9c71a0ec57
-Fix plic driver to handle machine vs supervisor mode -Add switch to scripts/do-qemuriscv to run in supervisor mode (with OpenSBI) -Use the FDT to detect the number of cpus and size of memory
37 lines
893 B
Makefile
37 lines
893 B
Makefile
LOCAL_DIR := $(GET_LOCAL_DIR)
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MODULE := $(LOCAL_DIR)
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ARCH := riscv
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SUBARCH ?= 32
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RISCV_MODE ?= machine
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WITH_SMP ?= 1
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SMP_MAX_CPUS ?= 8
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MODULE_DEPS += lib/cbuf
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MODULE_DEPS += lib/fdt
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MODULE_SRCS += $(LOCAL_DIR)/platform.c
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MODULE_SRCS += $(LOCAL_DIR)/plic.c
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MODULE_SRCS += $(LOCAL_DIR)/uart.c
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#ROMBASE ?= 0x20400000 # if running from rom, start here
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MEMBASE ?= 0x80000000
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MEMSIZE ?= 0x01000000 # default to 16MB
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ifeq ($(RISCV_MODE),supervisor)
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# offset the kernel to account for OpenSBI using the bottom
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KERNEL_LOAD_OFFSET ?= 0x00200000 # kernel load offset
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endif
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# sifive_e or _u?
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GLOBAL_DEFINES += PLATFORM_${VARIANT}=1
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# set some global defines based on capability
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GLOBAL_DEFINES += ARCH_RISCV_CLINT_BASE=0x02000000
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GLOBAL_DEFINES += ARCH_RISCV_MTIME_RATE=10000000
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# we're going to read the default memory map from a FDT
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GLOBAL_DEFINES += NOVM_DEFAULT_ARENA=0
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include make/module.mk
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