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This reverts commitf7a887c368and23aee3eac4since the kernel patch is not needed as soon as qemu >= 3.1.0 is used with a kernel >= 4.11-rc1. The qemu emulation of sh-sci driver was fixed by adding basic timeout handling for 9600 bps [1]. [1] https://git.qemu.org/?p=qemu.git;a=commit;h=71bb4ce1b5592cdc03abc48cdf4ecb15b2db81a0 Signed-off-by: Romain Naour <romain.naour@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Run the emulation with: qemu-system-sh4eb -M r2d -kernel output/images/zImage -drive file=output/images/rootfs.ext2,if=ide,format=raw -append "rootwait root=/dev/sda console=ttySC1,115200 noiotrap" -serial null -serial stdio -net nic,model=rtl8139 -net user # qemu_sh4eb_r2d_defconfig The login prompt will appear in the terminal that started Qemu. The graphical window is the framebuffer.