Method WriteDiskBlock

Kernel/src/storage/ahciport.cpp:262–292

    }

    int Port::WriteDiskBlock(uint64_t lba, uint32_t count, void* _buffer){
        uint64_t blockCount = ((count + (blocksize - 1)) / blocksize);
        uint8_t* buffer = reinterpret_cast<uint8_t*>(_buffer);

        unsigned buf = AcquireBuffer();
        if(buf >= 8){
            return 4; // Should not happen
        }

        while(blockCount-- && count){
            uint64_t size;
            if(count < 512) size = count;
            else size = 512;

            if(!size) break;

            memcpy(buffers[buf], buffer, size);

            if(Access(lba, 1, physBuffers[buf], 1)){ // LBA, 1 block, write
                ReleaseBuffer(buf);
                return 1; // Error Reading Sectors
            }
            

            buffer += size;
            lba++;
        }
        ReleaseBuffer(buf);

        return 0;
    }

    int Port::Access(uint64_t lba, uint32_t count, uintptr_t physBuffer, int write){
        //portLock.Wait();