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fix/kernel: Fixed new VMM API

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This commit is contained in:
Kevin Alavik 2025-05-15 17:08:47 +02:00
parent 3aa5a1bb86
commit 6b811ad804
Signed by: cmpsb
GPG key ID: 10D1CC0526FDC6D7
4 changed files with 151 additions and 74 deletions
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32
kernel/src/mm/vmm.h
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@ -9,21 +9,35 @@
#define VPM_MIN_ADDR 0x1000
#endif // VPM_MIN_ADDR
typedef struct vm_region
#define VALLOC_NONE 0x0
#define VALLOC_READ (1 << 0)
#define VALLOC_WRITE (1 << 1)
#define VALLOC_EXEC (1 << 2)
#define VALLOC_USER (1 << 3)
#define VALLOC_RW (VALLOC_READ | VALLOC_WRITE)
#define VALLOC_RX (VALLOC_READ | VALLOC_EXEC)
#define VALLOC_RWX (VALLOC_READ | VALLOC_WRITE | VALLOC_EXEC)
typedef struct vregion
{
uint64_t start;
uint64_t pages;
struct vm_region *next;
/* TOOD: Maybe store flags */
} vm_region_t;
uint64_t flags;
struct vregion *next;
struct vregion *prev;
} vregion_t;
typedef struct vpm_ctx
typedef struct vctx
{
vm_region_t *root;
vregion_t *root;
uint64_t *pagemap;
} vpm_ctx_t;
uint64_t start;
} vctx_t;
vpm_ctx_t *vmm_init(uint64_t *pm);
void *valloc(vpm_ctx_t *ctx, size_t pages, uint64_t flags);
vctx_t *vinit(uint64_t *pm, uint64_t start);
void vdestroy(vctx_t *ctx);
void *valloc(vctx_t *ctx, size_t pages, uint64_t flags);
void vfree(vctx_t *ctx, void *ptr);
#endif // VMM_H