e5da93757a
We have a weird bug in context switching where a process's rsp0 ends up pointing at the wrong value sometimes which crashes the OS.
36 lines
790 B
C++
36 lines
790 B
C++
#pragma once
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#include <mammoth/memory_region.h>
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#include <zerrors.h>
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#include "ahci/ahci.h"
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#include "ahci/command.h"
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class AhciDevice {
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public:
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AhciDevice() {}
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// Caller retains ownership of the pointer.
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AhciDevice(AhciPort* port_struct);
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void DumpInfo();
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bool IsInit() { return port_struct_ != nullptr && command_structures_; }
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z_err_t IssueCommand(Command* command);
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void HandleIrq();
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AhciDevice(const AhciDevice&) = delete;
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AhciDevice& operator=(const AhciDevice&) = delete;
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private:
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AhciPort* port_struct_ = nullptr;
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MappedMemoryRegion command_structures_;
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CommandList* command_list_ = nullptr;
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ReceivedFis* received_fis_ = nullptr;
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CommandTable* command_table_ = nullptr;
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Command* commands_[32];
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volatile uint32_t commands_issued_ = 0;
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};
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