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Memory: Read SharedPage directly from Memory::Read

This commit is contained in:
Yuri Kunde Schlesner 2015-05-12 23:29:24 -03:00
parent ec514b16a6
commit 52158c1b8d
3 changed files with 37 additions and 59 deletions
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57
src/core/hle/shared_page.cpp
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@ -16,63 +16,12 @@
namespace SharedPage {
// see http://3dbrew.org/wiki/Configuration_Memory#Shared_Memory_Page_For_ARM11_Processes
#pragma pack(1)
struct DateTime {
u64 date_time; // 0x0
u64 update_tick; // 0x8
INSERT_PADDING_BYTES(0x20 - 0x10); // 0x10
};
struct SharedPageDef {
// most of these names are taken from the 3dbrew page linked above.
u32 date_time_selector; // 0x0
u8 running_hw; // 0x4
u8 mcu_hw_info; // 0x5: don't know what the acronyms mean
INSERT_PADDING_BYTES(0x20 - 0x6); // 0x6
DateTime date_time_0; // 0x20
DateTime date_time_1; // 0x40
u8 wifi_macaddr[6]; // 0x60
u8 wifi_unknown1; // 0x66: 3dbrew says these are "Likely wifi hardware related"
u8 wifi_unknown2; // 0x67
INSERT_PADDING_BYTES(0x80 - 0x68); // 0x68
float sliderstate_3d; // 0x80
u8 ledstate_3d; // 0x84
INSERT_PADDING_BYTES(0xA0 - 0x85); // 0x85
u64 menu_title_id; // 0xA0
u64 active_menu_title_id; // 0xA8
INSERT_PADDING_BYTES(0x1000 - 0xB0); // 0xB0
};
#pragma pack()
static_assert(sizeof(DateTime) == 0x20, "Datetime size is wrong");
static_assert(sizeof(SharedPageDef) == Memory::SHARED_PAGE_SIZE, "Shared page structure size is wrong");
static SharedPageDef shared_page;
template <typename T>
inline void Read(T &var, const u32 addr) {
u32 offset = addr - Memory::SHARED_PAGE_VADDR;
var = *(reinterpret_cast<T*>(((uintptr_t)&shared_page) + offset));
}
// Explicitly instantiate template functions because we aren't defining this in the header:
template void Read<u64>(u64 &var, const u32 addr);
template void Read<u32>(u32 &var, const u32 addr);
template void Read<u16>(u16 &var, const u32 addr);
template void Read<u8>(u8 &var, const u32 addr);
void Set3DSlider(float amount) {
std::memset(&shared_page, 0, sizeof(shared_page));
shared_page.sliderstate_3d = amount;
shared_page.ledstate_3d = (amount == 0.0f); // off when non-zero
}
SharedPageDef shared_page;
void Init() {
std::memset(&shared_page, 0, sizeof(shared_page));
shared_page.running_hw = 0x1; // product
Set3DSlider(0.0f);
}
void Shutdown() {

36
src/core/hle/shared_page.h
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@ -11,18 +11,46 @@
*/
#include "common/common_types.h"
#include "common/swap.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace SharedPage {
template <typename T>
void Read(T &var, const u32 addr);
// See http://3dbrew.org/wiki/Configuration_Memory#Shared_Memory_Page_For_ARM11_Processes
void Set3DSlider(float amount);
struct DateTime {
u64_le date_time; // 0
u64_le update_tick; // 8
INSERT_PADDING_BYTES(0x20 - 0x10); // 10
};
static_assert(sizeof(DateTime) == 0x20, "Datetime size is wrong");
struct SharedPageDef {
// Most of these names are taken from the 3dbrew page linked above.
u32_le date_time_selector; // 0
u8 running_hw; // 4
/// "Microcontroller hardware info"
u8 mcu_hw_info; // 5
INSERT_PADDING_BYTES(0x20 - 0x6); // 6
DateTime date_time_0; // 20
DateTime date_time_1; // 40
u8 wifi_macaddr[6]; // 60
u8 wifi_unknown1; // 66
u8 wifi_unknown2; // 67
INSERT_PADDING_BYTES(0x80 - 0x68); // 68
float_le sliderstate_3d; // 80
u8 ledstate_3d; // 84
INSERT_PADDING_BYTES(0xA0 - 0x85); // 85
u64_le menu_title_id; // A0
u64_le active_menu_title_id; // A8
INSERT_PADDING_BYTES(0x1000 - 0xB0); // B0
};
static_assert(sizeof(SharedPageDef) == Memory::SHARED_PAGE_SIZE, "Shared page structure size is wrong");
extern SharedPageDef shared_page;
void Init();
void Shutdown();
} // namespace

3
src/core/memory.cpp
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@ -47,7 +47,8 @@ inline void Read(T &var, const VAddr vaddr) {
// Shared page
} else if ((vaddr >= SHARED_PAGE_VADDR) && (vaddr < SHARED_PAGE_VADDR_END)) {
SharedPage::Read<T>(var, vaddr);
const u8* raw_memory = (const u8*)&SharedPage::shared_page;
var = *((const T*)&raw_memory[vaddr - SHARED_PAGE_VADDR]);
// DSP memory
} else if ((vaddr >= DSP_RAM_VADDR) && (vaddr < DSP_RAM_VADDR_END)) {