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cmd_mp: Add support for showing all CPU status by one command

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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>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Michal Simek
2015-06-22 10:46:40 +02:00
parent 80fd9792f5
commit 711e5e26b4
1 changed files with 22 additions and 0 deletions
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22
common/cmd_mp.c
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@@ -7,11 +7,32 @@
#include <common.h> #include <common.h>
#include <command.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 static int
cpu_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) cpu_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{ {
unsigned long cpuid; unsigned long cpuid;
if (argc == 2 && strncmp(argv[1], "status", 6) == 0)
return cpu_status_all();
if (argc < 3) if (argc < 3)
return CMD_RET_USAGE; 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 #ifdef CONFIG_SYS_LONGHELP
static char cpu_help_text[] = static char cpu_help_text[] =
"<num> reset - Reset cpu <num>\n" "<num> reset - Reset cpu <num>\n"
"cpu status - Status of all cpus\n"
"cpu <num> status - Status of cpu <num>\n" "cpu <num> status - Status of cpu <num>\n"
"cpu <num> disable - Disable cpu <num>\n" "cpu <num> disable - Disable cpu <num>\n"
"cpu <num> release <addr> [args] - Release cpu <num> at <addr> with [args]" "cpu <num> release <addr> [args] - Release cpu <num> at <addr> with [args]"