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vmm: map null hhdm page

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Matheus
2023-05-15 22:42:18 -03:00
parent 8e59a38e4c
commit 69b1ff7a70
1 changed files with 3 additions and 0 deletions
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kernel-src/mm/vmm.c
+3
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@@ -515,5 +515,8 @@ void vmm_init() {
__assert(vmm_map(&_rodata_start, (uintptr_t)&_rodata_end - (uintptr_t)&_rodata_start, 0, ARCH_MMU_FLAGS_READ | ARCH_MMU_FLAGS_NOEXEC, NULL));
__assert(vmm_map(&_data_start, (uintptr_t)&_data_end - (uintptr_t)&_data_start, 0, ARCH_MMU_FLAGS_READ | ARCH_MMU_FLAGS_WRITE | ARCH_MMU_FLAGS_NOEXEC, NULL));
// null page
vmm_map(MAKE_HHDM(NULL), PAGE_SIZE, VMM_FLAGS_EXACT, ARCH_MMU_FLAGS_NOEXEC, NULL);
printspace(&kernelspace);
}