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#ifndef __ASM_SH_SYSTEM_64_H
#define __ASM_SH_SYSTEM_64_H
/*
* include/asm-sh/system_64.h
*
* Copyright (C) 2000, 2001 Paolo Alberelli
* Copyright (C) 2003 Paul Mundt
* Copyright (C) 2004 Richard Curnow
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <cpu/registers.h>
#include <asm/processor.h>
/*
* switch_to() should switch tasks to task nr n, first
*/
struct task_struct *sh64_switch_to(struct task_struct *prev,
struct thread_struct *prev_thread,
struct task_struct *next,
struct thread_struct *next_thread);
#define switch_to(prev,next,last) \
do { \
if (last_task_used_math != next) { \
struct pt_regs *regs = next->thread.uregs; \
if (regs) regs->sr |= SR_FD; \
} \
last = sh64_switch_to(prev, &prev->thread, next, \
&next->thread); \
} while (0)
#define __uses_jump_to_uncached
#define jump_to_uncached() do { } while (0)
#define back_to_cached() do { } while (0)
#define __icbi(addr) __asm__ __volatile__ ( "icbi %0, 0\n\t" : : "r" (addr))
#define __ocbp(addr) __asm__ __volatile__ ( "ocbp %0, 0\n\t" : : "r" (addr))
#define __ocbi(addr) __asm__ __volatile__ ( "ocbi %0, 0\n\t" : : "r" (addr))
#define __ocbwb(addr) __asm__ __volatile__ ( "ocbwb %0, 0\n\t" : : "r" (addr))
static inline reg_size_t register_align(void *val)
{
return (unsigned long long)(signed long long)(signed long)val;
}
#define SR_BL_LL 0x0000000010000000LL
static inline void set_bl_bit(void)
{
unsigned long long __dummy0, __dummy1 = SR_BL_LL;
__asm__ __volatile__("getcon " __SR ", %0\n\t"
"or %0, %1, %0\n\t"
"putcon %0, " __SR "\n\t"
: "=&r" (__dummy0)
: "r" (__dummy1));
}
static inline void clear_bl_bit(void)
{
unsigned long long __dummy0, __dummy1 = ~SR_BL_LL;
__asm__ __volatile__("getcon " __SR ", %0\n\t"
"and %0, %1, %0\n\t"
"putcon %0, " __SR "\n\t"
: "=&r" (__dummy0)
: "r" (__dummy1));
}
#endif /* __ASM_SH_SYSTEM_64_H */
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