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Now the system can parse paths to files/directories.
It follows the same Unix standard namespace.
For now, only absolute paths are allowed.
The parse mechanism relies on the struct path_part. Which represents
each component on a single path.
All the components are chain-linked through path_part->next, where the
last path component will have ->next == NULL.
This also introduces path_root struct, which represents the root of
the path.
The first component, linked to path_root->head, is always the "/" component.
The disk_id represents the disk the root directory is found into. This
should actually (and likely will) be a mountpoint not a disk id.
Signed-off-by: Carlos Maiolino <[email protected]>
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Also fix a off by one bug in strnlen
Signed-off-by: Carlos Maiolino <[email protected]>
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Signed-off-by: Carlos Maiolino <[email protected]>
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Signed-off-by: Carlos Maiolino <[email protected]>
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This is missing and will come in handy for path parsing.
Signed-off-by: Carlos Maiolino <[email protected]>
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Signed-off-by: Carlos Maiolino <[email protected]>
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So far we've been playing a dangerous game... We enabled interrupts
before we actually had the interrupt descriptor table setup.
Fix this so we prevent IRQs to fire before the table is initialized
and attempt to run garbage instead of code
Signed-off-by: Carlos Maiolino <[email protected]>
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Add a simple API implementing a heap memory area.
This specifies 2 main data structures:
struct heap - Defines a heap:
Holds a table with all entries in the specific heap and
the initial heap memory address
struct heap_table - Describes the usage state of every PAGE
within the specific heap.
Signed-off-by: Carlos Maiolino <[email protected]>
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This is supposed to be compliand with POSIX
Signed-off-by: Carlos Maiolino <[email protected]>
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So far I just need a roundup routine to implement a basic heap manager
Signed-off-by: Carlos Maiolino <[email protected]>
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I've forgotten to commit this when working on interrupts. The OS
won't build without these helpers.
They are used for now mostly to setup PICs.
Signed-off-by: Carlos Maiolino <[email protected]>
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This has only been working so far because vga.h was included only
on source files already including stdint.h.
We should put it direct to the header file
Signed-off-by: Carlos Maiolino <[email protected]>
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Signed-off-by: Carlos Maiolino <[email protected]>
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Move the include files to the toxic/ subdirectory, so it gets a bit more
organized.
Ah, yeah, OS name will be renamed to ToxicOS
Signed-off-by: Carlos Maiolino <[email protected]>
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