33 lines
574 B
C++
33 lines
574 B
C++
#ifndef _MMIO_HH_
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#define _MMIO_HH_
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#include <cstdint>
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#include "mm.hh"
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#include "cortexa8.hh"
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class MMIO_alloc {
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public:
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MMIO_alloc(uintptr_t base_p, unsigned size = 1) : base_p_{base_p}, base_v_{mm::virtalloc_io(size)}, size_{size} {
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cortexa8::map_pages(base_v_, base_p_, size_);
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}
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~MMIO_alloc() {
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cortexa8::unmap_pages(base_v_, size_);
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}
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uintptr_t const& get_virt() const noexcept {
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return base_v_;
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}
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uintptr_t const& get_phys() const noexcept {
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return base_p_;
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}
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private:
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uintptr_t base_p_, base_v_;
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unsigned size_;
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};
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#endif
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