On Mon, 23 Sep 2019 at 17:26, Libo Zhou <zhl...@foxmail.com> wrote: > > Hi Philippe, Peter, > > In target/mips/translate_init.inc.c you can actually see that CPU_MIPS32 > ultimately contains ISA_MIPS1. It's just no CPU model explicitly uses > ISA_MIPS. But I agree that if my assembly has a removed instruction then it's > possible to have an invalid machine code in my program. > > As for the cross-compiler, I used a tool chain containing a compiler, an > assembler, and a linker. I produced the final ELF like this: > > $ mipsel-linux-unknown-gcc -g -S test.c -o test.s > $ mipsel-linux-unknown-as -g test.s -o test.o > $ mipsel-linux-unknown-ld test.o -o test
Can you run QEMU with some debugging options: qemu-mipsel -d in_asm,exec,cpu,unimp,guest_errors,nochain -D debug.log -singlestep test and then put the resulting debug.log somewhere we can get it? (it'll probably be quite large) thanks -- PMM
