I've been using QEMU8 to collect instruction information on U-Boot + OpenSBI.
I'm running QEMU in this fashion to collect the information: # qemu-system-riscv64 -plugin file=qemu/build/contrib/plugins/libexeclog.so -singlestep -d plugin,nochain -D execlog.txt ... When examining the instruction trace in execlog, I've noticed that the disassembly for pmpcfg0 is erroneous, for example: 0, 0x5456, 0x3a002573, "csrrs a0,pmpcfg3,zero" the CSR encoded in the instruction above is 0x3a0, which is pmpcfg0 (which also matches the code I'm examining). For the Uboot+OpenSBI code I'm examining, pmpcfg0/3 is the only one that appears to have a problem. I also checked QEMU9 and it behaves as described above as well. I'm willing to provide a fix if I can get some advice/pointers on how this disassembly statement is generated...I did take a quick look but it didn't appear obvious how... Thanks, eric
