64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include "hal/hal.h"
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#include "syscall.h"
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#include "vfs.h"
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#include "errors.h"
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#include "sysdefs/dev.h"
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#include "vfs/vfs.h"
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#include "spinlock/spinlock.h"
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#include "dev/dev.h"
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#include "proc/proc.h"
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#include "storedev/storedev.h"
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int32_t SYSCALL4(sys_vfsmount, mountpoint1, fstypestr1, devid1, format1) {
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int32_t ret = E_OK;
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char *mountpoint = (char *)mountpoint1;
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char *fstypestr = (char *)fstypestr1;
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Dev_t *dev = (Dev_t *)devid1;
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bool format = (bool)format1;
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if (mountpoint == NULL) { ret = E_INVALIDARGUMENT; goto done; }
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if (fstypestr == NULL) { ret = E_INVALIDARGUMENT; goto done; }
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if (dev == NULL) { ret = E_INVALIDARGUMENT; goto done; }
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if (*dev >= PROC_DEVHANDLES_MAX) { ret = E_INVALIDARGUMENT; goto done; }
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int32_t fstype;
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if (hal_strcmp(fstypestr, "LittleFS") == 0) {
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fstype = VFS_LITTLEFS;
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} else {
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ret = E_INVALIDARGUMENT;
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goto done;
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}
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spinlock_acquire(&PROCS.spinlock);
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Proc *proc = PROCS.current;
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spinlock_release(&PROCS.spinlock);
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Dev *dp = proc->devs[*dev];
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if (dp == NULL) { ret = E_NOENTRY; goto done; }
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StoreDev *sd = (StoreDev *)dp->extra;
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if (sd != NULL && sd->_magic != STOREDEV_MAGIC) { ret = E_NOENTRY; goto done; }
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ret = vfs_mount(mountpoint, fstype, sd, format);
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done:
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return ret;
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}
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int32_t SYSCALL1(sys_vfsunmount, mountpoint1) {
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int32_t ret = E_OK;
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char *mountpoint = (char *)mountpoint1;
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if (mountpoint == NULL) { ret = E_INVALIDARGUMENT; goto done; }
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ret = vfs_unmount(mountpoint);
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done:
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return ret;
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}
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