citra/citra-nightly
1
0
Fork 0
mirror of https://github.com/citra-emu/citra-nightly.git synced 2024-12-24 01:35:31 +00:00
Code Issues Packages Projects Releases Wiki Activity

added virtual address conversion for firmware FW0B

Browse source
This commit is contained in:
bunnei 2014-04-27 22:32:51 -04:00
parent 535947a0e1
commit af921daa4c
2 changed files with 11 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/core/mem_map.h
View file

@ -47,6 +47,8 @@ enum {
FCRAM_PADDR_END = (FCRAM_PADDR + FCRAM_SIZE), ///< FCRAM end of physical space FCRAM_PADDR_END = (FCRAM_PADDR + FCRAM_SIZE), ///< FCRAM end of physical space
FCRAM_VADDR = 0x08000000, ///< FCRAM virtual address FCRAM_VADDR = 0x08000000, ///< FCRAM virtual address
FCRAM_VADDR_END = (FCRAM_VADDR + FCRAM_SIZE), ///< FCRAM end of virtual space FCRAM_VADDR_END = (FCRAM_VADDR + FCRAM_SIZE), ///< FCRAM end of virtual space
FRAM_VADDR_FW0B = 0xF0000000, ///< FCRAM adress for firmare FW0B
FRAM_VADDR_FW0B_END = (FRAM_VADDR_FW0B + FCRAM_SIZE), ///< FCRAM adress end for FW0B
HARDWARE_IO_PADDR = 0x10000000, ///< IO physical address start HARDWARE_IO_PADDR = 0x10000000, ///< IO physical address start
HARDWARE_IO_VADDR = 0x1EC00000, ///< IO virtual address start HARDWARE_IO_VADDR = 0x1EC00000, ///< IO virtual address start

14
src/core/mem_map_funcs.cpp
View file

@ -16,14 +16,18 @@ std::map<u32, MemoryBlock> g_heap_map;
std::map<u32, MemoryBlock> g_heap_gsp_map; std::map<u32, MemoryBlock> g_heap_gsp_map;
std::map<u32, MemoryBlock> g_shared_map; std::map<u32, MemoryBlock> g_shared_map;
/// Convert a physical address to virtual address /// Convert a physical address (or firmware-specific virtual address) to primary virtual address
u32 _AddressPhysicalToVirtual(const u32 addr) { u32 _VirtualAddress(const u32 addr) {
// Our memory interface read/write functions assume virtual addresses. Put any physical address // Our memory interface read/write functions assume virtual addresses. Put any physical address
// to virtual address translations here. This is obviously quite hacky... But we're not doing // to virtual address translations here. This is obviously quite hacky... But we're not doing
// any MMU emulation yet or anything // any MMU emulation yet or anything
if ((addr >= FCRAM_PADDR) && (addr < FCRAM_PADDR_END)) { if ((addr >= FCRAM_PADDR) && (addr < FCRAM_PADDR_END)) {
return VirtualAddressFromPhysical_FCRAM(addr); return VirtualAddressFromPhysical_FCRAM(addr);
// Virtual address mapping FW0B
} else if ((addr >= FRAM_VADDR_FW0B) && (addr < FRAM_VADDR_FW0B_END)) {
return VirtualAddressFromPhysical_FCRAM(addr);
// Hardware IO // Hardware IO
// TODO(bunnei): FixMe // TODO(bunnei): FixMe
// This isn't going to work... The physical address of HARDWARE_IO conflicts with the virtual // This isn't going to work... The physical address of HARDWARE_IO conflicts with the virtual
@ -41,7 +45,7 @@ inline void _Read(T &var, const u32 addr) {
// TODO: Make sure this represents the mirrors in a correct way. // TODO: Make sure this represents the mirrors in a correct way.
// Could just do a base-relative read, too.... TODO // Could just do a base-relative read, too.... TODO
const u32 vaddr = _AddressPhysicalToVirtual(addr); const u32 vaddr = _VirtualAddress(addr);
// Memory allocated for HLE use that can be addressed from the emulated application // Memory allocated for HLE use that can be addressed from the emulated application
// The primary use of this is sharing a commandbuffer between the HLE OS (syscore) and the LLE // The primary use of this is sharing a commandbuffer between the HLE OS (syscore) and the LLE
@ -77,7 +81,7 @@ inline void _Read(T &var, const u32 addr) {
template <typename T> template <typename T>
inline void _Write(u32 addr, const T data) { inline void _Write(u32 addr, const T data) {
u32 vaddr = _AddressPhysicalToVirtual(addr); u32 vaddr = _VirtualAddress(addr);
// Memory allocated for HLE use that can be addressed from the emulated application // Memory allocated for HLE use that can be addressed from the emulated application
// The primary use of this is sharing a commandbuffer between the HLE OS (syscore) and the LLE // The primary use of this is sharing a commandbuffer between the HLE OS (syscore) and the LLE
@ -121,7 +125,7 @@ inline void _Write(u32 addr, const T data) {
} }
u8 *GetPointer(const u32 addr) { u8 *GetPointer(const u32 addr) {
const u32 vaddr = _AddressPhysicalToVirtual(addr); const u32 vaddr = _VirtualAddress(addr);
// FCRAM - GSP heap // FCRAM - GSP heap
if ((vaddr >= HEAP_GSP_VADDR) && (vaddr < HEAP_GSP_VADDR_END)) { if ((vaddr >= HEAP_GSP_VADDR) && (vaddr < HEAP_GSP_VADDR_END)) {