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pfsfreeblocks OK (#423) 

* pfsfreeblocks OK

* Update src/libultra/io/pfsfreeblocks.c

Co-authored-by: Tharo <17233964+Thar0@users.noreply.github.com>

Co-authored-by: Tharo <17233964+Thar0@users.noreply.github.com>
This commit is contained in:
EllipticEllipsis 2021-12-27 03:36:06 +00:00 committed by GitHub
parent 2664f75ac2
commit 8ebdb50470
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1 changed files with 35 additions and 1 deletions
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36
src/libultra/io/pfsfreeblocks.c
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@ -1,3 +1,37 @@
#include "global.h"
#include "PR/pfs.h"
#pragma GLOBAL_ASM("asm/non_matchings/boot/pfsfreeblocks/osPfsFreeBlocks.s")
s32 osPfsFreeBlocks(OSPfs* pfs, s32* leftoverBytes) {
s32 j;
s32 pages = 0;
__OSInode inode;
s32 ret = 0;
u8 bank;
s32 offset;
if (!(pfs->status & PFS_INITIALIZED)) {
return PFS_ERR_INVALID;
}
ret = __osCheckId(pfs);
if (ret != 0) {
return ret;
}
for (bank = PFS_ID_BANK_256K; bank < pfs->banks; bank++) {
ret = __osPfsRWInode(pfs, &inode, PFS_READ, bank);
if (ret != 0) {
return ret;
}
offset = ((bank > PFS_ID_BANK_256K) ? 1 : pfs->inodeStartPage);
for (j = offset; j < PFS_INODE_SIZE_PER_PAGE; j++) {
if (inode.inodePage[j].ipage == PFS_PAGE_NOT_USED) {
pages++;
}
}
}
*leftoverBytes = pages * PFS_ONE_PAGE * BLOCKSIZE;
return 0;
}