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// Debugging commands.
//
// Copyright (C) 2016-2019 Kevin O'Connor <kevin@koconnor.net>
//
// This file may be distributed under the terms of the GNU GPLv3 license.
#include "board/io.h" // readl
#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_read(uint32_t *args)
{
uint8_t order = args[0];
void *ptr = (void*)(size_t)args[1];
uint32_t v;
irqstatus_t flag = irq_save();
switch (order) {
default: case 0: v = readb(ptr); break;
case 1: v = readw(ptr); break;
case 2: v = readl(ptr); break;
}
irq_restore(flag);
sendf("debug_result val=%u", v);
}
DECL_COMMAND_FLAGS(command_debug_read, HF_IN_SHUTDOWN,
"debug_read order=%c addr=%u");
void
command_debug_write(uint32_t *args)
{
uint8_t order = args[0];
void *ptr = (void*)(size_t)args[1];
uint32_t v = args[2];
irqstatus_t flag = irq_save();
switch (order) {
default: case 0: writeb(ptr, v); break;
case 1: writew(ptr, v); break;
case 2: writel(ptr, v); break;
}
irq_restore(flag);
}
DECL_COMMAND_FLAGS(command_debug_write, HF_IN_SHUTDOWN,
"debug_write order=%c 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");
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