1 /****************************************************************************
2 ****************************************************************************
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.
10 ****************************************************************************
11 ****************************************************************************/
12 #ifndef __ASM_SH_SYSTEM_H
13 #define __ASM_SH_SYSTEM_H
15 #include <linux/irqflags.h>
16 #include <linux/compiler.h>
17 #include <linux/linkage.h>
18 #include <asm/types.h>
19 #include <asm/ptrace.h>
21 #define AT_VECTOR_SIZE_ARCH 5
23 #define __icbi() { unsigned long __addr; __addr = 0xa8000000; __asm__ __volatile__( "icbi %0\n\t" : : "m" (__m(__addr))); }
25 #define mb() __asm__ __volatile__ ("synco": : :"memory")
27 #define wmb() __asm__ __volatile__ ("synco": : :"memory")
28 #define ctrl_barrier() __icbi()
29 #define read_barrier_depends() do { } while(0)
31 #define smp_mb() barrier()
32 #define smp_rmb() barrier()
33 #define smp_wmb() barrier()
34 #define smp_read_barrier_depends() do { } while(0)
36 #define set_mb(var, value) do { (void)xchg(&var, value); } while (0)
38 #include <asm/cmpxchg-irq.h>
40 #define __xchg(ptr, x, size) ({ unsigned long __xchg__res; volatile void *__xchg_ptr = (ptr); switch (size) { case 4: __xchg__res = xchg_u32(__xchg_ptr, x); break; case 1: __xchg__res = xchg_u8(__xchg_ptr, x); break; default: __xchg_called_with_bad_pointer(); __xchg__res = x; break; } __xchg__res; })
42 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((ptr),(unsigned long)(x), sizeof(*(ptr))))
44 #define __HAVE_ARCH_CMPXCHG 1
46 #define cmpxchg(ptr,o,n) ({ __typeof__(*(ptr)) _o_ = (o); __typeof__(*(ptr)) _n_ = (n); (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, (unsigned long)_n_, sizeof(*(ptr))); })
48 #define instruction_size(insn) (2)
50 #define BUILD_TRAP_HANDLER(name) asmlinkage void name##_trap_handler(unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7, struct pt_regs __regs)
52 #define TRAP_HANDLER_DECL struct pt_regs *regs = RELOC_HIDE(&__regs, 0); unsigned int vec = regs->tra; (void)vec;
54 #define arch_align_stack(x) (x)
57 unsigned long (*from)(void *dst, const void *src, unsigned long cnt);
58 unsigned long (*to)(void *dst, const void *src, unsigned long cnt);
61 #include "system_32.h"