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