forked from luck/tmp_suning_uos_patched
9d56dd3b08
The old ctrl in/out routines are non-portable and unsuitable for cross-platform use. While drivers/sh has already been sanitized, there is still quite a lot of code that is not. This converts the arch/sh/ bits over, which permits us to flag the routines as deprecated whilst still building with -Werror for the architecture code, and to ensure that future users are not added. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
#ifndef __ASM_SH_MMU_CONTEXT_32_H
|
|
#define __ASM_SH_MMU_CONTEXT_32_H
|
|
|
|
/*
|
|
* Destroy context related info for an mm_struct that is about
|
|
* to be put to rest.
|
|
*/
|
|
static inline void destroy_context(struct mm_struct *mm)
|
|
{
|
|
/* Do nothing */
|
|
}
|
|
|
|
#ifdef CONFIG_CPU_HAS_PTEAEX
|
|
static inline void set_asid(unsigned long asid)
|
|
{
|
|
__raw_writel(asid, MMU_PTEAEX);
|
|
}
|
|
|
|
static inline unsigned long get_asid(void)
|
|
{
|
|
return __raw_readl(MMU_PTEAEX) & MMU_CONTEXT_ASID_MASK;
|
|
}
|
|
#else
|
|
static inline void set_asid(unsigned long asid)
|
|
{
|
|
unsigned long __dummy;
|
|
|
|
__asm__ __volatile__ ("mov.l %2, %0\n\t"
|
|
"and %3, %0\n\t"
|
|
"or %1, %0\n\t"
|
|
"mov.l %0, %2"
|
|
: "=&r" (__dummy)
|
|
: "r" (asid), "m" (__m(MMU_PTEH)),
|
|
"r" (0xffffff00));
|
|
}
|
|
|
|
static inline unsigned long get_asid(void)
|
|
{
|
|
unsigned long asid;
|
|
|
|
__asm__ __volatile__ ("mov.l %1, %0"
|
|
: "=r" (asid)
|
|
: "m" (__m(MMU_PTEH)));
|
|
asid &= MMU_CONTEXT_ASID_MASK;
|
|
return asid;
|
|
}
|
|
#endif /* CONFIG_CPU_HAS_PTEAEX */
|
|
|
|
/* MMU_TTB is used for optimizing the fault handling. */
|
|
static inline void set_TTB(pgd_t *pgd)
|
|
{
|
|
__raw_writel((unsigned long)pgd, MMU_TTB);
|
|
}
|
|
|
|
static inline pgd_t *get_TTB(void)
|
|
{
|
|
return (pgd_t *)__raw_readl(MMU_TTB);
|
|
}
|
|
#endif /* __ASM_SH_MMU_CONTEXT_32_H */
|