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Finish ELF loading, running actual code now

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wheremyfoodat 2022-09-15 17:35:59 +03:00
parent 51689af51f
commit 275c6dfd0c
7 changed files with 135 additions and 59 deletions
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22
include/memory.hpp
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@ -4,6 +4,18 @@
#include <vector>
#include "helpers.hpp"
namespace VirtualAddrs {
enum : u32 {
ExecutableStart = 0x00100000,
MaxExeSize = 0x03F00000,
ExecutableEnd = 0x00100000 + 0x03F00000,
// Stack for main ARM11 thread.
// Typically 0x4000 bytes
StackTop = 0x10000000
};
}
class Memory {
u8* fcram;
@ -12,11 +24,19 @@ class Memory {
static constexpr u32 pageShift = 12;
static constexpr u32 pageSize = 1 << pageShift;
static constexpr u32 pageMask = pageSize - 1;
static constexpr u32 totalPageCount = 1 << (32 - pageShift);
public:
Memory();
void* getReadPointer(u32 address);
void* getWritePointer(u32 address);
std::optional<u32> loadELF(std::filesystem::path& path);
u8 read8(u32 vaddr);
u16 read16(u32 vaddr);
u32 read32(u32 vaddr);
void write8(u32 vaddr, u8 value);
void write16(u32 vaddr, u16 value);
void write32(u32 vaddr, u32 value);
};