9989f41fd3
- add arm64 dependent codes with GICv3 and SVE support - fix bugs based on architecture separation requests
40 lines
1.4 KiB
Plaintext
40 lines
1.4 KiB
Plaintext
CC = ${CROSS_COMPILE}gcc
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LD = ${CROSS_COMPILE}ld
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OBJDUMP = ${CROSS_COMPILE}objdump
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OBJCOPY = ${CROSS_COMPILE}objcopy
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# ARM64_MEMORY_LAYOUT
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# ----+-----------+-----------------------
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# # | page size | virtual memory space
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# ----+-----------+-----------------------
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# 1 | 4KB | 39bit [linux-linaro-tracking, upstream kernel]
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# 2 | 4KB | 48bit
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# 3 | 64KB | 42bit [CentOS]
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# 4 | 64KB | 48bit
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# ----+-----------+-----------------------
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HOST_DIR=@KDIR@
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HOST_CONFIG=$(HOST_DIR)/.config
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HOST_KERNEL_CONFIG_ARM64_64K_PAGES=$(shell grep -E "^CONFIG_ARM64_64K_PAGES=y" $(HOST_CONFIG) | sed 's|CONFIG_ARM64_64K_PAGES=||g')
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HOST_KERNEL_CONFIG_ARM64_VA_BITS=$(shell grep -E "^CONFIG_ARM64_VA_BITS=" $(HOST_CONFIG) | sed 's|CONFIG_ARM64_VA_BITS=||g')
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ifeq ($(HOST_KERNEL_CONFIG_ARM64_64K_PAGES), y)
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ifeq ($(HOST_KERNEL_CONFIG_ARM64_VA_BITS), 42)
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$(info PAGE_SIZE:64KB VA_BITS:42 PGTABLE_LEVELS:2)
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ARM64_MEMORY_LAYOUT=3
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else
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$(info PAGE_SIZE:64KB VA_BITS:48, PGTABLE_LEVELS:3)
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ARM64_MEMORY_LAYOUT=4
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endif
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else
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ifeq ($(HOST_KERNEL_CONFIG_ARM64_VA_BITS), 39)
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$(info PAGE_SIZE:4KB VA_BITS:39 PGTABLE_LEVELS:3)
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ARM64_MEMORY_LAYOUT=1
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else
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$(info PAGE_SIZE:4KB VA_BITS:48 PGTABLE_LEVELS:4)
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ARM64_MEMORY_LAYOUT=2
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endif
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endif
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$(info linker script:smp-arm64_type$(ARM64_MEMORY_LAYOUT).lds)
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LDFLAGS += -T $(SRC)/config/smp-arm64_type$(ARM64_MEMORY_LAYOUT).lds
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