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This patch is a part of the BSP source reorganization.
Update #3285.
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Move the gdb stub from the i386 UART code to use the libchip drivers.
Use any ports discovered during the probes.
Add gdb control to the boot command line.
Change the device naming to the full device path, not a partial path.
For example /dev/com1.
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Script does what is expected and tries to do it as
smartly as possible.
+ remove occurrences of two blank comment lines
next to each other after Id string line removed.
+ remove entire comment blocks which only exited to
contain CVS Ids
+ If the processing left a blank line at the top of
a file, it was removed.
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* shared/comm/gdb_glue.c, shared/comm/i386-stub.c,
shared/comm/i386_io.h, shared/comm/uart.c, shared/irq/idt.c,
shared/pci/pcibios.c:
Use "__asm__" instead of "asm" for improved c99-compliance.
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* shared/comm/i386-stub.c, shared/irq/irq_init.c: Fix warnings for
prototypes, types, etc.
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* comm/i386-stub.c: Make get_char() static since it is such a common
name and conflicts with names in the standard Ada run-time.
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* comm/i386-stub.c: Fixed places where debug_error() was not called
with enough arguments.
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* comm/i386-stub.c: Removed warnings.
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The RTEMS i386 stub in
c/src/lib/libbsp/i386/shared/comm/i386-stub.c
doesn't take advantage of some of the newer gdb remote features which
permits shorter and fewer packets.
Here is a patch which uses the 'T' response to report the registers
which gdb generally needs, and implements the 'P' request to set only
a single register. The general effect is to avoid sending all the
register contents back and forth between gdb and the stub every time
the stub stops. This also implements the 'D' request which handles
the gdb detach command, so you can cleanly quit out of the debugger
and leave the target board running.
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moves pieces of the pc386 bsp up to a shared level for all i386 BSPs
and modifies the i386ex BSP to use those shared pieces. Serial remote
debugging is included for both targets. Erik's notes:
There are several workarounds in it:
1) #define NEXT_GAS is hardcoded in pc386/start/start.s
2) #define NEXT_GAS is hardcoded in i386ex/start/start.s
3) #define NEW_GAS is hardcoded in pc386/start16.s
4) #undef __assert and redeclare _assert hardcoded in console.c for
both pc386 and i386ex due to my egcs1.1b ~ newlib problem. Should have
modified t-rtems.cfg ( no time )
I've tested pc386 with both video and serial consoles and GDB remote.
All work fine, except that GDB acts weird. ( re: other posting)
I hope this will work for you. It took quite some time to locate the
autoconf error. The remainder was just grunt work.
Unfortunately, I think I've unwound the removal of the IBMPCInitVideo
stuff. Sorry. I REALLY can't spend more time... I've been at this
conversion to 4.0 locally and updating the release since Sept. 8th, and
have yet to compile my network driver.... This is as much as I can do
right now.
I look forward to the next patch to really test i368ex. I did make sure
that the sample tests worked for pc386.
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