From: Michal Simek <michal.simek@xilinx.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] cmd_mp: Add support for showing all CPU status by one command
Date: Mon, 22 Jun 2015 11:17:39 +0200 [thread overview]
Message-ID: <71e080cafed2d36cdc5760b8b1c9718651b46d51.1434964654.git.michal.simek@xilinx.com> (raw)
Use one command for showing overall CPU status than several without
knowing how many cpus is available in the system.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
common/cmd_mp.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/common/cmd_mp.c b/common/cmd_mp.c
index 328b338068b8..a80c6421575e 100644
--- a/common/cmd_mp.c
+++ b/common/cmd_mp.c
@@ -7,11 +7,32 @@
#include <common.h>
#include <command.h>
+static int cpu_status_all(void)
+{
+ unsigned long cpuid;
+
+ for (cpuid = 0; ; cpuid++) {
+ if (!is_core_valid(cpuid)) {
+ if (cpuid == 0) {
+ printf("Core num: %lu is not valid\n", cpuid);
+ return 1;
+ }
+ break;
+ }
+ cpu_status(cpuid);
+ }
+
+ return 0;
+}
+
static int
cpu_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
unsigned long cpuid;
+ if (argc == 2 && strncmp(argv[1], "status", 6) == 0)
+ return cpu_status_all();
+
if (argc < 3)
return CMD_RET_USAGE;
@@ -48,6 +69,7 @@ cpu_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
#ifdef CONFIG_SYS_LONGHELP
static char cpu_help_text[] =
"<num> reset - Reset cpu <num>\n"
+ "cpu status - Status of all cpus\n"
"cpu <num> status - Status of cpu <num>\n"
"cpu <num> disable - Disable cpu <num>\n"
"cpu <num> release <addr> [args] - Release cpu <num> at <addr> with [args]"
--
2.3.5
next reply other threads:[~2015-06-22 9:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-22 9:17 Michal Simek [this message]
2015-06-23 14:33 ` [U-Boot] [PATCH] cmd_mp: Add support for showing all CPU status by one command Tom Rini
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