84 lines
2.5 KiB
CMake
84 lines
2.5 KiB
CMake
# SPDX-License-Identifier: Apache-2.0
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set(SUPPORTED_EMU_PLATFORMS qemu)
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if(NOT CONFIG_REBOOT)
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set(REBOOT_FLAG -no-reboot)
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endif()
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if(CONFIG_X86_64)
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set(QEMU_binary_suffix x86_64)
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set(QEMU_CPU_TYPE_${ARCH} qemu64,+x2apic)
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if("${CONFIG_MP_NUM_CPUS}" STREQUAL "1")
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# icount works with 1 CPU so we can enable it here.
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# FIXME: once this works across configs, remove this line and set
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# CONFIG_QEMU_ICOUNT_SHIFT in defconfig instead.
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list(APPEND QEMU_EXTRA_FLAGS -icount shift=5,align=off,sleep=off -rtc clock=vm)
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endif()
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else()
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set(QEMU_CPU_TYPE_${ARCH} qemu32,+nx,+pae)
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endif()
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if(CONFIG_XIP)
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# Extra 4MB to emulate flash area
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math(EXPR QEMU_MEMORY_SIZE_MB "${CONFIG_SRAM_SIZE} / 1024 + 4")
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elseif(CONFIG_BOARD_QEMU_X86_TINY AND CONFIG_DEMAND_PAGING
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AND NOT CONFIG_LINKER_GENERIC_SECTIONS_PRESENT_AT_BOOT)
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# Flash is at 4MB-8MB, so need this to be large enough
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math(EXPR QEMU_MEMORY_SIZE_MB "8")
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else()
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math(EXPR QEMU_MEMORY_SIZE_MB "${CONFIG_SRAM_SIZE} / 1024")
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endif()
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set(QEMU_CPU_FLAGS "")
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if(CONFIG_X86_MMX)
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string(JOIN "," QEMU_CPU_FLAGS "${QEMU_CPU_FLAGS}" "mmx")
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string(JOIN "," QEMU_CPU_FLAGS "${QEMU_CPU_FLAGS}" "mmxext")
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endif()
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if(CONFIG_X86_SSE)
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string(JOIN "," QEMU_CPU_FLAGS "${QEMU_CPU_FLAGS}" "sse")
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endif()
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if(CONFIG_X86_SSE2)
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string(JOIN "," QEMU_CPU_FLAGS "${QEMU_CPU_FLAGS}" "sse2")
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endif()
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if(CONFIG_X86_SSE3)
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string(JOIN "," QEMU_CPU_FLAGS "${QEMU_CPU_FLAGS}" "pni")
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endif()
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if(CONFIG_X86_SSSE3)
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string(JOIN "," QEMU_CPU_FLAGS "${QEMU_CPU_FLAGS}" "ssse3")
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endif()
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if(CONFIG_X86_SSE41)
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string(JOIN "," QEMU_CPU_FLAGS "${QEMU_CPU_FLAGS}" "sse4.1")
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endif()
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if(CONFIG_X86_SSE42)
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string(JOIN "," QEMU_CPU_FLAGS "${QEMU_CPU_FLAGS}" "sse4.2")
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endif()
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if(CONFIG_X86_SSE4A)
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string(JOIN "," QEMU_CPU_FLAGS "${QEMU_CPU_FLAGS}" "sse4a")
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endif()
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set(QEMU_FLAGS_${ARCH}
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-m ${QEMU_MEMORY_SIZE_MB}
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-cpu ${QEMU_CPU_TYPE_${ARCH}}${QEMU_CPU_FLAGS}
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-device isa-debug-exit,iobase=0xf4,iosize=0x04
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${REBOOT_FLAG}
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-nographic
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)
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if(NOT CONFIG_ACPI)
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list(APPEND QEMU_FLAGS_${ARCH} -no-acpi)
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endif()
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# TODO: Support debug
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# board_set_debugger_ifnset(qemu)
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# debugserver: QEMU_EXTRA_FLAGS += -s -S
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# debugserver: qemu
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if(CONFIG_BOARD_QEMU_X86_TINY AND CONFIG_DEMAND_PAGING
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AND NOT CONFIG_LINKER_GENERIC_SECTIONS_PRESENT_AT_BOOT)
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# This is to map the flash so it is accessible.
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math(EXPR QEMU_FLASH_SIZE_KB "${CONFIG_FLASH_SIZE} * 1024")
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set(X86_EXTRA_GEN_MMU_ARGUMENTS
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--map ${CONFIG_FLASH_BASE_ADDRESS},${QEMU_FLASH_SIZE_KB},W)
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endif()
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