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kernel: usercopy functions

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Matheus
2024-06-09 19:31:26 -03:00
parent 429f56aced
commit 50b4b45d00
53 changed files with 712 additions and 260 deletions
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kernel-src/include/x86-64/arch/mmu.h
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@@ -10,6 +10,8 @@
#define USERSPACE_START (void *)0x0000000000001000
#define USERSPACE_END (void *)0x0000800000000000
#define IS_USER_ADDRESS(a) ((void *)a < USERSPACE_END)
#define PAGE_SIZE 4096
#define ARCH_MMU_FLAGS_READ (uint64_t)1
#define ARCH_MMU_FLAGS_WRITE (uint64_t)2