process.h¶
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struct TrapFrame¶
The TrapFrame is a struct that holds the state of all the cpu registers before the trap.
- Since
v0.1
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u64 regs[32]¶
integer registers
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u64 fregs[32]¶
floating point registers
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u64 satp¶
Supervisor Address Translation and Protection register, a pointer to the virtual memory table to be used. Some of the bits tell the type of address translation being used. (TODO detail these bits.)
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int process_shrink_allocation()¶
Returns the kallocation that is no longer being tracked by the process. If “new_page_count” is 0 then this is the whole kallocation at vaddr.
If the shrink fails or encounters an error state the returned “kallocation” points to NULL.
TODO explain the context in detail.
- Parameters
process – a Process instance
vaddr – TODO
new_page_count – TODO
- Returns
a Kallocation instance or a NULL pointer
- Since
v0.1