From aae52e3f8fbf3538c20ca4ab4a5f182ef4c9ac93 Mon Sep 17 00:00:00 2001 From: bunnei Date: Sun, 6 Apr 2014 22:56:08 -0400 Subject: added hack physical memory reads with Memory::GetPointer --- src/core/src/mem_map_funcs.cpp | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'src/core') diff --git a/src/core/src/mem_map_funcs.cpp b/src/core/src/mem_map_funcs.cpp index dc4c2381d..ee2f79278 100644 --- a/src/core/src/mem_map_funcs.cpp +++ b/src/core/src/mem_map_funcs.cpp @@ -137,14 +137,21 @@ u8 *GetPointer(const u32 addr) { // TODO(bunnei): Just a stub for now... ImplementMe! if ((addr & 0x3E000000) == 0x08000000) { return g_fcram + (addr & MEM_FCRAM_MASK); - } + + // HACK(bunnei): There is no layer yet to translate virtual addresses to physical addresses. + // Until we progress far enough along, we'll accept all physical address reads here. I think + // that this is typically a corner-case from usermode software unless they are trying to do + // bare-metal things (e.g. early 3DS homebrew writes directly to the FB @ 0x20184E60, etc. + } else if (((addr & 0xF0000000) == MEM_FCRAM_PADDR) && (addr < (MEM_FCRAM_PADDR_END))) { + return g_fcram + (addr & MEM_FCRAM_MASK); + //else if ((addr & 0x3F800000) == 0x04000000) { // return g_vram + (addr & MEM_VRAM_MASK); //} //else if ((addr & 0x3F000000) >= 0x08000000 && (addr & 0x3F000000) < 0x08000000 + g_MemorySize) { // return m_pRAM + (addr & g_MemoryMask); //} - else { + } else { //ERROR_LOG(MEMMAP, "Unknown GetPointer %08x PC %08x LR %08x", addr, currentMIPS->pc, currentMIPS->r[MIPS_REG_RA]); ERROR_LOG(MEMMAP, "Unknown GetPointer %08x", addr); static bool reported = false; -- cgit v1.2.3