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Diffstat (limited to 'docs/system/target-rx.rst')
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diff --git a/docs/system/target-rx.rst b/docs/system/target-rx.rst new file mode 100644 index 0000000000..4a20a89a06 --- /dev/null +++ b/docs/system/target-rx.rst @@ -0,0 +1,36 @@ +.. _RX-System-emulator: + +RX System emulator +-------------------- + +Use the executable ``qemu-system-rx`` to simulate RX target (GDB simulator). +This target emulated following devices. + +- R5F562N8 MCU + + - On-chip memory (ROM 512KB, RAM 96KB) + - Interrupt Control Unit (ICUa) + - 8Bit Timer x 1CH (TMR0,1) + - Compare Match Timer x 2CH (CMT0,1) + - Serial Communication Interface x 1CH (SCI0) + +- External memory 16MByte + +Example of ``qemu-system-rx`` usage for RX is shown below: + +Download ``<u-boot_image_file>`` from +https://osdn.net/users/ysato/pf/qemu/dl/u-boot.bin.gz + +Start emulation of rx-virt:: + qemu-system-rx -M gdbsim-r5f562n8 -bios <u-boot_image_file> + +Download ``kernel_image_file`` from +https://osdn.net/users/ysato/pf/qemu/dl/zImage + +Download ``device_tree_blob`` from +https://osdn.net/users/ysato/pf/qemu/dl/rx-virt.dtb + +Start emulation of rx-virt:: + qemu-system-rx -M gdbsim-r5f562n8 \ + -kernel <kernel_image_file> -dtb <device_tree_blob> \ + -append "earlycon" |