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kernel: preallocate tables for high memory

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This commit is contained in:
K. Lange 2018-10-25 20:30:26 +09:00
parent 076d7d59d8
commit 9b912bbfd7
1 changed files with 4 additions and 1 deletions
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5
kernel/mem/mem.c
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@ -79,7 +79,7 @@ kmalloc_real(
return (uintptr_t)address;
}
if (align && (placement_pointer & 0xFFFFF000)) {
if (align && (placement_pointer & 0x00000FFF)) {
placement_pointer &= 0xFFFFF000;
placement_pointer += 0x1000;
}
@ -347,6 +347,9 @@ void paging_finalize(void) {
for (uintptr_t i = tmp_heap_start; i < KERNEL_HEAP_END; i += 0x1000) {
get_page(i, 1, kernel_directory);
}
for (unsigned int i = 0xE000; i <= 0xFFF0; i += 0x40) {
get_page(i << 16UL, 1, kernel_directory);
}
debug_print(NOTICE, "Setting directory.");
current_directory = clone_directory(kernel_directory);