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https://github.com/yuzu-emu/yuzu.git
synced 2024-08-22 15:53:22 +02:00
added virtual address conversion for firmware FW0B
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@ -47,6 +47,8 @@ enum {
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FCRAM_PADDR_END = (FCRAM_PADDR + FCRAM_SIZE), ///< FCRAM end of physical space
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FCRAM_VADDR = 0x08000000, ///< FCRAM virtual address
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FCRAM_VADDR_END = (FCRAM_VADDR + FCRAM_SIZE), ///< FCRAM end of virtual space
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FRAM_VADDR_FW0B = 0xF0000000, ///< FCRAM adress for firmare FW0B
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FRAM_VADDR_FW0B_END = (FRAM_VADDR_FW0B + FCRAM_SIZE), ///< FCRAM adress end for FW0B
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HARDWARE_IO_PADDR = 0x10000000, ///< IO physical address start
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HARDWARE_IO_VADDR = 0x1EC00000, ///< IO virtual address start
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@ -16,14 +16,18 @@ std::map<u32, MemoryBlock> g_heap_map;
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std::map<u32, MemoryBlock> g_heap_gsp_map;
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std::map<u32, MemoryBlock> g_shared_map;
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/// Convert a physical address to virtual address
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u32 _AddressPhysicalToVirtual(const u32 addr) {
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/// Convert a physical address (or firmware-specific virtual address) to primary virtual address
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u32 _VirtualAddress(const u32 addr) {
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// Our memory interface read/write functions assume virtual addresses. Put any physical address
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// to virtual address translations here. This is obviously quite hacky... But we're not doing
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// any MMU emulation yet or anything
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if ((addr >= FCRAM_PADDR) && (addr < FCRAM_PADDR_END)) {
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return VirtualAddressFromPhysical_FCRAM(addr);
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// Virtual address mapping FW0B
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} else if ((addr >= FRAM_VADDR_FW0B) && (addr < FRAM_VADDR_FW0B_END)) {
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return VirtualAddressFromPhysical_FCRAM(addr);
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// Hardware IO
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// TODO(bunnei): FixMe
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// This isn't going to work... The physical address of HARDWARE_IO conflicts with the virtual
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@ -41,7 +45,7 @@ inline void _Read(T &var, const u32 addr) {
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// TODO: Make sure this represents the mirrors in a correct way.
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// Could just do a base-relative read, too.... TODO
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const u32 vaddr = _AddressPhysicalToVirtual(addr);
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const u32 vaddr = _VirtualAddress(addr);
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// Memory allocated for HLE use that can be addressed from the emulated application
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// The primary use of this is sharing a commandbuffer between the HLE OS (syscore) and the LLE
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@ -77,7 +81,7 @@ inline void _Read(T &var, const u32 addr) {
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template <typename T>
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inline void _Write(u32 addr, const T data) {
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u32 vaddr = _AddressPhysicalToVirtual(addr);
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u32 vaddr = _VirtualAddress(addr);
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// Memory allocated for HLE use that can be addressed from the emulated application
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// The primary use of this is sharing a commandbuffer between the HLE OS (syscore) and the LLE
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@ -121,7 +125,7 @@ inline void _Write(u32 addr, const T data) {
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}
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u8 *GetPointer(const u32 addr) {
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const u32 vaddr = _AddressPhysicalToVirtual(addr);
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const u32 vaddr = _VirtualAddress(addr);
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// FCRAM - GSP heap
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if ((vaddr >= HEAP_GSP_VADDR) && (vaddr < HEAP_GSP_VADDR_END)) {
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