PrOSess/kernel/include/memory/sections.h

29 lines
917 B
C++

#pragma once
#include "memory/pointer.h"
struct KernelSection {
uint64_t vma_start;
uint64_t vma_end;
const char* name;
paddr_t phys_start() const { return paddr_t{vma_start >= high_base ? vma_start - high_base : vma_start}; }
paddr_t phys_end() const { return paddr_t{vma_end >= high_base ? vma_end - high_base : vma_end}; }
};
extern KernelSection __reserved_ranges_start__[], __reserved_ranges_end__[];
template<typename Fn>
void for_each_reserved_section(Fn&& fn) {
for (auto* s = __reserved_ranges_start__; s < __reserved_ranges_end__; ++s)
fn(*s);
}
inline bool is_in_reserved_section(paddr_t ptr, size_t size = 1) {
bool res = false;
for_each_reserved_section([&](const KernelSection& section) {
if (ptr.address < section.phys_end().address && section.phys_start().address < ptr.address + size) {
res = true;
}
});
return res;
}