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qemu: Set SMP to 4 cpus for arm/x86 only

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Only qemux86* and qemuarm* support SMP with our current configurations so
rework qemu SMP enabling to account for that and only use it on the architectures
where it works.

(From OE-Core rev: ee371325ce651cc113e43bdeb5d8986d5b84a3f4)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2021-05-08 10:42:22 +01:00
parent 1584108bdc
commit 34e1bea0e8
4 changed files with 4 additions and 1 deletions
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2
meta/classes/qemuboot.bbclass
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@@ -83,7 +83,7 @@
# See "runqemu help" for more info
QB_MEM ?= "-m 256"
QB_SMP ?= "-smp 4"
QB_SMP ?= ""
QB_SERIAL_OPT ?= "-serial mon:stdio -serial null"
QB_DEFAULT_KERNEL ?= "${KERNEL_IMAGETYPE}"
QB_DEFAULT_FSTYPE ?= "ext4"

1
meta/conf/machine/include/qemuboot-x86.inc
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@@ -1,5 +1,6 @@
# For runqemu
IMAGE_CLASSES += "qemuboot"
QB_SMP = "-smp 4"
QB_CPU_x86 = "-cpu core2duo"
QB_CPU_KVM_x86 = "-cpu core2duo"

1
meta/conf/machine/qemuarm.conf
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@@ -16,6 +16,7 @@ SERIAL_CONSOLES_CHECK = "${SERIAL_CONSOLES}"
QB_SYSTEM_NAME = "qemu-system-arm"
QB_MACHINE = "-machine virt,highmem=off"
QB_CPU = "-cpu cortex-a15"
QB_SMP = "-smp 4"
# Standard Serial console
QB_KERNEL_CMDLINE_APPEND = "vmalloc=256"
# For graphics to work we need to define the VGA device as well as the necessary USB devices

1
meta/conf/machine/qemuarm64.conf
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@@ -16,6 +16,7 @@ SERIAL_CONSOLES_CHECK = "${SERIAL_CONSOLES}"
QB_SYSTEM_NAME = "qemu-system-aarch64"
QB_MACHINE = "-machine virt"
QB_CPU = "-cpu cortex-a57"
QB_SMP = "-smp 4"
QB_CPU_KVM = "-cpu host -machine gic-version=3"
# For graphics to work we need to define the VGA device as well as the necessary USB devices
QB_GRAPHICS = "-device VGA,edid=on"