OmniNX/Horizon-OC-pro
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bpmpfw: disable SMMU for FW

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souldbminersmwc committed 2026-08-27 18:48:52 -04:00
1 parent cbaa61385c
commit 6980a12324
2 files changed
+72 -4
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Source/Atmosphere-Patches/secmon_smc_register_access.cpp
+4 -4
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@@ -174,12 +174,12 @@ namespace ams::secmon::smc {
/* This is "probably" to fuck with hackers who got access to the SMC and are trying to get control of the */
/* BPMP to exploit jamais vu, deja vu, or other related DMA/wake-from-sleep vulnerabilities. */
constexpr uintptr_t MC = MemoryRegionPhysicalDeviceMemoryController.GetAddress();
SMC_R_UNLESS((address == (MC + MC_SMMU_AVPC_ASID) || address == (MC + MC_SMMU_PPCS1_ASID)), InvalidArgument);
// SMC_R_UNLESS((address == (MC + MC_SMMU_AVPC_ASID) || address == (MC + MC_SMMU_PPCS1_ASID)), InvalidArgument);
/* For backwards compatibility, we'll allow access to these devices on 1.0.0. */
if (GetTargetFirmware() < TargetFirmware_2_0_0) {
// /* For backwards compatibility, we'll allow access to these devices on 1.0.0. */
// if (GetTargetFirmware() < TargetFirmware_2_0_0) {
virtual_address = MemoryRegionVirtualDeviceMemoryController.GetAddress() + (address - MC);
}
// }
}
/* Perform the read or write, if we should. */