debugcmds: Move debugging commands from basecmd.c to new file

Move the implementation of debug commands to their own file.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 99 insertions, 0 deletions

diff --git a/src/debugcmds.c b/src/debugcmds.c
new file mode 100644
index 00000000..b154c129
--- /dev/null
+++ b/src/debugcmds.c
@@ -0,0 +1,99 @@
+// Debugging commands.
+//
+// Copyright (C) 2016,2017  Kevin O'Connor <kevin@koconnor.net>
+//
+// This file may be distributed under the terms of the GNU GPLv3 license.
+
+#include "board/irq.h" // irq_save
+#include "command.h" // DECL_COMMAND
+#include "sched.h" // sched_add_timer
+
+
+/****************************************************************
+ * Group commands
+ ****************************************************************/
+
+static struct timer group_timer;
+
+static uint_fast8_t
+group_end_event(struct timer *timer)
+{
+    shutdown("Missed scheduling of next event");
+}
+
+void
+command_start_group(uint32_t *args)
+{
+    sched_del_timer(&group_timer);
+    group_timer.func = group_end_event;
+    group_timer.waketime = args[0];
+    sched_add_timer(&group_timer);
+}
+DECL_COMMAND(command_start_group, "start_group clock=%u");
+
+void
+command_end_group(uint32_t *args)
+{
+    sched_del_timer(&group_timer);
+}
+DECL_COMMAND(command_end_group, "end_group");
+
+
+/****************************************************************
+ * Register debug commands
+ ****************************************************************/
+
+void
+command_debug_read8(uint32_t *args)
+{
+    uint8_t *ptr = (void*)(size_t)args[0];
+    uint16_t v = *ptr;
+    sendf("debug_result val=%hu", v);
+}
+DECL_COMMAND_FLAGS(command_debug_read8, HF_IN_SHUTDOWN, "debug_read8 addr=%u");
+
+void
+command_debug_read16(uint32_t *args)
+{
+    uint16_t *ptr = (void*)(size_t)args[0];
+    irqstatus_t flag = irq_save();
+    uint16_t v = *ptr;
+    irq_restore(flag);
+    sendf("debug_result val=%hu", v);
+}
+DECL_COMMAND_FLAGS(command_debug_read16, HF_IN_SHUTDOWN, "debug_read16 addr=%u");
+
+void
+command_debug_write8(uint32_t *args)
+{
+    uint8_t *ptr = (void*)(size_t)args[0];
+    *ptr = args[1];
+}
+DECL_COMMAND_FLAGS(command_debug_write8, HF_IN_SHUTDOWN,
+                   "debug_write8 addr=%u val=%u");
+
+void
+command_debug_write16(uint32_t *args)
+{
+    uint16_t *ptr = (void*)(size_t)args[0];
+    irqstatus_t flag = irq_save();
+    *ptr = args[1];
+    irq_restore(flag);
+}
+DECL_COMMAND_FLAGS(command_debug_write16, HF_IN_SHUTDOWN,
+                   "debug_write16 addr=%u val=%u");
+
+void
+command_debug_ping(uint32_t *args)
+{
+    uint8_t len = args[0];
+    char *data = (void*)(size_t)args[1];
+    sendf("pong data=%*s", len, data);
+}
+DECL_COMMAND_FLAGS(command_debug_ping, HF_IN_SHUTDOWN, "debug_ping data=%*s");
+
+void
+command_debug_nop(uint32_t *args)
+{
+}
+DECL_COMMAND_FLAGS(command_debug_nop, HF_IN_SHUTDOWN, "debug_nop data=%*s");