1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef __ASM_SH_SYSTEM_32_H
13#define __ASM_SH_SYSTEM_32_H
14
15#include <linux/types.h>
16
17struct task_struct *__switch_to(struct task_struct *prev,
18 struct task_struct *next);
19
20#define switch_to(prev, next, last)  do {   register u32 *__ts1 __asm__ ("r1") = (u32 *)&prev->thread.sp;   register u32 *__ts2 __asm__ ("r2") = (u32 *)&prev->thread.pc;   register u32 *__ts4 __asm__ ("r4") = (u32 *)prev;   register u32 *__ts5 __asm__ ("r5") = (u32 *)next;   register u32 *__ts6 __asm__ ("r6") = (u32 *)&next->thread.sp;   register u32 __ts7 __asm__ ("r7") = next->thread.pc;   struct task_struct *__last;     __asm__ __volatile__ (   ".balign 4\n\t"   "stc.l	gbr, @-r15\n\t"   "sts.l	pr, @-r15\n\t"   "mov.l	r8, @-r15\n\t"   "mov.l	r9, @-r15\n\t"   "mov.l	r10, @-r15\n\t"   "mov.l	r11, @-r15\n\t"   "mov.l	r12, @-r15\n\t"   "mov.l	r13, @-r15\n\t"   "mov.l	r14, @-r15\n\t"   "mov.l	r15, @r1\t! save SP\n\t"   "mov.l	@r6, r15\t! change to new stack\n\t"   "mova	1f, %0\n\t"   "mov.l	%0, @r2\t! save PC\n\t"   "mov.l	2f, %0\n\t"   "jmp	@%0\t! call __switch_to\n\t"   " lds	r7, pr\t!  with return to new PC\n\t"   ".balign	4\n"   "2:\n\t"   ".long	__switch_to\n"   "1:\n\t"   "mov.l	@r15+, r14\n\t"   "mov.l	@r15+, r13\n\t"   "mov.l	@r15+, r12\n\t"   "mov.l	@r15+, r11\n\t"   "mov.l	@r15+, r10\n\t"   "mov.l	@r15+, r9\n\t"   "mov.l	@r15+, r8\n\t"   "lds.l	@r15+, pr\n\t"   "ldc.l	@r15+, gbr\n\t"   : "=z" (__last)   : "r" (__ts1), "r" (__ts2), "r" (__ts4),   "r" (__ts5), "r" (__ts6), "r" (__ts7)   : "r3", "t");     last = __last;  } while (0)
21
22#define __uses_jump_to_uncached __attribute__ ((__section__ (".uncached.text")))
23
24#define jump_to_uncached()  do {   unsigned long __dummy;     __asm__ __volatile__(   "mova	1f, %0\n\t"   "add	%1, %0\n\t"   "jmp	@%0\n\t"   " nop\n\t"   ".balign 4\n"   "1:"   : "=&z" (__dummy)   : "r" (cached_to_uncached));  } while (0)
25
26#define back_to_cached()  do {   unsigned long __dummy;   ctrl_barrier();   __asm__ __volatile__(   "mov.l	1f, %0\n\t"   "jmp	@%0\n\t"   " nop\n\t"   ".balign 4\n"   "1:	.long 2f\n"   "2:"   : "=&r" (__dummy));  } while (0)
27
28#endif
29