From: Khem Raj <[email protected]> Few years ago we switched to using mips32r2 tunings for qemumips however the default CPU emulation still remained 24Kf which is not optimal for mips32r2 ISA for qemu [1], therefore switch to recommended 32Kf for CPU emulation when running qemu in system mode
Boot time to console is ~1s faster with this setting, hopefully this should speed up qemumips in general [1] https://www.qemu.org/docs/master/system/target-mips.html#preferred-cpu-models-for-mips-hosts Signed-off-by: Khem Raj <[email protected]> Signed-off-by: Richard Purdie <[email protected]> (cherry picked from commit e68d2afd4a5529437824b5d6b9a2077c2fefd337) Signed-off-by: Steve Sakoman <[email protected]> --- meta/conf/machine/qemumips.conf | 2 ++ 1 file changed, 2 insertions(+) diff --git a/meta/conf/machine/qemumips.conf b/meta/conf/machine/qemumips.conf index 31ad754483..4617c3c7b6 100644 --- a/meta/conf/machine/qemumips.conf +++ b/meta/conf/machine/qemumips.conf @@ -12,3 +12,5 @@ KERNEL_ALT_IMAGETYPE = "vmlinux.bin" SERIAL_CONSOLES ?= "115200;ttyS0 115200;ttyS1" QB_SYSTEM_NAME = "qemu-system-mips" + +QB_CPU = "-cpu 34Kf" -- 2.17.1
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