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potentially catch errors of adding addresses in kernel space.

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This commit is contained in:
Jonathan Turner 2023-11-29 09:02:44 -05:00
parent b602894b81
commit 4ca6c64fdc
1 changed files with 5 additions and 1 deletions
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4
Part3/09_memory/kernel/kernel.c
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@ -40,7 +40,11 @@
char *number = input + 4; char *number = input + 4;
kprint(number); kprint(number);
u32 result = digit_conver(number); u32 result = digit_conver(number);
if (result < 10000) {
kprint("That memory address is reserved by the Kernel, addresses must be 10000+");
} else {
umem_head = add_node( umem_head, result, 0x100, true, global_id++); umem_head = add_node( umem_head, result, 0x100, true, global_id++);
}
} else { } else {
umem_head = add_node( umem_head, 0x10000, 0x100, true, global_id++); umem_head = add_node( umem_head, 0x10000, 0x100, true, global_id++);
} }