On xtensa architecture, the call to __assert_func uses a reference to __func__ that can
sometimes be placed in flash. Since the __asert_func can be called from functions in IRAM
the check_callgraph script can report an error when checking for invalid calls from IRAM
to flash sections. However, the __asert_func prevents this scenario at runtime so the
check_callgraph script reports a 'flas positive' situation. For this reasson, all references
to __func__$x found prior to a call to __assert_func are droped in the parsing of the rtl files.
this commits:
- adds build-time test to check that no call to flash regions are done from IRAM functions
- resolves problems related to IRAM function using content in flash memory
- update heap_caps_alloc_failed to use a default function name in DRAM
when necessary instead of creating a function name variable in DRAM for
each call of heap_caps_alloc_failed. This allows to save some extra bytes
in RAM.
This commits adds a internal.md file in the heap directory to clarify the idea behind
which functions is placed in IRAM or in flash.
A section in mem_alloc.rst documentation is added to specify which functions from the
heap component API can be used in interrupt handlers.
This commit aims to place in the IRAM section only the functions that
are relevent for performance instead of placing the entire content of
multi_heap.c, mullti_heap_poisoning.c and tlsf.c in the IRAM.
The calculation of fl index max is changed to always be the smallest
number that includes the size of the registered memory.
The control_construct() function now checks for minimum size as the control structure
parameters are calculated.
There is no longer a minimum configuration for fl index max so the tlsf_config
enum is striped down to remove unecessary compile time values.
the tlsf_size() function will fail if no tlsf pointer is passed as parameter since there
is no way to calculate a default tlsf size anymore.
bitfields are now used in control_t when possible which reduces the size of the structure
from 56 bytes to 36 bytes.
Software support for PMS module.
Allows controlled memory access to IRAM (R/W/X) and DRAM0 (R/W)
On/locked by default, configurable in Kconfig (esp_system)
Closes https://jira.espressif.com:8443/browse/IDF-2092
* Target components pull in xtensa component directly
* Use CPU HAL where applicable
* Remove unnecessary xtensa headers
* Compilation changes necessary to support non-xtensa gcc types (ie int32_t/uint32_t is no
longer signed/unsigned int).
Changes come from internal branch commit a6723fc
heap: ported tlsf allocator into multi heap
heap_host_tests: added tlsf allocator into host test
heap_host_test: update freebytes after using free
heap_tests: tlsf now passing on host tests without poisoning
multi_heap: added support for memalign using tlsf implementation
heap_caps: removed heap_caps_aligned_free
heap/test: fixed broken aligned alloc test build
heap: added poisoning pattern when blocks are being merged
heap/tests: added timing tests for memory allocation
heap: reduced tlsf structure overhead
heap/tlsf: made all short functions inside of tlsf module as inline to improve timings
heap: moved tlsf heap routines outside of flash memory
newlib: linked multiheap memalign with newlib memalign function
heap: moved block member functions to a separate file so multi_heap can use the functions
heap/test: improved the tlsf timing test
heap/test: added memalign on aligned alloc tests
heap: moved tlsf configuration constants to a separated file
heap: added random allocations test with timings
heap: modified the calculation of heap free bytes
heap: make aligned free true deprecated functions and update their documentation
heap: add extra assert after successive mallocs on small allocation host test
heap: remove legacy aligned alloc implementation.
performance: added malloc and free time performance default values
* changing dependencies from unity->cmock
* added component.mk and Makefile.projbuild
* ignore test dir in gen_esp_err_to_name.py
* added some brief introduction of CMock in IDF
