As far as I can tell, this is because you're using the ARMv7 version of jitterentropy-base-genode-nstime.h, which uses inline assembly, which is unknown to the riscv compiler. Either you find a riscv implementation of that file or you have to write it on your own.
Cheers, Martin On 27.02.23 13:55, Pranab Kumar Rout cs21m045 wrote: > Hello all, > While building sculpt for virt riscv, I was getting undefined reference > errors in app/gpt_write, > Based on Norman's suggestions earlier, > I updated the recipe for the jitterentopy API [1] that is used to > assemble the content in depot/genodelabs/api/jitterentropy/<version>/ > [1] > genode/repos/libports/recipes/api/jitterentropy/content.mk > <http://content.mk> > > This helped me overcome the undefined reference errors, But now I am > getting: > > Library jitterentropy > COMPILE jitterentropy-base-genode.o > COMPILE jitterentropy-base.o > > genode/depot/genodelabs/api/jitterentropy/2023-02-24/src/lib/jitterentropy/spec/riscv/jitterentropy-base-genode-nstime.h: > Assembler messages: > > genode/depot/genodelabs/api/jitterentropy/2023-02-24/src/lib/jitterentropy/spec/riscv/jitterentropy-base-genode-nstime.h:20: > Error: unrecognized opcode `mrc p15,0,a5,c9,c13,0' > make[7]: *** [genode/repos/base/mk/generic.mk:58 > <http://generic.mk:58>: jitterentropy-base.o] Error 1 > make[6]: *** [var/libdeps:112: jitterentropy.lib] Error 2 > make[5]: *** [Makefile:336: gen_deps_and_build_targets] Error 2 > > > This error seems be due the contents of the header file (That I had > created): > > > repos/libports/src/lib/jitterentropy/spec/riscv/jitterentropy-base-genode-nstime.h > > > because jitterentropy was not enabled yet on riscv, I had to create this > file myself. > Contents of [2] that I had written: > > #ifndef _JITTERENTROPY_RISCV_BASE_GENODE_NSTIME_H_ > #define _JITTERENTROPY_RISCV_BASE_GENODE_NSTIME_H_ > static inline void jent_get_nstime(__u64 *out) > { > uint32_t t; > asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r"(t)); > *out = t; > } > #endif > > > [2]* * > *repos/libports/src/lib/**jitterentropy/spec/riscv/*jitterentropy-base-genode*-**nstime.h > * > * > * > I tried to build it by looking at the header files corresponding to > other architectures. I am not aware of opcode for riscv. Please guide me > to write the correct code. what should be written in this header file > for riscv. > > Thanks and regards, > Pranab Kumar Rout > > _______________________________________________ > Genode users mailing list > [email protected] > https://lists.genode.org/listinfo/users > _______________________________________________ Genode users mailing list [email protected] https://lists.genode.org/listinfo/users
