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These tools were merged in from the ccdbg package.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Keeping these separate isn't making things any easier.
Signed-off-by: Keith Packard <keithp@keithp.com>
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The 'set' command modifies target memory and registers
Signed-off-by: Keith Packard <keithp@keithp.com>
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Because the debug port uses instructions for most operations, the debug code
will clobber registers used by the running program. Save and restore these
to avoid corrupting application data.
If the ROM file is known, use that to return data instead of fetching it
from the target to improve performance.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Not all SFRs are visible in the unified address space, so the SFR-specific
accessors are required.
The dump command is the same as the various 'd*'
commands, but also supports dumping program memory.
The new -m (monitor) flag watches the command stream between s51 and sdcdb.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Use the start of the ihx file when asked to run from 0x0, this lets
sdcdb run programs from ram.
The reset command clears all hw breakpoints, so reset them afterwards.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Signed-off-by: Keith Packard <keithp@keithp.com>
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Signed-off-by: Keith Packard <keithp@keithp.com>
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sdcdb provides source-level debugging using the 8051 emulator, s51. By
emulating that emulator a the UI level, we should be able to get source
debugging right on our target platform.
This is just the preliminary structure for the program with most commands
not yet implemented.
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