# # SPDX-License-Identifier: BSD-3-Clause # SPDX-FileCopyrightText: Copyright TF-RMM Contributors. # # # Set the RMM_PLATFORM variable to Cmake cache. # set(RMM_PLATFORM "arm" CACHE STRING "platform") arm_config_option_override(NAME RMM_TOOLCHAIN DEFAULT "gnu") # # Set RMM_MAX_SIZE for this platform (1072MB). Needs to be kept in sync with # TF-A's REALM_DRAM_SIZE in platform_def.h. # arm_config_option_override(NAME RMM_MAX_SIZE DEFAULT 0x43000000) # # UART Base address. This must be dynamically discovered in future. # Use NS UART. # arm_config_option_override(NAME RMM_UART_ADDR DEFAULT 0x60000000) # # Extra memory regions needed by this platform: one region for UART. # arm_config_option_override(NAME PLAT_CMN_EXTRA_MMAP_REGIONS DEFAULT 1) # # Maximum number of translation tables allocated by the runtime context # for the translation library. # arm_config_option_override(NAME PLAT_CMN_CTX_MAX_XLAT_TABLES DEFAULT 9) # # Disable FPU/SIMD usage in RMM for now. Enabling this causes the Realm guest # boot to hang, and needs to be investigated. # arm_config_option_override(NAME RMM_FPU_USE_AT_REL2 DEFAULT OFF) # # Maximum number of granules supported. Needs to be kept in sync with # TF-A's PLAT_QEMU_L1_GPT_SIZE in platform_def.h. For SBSA we currently # support a maximum of 1TB, which is 1024 L1GPTs plus another L1GPT for # miscellaneous mapping, for a total of 1025 L1GPTs. Each L1GPT maps 1GB, # which yields 262144 GPT entries (GPTEs) per table, for a total of # 0x10040000 granules. # arm_config_option_override(NAME RMM_MAX_GRANULES DEFAULT 0x10040000) # # TF-A sets a limit of 512 CPUs for the QEMU SBSA platform. See # PLATFORM_MAX_CPUS_PER_CLUSTER and PLATFORM_CLUSTER_COUNT in file # plat/qemu/qemu_sbsa/include/platform_def.h # arm_config_option_override(NAME MAX_CPUS DEFAULT 512) # # The SBSA's RAM starts at 1TB and the RMM code is located at that address. # As such we need to set this to at least 41, which also means that a VM can # have at most 1TB of RAM. # arm_config_option_override(NAME PLAT_CMN_VIRT_ADDR_SPACE_WIDTH DEFAULT 41)