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FloppyDiskDevice: Fixed hang on wait_for_irq() (#458)

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It turns out that the `SenseInterrupt` command is actually
very important! The system hangs if it's not there! Whoops...!
This commit is contained in:
Jesse 2019-08-18 00:26:53 +10:00 • committed by Andreas Kling
parent 8a91b90258
commit ad909e7c3f
1 changed files with 1 additions and 2 deletions
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3
Kernel/Devices/FloppyDiskDevice.cpp
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@ -198,7 +198,6 @@ bool FloppyDiskDevice::read_sectors_with_dma(u16 lba, u16 count, u8* outbuf)
static_cast<void>(pcn); static_cast<void>(pcn);
memcpy(outbuf, m_dma_buffer_page->paddr().as_ptr(), 512 * count); memcpy(outbuf, m_dma_buffer_page->paddr().as_ptr(), 512 * count);
//kprintf("fdc: 0x%x\n", *outbuf);
return true; return true;
} }
@ -400,7 +399,7 @@ bool FloppyDiskDevice::recalibrate()
wait_for_irq(); wait_for_irq();
m_interrupted = false; m_interrupted = false;
send_byte(FloppyCommand::Recalibrate); send_byte(FloppyCommand::SenseInterrupt);
u8 st0 = read_byte(); u8 st0 = read_byte();
u8 pcn = read_byte(); u8 pcn = read_byte();
static_cast<void>(st0); static_cast<void>(st0);