Apache NuttX Paging on Ox64 BL808 SBC. See https://github.com/apache/nuttx/pull/11824

ox64-device-paging.log

Testing NuttX On-Demand Paging on Ox64 BL808 SBC:
- NuttX Config: https://github.com/lupyuen2/wip-pinephone-nuttx/pull/55/files
- NuttX Kernel: https://github.com/lupyuen2/wip-pinephone-nuttx/tree/on-demand-paging2
- NuttX Apps:   https://github.com/lupyuen2/wip-pinephone-nuttx-apps/tree/on-demand-paging2

[I][] 
[I][]   ____                   ____               __  __      _       
[I][]  / __ \                 |  _ \             / _|/ _|    | |      
[I][] | |  | |_ __   ___ _ __ | |_) | ___  _   _| |_| |_ __ _| | ___  
[I][] | |  | | '_ \ / _ \ '_ \|  _ < / _ \| | | |  _|  _/ _` | |/ _ \ 
[I][] | |__| | |_) |  __/ | | | |_) | (_) | |_| | | | || (_| | | (_) |
[I][]  \____/| .__/ \___|_| |_|____/ \___/ \__,_|_| |_| \__,_|_|\___/ 
[I][]        | |                                                      
[I][]       |_|                                                      
[I][] 
[I][] Powered by BouffaoLab
[I][] Build:11:52:04,Mar  6 2023
[I][] Copyright (c) 2023 OpenBouffalo team
[I][] Copyright (c) 2022 Bouffalolab team
[I][] dynamic memory init success,heap s[I][LowLoad] D0 start...
[I][LowLoad] low_load start... 
[I][LowLoad] Header at 0x5d5ff000
[I][LowLoad] Section dtb(1) - Start 0x5d5ff100, Size 14314
[I][LowLoad] Copying DTB to 0x51ff8000...0x51ffb7ea
[I][LowLoad] Done!
[I][LowLoad] Section OpenSBI(2) - Start 0x5d60f100, Size 109864
[I][LowLoad] Copying OpenSBI to 0x3ef80000...0x3ef9ad28
[I][LowLoad] Done!
[I][LowLoad] Section Kernel(3) - Start 0x5d62f100, Size 315597
[I][LowLoad]ernel to 0x50000000...
[I][LowLoad] Done!
[I][LowLoad] CRC: 00000000
[I][LowLoad] load time: 61311 us 
[I][LowLoad] [I][LowLoad] Booting OpenSBI at 03ef80000 with DTB at 0x51ff8000
OpenSBI v1.2
   ____                    _____ ____ _____
  / __ \                  / ____|  _ \_   _|
 | |  | |_ __   ___ _ __ | (___ | |_) || |
 | |  | | '_ \ / _ \ '_ \ \___ \|  _ < | |
 | |__| | |_) |  __/ | | |____) | |_) || |_
  \____/| .__/ \___|_| |_|_____/|____/_____|
        | |
        |_|

Platform Name             : Pine64 Ox64 (D0)
Platform Features         : medeleg
Platform HART  : 1
Platform IPI Device      wi
Platform Timer Device     : aclint-mtimer @ 1000000Hz
Platform Console Device   : bflb_uart
Platform HSM Device       : --Platform PMU Device       : ---
Platform Reboot Device    : ---
Platform Shutdown Device  : ---
Firmware Base             : 0x3ef80000
Firmware Size             : 200 KB
Runtime SBI Version       : 1.0

Domain0 Name              : root
Domain0 Boot HART         : 0
Domain0 HARTs             : 0*
Domain0 Region00          : 0x00000000e4008000-0x00000000e400bfff (I)
Domain0 Region01          : 0x00000000e4000000-0x00000000e4007fff (I)
Domain0 Region02          : 0x000000003ef80000-0x000000003efbffff ()
Domain0 Region03          : 0x0000000000000000-0xffffffffffffffff (R,W,X)
Domain0 Next Address      : 0x0000000050000000
Domain0 Next Arg1         : 0x0000000051ff8000
Domain0 Next Mode         : S-mode
Domain0 SysReset          : yes

Boot HART ID              : 0
Boot HART Domain          : root
Boot HART Priv Version    : v1.11
Boot HART Base ISA        : rv64imafdcvx
Boot HART ISA Extensions  : time
Boot HART PMP Count       : 8
Boot HART PMP Granularity : 4096
Boot HART PMP Address Bits: 38
Boot HART MHPM Count      : 8
Boot HART MIDELEG         : 0x0000000000000222
Boot HART MEDELEG         : 0x000000000000b109


U-Boot 2023.04-rc2 (Mar 06 2023 - 11:48:40 +0000)

DRAM:  64 MiB
Core:  36 devices, 17 uclasses, devicetree: board
MMC:   mmc@20060000: 0
Loading Environment from FAT... Unable to read "uboot.env" from mmc0:2... 
Loading Environment from nowhere... OK
In:    serial@30002000
Out:   serial@30002000
Err:   serial@30002000
Net:   
Warning: emac@20070000 (eth0) using random MAC address - 02:78:bb:df:04:50
eth0: emac@20070000
Hit any key to stop autoboot:  0 
switch to partitions #0, OK
mmc0 is current device
Scanning mmc 0:2...
Found /extlinux/extlinux.conf
Retrieving file: /extlinux/extlinux.conf
Select the boot mode
1:.Pine64 0X64 Kernel
2:.Sipeed M1SDock Kernel
Enter choice: 1:.Pine64 0X64 Kernel
Retrieving file: /extlinux/../Image
append: root=PARTLABEL=rootfs rootwaitrw rootfstype=ext4 console=ttyS0,2000000 loglevel=8 earlyc: /extlinux/../bl808-pine64-ox64## Flattened Device Tree blob at 51ff8000
   Booting using the fdt blob at 0x51ff8000
Working ff8000
   Loading Device Tree to 0000000053f22000, end 0000000053f25fab ... OK
Working FDT set to 53f22000

Starting kernel ...

ABCnx_start: Entry
uart_register: Registering /dev/console
work_start_lowpri: Starting low-priority kernel worker thread(s)
up_create_stack: ERROR: Failed to allocate stack, size 2048
_assert: Current Version: NuttX  12.4.0-RC0 990e918-dirty Mar  5 2024 15:45:34 risc-v
_assert: Assertion failed pid > 0: at file: wqueue/kwork_thread.c:263 task: Idle_Task process: Kernel 0x50201a84
up_dump_register: EPC: 00000000502021f6
up_dump_register: A0: 00000000504013e0 A1: 0000000000000107 A2: 000000005021ae40 A3: 000000000000007e
up_dump_register: A4: 0000000050400d08 A5: 0000000000000003 A6: 0000000050407e28 A7: fffffffffffffff8
up_dump_register: T0: 000000000000002e T1: 0000000000000007 T2: 00000000000001ff T3: 0000000050409878
up_dump_register: T4: 0000000050409870 T5: 0000000000000009 T6: 000000000000002a
up_dump_register: S0: 0000000000000000 S1: 0000000050400d08 S2: 0000000050407b10 S3: 0000000000000000
up_dump_register: S4: 000000005021ae40 S5: 000000005021b908 S6: 8000000200046022 S7: 0000000050401b40
up_dump_register: S8: 0000000000000107 S9: 0000000053fcf2e0 S10: 0000000000000001 S11: 0000000000000003
up_dump_register: SP: 00000000504079a0 FP: 0000000000000000 TP: 0000000000000000 RA: 00000000502021f6
dump_stack: User Stack:
dump_stack:   base: 0x50407010
dump_stack:   size: 00003056
dump_stack:     sp: 0x504079a0
stack_dump: 0x50407980: 00000001 00000000 50400d08 00000000 504079a0 00000000 5020235a 00000000
stack_dump: 0x504079a0: 50201a84 00000000 50407c00 00000000 50409460 00000000 5020a796 00000000
stack_dump: 0x504079c0: 50400d08 00000000 504013e0 00000000 5021ae40 00000000 5021b908 00000000
stack_dump: 0x504079e0: 00000107 00000000 7474754e 00000058 50409460 00000000 5020a6ba 00000000
stack_dump: 0x50407a00: 50409460 00000000 5020432c 00000000 fffffff3 ffffffff fffffffc 2e323100
stack_dump: 0x50407a20: 2d302e34 00304352 50407c00 00000000 393992f0 31396530 69642d38 20797472
stack_dump: 0x50407a40: 2072614d 32203520 20343230 343a3531 34333a35 00000000 5020894c 00000000
stack_dump: 0x50407a60: 504092f0 73697200 00762d63 ffffffff 504092f0 00000000 5020a6ba 00000000
stack_dump: 0x50407a80: 00000001 00000000 53fcf2e0 00000000 53f7a15c 00000000 00000000 00000000
stack_dump: 0x50407aa0: 00000000 00000000 53fe2f98 00000000 fffffff3 ffffffff 50400cf8 00000000
stack_dump: 0x50407ac0: 50407b10 00000000 50407b30 00000000 50401aa0 00000000 502086ec 00000000
stack_dump: 0x50407ae0: 50401aa0 00000000 50203d32 00000000 504081b0 00000000 50407b10 00000000
stack_dump: 0x50407b00: 50407b30 00000000 00000000 00000000 30357830 61313034 00003061 00000000
stack_dump: 0x50407b20: 504081b0 00000000 50204074 00000000 30357830 61313034 53003863 00000000
stack_dump: 0x50407b40: fffffff3 ffffffff 50400cf8 00000000 50401b54 00000000 50401b58 00000000
stack_dump: 0x50407b60: 50400d08 00000000 50201dbc 00000000 50400d08 00000000 50201c80 00000000
stack_dump: 0x50407b80: 50600000 00000000 01400000 00000000 5021a490 00000000 00000003 00000000
stack_dump: 0x50407ba0: 5021a490 00000000 50447c00 00000000 00000000 00000000 502006e2 00000000
stack_dump: 0x50407bc0: 50410281 00000000 50200830 00000000 00000000 00000000 00000000 2d000000
stack_dump: 0x50407be0: 53f7a15c 00000000 53ff4680 00000000 00000400 00000000 50200088 00000000
stack_dump: 0x50407c00: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dump_tasks:    PID GROUP PRI POLICY   TYPE    NPX STATE   EVENT      SIGMASK          STACKBASE  STACKSIZE      USED   FILLED    COMMAND
dump_tasks:   ----   --- --- -------- ------- --- ------- ---------- ---------------- 0x50400290      2048       184     8.9%    irq
dump_task:       0     0   0 FIFO     Kthread - Running            0000000000000000 0x50407010      3056      1472    48.1%    Idle_Task