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Kernel: Refactor storage stack with u64 as number of blocks

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Jean-Baptiste Boric 2021-03-16 20:23:16 +01:00 • committed by Andreas Kling
parent aeef14ae28
commit 9a3aa7eb0b
Notes: sideshowbarker 2024-07-18 21:16:07 +09:00
10 changed files with 26 additions and 38 deletions
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9
Kernel/Storage/IDEChannel.cpp
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@ -388,12 +388,15 @@ UNMAP_AFTER_INIT void IDEChannel::detect_disks()
u16 capabilities = wbufbase[ATA_IDENT_CAPABILITIES / sizeof(u16)];
if (cyls == 0 || heads == 0 || spt == 0)
continue;
dbgln("IDEChannel: {} {} device found: Type={}, Name={}, C/H/Spt={}/{}/{}, Capabilities=0x{:04x}", channel_type_string(), channel_string(i), interface_type == PATADiskDevice::InterfaceType::ATA ? "ATA" : "ATAPI", ((char*)bbuf.data() + 54), cyls, heads, spt, capabilities);
u64 max_addressable_block = cyls * heads * spt;
if (capabilities & ATA_CAP_LBA)
max_addressable_block = (wbufbase[(ATA_IDENT_MAX_LBA + 2) / sizeof(u16)] << 16) | wbufbase[ATA_IDENT_MAX_LBA / sizeof(u16)];
dbgln("IDEChannel: {} {} {} device found: Name={}, Capacity={}, C/H/Spt={}/{}/{}, Capabilities=0x{:04x}", channel_type_string(), channel_string(i), interface_type == PATADiskDevice::InterfaceType::ATA ? "ATA" : "ATAPI", ((char*)bbuf.data() + 54), max_addressable_block * 512, cyls, heads, spt, capabilities);
if (i == 0) {
m_master = PATADiskDevice::create(m_parent_controller, *this, PATADiskDevice::DriveType::Master, interface_type, cyls, heads, spt, capabilities);
m_master = PATADiskDevice::create(m_parent_controller, *this, PATADiskDevice::DriveType::Master, interface_type, capabilities, max_addressable_block);
} else {
m_slave = PATADiskDevice::create(m_parent_controller, *this, PATADiskDevice::DriveType::Slave, interface_type, cyls, heads, spt, capabilities);
m_slave = PATADiskDevice::create(m_parent_controller, *this, PATADiskDevice::DriveType::Slave, interface_type, capabilities, max_addressable_block);
}
}
}