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packed

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This commit is contained in:
Eggert Jung
2026-01-19 19:38:45 +01:00
parent f70f29cea3
commit 609a8e80ef
1 changed files with 4 additions and 4 deletions
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8
kernel/memory/pagetable.h
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@@ -16,7 +16,7 @@ typedef struct {
uint64_t address:39 = 0; uint64_t address:39 = 0;
uint16_t rsvd_1:10 = 0; uint16_t rsvd_1:10 = 0;
uint8_t execute_disable:1 = 0; uint8_t execute_disable:1 = 0;
} pagetable_entry_t; } __attribute__((__packed__)) pagetable_entry_t;
typedef struct { typedef struct {
pagetable_entry_t entries[512]; pagetable_entry_t entries[512];
@@ -33,13 +33,13 @@ typedef struct {
uint64_t address:39 = 0; uint64_t address:39 = 0;
uint16_t rsvd_1:10 = 0; uint16_t rsvd_1:10 = 0;
uint8_t execute_disable:1 = 0; uint8_t execute_disable:1 = 0;
} pagedirectory_entry_t; } __attribute__((__packed__)) pagedirectory_entry_t;
typedef struct { typedef struct {
alignas(4096) pagedirectory_entry_t l4; alignas(4096) pagedirectory_entry_t l4;
alignas(4096) pagedirectory_entry_t l3; alignas(4096) pagedirectory_entry_t l3;
alignas(4096) pagedirectory_entry_t l2[1]; alignas(4096) pagedirectory_entry_t l2[32];
alignas(4096) pagetable_t l1[1]; alignas(4096) pagetable_t l1[32];
} four_lvl_paging_t; } four_lvl_paging_t;
void create_basic_page_table(uintptr_t base); void create_basic_page_table(uintptr_t base);