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Memory: Read ConfigMem directly from Memory::Read

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This commit is contained in:
Yuri Kunde Schlesner
2015-05-12 23:17:30 -03:00
parent 7ada357b2d
commit ec514b16a6
3 changed files with 38 additions and 50 deletions
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47
src/core/hle/config_mem.cpp
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@@ -16,52 +16,7 @@
namespace ConfigMem {
struct ConfigMemDef {
u8 kernel_unk; // 0
u8 kernel_version_rev; // 1
u8 kernel_version_min; // 2
u8 kernel_version_maj; // 3
u32 update_flag; // 4
u64 ns_tid; // 8
u32 sys_core_ver; // 10
u8 unit_info; // 14
u8 boot_firm; // 15
u8 prev_firm; // 16
INSERT_PADDING_BYTES(0x1); // 17
u32 ctr_sdk_ver; // 18
INSERT_PADDING_BYTES(0x30 - 0x1C); // 1C
u32 app_mem_type; // 30
INSERT_PADDING_BYTES(0x40 - 0x34); // 34
u32 app_mem_alloc; // 40
u32 sys_mem_alloc; // 44
u32 base_mem_alloc; // 48
INSERT_PADDING_BYTES(0x60 - 0x4C); // 4C
u8 firm_unk; // 60
u8 firm_version_rev; // 61
u8 firm_version_min; // 62
u8 firm_version_maj; // 63
u32 firm_sys_core_ver; // 64
u32 firm_ctr_sdk_ver; // 68
INSERT_PADDING_BYTES(0x1000 - 0x6C); // 6C
};
static_assert(sizeof(ConfigMemDef) == Memory::CONFIG_MEMORY_SIZE, "Config Memory structure size is wrong");
static ConfigMemDef config_mem;
template <typename T>
inline void Read(T &var, const u32 addr) {
u32 offset = addr - Memory::CONFIG_MEMORY_VADDR;
ASSERT(offset < Memory::CONFIG_MEMORY_SIZE);
var = *(reinterpret_cast<T*>(((uintptr_t)&config_mem) + 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);
ConfigMemDef config_mem;
void Init() {
std::memset(&config_mem, 0, sizeof(config_mem));

38
src/core/hle/config_mem.h
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@@ -9,17 +9,49 @@
// bootrom. Because we're not emulating this, and essentially just "stubbing" the functionality, I'm
// putting this as a subset of HLE for now.
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/swap.h"
#include "core/memory.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace ConfigMem {
template <typename T>
void Read(T &var, const u32 addr);
struct ConfigMemDef {
u8 kernel_unk; // 0
u8 kernel_version_rev; // 1
u8 kernel_version_min; // 2
u8 kernel_version_maj; // 3
u32_le update_flag; // 4
u64_le ns_tid; // 8
u32_le sys_core_ver; // 10
u8 unit_info; // 14
u8 boot_firm; // 15
u8 prev_firm; // 16
INSERT_PADDING_BYTES(0x1); // 17
u32_le ctr_sdk_ver; // 18
INSERT_PADDING_BYTES(0x30 - 0x1C); // 1C
u32_le app_mem_type; // 30
INSERT_PADDING_BYTES(0x40 - 0x34); // 34
u32_le app_mem_alloc; // 40
u32_le sys_mem_alloc; // 44
u32_le base_mem_alloc; // 48
INSERT_PADDING_BYTES(0x60 - 0x4C); // 4C
u8 firm_unk; // 60
u8 firm_version_rev; // 61
u8 firm_version_min; // 62
u8 firm_version_maj; // 63
u32_le firm_sys_core_ver; // 64
u32_le firm_ctr_sdk_ver; // 68
INSERT_PADDING_BYTES(0x1000 - 0x6C); // 6C
};
static_assert(sizeof(ConfigMemDef) == Memory::CONFIG_MEMORY_SIZE, "Config Memory structure size is wrong");
extern ConfigMemDef config_mem;
void Init();
void Shutdown();
} // namespace

3
src/core/memory.cpp
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@@ -42,7 +42,8 @@ inline void Read(T &var, const VAddr vaddr) {
// Config memory
} else if ((vaddr >= CONFIG_MEMORY_VADDR) && (vaddr < CONFIG_MEMORY_VADDR_END)) {
ConfigMem::Read<T>(var, vaddr);
const u8* raw_memory = (const u8*)&ConfigMem::config_mem;
var = *((const T*)&raw_memory[vaddr - CONFIG_MEMORY_VADDR]);
// Shared page
} else if ((vaddr >= SHARED_PAGE_VADDR) && (vaddr < SHARED_PAGE_VADDR_END)) {