3908253038
This patch implements a simple, lightweight form of protection domains using a pluggable framework. Currently, the following plugin is available: - Flat memory model with paging. The overall goal of a protection domain implementation within this framework is to define a set of resources that should be accessible to each protection domain and to prevent that protection domain from accessing other resources. The details of each implementation of protection domains may differ substantially, but they should all be guided by the principle of least privilege. However, that idealized principle is balanced against the practical objectives of limiting the number of relatively time-consuming context switches and minimizing changes to existing code. For additional information, please refer to cpu/x86/mm/README.md. This patch also causes the C compiler to be used as the default linker and assembler.
69 lines
2.2 KiB
Text
69 lines
2.2 KiB
Text
# See mm/README.md for a description of available settings:
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X86_CONF_PROT_DOMAINS ?= none
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include $(CONTIKI)/cpu/x86/Makefile.x86_common
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CONTIKI_CPU_DIRS += drivers/legacy_pc drivers/quarkX1000 init/legacy_pc net mm
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CONTIKI_SOURCEFILES += bootstrap_quarkX1000.S rtc.c pit.c pic.c irq.c nmi.c pci.c uart-16x50.c uart.c gpio.c i2c.c eth.c shared-isr.c
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CONTIKI_SOURCEFILES += imr.c msg-bus.c
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CONTIKI_SOURCEFILES += stacks.c
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ifneq ($(X86_CONF_PROT_DOMAINS),none)
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CONTIKI_SOURCEFILES += prot-domains.c $(X86_CONF_PROT_DOMAINS)-prot-domains.c imr-conf.c
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ifeq ($(X86_CONF_PROT_DOMAINS),paging)
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LINKERSCRIPT_SFX = _paging
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X86_CONF_SYSCALLS_INT = 1
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ifeq ($(X86_CONF_USE_INVLPG),1)
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CFLAGS += -DX86_CONF_USE_INVLPG
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endif
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# This matches the definition of X86_CONF_PROT_DOMAINS__PAGING in prot-domains.h:
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CFLAGS += -DX86_CONF_PROT_DOMAINS=1
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else
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$(error Unrecognized setting for X86_CONF_PROT_DOMAINS: \
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$(X86_CONF_PROT_DOMAINS). See cpu/x86/mm/README.md for \
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descriptions of available settings)
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endif
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ifeq ($(X86_CONF_SYSCALLS_INT),1)
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CONTIKI_SOURCEFILES += syscalls-int-asm.S tss.c
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endif
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endif
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CFLAGS += -m32 -march=i586 -mtune=i586
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LDFLAGS += -m32 -Xlinker -T -Xlinker $(CONTIKI)/cpu/x86/quarkX1000$(LINKERSCRIPT_SFX).ld
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# The C compiler is used to invoke the assembler, so the CFLAGS should be
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# passed to it on the command line:
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ASFLAGS = -c $(CFLAGS)
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ifeq ($(X86_CONF_RESTRICT_DMA),1)
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CONTIKI_SOURCEFILES += imr-conf.c
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CFLAGS += -DX86_CONF_RESTRICT_DMA
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LDFLAGS += -Xlinker -T -Xlinker $(CONTIKI)/cpu/x86/quarkX1000_dma.ld
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endif
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### UEFI support
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UEFI_DIR = $(CONTIKI_CPU)/uefi
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ifndef EN_UEFI
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# Include a Makefile generated by the build_uefi.sh script, if available.
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# If that script was not run, then UEFI support will not be built.
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-include $(UEFI_DIR)/Makefile.uefi
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endif
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ifeq ($(EN_UEFI),1)
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EDK2_DIR = $(UEFI_DIR)/edk2
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GEN_FW = $(EDK2_DIR)/BaseTools/Source/C/bin/GenFw
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CONTIKI_CPU_DIRS += uefi
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CONTIKI_SOURCEFILES += bootstrap_uefi.c
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CFLAGS += -I$(EDK2_DIR)/MdePkg/Include -I$(EDK2_DIR)/MdePkg/Include/Ia32
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else
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$(info Note: UEFI support is disabled.)
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$(info To enable UEFI support, run $(CONTIKI_CPU)/uefi/build_uefi.sh prior)
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$(info to building Contiki.)
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endif
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