diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | src/core/hle/hle.cpp | 3 | ||||
| -rw-r--r-- | src/core/hle/shared_page.cpp | 80 | ||||
| -rw-r--r-- | src/core/hle/shared_page.h | 26 | ||||
| -rw-r--r-- | src/core/mem_map_funcs.cpp | 5 |
5 files changed, 116 insertions, 0 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index b67226d8d..d248b454c 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -69,6 +69,7 @@ set(SRCS hle/service/y2r_u.cpp hle/config_mem.cpp hle/hle.cpp + hle/shared_page.cpp hle/svc.cpp hw/gpu.cpp hw/hw.cpp @@ -163,6 +164,7 @@ set(HEADERS hle/result.h hle/function_wrappers.h hle/hle.h + hle/shared_page.h hle/svc.h hw/gpu.h hw/hw.h diff --git a/src/core/hle/hle.cpp b/src/core/hle/hle.cpp index 33ac12507..f76048d14 100644 --- a/src/core/hle/hle.cpp +++ b/src/core/hle/hle.cpp @@ -6,6 +6,7 @@ #include "core/mem_map.h" #include "core/hle/hle.h" +#include "core/hle/shared_page.h" #include "core/hle/kernel/thread.h" #include "core/hle/service/service.h" #include "core/hle/service/fs/archive.h" @@ -71,6 +72,8 @@ void Init() { RegisterAllModules(); + SharedPage::Init(); + LOG_DEBUG(Kernel, "initialized OK"); } diff --git a/src/core/hle/shared_page.cpp b/src/core/hle/shared_page.cpp new file mode 100644 index 000000000..6033a53b4 --- /dev/null +++ b/src/core/hle/shared_page.cpp @@ -0,0 +1,80 @@ +// Copyright 2015 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/common_types.h" +#include "common/log.h" + +#include "core/core.h" +#include "core/mem_map.h" +#include "core/hle/config_mem.h" + +//////////////////////////////////////////////////////////////////////////////////////////////////// + +namespace SharedPage { + +// helper macro to properly align structure members. +// Calling INSERT_PADDING_BYTES will add a new member variable with a name like "pad121", +// depending on the current source line to make sure variable names are unique. +#define INSERT_PADDING_BYTES_HELPER1(x, y) x ## y +#define INSERT_PADDING_BYTES_HELPER2(x, y) INSERT_PADDING_BYTES_HELPER1(x, y) +#define INSERT_PADDING_BYTES(num_words) u8 INSERT_PADDING_BYTES_HELPER2(pad, __LINE__)[(num_words)] + +// 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) { + shared_page.sliderstate_3d = amount; + shared_page.ledstate_3d = (amount == 0.0f); // off when non-zero +} + +void Init() { + shared_page.running_hw = 0x1; // product + Set3DSlider(0.0f); +} + +} // namespace diff --git a/src/core/hle/shared_page.h b/src/core/hle/shared_page.h new file mode 100644 index 000000000..8f93545ec --- /dev/null +++ b/src/core/hle/shared_page.h @@ -0,0 +1,26 @@ +// Copyright 2015 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +/** + * The shared page stores various runtime configuration settings. This memory page is + * read-only for user processes (there is a bit in the header that grants the process + * write access, according to 3dbrew; this is not emulated) + */ + +#include "common/common_types.h" + +//////////////////////////////////////////////////////////////////////////////////////////////////// + +namespace SharedPage { + +template <typename T> +void Read(T &var, const u32 addr); + +void Set3DSlider(float amount); + +void Init(); + +} // namespace diff --git a/src/core/mem_map_funcs.cpp b/src/core/mem_map_funcs.cpp index 97ef1c5a3..0e3b81b28 100644 --- a/src/core/mem_map_funcs.cpp +++ b/src/core/mem_map_funcs.cpp @@ -9,6 +9,7 @@ #include "core/mem_map.h" #include "core/hw/hw.h" #include "hle/config_mem.h" +#include "hle/shared_page.h" namespace Memory { @@ -82,6 +83,10 @@ inline void Read(T &var, const VAddr vaddr) { } else if ((vaddr >= CONFIG_MEMORY_VADDR) && (vaddr < CONFIG_MEMORY_VADDR_END)) { ConfigMem::Read<T>(var, vaddr); + // Shared page + } else if ((vaddr >= SHARED_PAGE_VADDR) && (vaddr < SHARED_PAGE_VADDR_END)) { + SharedPage::Read<T>(var, vaddr); + // DSP memory } else if ((vaddr >= DSP_MEMORY_VADDR) && (vaddr < DSP_MEMORY_VADDR_END)) { var = *((const T*)&g_dsp_mem[vaddr - DSP_MEMORY_VADDR]); |