36,10 → 36,7 |
#define KERN_arm32_PAGE_H_ |
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#include <arch/mm/frame.h> |
#include <mm/mm.h> |
#include <arch/exception.h> |
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#define PAGE_WIDTH FRAME_WIDTH |
#define PAGE_SIZE FRAME_SIZE |
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71,7 → 68,7 |
#define GET_PTL3_ADDRESS_ARCH(ptl2, i) (ptl2) |
#define GET_FRAME_ADDRESS_ARCH(ptl3, i) ( (uintptr_t)(((pte_level1_t*)(ptl3))[(i)]).frame_base_addr << 12 )) |
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#define SET_PTL0_ADDRESS_ARCH(ptl0) ( set_ptl0_addr((pte_level0_t *)(ptl0)) ) |
#define SET_PTL0_ADDRESS_ARCH(ptl0) // TODO |
#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) (((pte_level0_t *)(ptl0))[(i)].coarse_table_addr = (a)>>10) |
#define SET_PTL2_ADDRESS_ARCH(ptl1, i, a) |
#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a) |
95,17 → 92,9 |
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#ifndef __ASM__ |
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/** Set adress of paging level 0 table |
* \param pt pointer to page table to set |
*/ |
static inline void set_ptl0_addr( pte_level0_t* pt){ |
asm volatile ( "mrc p15, 0, %0, c2, c0, 0 \n" |
: |
: "r"(pt) |
); |
#include <mm/mm.h> |
#include <arch/exception.h> |
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} |
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//TODO Comment: Page table structure as in other architectures |
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static inline int get_pt_level0_flags(pte_level0_t *pt, index_t i) |
117,6 → 106,8 |
( 1 << PAGE_READ_SHIFT ) | |
( 1 << PAGE_EXEC_SHIFT ) | |
( 1 << PAGE_CACHEABLE ) |
// Alf Note: MayBe return WriteAble because level0 should use only kernel which can write |
// Alf Note: MayBe return global flag if index i > 2048 (horni 2GB because kernel is mapped globaly) |
); |
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} |
132,6 → 123,7 |
( (p->access_permission_0 != pte_ap_user_no_kernel_rw) << PAGE_USER_SHIFT ) | |
( 1 << PAGE_EXEC_SHIFT ) | |
( p->bufferable << PAGE_CACHEABLE ) |
// Alf Note: MayBe return global flag if index i > 2048 (horni 2GB because kernel is mapped globaly) |
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); |
163,7 → 155,7 |
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if ( flags & PAGE_NOT_PRESENT ) { |
p->descriptor_type = pte_descriptor_not_preset; |
p->access_permission_3 = 1; |
p->access_permission_3 = 1; // Ensure not all bits set to zero ... correct acess rights are stored in other 0-2 access permission entries |
} else |
{ |
p->descriptor_type = pte_descriptor_coarse_table; |