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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /trunk/kernel/arch/ppc32/include/ @ 3829

  → /trunk/kernel/arch/ppc32/include/ @ 3830

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 3829 → Rev 3830

/trunk/kernel/arch/ppc32/include/types.h
84,11 → 84,13
/** Page Table Entry. */
typedef struct {
unsigned p : 1; /**< Present bit. */
unsigned a : 1; /**< Accessed bit. */
unsigned g : 1; /**< Global bit. */
unsigned valid : 1; /**< Valid content even if not present. */
unsigned pfn : 20; /**< Physical frame number. */
unsigned present : 1; /**< Present bit. */
unsigned page_write_through : 1; /**< Write thought caching. */
unsigned page_cache_disable : 1; /**< No caching. */
unsigned accessed : 1; /**< Accessed bit. */
unsigned global : 1; /**< Global bit. */
unsigned valid : 1; /**< Valid content even if not present. */
unsigned pfn : 20; /**< Physical frame number. */
} pte_t;
#endif

/trunk/kernel/arch/ppc32/include/mm/page.h
120,7 → 120,7
/* Macros for querying the last-level PTEs. */
#define PTE_VALID_ARCH(pte) (*((uint32_t *) (pte)) != 0)
#define PTE_PRESENT_ARCH(pte) ((pte)->p != 0)
#define PTE_PRESENT_ARCH(pte) ((pte)->present != 0)
#define PTE_GET_FRAME_ARCH(pte) ((pte)->pfn << 12)
#define PTE_WRITABLE_ARCH(pte) 1
#define PTE_EXECUTABLE_ARCH(pte) 1
134,13 → 134,13
{
pte_t *p = &pt[i];
return ((1 << PAGE_CACHEABLE_SHIFT) |
((!p->p) << PAGE_PRESENT_SHIFT) |
return (((!p->page_cache_disable) << PAGE_CACHEABLE_SHIFT) |
((!p->present) << PAGE_PRESENT_SHIFT) |
(1 << PAGE_USER_SHIFT) |
(1 << PAGE_READ_SHIFT) |
(1 << PAGE_WRITE_SHIFT) |
(1 << PAGE_EXEC_SHIFT) |
(p->g << PAGE_GLOBAL_SHIFT));
(p->global << PAGE_GLOBAL_SHIFT));
}
static inline void set_pt_flags(pte_t *pt, index_t i, int flags)
147,8 → 147,9
{
pte_t *p = &pt[i];
p->p = !(flags & PAGE_NOT_PRESENT);
p->g = (flags & PAGE_GLOBAL) != 0;
p->page_cache_disable = !(flags & PAGE_CACHEABLE);
p->present = !(flags & PAGE_NOT_PRESENT);
p->global = (flags & PAGE_GLOBAL) != 0;
p->valid = 1;
}

/trunk/kernel/arch/ppc32/include/mm/tlb.h
39,6 → 39,11
#include <arch/types.h>
#include <typedefs.h>
#define WIMG_GUARDED 0x01
#define WIMG_COHERENT 0x02
#define WIMG_NO_CACHE 0x04
#define WIMG_WRITETHRU 0x08
typedef struct {
unsigned v : 1; /**< Valid */
unsigned vsid : 24; /**< Virtual Segment ID */