cmdline: add option to enable power button handling

Signed-off-by: Sandro Rüegge <[email protected]>

Author: sparchatus

common/cmdline.c

@@ -58,6 +58,9 @@ bool_cmd("qemu_console", opt_qemu_console);
 bool opt_poweroff = true;
 bool_cmd("poweroff", opt_poweroff);
 
+bool opt_power_button = true;
+bool_cmd("power_button", opt_power_button);
+
 static char opt_com1[20];
 string_cmd("com1", opt_com1);
 

common/setup.c

@@ -55,6 +55,7 @@
 #include <drivers/hpet.h>
 #include <drivers/pic.h>
 #include <drivers/pit.h>
+#include <drivers/power_button.h>
 #include <drivers/serial.h>
 #include <drivers/vga.h>
 
@@ -281,6 +282,9 @@ void __noreturn __text_init kernel_start(uint32_t multiboot_magic, unsigned long
         enable_fpu();
     }
 
+    if (opt_power_button)
+        init_power_button(bsp);
+
 #ifdef KTF_PMU
     printk("Initializing PFM library\n");
 

include/cmdline.h

@@ -67,6 +67,7 @@ extern bool opt_hpet;
 extern bool opt_fpu;
 extern bool opt_qemu_console;
 extern bool opt_poweroff;
+extern bool opt_power_button;
 extern bool opt_fb_scroll;
 extern unsigned long opt_reboot_timeout;
 extern bool opt_tlb_global;