From mboxrd@z Thu Jan 1 00:00:00 1970 From: cem@kernel.org Date: Thu, 29 Feb 2024 13:42:09 +0100 Subject: [PATCH 3/6] riscv: Implement test for architecture ID register In-Reply-To: <20240229124246.309304-1-cem@kernel.org> References: <20240229124246.309304-1-cem@kernel.org> Message-ID: <20240229124246.309304-4-cem@kernel.org> List-Id: To: kvm-riscv@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit From: Carlos Maiolino Probe the MARCHID register and compare it to the specified MARCHID environment variable Signed-off-by: Carlos Maiolino --- riscv/sbi.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/riscv/sbi.c b/riscv/sbi.c index 636f907a..fa28d7c8 100644 --- a/riscv/sbi.c +++ b/riscv/sbi.c @@ -60,6 +60,17 @@ static void check_base(void) } report_prefix_pop(); + report_prefix_push("marchid"); + if (env_is_defined("MARCHID")) { + expected = strtol(getenv("MARCHID"), NULL, 0); + + ret = sbi_ecall(SBI_EXT_BASE, SBI_EXT_BASE_PROBE_EXT, + SBI_EXT_BASE_GET_MARCHID, 0, 0, 0, 0, 0); + + gen_report(&ret, expected); + } + report_prefix_pop(); + report_prefix_pop(); } -- 2.43.2