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x32 still not working (TODO: do 1:1 page mapping, except for kernel)

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Alex
2022-10-18 21:16:12 +03:00
parent 348aa69dcb
commit cb349ae620
15 changed files with 480 additions and 94 deletions
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45
include/memory.hpp
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@ -137,6 +137,7 @@ namespace Memory
{
struct
{
#if defined(__amd64__)
bool Present : 1;
bool ReadWrite : 1;
bool UserSupervisor : 1;
@ -152,6 +153,18 @@ namespace Memory
uint32_t Available2 : 7;
uint16_t ProtectionKey : 4;
bool ExecuteDisable : 1;
#elif defined(__i386__)
bool Present : 1;
bool ReadWrite : 1;
bool UserSupervisor : 1;
bool Accessed : 1;
bool Dirty : 1;
uint8_t Available : 7;
uint32_t Frame : 20;
// TODO: i386 PDEData is not tested
#elif defined(__aarch64__)
// TODO: aarch64 PDEData not implemented
#endif
};
uint64_t raw;
} PDEData;
@ -338,26 +351,26 @@ namespace Memory
class PageMapIndexer
{
public:
uint64_t PDP_i;
uint64_t PD_i;
uint64_t PT_i;
uint64_t P_i;
uint64_t PDP_i = 0;
uint64_t PD_i = 0;
uint64_t PT_i = 0;
uint64_t P_i = 0;
PageMapIndexer(uint64_t VirtualAddress)
{
#if defined(__amd64__)
PDP_i = (VirtualAddress & ((uint64_t)0x1FF << 39)) >> 39;
PD_i = (VirtualAddress & ((uint64_t)0x1FF << 30)) >> 30;
PT_i = (VirtualAddress & ((uint64_t)0x1FF << 21)) >> 21;
P_i = (VirtualAddress & ((uint64_t)0x1FF << 12)) >> 12;
this->PDP_i = (VirtualAddress & ((uint64_t)0x1FF << 39)) >> 39;
this->PD_i = (VirtualAddress & ((uint64_t)0x1FF << 30)) >> 30;
this->PT_i = (VirtualAddress & ((uint64_t)0x1FF << 21)) >> 21;
this->P_i = (VirtualAddress & ((uint64_t)0x1FF << 12)) >> 12;
#elif defined(__i386__)
PD_i = (VirtualAddress & ((uint64_t)0x3FF << 22)) >> 22;
PT_i = (VirtualAddress & ((uint64_t)0x3FF << 12)) >> 12;
P_i = (VirtualAddress & ((uint64_t)0xFFF << 0)) >> 0;
this->PD_i = (VirtualAddress & ((uint64_t)0x3FF << 22)) >> 22;
this->PT_i = (VirtualAddress & ((uint64_t)0x3FF << 12)) >> 12;
this->P_i = (VirtualAddress & ((uint64_t)0xFFF)) >> 0;
#elif defined(__aarch64__)
PD_i = (VirtualAddress & ((uint64_t)0x1FF << 30)) >> 30;
PT_i = (VirtualAddress & ((uint64_t)0x1FF << 21)) >> 21;
P_i = (VirtualAddress & ((uint64_t)0x1FF << 12)) >> 12;
this->PD_i = (VirtualAddress & ((uint64_t)0x1FF << 30)) >> 30;
this->PT_i = (VirtualAddress & ((uint64_t)0x1FF << 21)) >> 21;
this->P_i = (VirtualAddress & ((uint64_t)0x1FF << 12)) >> 12;
#endif
}
};
@ -409,8 +422,8 @@ namespace Memory
void InitializeMemoryManagement(BootInfo *Info);
void *operator new(uint64_t Size);
void *operator new[](uint64_t Size);
void *operator new(size_t Size);
void *operator new[](size_t Size);
void operator delete(void *Pointer);
void operator delete[](void *Pointer);
void operator delete(void *Pointer, long unsigned int Size);