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[34.83.12.150]) by smtp.gmail.com with ESMTPSA id q23sm747849pgj.61.2021.06.02.17.03.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jun 2021 17:03:48 -0700 (PDT) Date: Wed, 2 Jun 2021 17:03:45 -0700 From: Ricardo Koller To: Andrew Jones Subject: Re: [PATCH v3 3/5] KVM: arm64: selftests: get-reg-list: Provide config selection option Message-ID: References: <20210531103344.29325-1-drjones@redhat.com> <20210531103344.29325-4-drjones@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210531103344.29325-4-drjones@redhat.com> Cc: kvm@vger.kernel.org, maz@kernel.org, pbonzini@redhat.com, kvmarm@lists.cs.columbia.edu X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On Mon, May 31, 2021 at 12:33:42PM +0200, Andrew Jones wrote: > Add a new command line option that allows the user to select a specific > configuration, e.g. --config=sve will give the sve config. Also provide > help text and the --help/-h options. > > Signed-off-by: Andrew Jones Reviewed-by: Ricardo Koller > --- > .../selftests/kvm/aarch64/get-reg-list.c | 56 ++++++++++++++++++- > 1 file changed, 53 insertions(+), 3 deletions(-) > > diff --git a/tools/testing/selftests/kvm/aarch64/get-reg-list.c b/tools/testing/selftests/kvm/aarch64/get-reg-list.c > index 14fc8d82e30f..03e041d97a18 100644 > --- a/tools/testing/selftests/kvm/aarch64/get-reg-list.c > +++ b/tools/testing/selftests/kvm/aarch64/get-reg-list.c > @@ -539,6 +539,52 @@ static void run_test(struct vcpu_config *c) > kvm_vm_free(vm); > } > > +static void help(void) > +{ > + struct vcpu_config *c; > + int i; > + > + printf( > + "\n" > + "usage: get-reg-list [--config=] [--list] [--list-filtered] [--core-reg-fixup]\n\n" > + " --config= Used to select a specific vcpu configuration for the test/listing\n" > + " '' may be\n"); > + > + for (i = 0; i < vcpu_configs_n; ++i) { > + c = vcpu_configs[i]; > + printf( > + " '%s'\n", config_name(c)); > + } > + > + printf( > + "\n" > + " --list Print the register list rather than test it (requires --config)\n" > + " --list-filtered Print registers that would normally be filtered out (requires --config)\n" > + " --core-reg-fixup Needed when running on old kernels with broken core reg listings\n" > + "\n" > + ); > +} > + > +static struct vcpu_config *parse_config(const char *config) > +{ > + struct vcpu_config *c; > + int i; > + > + if (config[8] != '=') > + help(), exit(1); > + > + for (i = 0; i < vcpu_configs_n; ++i) { > + c = vcpu_configs[i]; > + if (strcmp(config_name(c), &config[9]) == 0) > + break; > + } > + > + if (i == vcpu_configs_n) > + help(), exit(1); > + > + return c; > +} > + > int main(int ac, char **av) > { > struct vcpu_config *c, *sel = NULL; > @@ -547,20 +593,24 @@ int main(int ac, char **av) > for (i = 1; i < ac; ++i) { > if (strcmp(av[i], "--core-reg-fixup") == 0) > fixup_core_regs = true; > + else if (strncmp(av[i], "--config", 8) == 0) > + sel = parse_config(av[i]); > else if (strcmp(av[i], "--list") == 0) > print_list = true; > else if (strcmp(av[i], "--list-filtered") == 0) > print_filtered = true; > + else if (strcmp(av[i], "--help") == 0 || strcmp(av[1], "-h") == 0) > + help(), exit(0); > else > - TEST_FAIL("Unknown option: %s\n", av[i]); > + help(), exit(1); > } > > if (print_list || print_filtered) { > /* > * We only want to print the register list of a single config. > - * TODO: Add command line support to pick which config. > */ > - sel = vcpu_configs[0]; > + if (!sel) > + help(), exit(1); > } > > for (i = 0; i < vcpu_configs_n; ++i) { > -- > 2.31.1 > _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm