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[Denali] Record SATA device sector size and count.

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This commit is contained in:
Drew Galbraith 2023-12-08 15:25:44 -08:00
parent e308d8e120
commit 0375306f5e
2 changed files with 19 additions and 5 deletions
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18
sys/denali/ahci/ahci_port.cpp
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@ -55,10 +55,20 @@ glcr::ErrorCode AhciPort::Identify() {
ASSIGN_OR_RETURN(auto* sem, IssueCommand(identify));
sem->Wait();
uint16_t* ident = reinterpret_cast<uint16_t*>(region.vaddr());
uint32_t* sector_size = reinterpret_cast<uint32_t*>(ident + 117);
dbgln("Sector size: {}", *sector_size);
uint64_t* lbas = reinterpret_cast<uint64_t*>(ident + 100);
dbgln("LBA Count: {}", *lbas);
if (ident[106] & (1 << 12)) {
sector_size_ = *reinterpret_cast<uint32_t*>(ident + 117);
} else {
sector_size_ = 512;
}
if (ident[83] & (1 << 10)) {
lba_count_ = *reinterpret_cast<uint64_t*>(ident + 100);
} else {
lba_count_ = *reinterpret_cast<uint32_t*>(ident + 60);
}
dbgln("Sector size: {x}", sector_size_);
dbgln("LBA Count: {x}", lba_count_);
is_init_ = true;
}
return glcr::OK;
}