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Kernel: Merge unnecessary DiskDevice class into BlockDevice

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This commit is contained in:
Andreas Kling 2020-02-08 02:17:26 +01:00
parent 6be880bd10
commit 88ea152b24
27 changed files with 98 additions and 212 deletions
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30
Kernel/Devices/BlockDevice.cpp
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@ -29,3 +29,33 @@
BlockDevice::~BlockDevice()
{
}
bool BlockDevice::read_block(unsigned index, u8* buffer) const
{
return const_cast<BlockDevice*>(this)->read_blocks(index, 1, buffer);
}
bool BlockDevice::write_block(unsigned index, const u8* data)
{
return write_blocks(index, 1, data);
}
bool BlockDevice::read_raw(u32 offset, unsigned length, u8* out) const
{
ASSERT((offset % block_size()) == 0);
ASSERT((length % block_size()) == 0);
u32 first_block = offset / block_size();
u32 end_block = (offset + length) / block_size();
return const_cast<BlockDevice*>(this)->read_blocks(first_block, end_block - first_block, out);
}
bool BlockDevice::write_raw(u32 offset, unsigned length, const u8* in)
{
ASSERT((offset % block_size()) == 0);
ASSERT((length % block_size()) == 0);
u32 first_block = offset / block_size();
u32 end_block = (offset + length) / block_size();
ASSERT(first_block <= 0xffffffff);
ASSERT(end_block <= 0xffffffff);
return write_blocks(first_block, end_block - first_block, in);
}