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Move VFS sources into Kernel/.

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This commit is contained in:
Andreas Kling 2019-01-23 05:13:17 +01:00
parent 19104570cc
commit 754037874c
49 changed files with 35 additions and 37 deletions
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43
Kernel/DiskDevice.cpp Normal file
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@ -0,0 +1,43 @@
#include "DiskDevice.h"
DiskDevice::DiskDevice()
{
}
DiskDevice::~DiskDevice()
{
}
bool DiskDevice::read(DiskOffset offset, unsigned length, byte* out) const
{
//kprintf("DD::read %u x%u\n", offset, length);
ASSERT((offset % block_size()) == 0);
ASSERT((length % block_size()) == 0);
dword firstBlock = offset / block_size();
dword endBlock = (offset + length) / block_size();
byte* outptr = out;
for (unsigned bi = firstBlock; bi < endBlock; ++bi) {
if (!read_block(bi, outptr))
return false;
outptr += block_size();
}
return true;
}
bool DiskDevice::write(DiskOffset offset, unsigned length, const byte* in)
{
ASSERT((offset % block_size()) == 0);
ASSERT((length % block_size()) == 0);
dword firstBlock = offset / block_size();
dword endBlock = (offset + length) / block_size();
ASSERT(firstBlock <= 0xffffffff);
ASSERT(endBlock <= 0xffffffff);
const byte* inptr = in;
for (unsigned bi = firstBlock; bi < endBlock; ++bi) {
if (!write_block(bi, inptr))
return false;
inptr += block_size();
}
return true;
}