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kernel/ATA: Stop storing ATA::Drive in a separate shared pointer
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apio 2023-08-07 19:22:57 +02:00
parent bc20e1a31b
commit f45734c61d
Signed by: apio
GPG Key ID: B8A7D06E42258954
2 changed files with 11 additions and 18 deletions
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19
kernel/src/arch/x86_64/disk/ATA.cpp
View File

@ -161,7 +161,7 @@ namespace ATA
{
if (!(read_bm(BusmasterRegister::Status) & BMS_IRQPending)) return;
if (m_current_drive < 2 && m_drives[m_current_drive]) m_drives[m_current_drive]->irq_handler();
if (m_current_drive < 2 && m_drives[m_current_drive].has_value()) m_drives[m_current_drive]->irq_handler();
m_irq_called = true;
@ -307,14 +307,7 @@ namespace ATA
kinfoln("ata: Channel %d has a drive on slot %d!", m_channel_index, drive);
auto rc = adopt_shared_if_nonnull(new (std::nothrow) Drive(this, drive, {}));
if (rc.has_error())
{
kinfoln("ata: Failed to create drive object: %s", rc.error_string());
return false;
}
m_drives[drive] = rc.release_value();
m_drives[drive] = Drive { this, drive, {} };
if (!m_drives[drive]->initialize())
{
@ -327,7 +320,7 @@ namespace ATA
for (u8 drive = 0; drive < 2; drive++)
{
if (m_drives[drive])
if (m_drives[drive].has_value())
{
if (!m_drives[drive]->post_initialize())
{
@ -335,7 +328,7 @@ namespace ATA
return false;
}
auto rc = ATADevice::create(m_drives[drive]);
auto rc = ATADevice::create(m_drives[drive].value_ptr());
if (rc.has_error())
{
@ -723,7 +716,7 @@ namespace ATA
static u32 next_minor = 0;
Result<String> ATA::Drive::create_drive_name(SharedPtr<ATA::Drive> drive)
Result<String> ATA::Drive::create_drive_name(ATA::Drive* drive)
{
static u32 cd_index = 0;
static u32 sd_index = 0;
@ -731,7 +724,7 @@ Result<String> ATA::Drive::create_drive_name(SharedPtr<ATA::Drive> drive)
return String::format("%s%d"_sv, drive->m_is_atapi ? "cd" : "sd", drive->m_is_atapi ? cd_index++ : sd_index++);
}
Result<SharedPtr<Device>> ATADevice::create(SharedPtr<ATA::Drive> drive)
Result<SharedPtr<Device>> ATADevice::create(ATA::Drive* drive)
{
auto device = TRY(adopt_shared_if_nonnull(new (std::nothrow) ATADevice()));
device->m_drive = drive;

10
kernel/src/arch/x86_64/disk/ATA.h
View File

@ -131,7 +131,7 @@ namespace ATA
static constexpr u16 END_OF_PRDT = (1 << 15);
class Drive : public Shareable
class Drive
{
public:
Drive(Channel* channel, u8 drive_index, Badge<Channel>);
@ -164,7 +164,7 @@ namespace ATA
Result<void> read_lba(u64 lba, void* out, usize nblocks);
static Result<String> create_drive_name(SharedPtr<ATA::Drive> drive);
static Result<String> create_drive_name(ATA::Drive* drive);
private:
bool identify_ata();
@ -271,7 +271,7 @@ namespace ATA
u8 m_current_drive = (u8)-1;
SharedPtr<Drive> m_drives[2];
Option<Drive> m_drives[2];
};
class Controller : public Shareable
@ -301,7 +301,7 @@ class ATADevice : public Device
{
public:
// Initializer for DeviceRegistry.
static Result<SharedPtr<Device>> create(SharedPtr<ATA::Drive> drive);
static Result<SharedPtr<Device>> create(ATA::Drive* drive);
Result<usize> read(u8*, usize, usize) const override;
@ -339,6 +339,6 @@ class ATADevice : public Device
private:
ATADevice() = default;
SharedPtr<ATA::Drive> m_drive;
ATA::Drive* m_drive;
String m_device_path;
};