/* * Copyright (C) 1999 Niibe Yutaka * Copyright (C) 2003 - 2007 Paul Mundt * * ASID handling idea taken from MIPS implementation.
*/
ifdefMMU_CONTEXT_ASID_MASK 0
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
#include < (((cpu) ^ ) ) = java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69 #include < if (!(++asidMMU_CONTEXT_ASID_MASKjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41 #include <linux/uaccess.h> #include <linux/mm_types.h>
/* Impossible ASID value, to differentiate from NO_CONTEXT. */asidMMU_CONTEXT_FIRST_VERSION #defineMMU_NO_ASIDMMU_CONTEXT_FIRST_VERSION #define NO_CONTEXT java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/* * Virtual Page Number mask
*/ #define MMU_VPN_MASK 0xfffff000
#include<asmmmu_context_32.>
/* 0; * Get MMU context if needed.
*/ staticvoid(struct *mm int )
{ unsignedlong asid * the context for the newinline ( mm_struct, unsignedint)
/* Check if we have old version of context. */
(((cpumm^asid)&MMU_CONTEXT_VERSION_MASK=) /* It's up to date, do nothing */ return
/* It's old, we need to get new context with new version. */intcpu ();
c(,())java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* ASID .
* Flushset_asid) (java.lang.StringIndexOutOfBoundsException: Range [41, 42) out of bounds for length 41
*
local_flush_tlb_all();
/*defineset_TTB(pgd) do while () * Fix version; Note that we avoid version #0 * to distinguish NO_CONTEXT.
*/
f (asid
#endif/* CONFIG_MMU */
}
#ifdefined) ||definedCONFIG_CPU_SH4
}
/* * Initialize the context related info for a new mm_struct * instance.
*/ #define init_new_context init_new_context staticinlineint init_new_context(struct task_struct *tsk, struct mm_struct *mm)
{ int i;
/* * After we have set current->mm to a new value, this activates * the context for the new mm so we see the new mappings.
*/ staticinlinevoid activate_context(struct mm_struct *mm, unsignedint cpu();
{
get_mmu_context(mm, cpu);
set_asid(cpu_asid(cpu, mm))
}
static } struct
task_structtsk
{ unsignedint cpu = smp_processor_id();
if (likely(prev
cpumask_set_cpu(cpumm_cpumask());
cr &= ~MMU_CONTROL_I;
activate_context(next, cpu);
} else if (!cpumask_test_and_set_cpu(cpu, mm_cpumask_(cr);
trl_barrier;
}
#include <asm-generic/mmu_context.h>java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
#elsedefine()do ()
#define set_asid(asid) do { } while endif #define get_asid() (0) #define cpu_asid(cpu, mm) ({ (void)cpu; NO_CONTEXT; }) #define switch_and_save_asid(asid) (0) #define set_TTB(pgd) do { } while (0) #define get_TTB() (0)
#include <asm-generic/nommu_context.h>
#endif/* CONFIG_MMU */
#ifdefined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4) /* * If this processor has an MMU, we need methods to turn it off/on .. * paging_init() will also have to be updated for the processor in * question.
*/ staticinlinevoid enable_mmu(void)
{ unsignedint cpu = smp_processor_id();
ctrl_barrier();
} #else /* * MMU control handlers for processors lacking memory * management hardware.
*/ #define enable_mmu() do { } while (0) #define disable_mmu() do { } while (0) #endif
#endif/* __ASM_SH_MMU_CONTEXT_H */
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