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Disk: Implement NeoMemoryDiskReadDriver

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This commit is contained in:
Paul Hollinsky
2022-02-25 01:14:57 -05:00
parent fe4d5e0c15
commit f8bfb243fa
10 changed files with 127 additions and 10 deletions
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include/icsneo/disk/neomemorydiskreaddriver.h
+35
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@@ -0,0 +1,35 @@
#ifndef __NEOMEMORYDISKREADDRIVER_H__
#define __NEOMEMORYDISKREADDRIVER_H__
#ifdef __cplusplus
#include "icsneo/disk/diskreaddriver.h"
#include <limits>
namespace icsneo {
/**
* A disk read driver which uses the neoMemory command to read from the disk
*
* This can only request reads by sector, so it will be very slow, but is likely supported by any device with a disk
*/
class NeoMemoryDiskReadDriver : public DiskReadDriver {
public:
Access getAccess() const override { return Access::VSA; }
std::pair<uint32_t, uint32_t> getBlockSizeBounds() const override {
static_assert(SectorSize <= std::numeric_limits<uint32_t>::max(), "Incorrect sector size");
static_assert(SectorSize >= std::numeric_limits<uint32_t>::min(), "Incorrect sector size");
return { static_cast<uint32_t>(SectorSize), static_cast<uint32_t>(SectorSize) };
}
private:
static constexpr const uint8_t MemoryTypeSD = 0x01; // Logical Disk
optional<uint64_t> readLogicalDiskAligned(Communication& com, device_eventhandler_t report,
uint64_t pos, uint8_t* into, uint64_t amount, std::chrono::milliseconds timeout) override;
};
}
#endif // __cplusplus
#endif // __NEOMEMORYDISKREADDRIVER_H__
include/icsneo/disk/nulldiskreaddriver.h
+6 -1
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@@ -4,6 +4,7 @@
#ifdef __cplusplus
#include "icsneo/disk/diskreaddriver.h"
#include <limits>
namespace icsneo {
@@ -17,7 +18,11 @@ public:
optional<uint64_t> readLogicalDisk(Communication& com, device_eventhandler_t report,
uint64_t pos, uint8_t* into, uint64_t amount, std::chrono::milliseconds timeout = DefaultTimeout) override;
Access getAccess() const override { return Access::None; }
std::pair<uint32_t, uint32_t> getBlockSizeBounds() const override { return {SectorSize, SectorSize}; }
std::pair<uint32_t, uint32_t> getBlockSizeBounds() const override {
static_assert(SectorSize <= std::numeric_limits<uint32_t>::max(), "Incorrect sector size");
static_assert(SectorSize >= std::numeric_limits<uint32_t>::min(), "Incorrect sector size");
return { static_cast<uint32_t>(SectorSize), static_cast<uint32_t>(SectorSize) };
}
private:
optional<uint64_t> readLogicalDiskAligned(Communication& com, device_eventhandler_t report,