#ifndef __CR_ASM_RESTORER_H__
#define __CR_ASM_RESTORER_H__

#include <asm/sigcontext.h>
#include <sys/ucontext.h>

#include "asm/types.h"
#include "images/core.pb-c.h"

#include <compel/asm/sigframe.h>

#define RUN_CLONE_RESTORE_FN(ret, clone_flags, new_sp, parent_tid,		\
			     thread_args, clone_restore_fn)			\
	asm volatile(								\
			"clone_emul:					\n"	\
			"ldr x1, %2					\n"	\
			"and x1, x1, #~15				\n"	\
			"sub x1, x1, #16				\n"	\
			"stp %5, %6, [x1]				\n"	\
			"mov x0, %1					\n"	\
			"mov x2, %3					\n"	\
			"mov x3, %4					\n"	\
			"mov x8, #"__stringify(__NR_clone)"		\n"	\
			"svc #0						\n"	\
										\
			"cbz x0, thread_run				\n"	\
										\
			"mov %0, x0					\n"	\
			"b   clone_end					\n"	\
										\
			"thread_run:					\n"	\
			"ldp x1, x0, [sp]				\n"	\
			"br  x1						\n"	\
										\
			"clone_end:					\n"	\
			: "=r"(ret)						\
			: "r"(clone_flags),					\
			  "m"(new_sp),						\
			  "r"(&parent_tid),					\
			  "r"(&thread_args[i].pid),				\
			  "r"(clone_restore_fn),				\
			  "r"(&thread_args[i])					\
			: "x0", "x1", "x2", "x3", "x8", "memory")

#define ARCH_FAIL_CORE_RESTORE					\
	asm volatile(						\
			"mov sp, %0			\n"	\
			"mov x0, #0			\n"	\
			"b   x0				\n"	\
			:					\
			: "r"(ret)				\
			: "sp", "x0", "memory")


#define kdat_compat_sigreturn_test()			0

int restore_gpregs(struct rt_sigframe *f, UserAarch64RegsEntry *r);
int restore_nonsigframe_gpregs(UserAarch64RegsEntry *r);

static inline void restore_tls(tls_t *ptls)
{
	asm("msr tpidr_el0, %0" : : "r" (*ptls));
}

static inline void *alloc_compat_syscall_stack(void) { return NULL; }
static inline void free_compat_syscall_stack(void *stack32) { }
static inline int
arch_compat_rt_sigaction(void *stack, int sig, void *act) { return -1; }

#endif
