44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
#ifndef __JABYENGINE_AUTO_LBA_HPP__
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#define __JABYENGINE_AUTO_LBA_HPP__
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#include "../Auxiliary/bits.hpp"
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namespace JabyEngine {
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#define __jabyengine_start_lba_request
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#define __jabyengine_request_lba_for(name, file) name
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#define __jabyengine_end_lba_request EndOfRequest
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struct __attribute__((packed)) AutoLBAEntry {
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// This layout should make it a bit easier to read the "BitRange" values
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static constexpr auto SizeInSectors = BitRange::from_to(22, 31);
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static constexpr auto IsLZ4Compressed = Bit(19);
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static constexpr auto LBAValue = BitRange::from_to(0, 18);
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uint32_t value;
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constexpr uint32_t get_lba() const {
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return bit::value::get_normalized(this->value, AutoLBAEntry::LBAValue);
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}
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constexpr uint32_t get_lba() const volatile {
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return const_cast<const AutoLBAEntry*>(this)->get_lba();
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}
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constexpr uint32_t get_size_in_sectors() const {
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return this->value >> SizeInSectors.pos;
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}
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constexpr uint32_t get_size_in_sectors() const volatile {
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return const_cast<const AutoLBAEntry*>(this)->get_size_in_sectors();
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}
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constexpr bool is_lz4() const {
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return bit::is_set(this->value, AutoLBAEntry::IsLZ4Compressed);
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}
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constexpr bool is_lz4() const volatile {
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return const_cast<const AutoLBAEntry*>(this)->is_lz4();
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}
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};
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}
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#endif //!__JABYENGINE_AUTO_LBA_HPP__
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