From 34dc0a9b0750321d9556ac2e9c57007526096caf Mon Sep 17 00:00:00 2001
From: bunnei <ericbunnie@gmail.com>
Date: Tue, 6 May 2014 23:29:39 -0400
Subject: [PATCH] added config_mem module for HLE of firmware configuration
memory settings
---
src/core/CMakeLists.txt | 1 +
src/core/core.vcxproj | 2 +
src/core/core.vcxproj.filters | 6 +++
src/core/hle/config_mem.cpp | 70 +++++++++++++++++++++++++++++++++++
src/core/hle/config_mem.h | 21 +++++++++++
5 files changed, 100 insertions(+)
create mode 100644 src/core/hle/config_mem.cpp
create mode 100644 src/core/hle/config_mem.h
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 88cbabadeb..eb4fef3815 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -19,6 +19,7 @@ set(SRCS core.cpp
file_sys/directory_file_system.cpp
file_sys/meta_file_system.cpp
hle/hle.cpp
+ hle/config_mem.cpp
hle/coprocessor.cpp
hle/syscall.cpp
hle/service/apt.cpp
diff --git a/src/core/core.vcxproj b/src/core/core.vcxproj
index 7b8953327d..b56661e48b 100644
--- a/src/core/core.vcxproj
+++ b/src/core/core.vcxproj
@@ -153,6 +153,7 @@
<ClCompile Include="elf\elf_reader.cpp" />
<ClCompile Include="file_sys\directory_file_system.cpp" />
<ClCompile Include="file_sys\meta_file_system.cpp" />
+ <ClCompile Include="hle\config_mem.cpp" />
<ClCompile Include="hle\coprocessor.cpp" />
<ClCompile Include="hle\hle.cpp" />
<ClCompile Include="hle\service\apt.cpp" />
@@ -193,6 +194,7 @@
<ClInclude Include="file_sys\directory_file_system.h" />
<ClInclude Include="file_sys\file_sys.h" />
<ClInclude Include="file_sys\meta_file_system.h" />
+ <ClInclude Include="hle\config_mem.h" />
<ClInclude Include="hle\coprocessor.h" />
<ClInclude Include="hle\function_wrappers.h" />
<ClInclude Include="hle\hle.h" />
diff --git a/src/core/core.vcxproj.filters b/src/core/core.vcxproj.filters
index fabe253ed3..5c947ec23f 100644
--- a/src/core/core.vcxproj.filters
+++ b/src/core/core.vcxproj.filters
@@ -111,6 +111,9 @@
<ClCompile Include="hle\coprocessor.cpp">
<Filter>hle</Filter>
</ClCompile>
+ <ClCompile Include="hle\config_mem.cpp">
+ <Filter>hle</Filter>
+ </ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="arm\disassembler\arm_disasm.h">
@@ -217,6 +220,9 @@
<ClInclude Include="hle\coprocessor.h">
<Filter>hle</Filter>
</ClInclude>
+ <ClInclude Include="hle\config_mem.h">
+ <Filter>hle</Filter>
+ </ClInclude>
</ItemGroup>
<ItemGroup>
<Text Include="CMakeLists.txt" />
diff --git a/src/core/hle/config_mem.cpp b/src/core/hle/config_mem.cpp
new file mode 100644
index 0000000000..48aa878cc1
--- /dev/null
+++ b/src/core/hle/config_mem.cpp
@@ -0,0 +1,70 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include "common/common_types.h"
+#include "common/log.h"
+
+#include "core/hle/config_mem.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace ConfigMem {
+
+enum {
+ KERNEL_VERSIONREVISION = 0x1FF80001,
+ KERNEL_VERSIONMINOR = 0x1FF80002,
+ KERNEL_VERSIONMAJOR = 0x1FF80003,
+ UPDATEFLAG = 0x1FF80004,
+ NSTID = 0x1FF80008,
+ SYSCOREVER = 0x1FF80010,
+ UNITINFO = 0x1FF80014,
+ KERNEL_CTRSDKVERSION = 0x1FF80018,
+ APPMEMTYPE = 0x1FF80030,
+ APPMEMALLOC = 0x1FF80040,
+ FIRM_VERSIONREVISION = 0x1FF80061,
+ FIRM_VERSIONMINOR = 0x1FF80062,
+ FIRM_VERSIONMAJOR = 0x1FF80063,
+ FIRM_SYSCOREVER = 0x1FF80064,
+ FIRM_CTRSDKVERSION = 0x1FF80068,
+};
+
+template <typename T>
+inline void Read(T &var, const u32 addr) {
+ switch (addr) {
+
+ // Bit 0 set for Retail
+ case UNITINFO:
+ var = 0x00000001;
+ break;
+
+ // Set app memory size to 64MB?
+ case APPMEMALLOC:
+ var = 0x04000000;
+ break;
+
+ // Unknown - normally set to: 0x08000000 - (APPMEMALLOC + *0x1FF80048)
+ // (Total FCRAM size - APPMEMALLOC - *0x1FF80048)
+ case 0x1FF80044:
+ var = 0x08000000 - (0x04000000 + 0x1400000);
+ break;
+
+ // Unknown - normally set to: 0x1400000 (20MB)
+ case 0x1FF80048:
+ var = 0x1400000;
+ break;
+
+ default:
+ ERROR_LOG(HLE, "unknown ConfigMem::Read%d @ 0x%08X", sizeof(var) * 8, addr);
+ }
+}
+
+// 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);
+
+
+} // namespace
diff --git a/src/core/hle/config_mem.h b/src/core/hle/config_mem.h
new file mode 100644
index 0000000000..da396a3e6d
--- /dev/null
+++ b/src/core/hle/config_mem.h
@@ -0,0 +1,21 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#pragma once
+
+// Configuration memory stores various hardware/kernel configuration settings. This memory page is
+// read-only for ARM11 processes. I'm guessing this would normally be written to by the firmware/
+// 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_types.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace ConfigMem {
+
+template <typename T>
+inline void Read(T &var, const u32 addr);
+
+} // namespace
--
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