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Pass the correct CFLAGs for Rpi3 and Rpi4 when both models run a system with aarch64 kernel and libs.

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This commit is contained in:
vanfanel 2020-05-08 16:47:17 +02:00
parent c4707eb36f
commit b0404194d2
1 changed files with 9 additions and 3 deletions
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12
Makefile
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@ -265,7 +265,7 @@ ifeq ($(TARGET_RPI),1)
OPT_FLAGS := -march=armv6zk+fp -mfpu=vfp -Ofast
endif
# Raspberry Pi 2 and 3
# Raspberry Pi 2 and 3 in ARM 32bit mode
ifneq (,$(findstring armv7l,$(machine)))
model = $(shell sh -c 'cat /sys/firmware/devicetree/base/model 2>/dev/null || echo unknown')
@ -276,9 +276,15 @@ ifeq ($(TARGET_RPI),1)
endif
endif
# RPi4 / ARM A64 NEEDS TESTING 32BIT.
# RPi3 or RPi4, in ARM64 (aarch64) mode. NEEDS TESTING 32BIT.
# DO NOT pass -mfpu stuff here, thats for 32bit ARM only and will fail for 64bit ARM.
ifneq (,$(findstring aarch64,$(machine)))
OPT_FLAGS := -march=armv8-a+crc -mtune=cortex-a53 -mfpu=neon-fp-armv8 -O3
model = $(shell sh -c 'cat /sys/firmware/devicetree/base/model 2>/dev/null || echo unknown')
ifneq (,$(findstring 3,$(model)))
OPT_FLAGS := -march=armv8-a+crc -mtune=cortex-a53 -O3
else ifneq (,$(findstring 4,$(model)))
OPT_FLAGS := -march=armv8-a+crc+simd -mtune=cortex-a72 -O3
endif
endif
endif