Allow using of malloc() for reserving the Nanostack's heap. #4849
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bump for review?! I assume ppl might not be in the office these days :-) |
| @@ -34,6 +34,7 @@ An example of the configuration file: | |||
| | Parameter name | Value | Description | | |||
| | --------------- | ------------- | ----------- | | |||
| | heap-size | number [0-0xfffe] | Nanostack's internal heap size | | |||
| | use-malloc-for-heap | `false` or `true` | Use `malloc()` for reserving the internal heap. Defaul: `false` | | |||
Some devices have RAM memory split into two sections. This becames a problem for GCC based toolchains as they don't support splitting .bss or .data sections into two memory parts. When we run out of memory from .bss sections, allocating the stack by malloc() allows it to be moved to .data section which might already be in the second memory section. For example KW24D platform.
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Aug 10, 2017
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Sep 13, 2017
mbed OS 5.5.6 release We are pleased to announce the [mbed OS 5.5.6 release](https://github.com/ARMmbed/mbed-os/releases/tag/mbed-os-5.5.6) is now available. This release includes ... Known Issues The following list of known issues apply to this release: Contents Ports for Upcoming Targets [4608](ARMmbed#4608) Support Nuvoton's new target NUMAKER_PFM_M487 [4840](ARMmbed#4840) Add Support for TOSHIBA TMPM066 board Fixes and Changes [4801](ARMmbed#4801) STM32 CAN: Fix issue with speed function calculation [4808](ARMmbed#4808) Make HAL & US tickers idle safe [4812](ARMmbed#4812) Use DSPI SDK driver API's in SPI HAL driver [4832](ARMmbed#4832) NUC472/M453: Fix several startup and hal bugs [4842](ARMmbed#4842) Add call to DAC_Enable as this is no longer done as part [4849](ARMmbed#4849) Allow using of malloc() for reserving the Nanostack's heap. [4850](ARMmbed#4850) Add list of defines to vscode exporter [4863](ARMmbed#4863) Optimize memory usage of wifi scan for REALTEK_RTW8195AM [4869](ARMmbed#4869) HAL LPCs SPI: Fix mask bits for SPI clock rate [4873](ARMmbed#4873) Fix Cortex-A cache file [4878](ARMmbed#4878) STM32 : Separate internal ADC channels with new pinmap [4392](ARMmbed#4392) Enhance memap, and configure depth level [4895](ARMmbed#4895) Turn on doxygen for DEVICE_* features [4817](ARMmbed#4817) Move RTX error handlers into RTX handler file [4902](ARMmbed#4902) Using CMSIS/RTX Exclusive access macro [4923](ARMmbed#4923) fix export static_files to zip [4844](ARMmbed#4844) bd: Add ProfilingBlockDevice for measuring higher-level applications [4896](ARMmbed#4896) target BLUEPILL_F103C8 compile fix [4921](ARMmbed#4921) Update gcc-arm-embedded PPA in Travis [4926](ARMmbed#4926) STM32L053x8: Refactor NUCLEO_L053R8 and DISCO_L053C8 targets [4831](ARMmbed#4831) Remove excessive use of printf/scanf in mbed_fdopen/_open [4922](ARMmbed#4922) bug fix: xdot clock config [4935](ARMmbed#4935) STM32: fix F410RB vectors size [4940](ARMmbed#4940) Update mbed-coap to version 4.0.9 [4941](ARMmbed#4941) Update of MemoryPool.h header file. You can fetch this release from the [mbed-os GitHub](https://github.com/ARMmbed/mbed-os) repository, using the tag "mbed-os-5.5.6". Please feel free to ask any questions or provide feedback on this release [on the forum](https://forums.mbed.com/), or to contact us at [support@mbed.org](mailto:support@mbed.org).
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Description
Some devices have RAM memory split into two sections.
This becames a problem for GCC based toolchains as they don't
support splitting .bss or .data sections into two memory parts.
When we run out of memory from .bss sections, allocating the stack
by malloc() allows it to be moved to .data section which might already
be in the second memory section. For example KW24D platform.
Status
In Review
Migrations
For devices that run out of memory with mesh applications, add following line to
mbed_app.json