Justin C. Miller
f27b133089
Renamed and genericized the stack_cache class to manage any address range area of buffers or memory regions. Removed singleton and created some globals that map to different address regions (kernel stacks, kernel buffers). Tags: vmem virtual memeory
30 lines
704 B
C++
30 lines
704 B
C++
#pragma once
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#include <kutil/vector.h>
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/// A cache of kernel stack address ranges
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class buffer_cache
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{
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public:
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/// Constructor.
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/// \args start Start of virtual memory area to contain buffers
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/// \args size Size of individual buffers in bytes
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/// \args length Size of virtual memory area in bytes
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buffer_cache(uintptr_t start, size_t size, size_t length);
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/// Get an available stack address
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uintptr_t get_buffer();
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/// Return a buffer address to the available pool
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void return_buffer(uintptr_t addr);
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private:
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kutil::vector<uintptr_t> m_cache;
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uintptr_t m_next;
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const uintptr_t m_end;
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const size_t m_size;
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};
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extern buffer_cache g_kstack_cache;
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extern buffer_cache g_kbuffer_cache;
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