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hdd: mimic bfs filesystem
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DH 2024-11-22 18:12:40 +03:00
parent d25b995976
commit 84026f1333
1 changed files with 60 additions and 0 deletions
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60
rpcsx/iodev/hdd.cpp
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@ -35,6 +35,66 @@ static orbis::ErrorCode hdd_ioctl(orbis::File *fs, std::uint64_t request,
return orbis::uwrite(orbis::ptr<orbis::ulong>(argp), device->size);
}
if (request == 0xc03861a1) {
struct Args {
orbis::uint64_t unk0; // op id?
orbis::uint64_t unk1;
orbis::uint64_t lbn;
orbis::ptr<orbis::uint64_t> result;
orbis::uint64_t unk4;
orbis::uint64_t unk5;
orbis::uint64_t unk6;
};
static_assert(sizeof(Args) == 56);
auto args = reinterpret_cast<Args *>(argp);
ORBIS_LOG_WARNING("hdd: a53io: read bfs block", request, args->unk0,
args->unk1, args->lbn, args->result, args->unk4,
args->unk5, args->unk6);
if (args->unk1 == 0x700000000) {
ORBIS_RET_ON_ERROR(
orbis::uwrite<std::uint64_t>(args->result, 0x10f50bf520180705));
auto superblock = (orbis::uint16_t *)(args->result + 8);
superblock[0] = 1; // block exists
superblock[1] = 4; // block size
} else {
// ORBIS_RET_ON_ERROR(
// orbis::uwrite<std::uint64_t>(args->result, 0x20f50bf520180713));
ORBIS_RET_ON_ERROR(
orbis::uwrite<std::uint64_t>(args->result, 0x20f50bf520190705));
auto flags = (orbis::uint8_t *)(args->result + 2);
*flags = 0x40; // block is clean
// FIXME: it should be configurable
std::strcpy((char *)(args->result + 4), "ssd0.user");
}
return {};
}
if (request == 0x4100bf0a) {
ORBIS_LOG_WARNING("hdd: bfs scfstat");
struct Args {
std::uint64_t data[32];
};
static_assert(sizeof(Args) == 256);
auto args = reinterpret_cast<Args *>(argp);
std::memset(args, 0, sizeof(Args));
// 0xe
args->data[0] = 1ull << 32;
args->data[1] = 1ull << 32;
args->data[16] = 1ull << 15;
*(orbis::uint16_t *)((char *)args->data + 200) = 1;
// block is clean
return {};
}
ORBIS_LOG_FATAL("Unhandled hdd ioctl", request);
thread->where();
return {};