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Refactor stack expansion and stack fork implementation

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This commit is contained in:
EnderIce2
2024-03-21 02:09:48 +02:00
parent 70cbbea3c0
commit 49ef1dc454
2 changed files with 93 additions and 105 deletions
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21
include/memory/macro.hpp
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@ -33,28 +33,31 @@
// exobyte
#define TO_EiB(d) ((d) / 1024 / 1024 / 1024 / 1024 / 1024 / 1024)
#define PAGE_SIZE 0x1000 // 4KB
#define PAGE_SIZE_4K PAGE_SIZE // 4KB
#define PAGE_SIZE_2M 0x200000 // 2MB
#define PAGE_SIZE_4M 0x400000 // 4MB
#define PAGE_SIZE_1G 0x40000000 // 1GB
#define PAGE_SIZE 0x1000 /* 4 KiB */
#define PAGE_SIZE_4K PAGE_SIZE /* 4 KiB */
#define PAGE_SIZE_2M 0x200000 /* 2 MiB */
#define PAGE_SIZE_4M 0x400000 /* 4 MiB */
#define PAGE_SIZE_1G 0x40000000 /* 1 GiB */
#define STACK_SIZE 0x4000 // 16kb
#define USER_STACK_SIZE 0x2000 // 8kb
#define STACK_SIZE 0x4000 /* 16 KiB */
#define USER_STACK_SIZE 0x2000 /* 8 KiB */
// To pages
/* To pages */
#define TO_PAGES(d) (((d) + PAGE_SIZE - 1) / PAGE_SIZE)
// From pages
/* From pages */
#define FROM_PAGES(d) ((d) * PAGE_SIZE)
#if defined(a64) || defined(aa64)
#define KERNEL_VMA_OFFSET 0xFFFFFFFF80000000
#define KERNEL_HEAP_BASE 0xFFFFFF0000000000
#define USER_STACK_BASE 0xFFFFEFFFFFFF0000
#define USER_STACK_END 0xFFFFEFFF00000000 /* 256 MiB */
#elif defined(a32)
#define KERNEL_VMA_OFFSET 0xC0000000
#define KERNEL_HEAP_BASE 0xA0000000
#define USER_STACK_BASE 0xEFFFFFFF
#define USER_STACK_END 0xE0000000
#endif
#endif // !__FENNIX_KERNEL_MEMORY_MACROS_H__