root@j784s4-evm:~# rpmsg_char_simple -r0 -n10
file_deref_link: readlink failed for /sys/bus/platform/devices/41000000.r5f
Can't create an endpoint device: No such file or directory
TEST STATUS: FAILED
root@j784s4-evm:~# rpmsg_char_simple -r1 -n10
file_deref_link: readlink failed for /sys/bus/platform/devices/41400000.r5f
Can't create an endpoint device: No such file or directory
TEST STATUS: FAILED
root@j784s4-evm:~# rpmsg_char_simple -r2 -n10
_rpmsg_char_find_ctrldev: could not find the matching rpmsg_ctrl device for virtio2.rpmsg_chrdev.-1.14
Can't create an endpoint device: Invalid argument
TEST STATUS: FAILED
root@j784s4-evm:~# rpmsg_char_simple -r3 -n10
_rpmsg_char_find_ctrldev: could not find the matching rpmsg_ctrl device for virtio3.rpmsg_chrdev.-1.14
Can't create an endpoint device: Invalid argument
TEST STATUS: FAILED
root@j784s4-evm:~# rpmsg_char_simple -r4 -n10
_rpmsg_char_find_ctrldev: could not find the matching rpmsg_ctrl device for virtio4.rpmsg_chrdev.-1.14
Can't create an endpoint device: Invalid argument
TEST STATUS: FAILED
root@j784s4-evm:~# rpmsg_char_simple -r5 -n10
_rpmsg_char_find_ctrldev: could not find the matching rpmsg_ctrl device for virtio5.rpmsg_chrdev.-1.14
Can't create an endpoint device: Invalid argument
TEST STATUS: FAILED
root@j784s4-evm:~# rpmsg_char_simple -r6 -n10
_rpmsg_char_find_rproc: SoC doesn't have rproc id 6
Can't create an endpoint device: Success
TEST STATUS: FAILED
root@j784s4-evm:~# rpmsg_char_simple -r7 -n10
_rpmsg_char_find_rproc: SoC doesn't have rproc id 7
Can't create an endpoint device: Success
TEST STATUS: FAILED
root@j784s4-evm:~# rpmsg_char_simple -r8 -n10
Created endpt device rpmsg-char-8-1275, fd = 3 port = 1025
Exchanging 10 messages with rpmsg device rpmsg-char-8-1275 on rproc id 8 ...

Sending message #0: hello there 0!
Received message #0: round trip delay(usecs) = 98035
hello there 0!
Sending message #1: hello there 1!
Received message #1: round trip delay(usecs) = 59470
hello there 1!
Sending message #2: hello there 2!
Received message #2: round trip delay(usecs) = 65430
hello there 2!
Sending message #3: hello there 3!
Received message #3: round trip delay(usecs) = 58115
hello there 3!
Sending message #4: hello there 4!
Received message #4: round trip delay(usecs) = 57170
hello there 4!
Sending message #5: hello there 5!
Received message #5: round trip delay(usecs) = 55610
hello there 5!
Sending message #6: hello there 6!
Received message #6: round trip delay(usecs) = 58915
hello there 6!
Sending message #7: hello there 7!
Received message #7: round trip delay(usecs) = 54585
hello there 7!
Sending message #8: hello there 8!
Received message #8: round trip delay(usecs) = 56135
hello there 8!
Sending message #9: hello there 9!
Received message #9: round trip delay(usecs) = 56980
hello there 9!

Communicated 10 messages successfully on rpmsg-char-8-1275

TEST STATUS: PASSED
root@j784s4-evm:~# cat /sys/kernel/debug/remoteproc/remoteproc8/trace0
IPC_Setup (core : mcu3_0) .....
mcu3_0 <--> mcu2_0, Ping- 1000, pong - 1000 completed
mcu3_0 <--> mcu4_0, Ping- 1000, pong - 1000 completed
mcu3_0 <--> mcu1_0, Ping- 1000, pong - 1000 completed
root@j784s4-evm:~# cat /sys/kernel/debug/remoteproc/remoteproc0/trace0
IPC_Setup (core : mcu2_0) .....
mcu2_0 <--> mcu3_0, Ping- 1000, pong - 1000 completed
mcu2_0 <--> mcu4_0, Ping- 1000, pong - 1000 completed
mcu2_0 <--> mcu1_0, Ping- 1000, pong - 1000 completed
root@j784s4-evm:~# cat /sys/kernel/debug/remoteproc/remoteproc1/trace0
IPC_Setup (core : mcu4_0) .....
mcu4_0 <--> mcu2_0, Ping- 1000, pong - 1000 completed
mcu4_0 <--> mcu3_0, Ping- 1000, pong - 1000 completed
mcu4_0 <--> mcu1_0, Ping- 1000, pong - 1000 completed
root@j784s4-evm:~# cat /sys/kernel/debug/remoteproc/remoteproc2/trace0
root@j784s4-evm:~# cat /sys/kernel/debug/remoteproc/remoteproc3/trace0
root@j784s4-evm:~# cat /sys/kernel/debug/remoteproc/remoteproc4/trace0
cat: can't open '/sys/kernel/debug/remoteproc/remoteproc4/trace0': No such file or directory
root@j784s4-evm:~# cat /sys/kernel/debug/remoteproc/remoteproc8/trace0
IPC_Setup (core : mcu3_0) .....
mcu3_0 <--> mcu2_0, Ping- 1000, pong - 1000 completed
mcu3_0 <--> mcu4_0, Ping- 1000, pong - 1000 completed
mcu3_0 <--> mcu1_0, Ping- 1000, pong - 1000 completed
root@j784s4-evm:~# dmesg | grep virtio
dmesg | grep remoteproc
[    6.525465] rproc-virtio rproc-virtio.8.auto: assigned reserved memory node r5f-dma-memory@a0000000
[    6.543983] virtio_rpmsg_bus virtio0: rpmsg host is online
[    6.544022] rproc-virtio rproc-virtio.8.auto: registered virtio0 (type 7)
[    6.546789] rproc-virtio rproc-virtio.9.auto: assigned reserved memory node r5f-dma-memory@a6000000
[    6.550338] virtio_rpmsg_bus virtio1: rpmsg host is online
[    6.550380] rproc-virtio rproc-virtio.9.auto: registered virtio1 (type 7)
[    6.559746] rproc-virtio rproc-virtio.8.auto: assigned reserved memory node r5f-dma-memory@a7000000
[    6.562644] virtio_rpmsg_bus virtio0: rpmsg host is online
[    6.562679] rproc-virtio rproc-virtio.8.auto: registered virtio0 (type 7)
[    6.748590] rproc-virtio rproc-virtio.10.auto: assigned reserved memory node r5f-dma-memory@a2000000
[    6.749201] virtio_rpmsg_bus virtio2: rpmsg host is online
[    6.749235] rproc-virtio rproc-virtio.10.auto: registered virtio2 (type 7)
[    6.754588] rproc-virtio rproc-virtio.11.auto: assigned reserved memory node r5f-dma-memory@a3000000
[    6.755463] virtio_rpmsg_bus virtio3: rpmsg host is online
[    6.755530] rproc-virtio rproc-virtio.11.auto: registered virtio3 (type 7)
[    6.992341] rproc-virtio rproc-virtio.12.auto: assigned reserved memory node r5f-dma-memory@a4000000
[    6.993292] virtio_rpmsg_bus virtio4: rpmsg host is online
[    6.993323] rproc-virtio rproc-virtio.12.auto: registered virtio4 (type 7)
[    6.996612] rproc-virtio rproc-virtio.13.auto: assigned reserved memory node r5f-dma-memory@a5000000
[    6.997299] virtio_rpmsg_bus virtio5: rpmsg host is online
[    6.997324] rproc-virtio rproc-virtio.13.auto: registered virtio5 (type 7)
[    7.194533] rproc-virtio rproc-virtio.14.auto: assigned reserved memory node c71-dma-memory@a8000000
[    7.195718] virtio_rpmsg_bus virtio6: rpmsg host is online
[    7.195752] rproc-virtio rproc-virtio.14.auto: registered virtio6 (type 7)
[    7.228389] virtio_rpmsg_bus virtio6: creating channel ti.ipc4.ping-pong addr 0xd
[    7.228582] virtio_rpmsg_bus virtio6: creating channel rpmsg_chrdev addr 0xe
[    7.281478] rproc-virtio rproc-virtio.15.auto: assigned reserved memory node c71-dma-memory@a9000000
[    7.282560] virtio_rpmsg_bus virtio7: rpmsg host is online
[    7.282599] rproc-virtio rproc-virtio.15.auto: registered virtio7 (type 7)
[    7.290220] rproc-virtio rproc-virtio.16.auto: assigned reserved memory node c71-dma-memory@aa000000
[    7.291537] virtio_rpmsg_bus virtio8: rpmsg host is online
[    7.291570] rproc-virtio rproc-virtio.16.auto: registered virtio8 (type 7)
[    7.310308] virtio_rpmsg_bus virtio7: creating channel ti.ipc4.ping-pong addr 0xd
[    7.310451] virtio_rpmsg_bus virtio7: creating channel rpmsg_chrdev addr 0xe
[    7.311523] rproc-virtio rproc-virtio.17.auto: assigned reserved memory node c71-dma-memory@ab000000
[    7.313215] virtio_rpmsg_bus virtio9: rpmsg host is online
[    7.313254] rproc-virtio rproc-virtio.17.auto: registered virtio9 (type 7)
[    7.319366] virtio_rpmsg_bus virtio8: creating channel ti.ipc4.ping-pong addr 0xd
[    7.319559] virtio_rpmsg_bus virtio8: creating channel rpmsg_chrdev addr 0xe
[    7.340544] virtio_rpmsg_bus virtio9: creating channel ti.ipc4.ping-pong addr 0xd
[    7.340721] virtio_rpmsg_bus virtio9: creating channel rpmsg_chrdev addr 0xe
cat /sys/class/remoteproc/remoteproc*/state
cat /sys/class/remoteproc/remoteproc*/name
cat /sys/kernel/debug/remoteproc/remoteproc3/trace0
root@j784s4-evm:~# dmesg | grep remoteproc
[    6.472853] remoteproc remoteproc0: releasing 41000000.r5f
[    6.491158] remoteproc remoteproc0: releasing 5c00000.r5f
[    6.506991] remoteproc remoteproc0: releasing 5e00000.r5f
[    6.523632] remoteproc remoteproc0: 41000000.r5f is available
[    6.523724] remoteproc remoteproc0: attaching to 41000000.r5f
[    6.544028] remoteproc remoteproc0: remote processor 41000000.r5f is now attached
[    6.544136] remoteproc remoteproc1: 5900000.r5f is available
[    6.544199] remoteproc remoteproc1: attaching to 5900000.r5f
[    6.547224] remoteproc remoteproc2: 41400000.r5f is available
[    6.547597] remoteproc remoteproc2: attaching to 41400000.r5f
[    6.547617] remoteproc remoteproc2: Carveout already associated to resource table
[    6.547621] remoteproc remoteproc2: Failed to process resources: -12
[    6.550386] remoteproc remoteproc1: remote processor 5900000.r5f is now attached
[    6.558462] remoteproc remoteproc0: detached remote processor 41000000.r5f
[    6.559297] remoteproc remoteproc3: 5a00000.r5f is available
[    6.559382] remoteproc remoteproc3: attaching to 5a00000.r5f
[    6.562685] remoteproc remoteproc3: remote processor 5a00000.r5f is now attached
[    6.738906] remoteproc remoteproc2: releasing 41400000.r5f
[    6.739038] remoteproc remoteproc0: releasing 41000000.r5f
[    6.747698] remoteproc remoteproc0: 5c00000.r5f is available
[    6.747786] remoteproc remoteproc0: attaching to 5c00000.r5f
[    6.749242] remoteproc remoteproc0: remote processor 5c00000.r5f is now attached
[    6.753735] remoteproc remoteproc2: 5d00000.r5f is available
[    6.753806] remoteproc remoteproc2: attaching to 5d00000.r5f
[    6.755538] remoteproc remoteproc2: remote processor 5d00000.r5f is now attached
[    6.768795] k3-dsp-rproc 64800000.dsp: configured DSP for remoteproc mode
[    6.769391] remoteproc remoteproc4: 64800000.dsp is available
[    6.778632] k3-dsp-rproc 65800000.dsp: configured DSP for remoteproc mode
[    6.779463] remoteproc remoteproc5: 65800000.dsp is available
[    6.783721] k3-dsp-rproc 66800000.dsp: configured DSP for remoteproc mode
[    6.784013] remoteproc remoteproc6: 66800000.dsp is available
[    6.788467] k3-dsp-rproc 67800000.dsp: configured DSP for remoteproc mode
[    6.789177] remoteproc remoteproc7: 67800000.dsp is available
[    6.991813] remoteproc remoteproc8: 5e00000.r5f is available
[    6.991876] remoteproc remoteproc8: attaching to 5e00000.r5f
[    6.993352] remoteproc remoteproc8: remote processor 5e00000.r5f is now attached
[    6.996174] remoteproc remoteproc9: 5f00000.r5f is available
[    6.996235] remoteproc remoteproc9: attaching to 5f00000.r5f
[    6.997329] remoteproc remoteproc9: remote processor 5f00000.r5f is now attached
[    7.193220] remoteproc remoteproc4: powering up 64800000.dsp
[    7.193244] remoteproc remoteproc4: Booting fw image j784s4-c71_0-fw, size 10489000
[    7.193594] remoteproc remoteproc4: unsupported resource 65538
[    7.195757] remoteproc remoteproc4: remote processor 64800000.dsp is now up
[    7.280036] remoteproc remoteproc5: powering up 65800000.dsp
[    7.280055] remoteproc remoteproc5: Booting fw image j784s4-c71_1-fw, size 10489000
[    7.280459] remoteproc remoteproc5: unsupported resource 65538
[    7.282604] remoteproc remoteproc5: remote processor 65800000.dsp is now up
[    7.288813] remoteproc remoteproc6: powering up 66800000.dsp
[    7.288832] remoteproc remoteproc6: Booting fw image j784s4-c71_2-fw, size 10489000
[    7.289247] remoteproc remoteproc6: unsupported resource 65538
[    7.291577] remoteproc remoteproc6: remote processor 66800000.dsp is now up
[    7.310119] remoteproc remoteproc7: powering up 67800000.dsp
[    7.310138] remoteproc remoteproc7: Booting fw image j784s4-c71_3-fw, size 10489000
[    7.310486] remoteproc remoteproc7: unsupported resource 65538
[    7.313261] remoteproc remoteproc7: remote processor 67800000.dsp is now up
root@j784s4-evm:~# cat /sys/class/remoteproc/remoteproc*/state
attached
attached
attached
attached
running
running
running
running
attached
attached
root@j784s4-evm:~# cat /sys/class/remoteproc/remoteproc*/name
5c00000.r5f
5900000.r5f
5d00000.r5f
5a00000.r5f
64800000.dsp
65800000.dsp
66800000.dsp
67800000.dsp
5e00000.r5f
5f00000.r5f
root@j784s4-evm:~# cat /sys/kernel/debug/remoteproc/remoteproc3/trace0
root@j784s4-evm:~#