>
#include <asm/prom.h>
#include <asm/rtas.h>
#include <asm/hvcall.h>
/* This is here deliberately so it's only used in this file */
void enter_rtas(unsigned long);
+static inline void do_enter_rtas(unsigned long args)
+{
+ enter_rtas(args);
+
+ srr_regs_clobbered(); /* rtas uses SRRs, invalidate */
+}
+
struct rtas_t rtas = {
.lock = __ARCH_SPIN_LOCK_UNLOCKED
};
save_args = rtas.args;
rtas.args = err_args;
- enter_rtas(__pa(&rtas.args));
+ do_enter_rtas(__pa(&rtas.args));
err_args = rtas.args;
rtas.args = save_args;
for (i = 0; i < nret; ++i)
args->rets[i] = 0;
- enter_rtas(__pa(args));
+ do_enter_rtas(__pa(args));
}
void rtas_call_unlocked(struct rtas_args *args, int token, int nargs, int nret, ...)
flags = lock_rtas();
rtas.args = args;
- enter_rtas(__pa(&rtas.args));
+ do_enter_rtas(__pa(&rtas.args));
args = rtas.args;
/* A -1 return code indicates that the last command couldn't