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Kernel: Tidy up IDEDiskDevice a bit.

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The main cleanup here is putting the I/O address base in a member variable.
This commit is contained in:
Andreas Kling
2019-05-24 04:17:15 +02:00
parent 36d8b9e89b
commit ebf645d72a
4 changed files with 80 additions and 103 deletions
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12
Kernel/Devices/DiskDevice.cpp
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@@ -14,9 +14,7 @@ bool DiskDevice::read(DiskOffset offset, unsigned length, byte* out) const
ASSERT((length % block_size()) == 0);
dword first_block = offset / block_size();
dword end_block = (offset + length) / block_size();
byte* outptr = out;
return const_cast<DiskDevice*>(this)->read_blocks(first_block, end_block - first_block, outptr);
return const_cast<DiskDevice*>(this)->read_blocks(first_block, end_block - first_block, out);
}
bool DiskDevice::write(DiskOffset offset, unsigned length, const byte* in)
@@ -27,12 +25,6 @@ bool DiskDevice::write(DiskOffset offset, unsigned length, const byte* in)
dword end_block = (offset + length) / block_size();
ASSERT(first_block <= 0xffffffff);
ASSERT(end_block <= 0xffffffff);
const byte* inptr = in;
for (unsigned bi = first_block; bi < end_block; ++bi) {
if (!write_block(bi, inptr))
return false;
inptr += block_size();
}
return true;
return write_blocks(first_block, end_block - first_block, in);
}