[U-Boot] [PATCH] cmd_mp: Add support for showing all CPU status by one command

* [U-Boot] [PATCH] cmd_mp: Add support for showing all CPU status by one command
@ 2015-06-22  9:17 Michal Simek
  2015-06-23 14:33 ` Tom Rini
  0 siblings, 1 reply; 2+ messages in thread
From: Michal Simek @ 2015-06-22  9:17 UTC (permalink / raw)
  To: u-boot

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

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