84 lines
2.0 KiB
Diff
84 lines
2.0 KiB
Diff
From 7a942ad69e1a4270dba89de9bff4f93cd6d87578 Mon Sep 17 00:00:00 2001
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From: Xianting Tian <xianting.tian@linux.alibaba.com>
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Date: Thu, 20 Oct 2022 09:50:13 +0800
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Subject: [PATCH 58/89] RISCV64: Add 'mach' command support
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With the patch we can get some basic machine state information,
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crash> mach
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MACHINE TYPE: riscv64
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MEMORY SIZE: 1 GB
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CPUS: 1
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PROCESSOR SPEED: (unknown)
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HZ: 250
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PAGE SIZE: 4096
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KERNEL STACK SIZE: 16384
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Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
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Signed-off-by: Lianbo Jiang <lijiang@redhat.com>
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---
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riscv64.c | 45 ++++++++++++++++++++++++++++++++++++++++++++-
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1 file changed, 44 insertions(+), 1 deletion(-)
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diff --git a/riscv64.c b/riscv64.c
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index 5e8c7d12227c..ff77e41b9407 100644
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--- a/riscv64.c
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+++ b/riscv64.c
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@@ -116,10 +116,53 @@ static void riscv64_get_struct_page_size(struct machine_specific *ms)
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}
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}
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+/*
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+ * "mach" command output.
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+ */
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+static void
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+riscv64_display_machine_stats(void)
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+{
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+ struct new_utsname *uts;
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+ char buf[BUFSIZE];
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+ ulong mhz;
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+
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+ uts = &kt->utsname;
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+
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+ fprintf(fp, " MACHINE TYPE: %s\n", uts->machine);
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+ fprintf(fp, " MEMORY SIZE: %s\n", get_memory_size(buf));
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+ fprintf(fp, " CPUS: %d\n", get_cpus_to_display());
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+ fprintf(fp, " PROCESSOR SPEED: ");
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+ if ((mhz = machdep->processor_speed()))
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+ fprintf(fp, "%ld Mhz\n", mhz);
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+ else
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+ fprintf(fp, "(unknown)\n");
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+ fprintf(fp, " HZ: %d\n", machdep->hz);
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+ fprintf(fp, " PAGE SIZE: %d\n", PAGESIZE());
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+ fprintf(fp, " KERNEL STACK SIZE: %ld\n", STACKSIZE());
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+}
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+
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static void
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riscv64_cmd_mach(void)
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{
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- /* TODO: */
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+ int c;
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+
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+ while ((c = getopt(argcnt, args, "cmo")) != EOF) {
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+ switch (c) {
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+ case 'c':
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+ case 'm':
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+ case 'o':
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+ option_not_supported(c);
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+ break;
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+ default:
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+ argerrs++;
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+ break;
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+ }
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+ }
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+
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+ if (argerrs)
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+ cmd_usage(pc->curcmd, SYNOPSIS);
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+
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+ riscv64_display_machine_stats();
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}
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static int
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--
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2.37.1
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