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Define a target_addr_t type to support 32-bit and 64-bit addresses at
the same time. Also define matching TARGET_PRI*ADDR format macros as
well as a convenient TARGET_ADDR_FMT.
In targets that are 32-bit (avr32, nds32, arm7/9/11, fm4, xmc1000)
be least invasive by leaving the formatting unchanged apart from the
type;
for generic code adopt TARGET_ADDR_FMT as unified address format.
Don't silently change gdb formatting here, leave that to later.
Add COMMAND_PARSE_ADDRESS() macro to abstract the address type.
Implement it using its own parse_target_addr() function, in the hopes
of catching pointer type mismatches better.
Add '--disable-target64' configure option to revert to previous 32-bit
target address behavior.
Change-Id: I2e91d205862ceb14f94b3e72a7e99ee0373a85d5
Signed-off-by: Dongxue Zhang <elta.era@gmail.com>
Signed-off-by: David Ung <david.ung.42@gmail.com>
[AF: Default to enabling (Paul Fertser), rename macros, simplify]
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Matthias Welwarsky <matthias.welwarsky@sysgo.com>
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First, fix the timeval_ms() implementation to not have K&R but ANSI
argument semantics by adding a missing void.
timeval_ms() returns an int64_t, not uint64_t or long long. Consistently
use int64_t for variables and PRI*64 as format string.
While at it, change a few related variables to bool for clarity.
Note that timeval_ms() may return a negative error code, but not a
single caller checks for that.
Change-Id: I27cf83e75b3e9a8913f6c43e98a281bea77aac13
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-on: http://openocd.zylin.com/3499
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
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Also make GPL notices consistent according to:
https://www.gnu.org/licenses/gpl-howto.html
Change-Id: I84c9df40a774958a7ed91460c5d931cfab9f45ba
Signed-off-by: Marc Schink <openocd-dev@marcschink.de>
Reviewed-on: http://openocd.zylin.com/3488
Tested-by: jenkins
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
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The Cortex-A and Cortex-M keeps an arm_jtag struct around just to be
able to pass a pointer to it to one common JTAG function which anyway
only uses the TAP field.
Refactor the function to take a TAP directly, remove the legacy struct
from cortex instances and store the TAP pointer only in the DAP.
Cortex-M makes a call to arm_jtag_setup_connection() with the struct
but the function does nothing useful for a Cortex-M target so remove
the call.
Change-Id: I3b33709ef55372ef14522ed4337e9f2e817ae3ab
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-on: http://openocd.zylin.com/3142
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
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The only remaining user is arm7_9 so remove it from the target API and add
it to struct arm7_9_common to support all its variants with minimal
changes. Many of the variants are likely not correct in the cache/mmu
handling when the bulk write is triggered. This patch does nothing to
change that, except for arm946e, where it was easier to do what might be
the right thing.
Change-Id: Ie73ac07507ff0936fefdb90760046cc8810ed182
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-on: http://openocd.zylin.com/1220
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
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Change-Id: I429f7fd51f77b0e7c86d7a7f110ca31afd76c173
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/1426
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
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Change-Id: Ia055b6d2b5f6449a38afd0539a8c66e7d7e0c059
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/430
Tested-by: jenkins
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Nothing more than a name change, just to make reading
the code a bit simpler.
Change-Id: I73a16b7302b48ce07d9688162955aae71d11eb45
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/390
Tested-by: jenkins
Reviewed-by: Øyvind Harboe <oyvindharboe@gmail.com>
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we should have caught them all - hopefully.
Change-Id: I35435317fccaf5ad0216244d69f76db6857bb582
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/381
Tested-by: jenkins
Reviewed-by: Øyvind Harboe <oyvindharboe@gmail.com>
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Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Parameters "domain" and "ap" of function armv4_5_mmu_translate_va()
are not used.
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
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Parameter "type" of function armv4_5_mmu_translate_va()
is now not used.
Remove the parameter and the "enum" listing its values.
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
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Function armv4_5_mmu_translate_va() now properly signals
errors in the return value.
Remove former error handling by setting variable "type" to
value "-1".
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
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The return value for MMU translation was a mess, either
error or value.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Voila! This get rids of mysteries about what what
state the TAP is in.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Less global variables....
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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jtag_get/set_end_state() is now deprecated.
There were lots of places in the code where the end state was
unintentionally modified.
The big Q is whether there were any places where the intention
was to modify the end state. 0.5 is a long way off, so we'll
get a fair amount of testing.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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jtag_add_dr/ir_scan() now takes the tap as the first
argument, rather than for each of the fields passed
in.
The code never exercised the path where there was
more than one tap being scanned, who knows if it even
worked.
This simplifies the implementation and reduces clutter
in the calling code.
use jtag_add_ir/dr_plain_scan() for more fancy situations.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Keep a handle to the PC in "struct arm", and use it.
This register is used a fair amount, so this is a net
minor code shrink (other than some line length fixes),
but mostly it's to make things more readable.
For XScale, fix a dodgy sequence while stepping. It
was initializing a variable to a non-NULL value, then
updating it to handle the step-over-active-breakpoint
case, and then later testing for non-NULL to see if
it should reverse that step-over-active logic. It
should have done like ARM7/ARM9 does: init to NULL.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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This is a copy and paste of arm926ejs. Not tested, but
ready for testing at least. There is a good chance that
it will work if the generic armv4_5 fn's are robust enough...
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Deprecate the "pass an instruction opcode" flavor of cp15 access
in favor of the "arm mcr ..." and "arm mrc ..." commands, which
offer fewer ways to break things.
Use the same EBNF syntax in the code as for the user's guide.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Have various ARM cores delegate to arm_arch_state() to display
basic information, instead of duplicating that logic.
This shrinks the code, makes them all report when semihosting
is active, and highlights which data are specific to this core.
(Like ARM720 not having separate instruction and data caches.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Rename some (mostly) generic ARM functions:
armv4_5_arch_state() --> arm_arch_state()
armv4_5_get_gdb_reg_list() --> arm_get_gdb_reg_list()
armv4_5_init_arch_info() --> arm_init_arch_info()
Cores using the microcontroller profile may want a different
arch_state() routine though.
(Also fix strange indentation in arm_arch_state: use tabs only!
And update a call to it, removing assignment-in-conditional.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Move the ARM opcode macros from <target/armv4_5.h>, and a few
Thumb2 ones from <target/armv7m.h>, to more appropriate homes
in a new <target/arm_opcodes.h> file.
Removed duplicate opcodes from that v7m/Thumb2 set. Protected
a few macro argument references by adding missing parentheses.
Tightening up some of the line lengths turned up a curious artifact:
the macros for the Thumb opcodes are all 32 bits wide, not 16 bits.
There's currently no explanation for why it's done that way...
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Get rid of mrc_opcode() in favor of ARMV4_5_MRC() or, where
arm*20t should have used it, ARMV4_5_MCR() instead.
Basically, *writing* coprocessor registers shouldn't have
used the *read* opcode ... and both should stick to standard
opcode constructors, not rearranging parameter sequence any
more than already needed.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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And make arm_state_strings[] be const.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "time_support.h"
the following form should be used.
#include <helper/time_support.h>
The exception is from .c files in the same directory.
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Switch "mrc" and "mcr" commands to be toplevel ARM operations,
as they should initially have been.
Correct the usage message for both commands: it matches ARM
documentation (as one wants!) instead of reordering them to
match the funky mrc() and mcr() method usage (sigh).
For Cortex-A8: restore a line that got accidentally dropped,
so the secure monitor mode shadow registers will show again.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Uses chaining of command_registration structures to eliminate all
target_type register_callback routines. Exports the command_handler
registration arrays for those target types that are used by others.
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Replaces direct calls to register_command() with a macro, to allow
its parameters to be changed and callers updated in phases.
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Finish migrating from the old symbol to the new one.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Have arm_set_cpsr() handle the two core state flags, updating
the CPU state. This eliminates code in various debug_entry()
paths, and marginally improves handling of the J bit.
Catch and comment a few holes in the handling of the J bit on
ARM926ejs cores ... it's unlikely our users will care about
Jazelle mode, but we can at least warn of Impending Doom. If
anyone does use it, these breadcrumbs may help them to find
the right path through the code.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Define arm_reg_current() ... returning handle to a given register,
and encapsulating the current mode's register shadowing. It's got
one current use, for reporting the current register set to GDB.
This will let later patches clean up much ARMV4_5_CORE_REG_MODE()
nastiness, saving a bit of code.
Define and use arm_set_cpsr() ... initially it updates the cached
CPSR and sets up state used by arm_reg_current(), plus any SPSR
handle. (Later: can also set up for T and J bits.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Stash a pointer to the CPSR in the "struct arm", to help get rid
of the (common) references to its index in the register cache.
This removes almost all references to CPSR offsets outside of the
toplevel ARM code ... except a pair related to the current ARM11
"simulator" logic (which should be removable soonish).
This is a net minor code shrink of a few hundred bytes of object
code, and also makes the code more readable.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Add and use arm_mode_name() to map from PSR bits to user
meaningful names. It uses a new table which, later, can
be used to hold other mode-coupled data.
Add definitions for the "Secure Monitor" mode, as seen on
some ARM11 cores (like ARM1176) and on Cortex-A8. The
previous mode name scheme didn't understand that mode.
Remove the old mechanism ... there were two copies, caused
by Cortex-A8 needing to add "Secure Monitor" mode support.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Convert all command handler 'cmd_ctx' parameter usage with CMD_CTX.
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This patch converts all instances of 'args' in COMMAND_HANDLER routines
to use CMD_ARGV macro.
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This patch converts all instances of 'argc' in COMMAND_HANDLER routines
to use CMD_ARGC.
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Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Same deal: "register.h" got needlessly included all over the
place because of being in a few widely included headers.
So take it out of the header files which included it, and put
it in files which use it ... reduce needless interdependencies.
Also, don't need that extra "types.h" inclusion.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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The arm7_9_checksum_memory() and arm7_9_blank_check_memory()
routines are not actually specific to the ARM7 and ARM9 core
generations ... they can work for any core which can run
algorithms using basic ARM (not Thumb) instructions.
Rename them; move the declarations to a more generic site;
likewise move the code (and tidy it a bit in the process).
NOTE: the blank_check() method falsely returned a success
status (0) on one error path, when the algorithm failed.
Fixed this bug.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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No point in having two identical examine methods for the
ARM7TDMI and ARM9TDMI drivers; move, rename, shrink, share.
Add a bit of doxygen; stop needlessly exporting a method.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Remove misleading typedef and redundant suffix from struct command.
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