[PATCH v32 22/22] qemu-doc.texi: Add RX section.

[Yoshinori Sato <ysato@users.sourceforge.jp>]

Describe emulated target specification. And two examples.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
---
 qemu-doc.texi | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/qemu-doc.texi b/qemu-doc.texi
index 33b9597b1d..d80a9c64f7 100644
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -1719,6 +1719,7 @@ differences are mentioned in the following sections.
 * Microblaze System emulator::
 * SH4 System emulator::
 * Xtensa System emulator::
+* RX System emulator::
 @end menu
 
 @node PowerPC System emulator
@@ -2487,6 +2488,49 @@ so should only be used with trusted guest OS.
 
 @c man end
 
+@node RX System emulator
+@section RX System emulator
+@cindex system emulation (RX)
+
+Use the executable @file{qemu-system-rx} to simulate a Virtual RX target.
+This target emulated following devices.
+
+@itemize @minus
+@item
+R5F562N8 MCU
+@item
+On-chip memory (ROM 512KB, RAM 96KB)
+@item
+Interrupt Control Unit (ICUa)
+@item
+8Bit Timer x 1CH (TMR0,1)
+@item
+Compare Match Timer x 2CH (CMT0,1)
+@item
+Serial Communication Interface x 1CH (SCI0)
+@item
+External memory 16MByte
+@end itemize
+
+Example of @file{qemu-system-rx} usage for rx is shown below:
+
+Download @code{u-boot_image} from @url{https://osdn.net/users/ysato/pf/qemu/dl/u-boot.bin.gz}
+
+Start emulation of rx-virt:
+@example
+qemu-system-rx -bios @code{u-boot_image}
+@end example
+
+Download @code{kernel_image} from @url{https://osdn.net/users/ysato/pf/qemu/dl/zImage}
+
+Download @code{device_tree_blob} from @url{https://osdn.net/users/ysato/pf/qemu/dl/rx-virt.dtb}
+
+Start emulation of rx-virt:
+@example
+qemu-system-rx -kernel @code{kernel_image} -dtb @code{device_tree_blob} \
+  -append "earlycon"
+@end example
+
 @node QEMU User space emulator
 @chapter QEMU User space emulator
 
-- 
2.20.1