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Ignore whitespace Rev 1214 → Rev 1215

/kernel/trunk/arch/ppc32/include/mm/frame.h
30,7 → 30,7
#define __ppc32_FRAME_H__
 
#define FRAME_WIDTH 12 /* 4K */
#define FRAME_SIZE (1<<FRAME_WIDTH)
#define FRAME_SIZE (1 << FRAME_WIDTH)
 
#ifdef KERNEL
#ifndef __ASM__
/kernel/trunk/arch/ppc32/include/mm/page.h
44,41 → 44,54
# define PA2KA(x) ((x) + 0x80000000)
#endif
 
#define PTL0_ENTRIES_ARCH 0
#define PTL1_ENTRIES_ARCH 0
#define PTL2_ENTRIES_ARCH 0
#define PTL3_ENTRIES_ARCH 0
/*
* Implementation of generic 4-level page table interface,
* the hardware Page Hash Table is used as cache.
*
* Page table layout:
* - 32-bit virtual addressess
* - Offset is 12 bits => pages are 4K long
* - PTL0 has 1024 entries (10 bits)
* - PTL1 is not used
* - PTL2 is not used
* - PLT3 has 1024 entries (10 bits)
*/
 
#define PTL0_INDEX_ARCH(vaddr) 0
#define PTL1_INDEX_ARCH(vaddr) 0
#define PTL2_INDEX_ARCH(vaddr) 0
#define PTL3_INDEX_ARCH(vaddr) 0
#define PTL0_ENTRIES_ARCH 1024
#define PTL1_ENTRIES_ARCH 0
#define PTL2_ENTRIES_ARCH 0
#define PTL3_ENTRIES_ARCH 1024
 
#define PTL0_INDEX_ARCH(vaddr) (((vaddr) >> 22) & 0x3ff)
#define PTL1_INDEX_ARCH(vaddr) 0
#define PTL2_INDEX_ARCH(vaddr) 0
#define PTL3_INDEX_ARCH(vaddr) (((vaddr) >> 12) & 0x3ff)
 
#define SET_PTL0_ADDRESS_ARCH(ptl0)
 
#define GET_PTL1_ADDRESS_ARCH(ptl0, i) ((pte_t *) 0)
#define GET_PTL2_ADDRESS_ARCH(ptl1, i) ((pte_t *) 0)
#define GET_PTL3_ADDRESS_ARCH(ptl2, i) ((pte_t *) 0)
#define GET_FRAME_ADDRESS_ARCH(ptl3, i) ((pte_t *) 0)
#define GET_PTL1_ADDRESS_ARCH(ptl0, i) (((pte_t *) (ptl0))[(i)].pfn << 12)
#define GET_PTL2_ADDRESS_ARCH(ptl1, i) (ptl1)
#define GET_PTL3_ADDRESS_ARCH(ptl2, i) (ptl2)
#define GET_FRAME_ADDRESS_ARCH(ptl3, i) (((pte_t *) (ptl3))[(i)].pfn << 12)
 
#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a)
#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) (((pte_t *) (ptl0))[(i)].pfn = (a) >> 12)
#define SET_PTL2_ADDRESS_ARCH(ptl1, i, a)
#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a)
#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a)
#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) (((pte_t *) (ptl3))[(i)].pfn = (a) >> 12)
 
#define GET_PTL1_FLAGS_ARCH(ptl0, i) 0
#define GET_PTL2_FLAGS_ARCH(ptl1, i) 0
#define GET_PTL3_FLAGS_ARCH(ptl2, i) 0
#define GET_FRAME_FLAGS_ARCH(ptl3, i) 0
#define GET_PTL1_FLAGS_ARCH(ptl0, i) get_pt_flags((pte_t *) (ptl0), (index_t) (i))
#define GET_PTL2_FLAGS_ARCH(ptl1, i) PAGE_PRESENT
#define GET_PTL3_FLAGS_ARCH(ptl2, i) PAGE_PRESENT
#define GET_FRAME_FLAGS_ARCH(ptl3, i) get_pt_flags((pte_t *) (ptl3), (index_t) (i))
 
#define SET_PTL1_FLAGS_ARCH(ptl0, i, x)
#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) set_pt_flags((pte_t *) (ptl0), (index_t) (i), (x))
#define SET_PTL2_FLAGS_ARCH(ptl1, i, x)
#define SET_PTL3_FLAGS_ARCH(ptl2, i, x)
#define SET_FRAME_FLAGS_ARCH(ptl3, i, x)
#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) set_pt_flags((pte_t *) (ptl3), (index_t) (i), (x))
 
#define PTE_VALID_ARCH(p) 1
#define PTE_PRESENT_ARCH(p) 1
#define PTE_GET_FRAME_ARCH(p) 0
#define PTE_VALID_ARCH(pte) (*((__u32 *) (pte)) != 0)
#define PTE_PRESENT_ARCH(pte) ((pte)->p != 0)
#define PTE_GET_FRAME_ARCH(pte) ((pte)->pfn << 12)
 
#ifndef __ASM__
 
86,6 → 99,28
#include <arch/mm/frame.h>
#include <arch/types.h>
 
static inline int get_pt_flags(pte_t *pt, index_t i)
{
pte_t *p = &pt[i];
return (
(1 << PAGE_CACHEABLE_SHIFT) |
((!p->p) << PAGE_PRESENT_SHIFT) |
(1 << PAGE_USER_SHIFT) |
(1 << PAGE_READ_SHIFT) |
(1 << PAGE_WRITE_SHIFT) |
(1 << PAGE_EXEC_SHIFT)
);
}
 
static inline void set_pt_flags(pte_t *pt, index_t i, int flags)
{
pte_t *p = &pt[i];
p->p = !(flags & PAGE_NOT_PRESENT);
p->valid = 1;
}
 
extern void page_arch_init(void);
 
#endif /* __ASM__ */
/kernel/trunk/arch/ppc32/include/mm/asid.h
26,13 → 26,19
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#ifndef __ppc32_ASID_H__
#define __ppc32_ASID_H__
/*
* ia32 has no hardware support for address space identifiers.
* This file is provided to do nop-implementation of mm/asid.h
* interface.
*/
 
#ifndef __ia32_ASID_H__
#define __ia32_ASID_H__
 
typedef int asid_t;
 
#define ASID_MAX_ARCH 3
#define ASID_MAX_ARCH 3
 
#define asid_get() (ASID_START+1)
#define asid_get() (ASID_START+1)
 
#endif
/kernel/trunk/arch/ppc32/include/mm/tlb.h
1,5 → 1,5
/*
* Copyright (C) 2005 Jakub Jermar
* Copyright (C) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
29,7 → 29,9
#ifndef __ppc32_TLB_H__
#define __ppc32_TLB_H__
 
#define tlb_arch_init()
#define tlb_print()
#include <arch/exception.h>
#include <typedefs.h>
 
extern void pht_refill(istate_t *istate);
 
#endif