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dma/pl330: Add event debugging printfs 

These are helpful to anyone trying to debug event sequencing.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: e82a0ad804db3de4f46839e55a9d287735ef870d.1393372019.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Crosthwaite 2014-02-26 17:20:08 +00:00 committed by Peter Maydell
parent 1c8be73d4e
commit 432a0a130e
1 changed files with 2 additions and 0 deletions
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2
hw/dma/pl330.c
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@ -873,6 +873,7 @@ static void pl330_dmasev(PL330Chan *ch, uint8_t opcode, uint8_t *args, int len)
DB_PRINT("event interrupt raised %" PRId8 "\n", ev_id);
qemu_irq_raise(ch->parent->irq[ev_id]);
}
DB_PRINT("event raised %" PRId8 "\n", ev_id);
ch->parent->ev_status |= (1 << ev_id);
}
@ -975,6 +976,7 @@ static void pl330_dmawfe(PL330Chan *ch, uint8_t opcode,
}
}
ch->parent->ev_status &= ~(1 << ev_id);
DB_PRINT("event lowered %" PRIx8 "\n", ev_id);
} else {
ch->stall = 1;
}