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| author | Raghuram Subramani <raghus2247@gmail.com> | 2025-01-18 16:03:39 +0530 |
|---|---|---|
| committer | Raghuram Subramani <raghus2247@gmail.com> | 2025-01-18 16:06:28 +0530 |
| commit | b4b9dd7aff72066a562c1d9306f8781eaaf6e3d4 (patch) | |
| tree | 04d6cb1fa1b2cf668d7b605be5f69a15f1a71e78 /kernel/mm/virtual_mm/virtual_mm.c | |
| parent | dfb39edf758ba76fda791f3a24ca1b735f42e9b3 (diff) | |
kernel: Implement a basic spinlock
Diffstat (limited to 'kernel/mm/virtual_mm/virtual_mm.c')
| -rw-r--r-- | kernel/mm/virtual_mm/virtual_mm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/mm/virtual_mm/virtual_mm.c b/kernel/mm/virtual_mm/virtual_mm.c index ba2f472..9c8292e 100644 --- a/kernel/mm/virtual_mm/virtual_mm.c +++ b/kernel/mm/virtual_mm/virtual_mm.c @@ -67,7 +67,8 @@ virtual_mm_initialize(void) for (uint32_t i = 0; i < 1024; i++) table[i] = 0x2; - /* Identity map the first 4MiB (maps 4KiB 1024 times) */ + /* Identity map the first 4MiB, excluding the 4th MiB + * (maps 4KiB 1024 times) */ for (uint32_t i = 0; i < 1024; i++) table[i] = PTE_FRAME(i) | PTE_PRESENT(1) | PTE_WRITABLE(1); |