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Implement an ATA driver, Add vfsmount/vfsunmount syscalls

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This commit is contained in:
Kamil Kowalczyk
2025-10-14 00:39:59 +02:00
parent cb9e15330e
commit 25cb309105
19 changed files with 455 additions and 58 deletions
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10
kernel/storedev/ramsd.c
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@ -23,16 +23,18 @@ int32_t ramsd_init(struct StoreDev *sd, void *extra) {
return E_OK;
}
int32_t ramsd_read(struct StoreDev *sd, uint8_t *const buffer, size_t n, size_t off) {
int32_t ramsd_read(struct StoreDev *sd, uint8_t *const buffer, ptrdiff_t sector, ptrdiff_t off, size_t size) {
RamSd *ramsd = &sd->sd.ramsd;
spinlock_acquire(&sd->spinlock);
hal_memcpy(buffer, sd->sd.ramsd.buffer + off, MIN(n, sd->sd.ramsd.capacity - off));
hal_memcpy(buffer, ramsd->buffer + (sector * sd->sectorsize + off), size);
spinlock_release(&sd->spinlock);
return E_OK;
}
int32_t ramsd_write(struct StoreDev *sd, const uint8_t *const buffer, size_t n, size_t off) {
int32_t ramsd_write(struct StoreDev *sd, const uint8_t *const buffer, ptrdiff_t sector, ptrdiff_t off, size_t size) {
RamSd *ramsd = &sd->sd.ramsd;
spinlock_acquire(&sd->spinlock);
hal_memcpy(sd->sd.ramsd.buffer + off, buffer, MIN(n, sd->sd.ramsd.capacity - off));
hal_memcpy(ramsd->buffer + (sector * sd->sectorsize + off), buffer, size);
spinlock_release(&sd->spinlock);
return E_OK;
}