| Commit message (Collapse) | Author | Age | Files | Lines |
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Create a generic register_cache_invalidate(), and use it to
replace three all-but-identical core-specific routines:
- armv4_5_invalidate_core_regs()
- armv7m_invalidate_core_regs
- mips32_invalidate_core_regs() too.
Make cache->num_regs be unsigned, avoiding various errors.
Net code shrink and simplification.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Fix to move the device address up as the contents are verified.
Signed-off-by: Zachary T Welch <zw@superlucidity.net>
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Updates the user documentation with the new syntax for defining
flash and nand banks.
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Add $_FLASHNAME variable to update 'nand device' command syntax.
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Requires users to name their nand banks, allowing them to be used
instead of bank numbers in script commands.
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Move bulk of for-loop to a new static command helper function.
Adds handle_nand_list_drivers command handler, registered as
'nand drivers'.
Improves command help text and error reporting.
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Sets $_FLASHNAME to "$_CHIPNAME.flash" and passes it as the
first argument to 'flash bank'.
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Requires users to name their flash banks, allowing them to be used
instead of bank numbers in script commands.
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Move variables to point of first use, reducing their scope.
Add driver_name temporary to help arguments be changed later.
Eliminates the useless 'found' variable, changing the code to terminate
the loop immediate and return its success.
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After adding support for referencing banks by name, renames
the COMMAND_HELPERs appropriately:
flash_command_get_bank_by_num -> flash_command_get_bank
nand_command_get_device_by_num -> flash_command_get_device
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Add get_flash_bank_by_name (and get_nand_device_by_name) helpers
to retrieves struct flash_bank * (struct nand_device *) given a
driver name and an (optional) driver-specific bank index.
These are used to extend flash_command_get_bank_by_num (and
nand_command_get_device_by_num) to allow all flash (nand) commands to
reference defined banks by name, not just by number.
To avoid some code duplication, add the flash/common.[ch] files to hold
functionality common to both types driver. The first two methods are
helpers for the above routines to find a bank specified by a "name" or
"name.index" string. get_flash_name_index() finds the '.index' portion,
while flash_driver_name_matches() performs the string portion matching.
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Just pre-allocate memory for the cached register value.
Shrinks heap overhead; increases locality-of-reference.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Combine register names with other per-register data into a
single template structure. This saves space, and makes it
easier to change how registers get handled (by shrinking
the number of places that care about cache indices).
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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The examine() method has some conceptual breakage. Cope
with it by manually splitting out the run-once parts from
the after-each-reset parts ... this gets rid of memory
leaks and speeds up resets after the first one.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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This changes the size parameter from argv[2] to argv[3], which is what it's
supposed to be.
Signed-off-by: Zachary T Welch <zw@superlucidity.net>
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We don't want an ARMv7-specific core state enumeration just to
add ThumbEE state. Update the generic stuff to handle that,
and replace the V7-specific bits with it.
For Cortex-A8: on debug entry, check both the T and J bits
instead of just the T bit. When the J bit is set, set the
right state and warn appropriately.
(And while we're at it, move the generic arm struct to the front
of the v7a structure, for somewhat better code generation.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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The only way ARMv7-A modes differ from ARMv4/ARMv5 flavors
is that v7-A is allowed to include "Secure monitor" support.
That's now handled by our standard top-level ARM code ... so
phase out the stuff that's specific to ARMv7-A.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Rewrite ZY1000 power command handler to use new macros, simplify logic.
Remove unused port command handler declaration.
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Removing the fast command eliminates the fast_and_dangerous global,
which was used only by arm7_9_common as an initializer. The command
is not called in the tree; instead, more explicit commands are used.
The jim_global_long function was not used anywhere in the tree.
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Adds the foo/bar commands to provide more working examples of command
argument parsing, including the new handle_command_parse_bool helper.
Updates hello command help text to provide useful information.
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This patch changes the behavior of all boolean parsing callers to
accept any one of "true/enable/on/yes/1" or "false/disable/off/no/0".
Since one particular pair will be most appropriate in any given
situation, the specific macros should continue to be used in
order to display the most informative error messages possible.
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Rewrite arm11_handle_bool to provide a generic on/off command helper.
Refactors COMMAND_PARSE_BOOL to use new command_parse_bool helper,
which gets reused by the new command_parse_bool_any helper.
This later helper is called by the new command helper function to
accepts any on/off, enable/disable, true/false, yes/no, or 0/1 parameter.
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Updates all command parsing of simple "enable" and "disable" arguments.
A few case in the tree use a tri-state or extended arguments, which
cannot use this simple macro.
Simlifies the xscale icache/dcache command handler logic.
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Updates all command parsing of "on" and "off" arguments.
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Adds several macros similar to COMMAND_PARSE_NUMBER, but for parsing
boolean command arguments. Two flavors are provided to provide
drop-in compatibility with existing code, allow for the elimination
of a lot of code bloat while improving the error checking and reporting.
COMMAND_PARSE_ON_OFF parses "on"/"off" command parameters.
COMMAND_PARSE_ENABLE parses "enable"/"disable" command parameters.
Both print the error and return an error out of the calling function.
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Change the layout to show the "Secure Monitor" registers too,
when they're present.
Instead of lining registers for each of six (or seven) modes up
in adjacent vertical columns, display each mode's registers (or
shadows) in a single block, avoiding duplicate value displays.
This also lets us shrink the line length to fits in standard 80
character lines ... six or seven 18-character columns can't fit.
Relabel "r13" as "sp", so it's more meaningful.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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When we read the CPSR on debug entry, update the CPSR cache in all
cases, not just when the current processor state is User or System.
Plus minor cleanup of how the (too-many) other registers' cache
entries get updated.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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If the core doesn't provide an optimized version of this
method, provide one without core-specific optimizations.
Use this to make Cortex-A8 support the "arm reg" command.
Related: make the two register access methods properly static,
have the "set" log a "not halted" error too, and make sure
that the "valid" flag is set on successful reads.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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ARMv7-A doesn't need to duplicate all the standard ARM code
for register handling.
- Switch Cortex-A8 to use the standard register code
- Remove duplicated infrastructure from ARMv7-A
- Have ARMv7-A arch_state() show CPSR, like other ARMs
Add comments to show where the Cortex-A8 isn't actually doing
the right thing for register reads/writes, unless core happens
to be in the right mode to start with. (Looks like maybe there
may be generic confusion between saved/current PSR values in all
the ARM code ...)
Make related ARMv7-A and Cortex-A8 symbols properly static.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Teach the "armv4_5" register code to understand about the
secure monitor mode:
- Add the other three shadowed registers to the arrays
- Support another internal mode number (sigh) in mappings
- Catch malloc/calloc failures building that register cache
This should kick in for Cortex-A8 and ARM1176.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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It's used to flag cores with the "TrustZone" extension,
and is used in subsequent patches to set up support for
the registers shadowed by its new secure monitor mode.
The ARM1176 and Cortex-A8 both support this new mode.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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The previous changes to move the startup TCL code resulted in segfaults
during startup. This seemingly innocuous patch fixes the problem.
I would explain why changing from 'foo[]' to '*foo' caused this issue,
but the difference seems superficial. For now, this hot fix will do,
but this issue might bear further scrutiny.
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Removes external linkage from helper module, making the startup
code a parameter to a new command context's initialization routine.
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Moves definitions for each layer into their own file, eliminating
layering violations in the built-in TCL code. Updates src/Makefile.am
rules to include all files in the final startup.tcl input file, and
others Makefile.am rules to distribute the new files in our packages.
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Moves the creation of startup_tcl.c from src/helper/ to src/.
Prepares to split the startup.tcl file into its per-module parts.
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The recent migration broke them, the fixes broken them in a new way,
but this should restore them to working order. Eliminates the
temporary variable, as the CMD_NAME macro can once again be use
in routines that increment CMD_ARGV without nasty side-effects.
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Also, this is on the path to increasing the word size for
bit vectors from 8 to something wider(32? natural host machine
width?)
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Add a new is_arm_mode() predicate, and use it to replace almost
all calls to current armv4_5_mode_to_number().
Eventually those internal mode numbers should vanish... along
with their siblings in the armv7a.c file.
Remove a handful of superfluous checks ... e.g. the mode number
was just initialized, or (debug entry methods) already validated.
Move one of the macros using internal mode numbers into the only
file which uses that macro. Make the tables manipulated with
those numbers be read-only and, where possible, static so they're
not confused with part of the generic ARM interface.
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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All ARM cores need to provide obsolete FPA registers in their
GDB register dumps. (Even though cores with floating point
support now generally use some version of VFP...)
Clean up that support a bit by sharing the same dummy registers,
and removing the duplicate copies. Eventually we shouldn't need
to export those dummies.
(This makes the ARMv7-M support include the armv4_5 header, and
cleans up related #includes, but doesn't yet use anything from
there except those dummies.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Add --disable-doxygen-html and --enable-doxygen-pdf options to the
configure script, allowing user to change the defaults. These
update the proess of munging the Doxygen configuration file to
use the settings thusly provided. Add options in README.
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A single PDF file for the developer manual allows accessing a single
index, browsing, and searching. It takes significantly more time to
build this way, but this patch allows others to look at the results.
Migration Tip: If you have previously built the HTML Doxygen
documentatation, rename your 'doxygen' directory to 'doxygen/html'
to prevent needlessly rebuilding those files.
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Improve the developer manual and primer sections which talk about
writing command handlers. Notably, it documents the new CMD_* macros.
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Update CMD_NAME from its migratory home in CMD_ARGV[-1] to cmd->name.
Allows CMD_ARGV++ idiom to be used safely in command handlers.
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Adds the command_invocation structure to encapsulate parameters for
all COMMAND_HANDLER routines. Rather than passing several arguments
to each successive subroutine, a single pointer may be passed around.
Changes the CMD_* macros to reference the new fields.
Updates run_command to create an instance and pass it to the handler.
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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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Add additional macros to allow command handling to be migrated easily:
CMD_CTX, CMD_ARGC, and CMD_ARGV. Updates CMD_NAME to use CMD_ARGV.
In addition to making the remaining patches of this series cleaner,
this introduces easily sed-able symbols that could allow us to retire
these once the command handler infrastructure matures (i.e. pre-1.0).
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