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2013-02-28sandbox: Improve sandbox serial port keyboard interfaceTaylor Hutt
Implements the tstc() interface for the serial driver. Multiplexing the console between the serial port and a keyboard uses a polling method of checking if characters are available; this means that the serial console must be non-blocking when attempting to read characters. Signed-off-by: Taylor Hutt <thutt@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org>
2013-02-28sandbox: fix compiler warningAllen Martin
Add back return statement to fix compiler warning about control flow reaching end of non void function that was introduced with: e05e5de arm: move C runtime setup code in crt0.S Signed-off-by: Allen Martin <amartin@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
2013-02-04sandbox: Use generic global_dataSimon Glass
Move sandbox over to use generic global_data. Signed-off-by: Simon Glass <sjg@chromium.org>
2013-02-04sandbox: Move ram_buf to arch_global_dataSimon Glass
Move this field into arch_global_data and tidy up. Signed-off-by: Simon Glass <sjg@chromium.org>
2013-02-01Add architecture-specific global dataSimon Glass
We plan to move architecture-specific data into a separate structure so that we can make the rest of it common. As a first step, create struct arch_global_data to hold these fields. Initially it is empty. This patch applies to all archs at once. I can split it if this is really a pain. Signed-off-by: Simon Glass <sjg@chromium.org>
2012-10-22common: Discard the __u_boot_cmd sectionMarek Vasut
The command declaration now uses the new LG-array method to generate list of commands. Thus the __u_boot_cmd section is now superseded and redundant and therefore can be removed. Also, remove externed symbols associated with this section from include/command.h . Signed-off-by: Marek Vasut <marex@denx.de> Cc: Joe Hershberger <joe.hershberger@gmail.com> Cc: Mike Frysinger <vapier@gentoo.org>
2012-10-22common: Add .u_boot_list into all linker filesMarek Vasut
Add section for the linker-generated lists into all possible linker files, so that everyone can easily use these lists. This is mostly a mechanical adjustment. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Joe Hershberger <joe.hershberger@gmail.com> Cc: Mike Frysinger <vapier@gentoo.org>
2012-10-19sandbox: Change global data baudrate to intSimon Glass
This doesn't need to be a long, so change it. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Rini <trini@ti.com>
2012-10-15serial: Remove CONFIG_SERIAL_MULTI from remaining sourcesMarek Vasut
Remove the parts depending either on disabled CONFIG_SERIAL_MULTI or ifdefs around CONFIG_SERIAL_MULTI parts since CONFIG_SERIAL_MULTI is now enabled by default. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Marek Vasut <marek.vasut@gmail.com> Cc: Tom Rini <trini@ti.com> Cc: Anatolij Gustschin <agust@denx.de> Cc: Stefan Roese <sr@denx.de>
2012-09-29sandbox: Add asm/errno.hSimon Glass
This file is required for all archs. Fixes a sandbox build break on ext4. Signed-off-by: Simon Glass <sjg@chromium.org>
2012-08-09global_data: unify global flag definesMike Frysinger
All the global flag defines are the same across all arches. So unify them in one place, and add a simple way for arches to extend for their needs. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-05-15net: punt bd->bi_ip_addrMike Frysinger
This field gets read in one place (by "bdinfo"), and we can replace that with getenv("ipaddr"). After all, the bi_ip_addr field is kept up-to-date implicitly with the value of the ipaddr env var. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
2012-04-23sandbox: Use the new run_command()Simon Glass
Now that run_command() handles both parsers, clean up sandbox to use it. This fixes a build error. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Mike Frysinger <vapier@gentoo.org>
2012-03-12sandbox: add getopt supportSimon Glass
This adds simple command-line parsing to sandbox. The idea is that it sets up the state with options provided, and this state can then be queried later, as needed. New flags are declared with the SB_CMDLINE_OPT_SHORT helper macro, pointers are automatically gathered up in a special section, and then the core code takes care of gathering them up and processing at runtime. This way there is no central place where we have to store a list of flags with ifdefs. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-03-12sandbox: allow processing before main loopSimon Glass
In order to pass command line arguments to sandbox we need to be able to act on them. So take control back at the end of board_init_r() from where we can call the main loop or do something else. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-03-12sandbox: add concept of sandbox stateSimon Glass
The state exists through the life of U-Boot. It can be adjusted by command line options and perhaps later through a config file. It is available to U-Boot through state_...() calls (within sandbox code). The primary purpose of this is to contain the "hardware" state. It should only be used by sandbox internal code. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-03-12sandbox: disable fortificationMike Frysinger
Since we provide all our own library calls, the fortification from glibc just gets in our way (which some distros enable by default). Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-03-12sandbox: u-boot.lds: tweak styleMike Frysinger
We use tabs for indentation, not spaces. Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-03-12sandbox: gpio: add basic driver for simulating GPIOsSimon Glass
This provides a way of simulating GPIOs by setting values which are seen by the normal gpio_get/set_value() calls. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-03-12sandbox: add flags for open() callSimon Glass
This provides a way for callers to create files for writing. The flags are translated at runtime, for the ones we support. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-03-12sandbox: fdt: add support for CONFIG_OF_CONTROLSimon Glass
This adds support for a controlling fdt, mirroring the ARM implementation. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-03-12sandbox: add lseek helperMike Frysinger
Follow up patches want to be able to seek fd's. Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-03-12sandbox: add required header to os.cSimon Glass
We should include the sys/time.h header to avoid warnings. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-03-12sandbox: sort header files in os.cSimon Glass
Tidy this up as the list is long and likely to get longer. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-12-10sandbox: fix compiling of cpu/os.cAndreas Bießmann
U-boot itself generally builds with -nostdinc. This is because the bootloader needs to be completely standalone. In the sandbox arch though, we need a little bit of code to glue the u-boot world to the host operating system, and we need to be able to access the host libc's headers in order to do so. Currently, we're using -I/usr/include to workaround the global -nostdinc, but that doesn't work for everyone and for all headers. Instead, let's filter out -nostdinc when building the os.c code. Without this patch, some distros hit errors such as: ---8<--- In file included from /usr/include/fcntl.h:27:0, from os.c:22: /usr/include/features.h:323:26: fatal error: bits/predefs.h: No such file or directory --->8--- Signed-off-by: Andreas Bießmann <biessmann@corscience.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-12-10sandbox: Add timer simulationMatthias Weisser
Making sleep command work Signed-off-by: Matthias Weisser <weisserm@arcor.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-12-10sandbox: Add improved RAM simulationMatthias Weisser
Using mmap to allocate memory from the OS for RAM simulation we can use u-boot own malloc implementation. Tested-by: Simon Glass <sjg@chromium.org> Signed-off-by: Matthias Weisser <weisserm@arcor.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-11-03sandbox: drop unused returnMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org> Acked-by: Simon Glass <sjg@chromium.org>
2011-11-03sandbox: put stdin into raw modeMike Frysinger
This allows us to act like a serial device: we get tab chars and CTRL+C and respond appropriately. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Tested-by: Simon Glass <sjg@chromium.org>
2011-11-03sandbox: Add asm/cache.h for sandboxAnton staaf
This file is required by the new DMA buffer alignment macro. Signed-off-by: Anton Staaf <robotboy@chromium.org> Cc: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org> Acked-by: Mike Frysinger <vapier@gentoo.org>
2011-10-27cosmetic: s/BOARD_LATE_INIT/CONFIG_BOARD_LATE_INITHelmut Raiger
This renames BOARD_LATE_INIT to CONFIG_BOARD_LATE_INIT. Along the way it removes some leftover #define BOARD_LATE_INIT 1 and adds some basic documentation for board specific callbacks in README. Signed-off-by: Helmut Raiger <helmut.raiger@hale.at> Acked-by: Stefano Babic <sbabic@denx.de>
2011-10-17sandbox: Add main programSimon Glass
Add a main program so that we can run U-Boot. Signed-off-by: Simon Glass <sjg@chromium.org>
2011-10-17sandbox: Add OS dependent layerSimon Glass
We want to keep all OS-dependent code in once place, with a simple interface to U-Boot. For now, this is that place. Signed-off-by: Simon Glass <sjg@chromium.org>
2011-10-17sandbox: Add architecture lib filesSimon Glass
These files are taken from the ARM board implementation and then reduced to remove unneeded cruft. Ideally we would work towards unifying arch/xxx/lib files, particularly board.c. Signed-off-by: Simon Glass <sjg@chromium.org>
2011-10-17sandbox: Add cpu filesSimon Glass
This is an initial implementation with all functions defined but not working. The lds file is very simple since we can mostly rely on the linker defaults. Signed-off-by: Simon Glass <sjg@chromium.org>
2011-10-17sandbox: Add architecture image supportSimon Glass
We won't actually load an image with this architecture, but we still need to define it. Signed-off-by: Simon Glass <sjg@chromium.org>
2011-10-17sandbox: Add architecture header filesSimon Glass
This adds required header files for the sandbox architecture, and a basic description of what sandbox is (README.sandbox). Signed-off-by: Simon Glass <sjg@chromium.org>
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