From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Jones Date: Wed, 13 Mar 2024 21:06:03 +0100 Subject: [PATCH 4/6] riscv: Implement test for architecture ID register In-Reply-To: <20240313145336.311611-5-cem@kernel.org> References: <20240313145336.311611-1-cem@kernel.org> <20240313145336.311611-5-cem@kernel.org> Message-ID: <20240313-86cc8c945de67d8cfa0ee6cf@orel> List-Id: To: kvm-riscv@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Wed, Mar 13, 2024 at 03:53:27PM +0100, cem at kernel.org wrote: > From: Carlos Maiolino > > Probe the MARCHID register and compare it to the specified MARCHID > environment variable. > > Signed-off-by: Carlos Maiolino > --- > V3: > - Adapt to use __base_sbi_ecall (which also fixes the wrong paramenters) > V2: > - Wrap commit message around 70 chars > - Remove unneeded blank lines > > riscv/sbi.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/riscv/sbi.c b/riscv/sbi.c > index ce0be84f..56b27765 100644 > --- a/riscv/sbi.c > +++ b/riscv/sbi.c > @@ -57,6 +57,14 @@ static void check_base(void) > gen_report(&ret, expected); > report_prefix_pop(); > > + report_prefix_push("marchid"); > + if (env_or_skip("MARCHID")) { > + expected = strtol(getenv("MARCHID"), NULL, 0); > + ret = __base_sbi_ecall(SBI_EXT_BASE_GET_MARCHID, 0); > + gen_report(&ret, expected); > + } > + report_prefix_pop(); > + > report_prefix_pop(); > } > > -- > 2.44.0 > Reviewed-by: Andrew Jones