qemu-system-ppc64 does not work on powerpc/qoriq_e6500_64

[Joel Sherrill]

On Sat, May 8, 2021, 11:03 PM Richi Dubey <richidubey at gmail.com> wrote:

> Hi,
>
> I tried with both smp and sp tests:
>
> -------------------------------------------------- ------------------------- -------------------------
> rdubey at hpc1:~/quick-start$ ~/quick-start/rtems/6/bin/powerpc-rtems6-gdb
> --command=~/quick-start/rtems/6/bin/ppc.gdb
> ~/quick-start/src/rtems/build/powerpc/qoriq_e6500_64/testsuites/smptests/smpschededf04.exe
> GNU gdb (GDB) 10.1.90.20210409-git
> ...
> Loading section .toc, size 0x60 lma 0x78bdc
> Loading section .rtemsroset, size 0xa8 lma 0x78c3c
> Loading section .data, size 0x800 lma 0x78ce4
> Start address 0x0000000000004000, load size 480477
> Transfer rate: 16757 KB/sec, 1945 bytes/write.
>   Id   Target Id                    Frame
> * 1    Thread 1.1 (CPU#0 [running]) bsp_section_start_begin () at
> ../../../bsps/powerpc/qoriq/start/start.S:55
>   2    Thread 1.2 (CPU#1 [halted ]) 0x00000000fffffffc in ?? ()
>   3    Thread 1.3 (CPU#2 [halted ]) 0x00000000fffffffc in ?? ()
>   4    Thread 1.4 (CPU#3 [halted ]) 0x00000000fffffffc in ?? ()
> ...
> Start address 0x0000000000004000, load size 480477
> Transfer rate: 16179 KB/sec, 1945 bytes/write.
> (gdb) c
> Continuing.
>
>
> ------------------------- ------------------------- ------------------------- -------------------------
>
> Both of them hang after I run 'c'. On stepping:
>
>
> -------------------------  ------------------------- ------------------------- -------------------------
> Loading section .rtemsroset, size 0xb0 lma 0x7681c
> Loading section .data, size 0x860 lma 0x768cc
> Start address 0x0000000000004000, load size 471337
> Transfer rate: 15872 KB/sec, 1955 bytes/write.
> (gdb) ni
> 56 bl .Linitearly
> (gdb)
> bsp_section_start_begin () at ../../../bsps/powerpc/qoriq/start/start.S:153
> 153 mfspr r0, BOOKE_EPCR
> (gdb)
> 154 oris r0, r0, BOOKE_EPCR_ICM >> 16
> (gdb)
> 155 mtspr BOOKE_EPCR, r0
> (gdb)
> 158 mfmsr r0
> (gdb)
> 159 oris r0, r0, MSR_CM >> 16
> (gdb)
> 160 mtmsr r0
> (gdb)
> 161 isync
> (gdb)
> 165 mfspr r0, BOOKE_TCR
> (gdb)
> 166 LWI r4, BOOKE_TCR_DIE
> (gdb)
> 0x0000000000004288 166 LWI r4, BOOKE_TCR_DIE
> (gdb)
> 167 andc r0, r0, r4
> (gdb)
> 168 mtspr BOOKE_TCR, r0
> (gdb)
> 178 LWI r0, QORIQ_INITIAL_BUCSR
> (gdb)
> 0x0000000000004298 178 LWI r0, QORIQ_INITIAL_BUCSR
> (gdb)
> 179 mtspr FSL_EIS_BUCSR, r0
> (gdb)
> 180 isync
> (gdb)
> 185 LWI r0, QORIQ_INITIAL_HID0
> (gdb)
> 0x00000000000042a8 185 LWI r0, QORIQ_INITIAL_HID0
> (gdb)
> 186 mtspr HID0, r0
> (gdb)
> 190 LA32 r2, .TOC.
> (gdb)
> 0x00000000000042b4 190 LA32 r2, .TOC.
> (gdb)
> 199 SET_SELF_CPU_CONTROL CPU_SELF, r5
> (gdb)
> 0x00000000000042bc 199 SET_SELF_CPU_CONTROL CPU_SELF, r5
> (gdb)
> 0x00000000000042c0 199 SET_SELF_CPU_CONTROL CPU_SELF, r5
> (gdb)
> 0x00000000000042c4 199 SET_SELF_CPU_CONTROL CPU_SELF, r5
> (gdb)
> 0x00000000000042c8 199 SET_SELF_CPU_CONTROL CPU_SELF, r5
> (gdb)
> 0x0000000000000000 in ?? ()
> (gdb)
> 0x0000000000000000 in ?? ()
> (gdb)
> 0x0000000000000000 in ?? ()
> (gdb)
> 0x0000000000000000 in ?? ()
> (gdb)
> 0x0000000000000000 in ?? ()
> (gdb)
>
>
> ------------------------- ------------------------- -------------------------
> Is there a way to solve this?
>

How did you start qemu? Google shows some other results for this that
involve a series of arguments. But I have no idea if this works with our
bsp.

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