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| author | Freya Murphy <freya@freyacat.org> | 2025-04-28 21:55:40 -0400 |
|---|---|---|
| committer | Freya Murphy <freya@freyacat.org> | 2025-04-28 21:55:40 -0400 |
| commit | c0a391cb11fe1b14f6622bad5697a72de1781eb2 (patch) | |
| tree | 9131f2275cfe407381bf9c12f0bcfac3faec1919 /kernel/memory | |
| parent | change struct gpu to gpu_dev (diff) | |
| download | comus-c0a391cb11fe1b14f6622bad5697a72de1781eb2.tar.gz comus-c0a391cb11fe1b14f6622bad5697a72de1781eb2.tar.bz2 comus-c0a391cb11fe1b14f6622bad5697a72de1781eb2.zip | |
fmt
Diffstat (limited to 'kernel/memory')
| -rw-r--r-- | kernel/memory/paging.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/kernel/memory/paging.c b/kernel/memory/paging.c index b089895..763bdce 100644 --- a/kernel/memory/paging.c +++ b/kernel/memory/paging.c @@ -508,10 +508,10 @@ volatile void *page_clone(volatile void *old_pADDR, bool cow) volatile void *new_pADDR, *new_vADDR; // TODO: cow - (void) cow; + (void)cow; // dont reallocate kernel memeory!! - if ((volatile char *) old_pADDR <= kernel_end) + if ((volatile char *)old_pADDR <= kernel_end) return old_pADDR; new_pADDR = alloc_phys_page(); @@ -524,8 +524,7 @@ volatile void *page_clone(volatile void *old_pADDR, bool cow) return new_pADDR; } -volatile struct pt *pt_clone(volatile const struct pt *old_pPT, - bool cow) +volatile struct pt *pt_clone(volatile const struct pt *old_pPT, bool cow) { volatile const struct pt *old_vPT; volatile struct pt *new_pPT, *new_vPT; @@ -557,9 +556,7 @@ volatile struct pt *pt_clone(volatile const struct pt *old_pPT, new_vPTE->execute_disable = old_vPTE->execute_disable; new_vPTE->flags = old_vPTE->flags; - old_pADDR = - (volatile void *)((uintptr_t)old_vPTE->address - << 12); + old_pADDR = (volatile void *)((uintptr_t)old_vPTE->address << 12); new_pADDR = page_clone(old_pADDR, cow); if (new_pADDR == NULL) goto fail; @@ -574,8 +571,7 @@ fail: return NULL; } -volatile struct pd *pd_clone(volatile const struct pd *old_pPD, - bool cow) +volatile struct pd *pd_clone(volatile const struct pd *old_pPD, bool cow) { volatile const struct pd *old_vPD; volatile struct pd *new_pPD, *new_vPD; @@ -605,8 +601,7 @@ volatile struct pd *pd_clone(volatile const struct pd *old_pPD, continue; old_pPT = - (volatile const struct pt *)((uintptr_t)old_vPDE->address - << 12); + (volatile const struct pt *)((uintptr_t)old_vPDE->address << 12); new_pPT = pt_clone(old_pPT, cow); if (new_pPT == NULL) goto fail; @@ -652,8 +647,7 @@ volatile struct pdpt *pdpt_clone(volatile const struct pdpt *old_pPDPT, continue; old_pPD = - (volatile const struct pd *)((uintptr_t)old_vPDPTE->address - << 12); + (volatile const struct pd *)((uintptr_t)old_vPDPTE->address << 12); new_pPD = pd_clone(old_pPD, cow); if (new_pPD == NULL) goto fail; |