regarding Sculpt on virt_qemu_riscv
Martin Stein
martin.stein at genode-labs.com
Thu Feb 23 10:19:41 CET 2023
... Nevermind, I just found that the implementations should be added
through lib/mk/jitterentropy.inc. So, I supsect it's the packaging issue
that Norman described.
Cheers,
Martin
On 23.02.23 10:13, Martin Stein wrote:
> Hi Pranab,
>
> These errors indicate that your version of jitterentropy declares
> jitterentropy_init and jent_entropy_collector_alloc but doesn't
> implement them. I'd suggest you to lookup the where the other versions
> (arm, x86) implement the functions and whether the implementations are
> generic or platform specific. If the latter is the case, you either find
> an existing riscv implementation in the contrib code
> (contrib/jitterentropy*) or you have to implement the functions for
> riscv yourself. If the former is the case, you're probably just missed
> to add the corresponding compilation unit to your makefile (SRC_C variable).
>
> PS: Please don't re-use the file headers (brief, author, copyright) of
> Genode Labs.
>
> Cheers,
> Martin
>
> On 22.02.23 12:27, Pranab Kumar Rout cs21m045 wrote:
>> Hi Martin,
>> Following your suggestion, I added these 2 files.
>> 1.
>> *repos/libports/src/lib/jitterentropy/spec/riscv/jitterentropy-base-genode-nstime.h**
>> *
>> Its contents are:
>>
>> /*
>> * \brief Time backend for jitterentropy library
>> * \author Josef Soentgen
>> * \date 2014-08-18
>> */
>> /*
>> * Copyright (C) 2014-2017 Genode Labs GmbH
>> *
>> * This file is part of the Genode OS framework, which is distributed
>> * under the terms of the GNU Affero General Public License version 3.
>> */
>> #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/lib/mk/spec/riscv/jitterentropy.mk
>> <http://jitterentropy.mk>*
>> Its contents:
>>
>> INC_DIR += $(REP_DIR)/src/lib/jitterentropy/spec/riscv
>>
>> include $(REP_DIR)/lib/mk/jitterentropy.inc
>>
>> CC_CXX_WARN_STRICT =
>>
>>
>> And I updated the jitterentropy jitterentropy import file at
>> *repos/libports/lib/import/import-jitterentropy.mk
>> <http://import-jitterentropy.mk>
>> *
>> Its contents are:
>>
>> ifeq ($(filter-out $(SPECS),x86_32),)
>> TARGET_CPUARCH=x86_32
>> else ifeq ($(filter-out $(SPECS),x86_64),)
>> TARGET_CPUARCH=x86_64
>> else ifeq ($(filter-out $(SPECS),arm_v6),)
>> TARGET_CPUARCH=arm_v6
>> else ifeq ($(filter-out $(SPECS),arm_v7),)
>> TARGET_CPUARCH=arm_v7
>> else ifeq ($(filter-out $(SPECS),arm_v8),)
>> TARGET_CPUARCH=arm_v8
>> else ifeq ($(filter-out $(SPECS),riscv),)
>> TARGET_CPUARCH=riscv
>> endif
>>
>> JITTERENTROPY_DIR := $(call select_from_ports,jitterentropy)
>>
>> ifeq ($(CONTRIB_DIR),)
>> REP_INC_DIR += include/jitterentropy
>> else
>> INC_DIR += $(JITTERENTROPY_DIR)/include/jitterentropy
>> endif
>>
>> INC_DIR += $(call select_from_repositories,src/lib/jitterentropy)these
>> INC_DIR += $(call
>> select_from_repositories,src/lib/jitterentropy/spec/$(TARGET_CPUARCH))
>>
>> CC_OPT += -DJITTERENTROPY_GENODE
>>
>>
>> After running
>>> /make run/sculpt KERNEL=hw BOARD=virt_qemu_riscv/
>> I am getting such error:
>>
>> checking library dependencies...
>> Library ldso_so_support
>> COMPILE so_support.o
>> MERGE ldso_so_support.lib.a
>> Library ld
>> CONVERT ld.symbols.s
>> ASSEMBLE ld.symbols.o
>> MERGE ld.abi.so <http://ld.abi.so>
>> Library base
>> MERGE base.lib.a
>> Library block_session
>> MERGE block_session.lib.a
>> Library config
>> MERGE config.lib.a
>> Library jitterentropy
>> MERGE jitterentropy.lib.a
>> Library os
>> MERGE os.lib.a
>> Program app/gpt_write/gpt_write
>> COMPILE main.o
>> COMPILE util.o
>> LINK gpt_write
>> /usr/local/genode/tool/21.05/bin/../lib/gcc/riscv64-unknown-elf/10.3.0/../../../../riscv64-unknown-elf/bin/ld:
>> util.o: in function `Util::init_random(Genode::Allocator&)':
>> /home/pranab/MTP/r5/genode/depot/genodelabs/src/gpt_write/2023-02-22-c/src/app/gpt_write/util.cc:39:
>> *undefined reference* to `jitterentropy_init(Genode::Allocator&)'
>> /usr/local/genode/tool/21.05/bin/../lib/gcc/riscv64-unknown-elf/10.3.0/../../../../riscv64-unknown-elf/bin/ld:
>> /home/pranab/MTP/r5/genode/depot/genodelabs/src/gpt_write/2023-02-22-c/src/app/gpt_write/util.cc:41:
>> *undefined reference* to `jent_entropy_init'
>> /usr/local/genode/tool/21.05/bin/../lib/gcc/riscv64-unknown-elf/10.3.0/../../../../riscv64-unknown-elf/bin/ld:
>> /home/pranab/MTP/r5/genode/depot/genodelabs/src/gpt_write/2023-02-22-c/src/app/gpt_write/util.cc:48:
>> *undefined reference* to `jent_entropy_collector_alloc'
>> /usr/local/genode/tool/21.05/bin/../lib/gcc/riscv64-unknown-elf/10.3.0/../../../../riscv64-unknown-elf/bin/ld:
>> util.o: in function `void Genode::Log::output<char const (&)
>> [52]>(Genode::Log::Type, char const (&) [52])':
>> /home/pranab/MTP/r5/genode/depot/genodelabs/api/base/2022-11-28/include/base/log.h:70:
>> *undefined reference* to `jent_read_entropy'
>> collect2: error: ld returned 1 exit status
>> make[7]: *** [/home/pranab/MTP/r5/genode/repos/base/mk/prg.mk:218
>> <http://prg.mk:218>: gpt_write] Error 1
>> make[6]: *** [var/libdeps:151: gpt_write.prg] Error 2
>> make[5]: *** [Makefile:336: gen_deps_and_build_targets] Error 2
>> make[4]: ***
>> [/home/pranab/MTP/r5/genode/tool/depot/mk/build_bin_archive:208:
>> /home/pranab/MTP/r5/genode/depot/genodelabs/bin/riscv/gpt_write/2023-02-22-c.build/bin]
>> Error 1
>> make[3]: *** [/home/pranab/MTP/r5/genode/depot/var/build.mk:264
>> <http://build.mk:264>: genodelabs/bin/riscv/gpt_write/2023-02-22-c]
>> Error 2
>> make[2]: *** [/home/pranab/MTP/r5/genode/tool/depot/build:136:
>> execute_generated_build_mk_file] Error 2
>> make[1]: *** [/home/pranab/MTP/r5/genode/tool/depot/create:59:
>> build] Error 2
>> make[1]: Leaving directory '/home/pranab/MTP/r5/genode/build/riscv'
>>
>>
>> I am not able to fix this. Please help me understand the issues.
>>
>> Thanks & Regards,
>> Pranab
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