From d6549ff8f141c1eed140f9434b612fb82c7b5dfe Mon Sep 17 00:00:00 2001 From: Florent Kermarrec Date: Sat, 16 May 2020 10:02:31 +0200 Subject: [PATCH] bios: add uptime command and rewrite cmd_bios comments. --- litex/soc/software/bios/commands/cmd_bios.c | 28 ++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-) diff --git a/litex/soc/software/bios/commands/cmd_bios.c b/litex/soc/software/bios/commands/cmd_bios.c index e55469ce..961e786f 100644 --- a/litex/soc/software/bios/commands/cmd_bios.c +++ b/litex/soc/software/bios/commands/cmd_bios.c @@ -42,7 +42,7 @@ define_command(help, help_handler, "Print this help", MISC_CMDS); /** * Command "ident" * - * Print SoC identyifier if available + * Identifier of the system * */ static void ident_helper(int nb_params, char **params) @@ -53,7 +53,7 @@ static void ident_helper(int nb_params, char **params) printf("Ident: %s", *buffer ? buffer : "-"); } -define_command(ident, ident_helper, "Display identifier", SYSTEM_CMDS); +define_command(ident, ident_helper, "Identifier of the system", SYSTEM_CMDS); /** * Command "reboot" @@ -67,7 +67,29 @@ static void reboot(int nb_params, char **params) ctrl_reset_write(1); } -define_command(reboot, reboot, "Reset processor", SYSTEM_CMDS); +define_command(reboot, reboot, "Reboot the system", SYSTEM_CMDS); +#endif + +/** + * Command "uptime" + * + * Uptime of the system + * + */ +#ifdef CSR_CTRL_UPTIME_ADDR +static void uptime(int nb_params, char **params) +{ + unsigned long uptime; + + ctrl_uptime_latch_write(1); + uptime = ctrl_uptime_read(); + printf("Uptime: %ld sys_clk cycles / %ld seconds", + uptime, + uptime/CONFIG_CLOCK_FREQUENCY + ); +} + +define_command(uptime, uptime, "Uptime of the system since power-up", SYSTEM_CMDS); #endif /** -- 2.30.2