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| author | Freya Murphy <freya@freyacat.org> | 2025-04-18 21:18:59 -0400 |
|---|---|---|
| committer | Freya Murphy <freya@freyacat.org> | 2025-04-18 21:20:49 -0400 |
| commit | 3516b8a69087c31d45d06329ab79e9017301f6b8 (patch) | |
| tree | f03aedcf40daf9c72a31e8d8b8c22e37aa6dee4a /kernel/mboot/mmap.c | |
| parent | more pci devices (diff) | |
| download | comus-3516b8a69087c31d45d06329ab79e9017301f6b8.tar.gz comus-3516b8a69087c31d45d06329ab79e9017301f6b8.tar.bz2 comus-3516b8a69087c31d45d06329ab79e9017301f6b8.zip | |
set mmap limit
Diffstat (limited to 'kernel/mboot/mmap.c')
| -rw-r--r-- | kernel/mboot/mmap.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/mboot/mmap.c b/kernel/mboot/mmap.c index e0963ca..d1d3d9a 100644 --- a/kernel/mboot/mmap.c +++ b/kernel/mboot/mmap.c @@ -1,3 +1,5 @@ +#include "comus/memory.h" +#include "lib/klib.h" #include <lib.h> #include <comus/mboot.h> @@ -32,6 +34,8 @@ int mboot_get_mmap(struct memory_map *res) uintptr_t i = (uintptr_t)mmap->entries; for (; i < (uintptr_t)mmap->entries + mmap->size; i += mmap->entry_size, idx++) { + if (idx >= N_MMAP_ENTRY) + panic("Too many mmap entries: limit is %d", N_MMAP_ENTRY); struct multiboot_mmap_entry *seg = (struct multiboot_mmap_entry *)i; res->entries[idx].addr = seg->addr; res->entries[idx].len = seg->len; |