/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef _RULES_H #define _RULES_H #if defined(__TEST__) #define ENV_TEST 1 #else #define ENV_TEST 0 #endif #if defined(__TIMELESS__) #define ENV_TIMELESS 1 #else #define ENV_TIMELESS 0 #endif /* Useful helpers to tell whether the code is executing in bootblock, * romstage, ramstage or SMM. */ #if defined(__DECOMPRESSOR__) #define ENV_DECOMPRESSOR 1 #define ENV_BOOTBLOCK 0 #define ENV_ROMSTAGE 0 #define ENV_RAMSTAGE 0 #define ENV_SMM 0 #define ENV_SEPARATE_VERSTAGE 0 #define ENV_RMODULE 0 #define ENV_POSTCAR 0 #define ENV_LIBAGESA 0 #define ENV_STRING "decompressor" #elif defined(__BOOTBLOCK__) #define ENV_DECOMPRESSOR 0 #define ENV_BOOTBLOCK 1 #define ENV_ROMSTAGE 0 #define ENV_RAMSTAGE 0 #define ENV_SMM 0 #define ENV_SEPARATE_VERSTAGE 0 #define ENV_RMODULE 0 #define ENV_POSTCAR 0 #define ENV_LIBAGESA 0 #define ENV_STRING "bootblock" #elif defined(__ROMSTAGE__) #define ENV_DECOMPRESSOR 0 #define ENV_BOOTBLOCK 0 #define ENV_ROMSTAGE 1 #define ENV_RAMSTAGE 0 #define ENV_SMM 0 #define ENV_SEPARATE_VERSTAGE 0 #define ENV_RMODULE 0 #define ENV_POSTCAR 0 #define ENV_LIBAGESA 0 #define ENV_STRING "romstage" #elif defined(__SMM__) #define ENV_DECOMPRESSOR 0 #define ENV_BOOTBLOCK 0 #define ENV_ROMSTAGE 0 #define ENV_RAMSTAGE 0 #define ENV_SMM 1 #define ENV_SEPARATE_VERSTAGE 0 #define ENV_RMODULE 0 #define ENV_POSTCAR 0 #define ENV_LIBAGESA 0 #define ENV_STRING "smm" /* * NOTE: "verstage" code may either run as a separate stage or linked into the * bootblock/romstage, depending on the setting of the VBOOT_SEPARATE_VERSTAGE * kconfig option. The ENV_SEPARATE_VERSTAGE macro will only return true for * "verstage" code when CONFIG(VBOOT_SEPARATE_VERSTAGE) is true, otherwise that * code will have ENV_BOOTBLOCK or ENV_ROMSTAGE set (depending on the * "VBOOT_STARTS_IN_"... kconfig options). */ #elif defined(__VERSTAGE__) #define ENV_DECOMPRESSOR 0 #define ENV_BOOTBLOCK 0 #define ENV_ROMSTAGE 0 #define ENV_RAMSTAGE 0 #define ENV_SMM 0 #define ENV_SEPARATE_VERSTAGE 1 #define ENV_RMODULE 0 #define ENV_POSTCAR 0 #define ENV_LIBAGESA 0 #if CONFIG(VBOOT_STARTS_BEFORE_BOOTBLOCK) #define ENV_STRING "verstage-before-bootblock" #else #define ENV_STRING "verstage" #endif #elif defined(__RAMSTAGE__) #define ENV_DECOMPRESSOR 0 #define ENV_BOOTBLOCK 0 #define ENV_ROMSTAGE 0 #define ENV_RAMSTAGE 1 #define ENV_SMM 0 #define ENV_SEPARATE_VERSTAGE 0 #define ENV_RMODULE 0 #define ENV_POSTCAR 0 #define ENV_LIBAGESA 0 #define ENV_STRING "ramstage" #elif defined(__RMODULE__) #define ENV_DECOMPRESSOR 0 #define ENV_BOOTBLOCK 0 #define ENV_ROMSTAGE 0 #define ENV_RAMSTAGE 0 #define ENV_SMM 0 #define ENV_SEPARATE_VERSTAGE 0 #define ENV_RMODULE 1 #define ENV_POSTCAR 0 #define ENV_LIBAGESA 0 #define ENV_STRING "rmodule" #elif defined(__POSTCAR__) #define ENV_DECOMPRESSOR 0 #define ENV_BOOTBLOCK 0 #define ENV_ROMSTAGE 0 #define ENV_RAMSTAGE 0 #define ENV_SMM 0 #define ENV_SEPARATE_VERSTAGE 0 #define ENV_RMODULE 0 #define ENV_POSTCAR 1 #define ENV_LIBAGESA 0 #define ENV_STRING "postcar" #elif defined(__LIBAGESA__) #define ENV_DECOMPRESSOR 0 #define ENV_BOOTBLOCK 0 #define ENV_ROMSTAGE 0 #define ENV_RAMSTAGE 0 #define ENV_SMM 0 #define ENV_SEPARATE_VERSTAGE 0 #define ENV_RMODULE 0 #define ENV_POSTCAR 0 #define ENV_LIBAGESA 1 #define ENV_STRING "libagesa" #else /* * Default case of nothing set for random blob generation using * create_class_compiler that isn't bound to a stage. */ #define ENV_DECOMPRESSOR 0 #define ENV_BOOTBLOCK 0 #define ENV_ROMSTAGE 0 #define ENV_RAMSTAGE 0 #define ENV_SMM 0 #define ENV_SEPARATE_VERSTAGE 0 #define ENV_RMODULE 0 #define ENV_POSTCAR 0 #define ENV_LIBAGESA 0 #define ENV_STRING "UNKNOWN" #endif /* Define helpers about the current architecture, based on toolchain.inc. */ #if defined(__ARCH_arm__) #define ENV_ARM 1 #define ENV_ARM64 0 #if __COREBOOT_ARM_ARCH__ == 4 #define ENV_ARMV4 1 #define ENV_ARMV7 0 #define ENV_ARCH "armv4" #elif __COREBOOT_ARM_ARCH__ == 7 #define ENV_ARMV4 0 #define ENV_ARMV7 1 #define ENV_ARCH "armv7" #if defined(__COREBOOT_ARM_V7_A__) #define ENV_ARMV7_A 1 #define ENV_ARMV7_M 0 #define ENV_ARMV7_R 0 #elif defined(__COREBOOT_ARM_V7_M__) #define ENV_ARMV7_A 0 #define ENV_ARMV7_M 1 #define ENV_ARMV7_R 0 #elif defined(__COREBOOT_ARM_V7_R__) #define ENV_ARMV7_A 0 #define ENV_ARMV7_M 0 #define ENV_ARMV7_R 1 #endif #else #define ENV_ARMV4 0 #define ENV_ARMV7 0 #endif #define ENV_ARMV8 0 #define ENV_RISCV 0 #define ENV_X86 0 #define ENV_X86_32 0 #define ENV_X86_64 0 #elif defined(__ARCH_arm64__) #define ENV_ARM 0 #define ENV_ARM64 1 #define ENV_ARMV4 0 #define ENV_ARMV7 0 #if __COREBOOT_ARM_ARCH__ == 8 #define ENV_ARMV8 1 #else #define ENV_ARMV8 0 #endif #define ENV_RISCV 0 #define ENV_X86 0 #define ENV_X86_32 0 #define ENV_X86_64 0 #define ENV_ARCH "aarch64" #elif defined(__ARCH_riscv__) #define ENV_ARM 0 #define ENV_ARM64 0 #define ENV_ARMV4 0 #define ENV_ARMV7 0 #define ENV_ARMV8 0 #define ENV_RISCV 1 #define ENV_X86 0 #define ENV_X86_32 0 #define ENV_X86_64 0 #define ENV_ARCH "riscv" #elif defined(__ARCH_x86_32__) #define ENV_ARM 0 #define ENV_ARM64 0 #define ENV_ARMV4 0 #define ENV_ARMV7 0 #define ENV_ARMV8 0 #define ENV_RISCV 0 #define ENV_X86 1 #define ENV_X86_32 1 #define ENV_X86_64 0 #define ENV_ARCH "x86_32" #elif defined(__ARCH_x86_64__) #define ENV_ARM 0 #define ENV_ARM64 0 #define ENV_ARMV4 0 #define ENV_ARMV7 0 #define ENV_ARMV8 0 #define ENV_RISCV 0 #define ENV_X86 1 #define ENV_X86_32 0 #define ENV_X86_64 1 #define ENV_ARCH "x86_64" #else #define ENV_ARM 0 #define ENV_ARM64 0 #define ENV_ARMV4 0 #define ENV_ARMV7 0 #define ENV_ARMV8 0 #define ENV_RISCV 0 #define ENV_X86 0 #define ENV_X86_32 0 #define ENV_X86_64 0 #define ENV_ARCH "unknown" #endif #if CONFIG(RAMPAYLOAD) /* ENV_PAYLOAD_LOADER is set to ENV_POSTCAR when CONFIG_RAMPAYLOAD is enabled */ #define ENV_PAYLOAD_LOADER ENV_POSTCAR #else /* ENV_PAYLOAD_LOADER is set when you are in a stage that loads the payload. * For now, that is the ramstage. */ #define ENV_PAYLOAD_LOADER ENV_RAMSTAGE #endif #define ENV_ROMSTAGE_OR_BEFORE \ (ENV_DECOMPRESSOR || ENV_BOOTBLOCK || ENV_ROMSTAGE || \ (ENV_SEPARATE_VERSTAGE && !CONFIG(VBOOT_STARTS_IN_ROMSTAGE))) #if ENV_X86 /* Indicates memory layout is determined with arch/x86/car.ld. */ #define ENV_CACHE_AS_RAM (ENV_ROMSTAGE_OR_BEFORE && !CONFIG(RESET_VECTOR_IN_RAM)) #else #define ENV_CACHE_AS_RAM 0 #endif /* Indicates .data section support. */ #define ENV_HAS_DATA_SECTION 1 /* Indicates if the stage uses the _data and _bss regions defined in * arch/x86/car.ld */ #define ENV_SEPARATE_DATA_AND_BSS (ENV_CACHE_AS_RAM && (ENV_BOOTBLOCK || !CONFIG(NO_XIP_EARLY_STAGES))) /* Currently rmodules, ramstage and smm have heap. */ #define ENV_HAS_HEAP_SECTION (ENV_RMODULE || ENV_RAMSTAGE || ENV_SMM) /* Set USER_SPACE in the makefile for the rare code that runs in userspace */ #if defined(__USER_SPACE__) #define ENV_USER_SPACE 1 #else #define ENV_USER_SPACE 0 #endif /* Define the first stage to run */ #if CONFIG(VBOOT_STARTS_BEFORE_BOOTBLOCK) #define ENV_INITIAL_STAGE ENV_SEPARATE_VERSTAGE #else #define ENV_INITIAL_STAGE ENV_BOOTBLOCK #endif #define ENV_CREATES_CBMEM ENV_ROMSTAGE #define ENV_HAS_CBMEM (ENV_ROMSTAGE | ENV_POSTCAR | ENV_RAMSTAGE) #define ENV_RAMINIT ENV_ROMSTAGE #if ENV_X86 #define ENV_HAS_SPINLOCKS !ENV_ROMSTAGE_OR_BEFORE #elif ENV_RISCV #define ENV_HAS_SPINLOCKS 1 #else #define ENV_HAS_SPINLOCKS 0 #endif /* When set is included for the spinlock implementation. */ #define ENV_SUPPORTS_SMP (CONFIG(SMP) && ENV_HAS_SPINLOCKS) #if ENV_X86 && CONFIG(COOP_MULTITASKING) && (ENV_RAMSTAGE || ENV_ROMSTAGE) /* TODO: Enable in all x86 stages */ #define ENV_SUPPORTS_COOP 1 #else #define ENV_SUPPORTS_COOP 0 #endif /** * For pre-DRAM stages and post-CAR always build with simple device model, ie. * PCI, PNP and CPU functions operate without use of devicetree. The reason * post-CAR utilizes __SIMPLE_DEVICE__ is for simplicity. Currently there's * no known requirement that devicetree would be needed during that stage. * * For ramstage individual source file may define __SIMPLE_DEVICE__ * before including any header files to force that particular source * be built with simple device model. */ #if !ENV_RAMSTAGE #define __SIMPLE_DEVICE__ #endif #endif /* _RULES_H */