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Working port of Little FS

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This commit is contained in:
Kamil Kowalczyk
2025-08-16 20:35:00 +02:00
parent 2b0566c56f
commit 8da890e388
20 changed files with 332 additions and 19 deletions
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20
kernel/storedev/ramsd.c
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@ -7,13 +7,18 @@
#include "storedev.h"
#include "hal/hal.h"
#include "util/util.h"
#include "kprintf.h"
int32_t ramsd_init(struct StoreDev *sd, void *extra) {
RamSdInitExtra *e = extra;
sd->sd.ramsd.capacity = e->capacity;
sd->sd.ramsd.buffer = dlmalloc(sd->sd.ramsd.capacity);
if (sd->sd.ramsd.buffer == NULL) {
return E_NOMEMORY;
if (e->preallocbuffer != NULL) {
sd->sd.ramsd.buffer = e->preallocbuffer;
} else {
sd->sd.ramsd.buffer = dlmalloc(sd->sd.ramsd.capacity);
if (sd->sd.ramsd.buffer == NULL) {
return E_NOMEMORY;
}
}
return E_OK;
}
@ -36,4 +41,13 @@ int32_t ramsd_cleanup(struct StoreDev *sd) {
spinlock_acquire(&sd->spinlock);
dlfree(sd->sd.ramsd.buffer);
spinlock_release(&sd->spinlock);
return E_OK;
}
size_t ramsd_capacity(struct StoreDev *sd) {
size_t capacity;
spinlock_acquire(&sd->spinlock);
capacity = sd->sd.ramsd.capacity;
spinlock_release(&sd->spinlock);
return capacity;
}