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| author | Galen Sagarin <gps5307@rit.edu> | 2025-04-29 14:18:40 -0400 |
|---|---|---|
| committer | Galen Sagarin <gps5307@rit.edu> | 2025-04-29 14:18:40 -0400 |
| commit | ae2cdd83ba4a0cae161db0b29031d5591005fa34 (patch) | |
| tree | 82fbdfcbb1fe4e3b5e232db195c8c331d69489fd /kernel/memory/virtalloc.h | |
| parent | Started writing fat.c (diff) | |
| parent | fs header changes (diff) | |
| download | comus-ae2cdd83ba4a0cae161db0b29031d5591005fa34.tar.gz comus-ae2cdd83ba4a0cae161db0b29031d5591005fa34.tar.bz2 comus-ae2cdd83ba4a0cae161db0b29031d5591005fa34.zip | |
Merge branch 'main' of https://github.com/kenshineto/kern into fat32
Merging main into here
Diffstat (limited to 'kernel/memory/virtalloc.h')
| -rw-r--r-- | kernel/memory/virtalloc.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/kernel/memory/virtalloc.h b/kernel/memory/virtalloc.h index 7bf8b91..5033242 100644 --- a/kernel/memory/virtalloc.h +++ b/kernel/memory/virtalloc.h @@ -53,6 +53,11 @@ struct virt_ctx { void virtaddr_init(struct virt_ctx *ctx); /** + * Clone the virtual address allocator + */ +int virtaddr_clone(struct virt_ctx *old, struct virt_ctx *new); + +/** * Allocate a virtual address of length x pages * @param pages - x pages * @returns virt addr @@ -60,11 +65,19 @@ void virtaddr_init(struct virt_ctx *ctx); void *virtaddr_alloc(struct virt_ctx *ctx, int pages); /** + * Take (yoink) a predefined virtual address of length x pages + * @param virt - the start of the vitural address to take + * @param pages - x pages + * @returns 0 on success, 1 on err + */ +int virtaddr_take(struct virt_ctx *ctx, const void *virt, int pages); + +/** * Free the virtual address from virtaddr_alloc * @param virtaddr - the addr to free * @returns number of pages used for virtaddr */ -long virtaddr_free(struct virt_ctx *ctx, void *virtaddr); +long virtaddr_free(struct virt_ctx *ctx, const void *virtaddr); /** * Cleans up heap allocations and frees the virtalloc context |