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Link against newlib from esp-open-sdk's libcirom, replace FreeRTOS heap management.

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Compiles and runs, expects xtensa lock.c patch in newlib (will still run
otherwise but malloc/free and other functions will be non-memory-safe...)
This commit is contained in:
Angus Gratton 2015-06-15 16:51:06 +10:00
parent 1b0124cf05
commit 49268a33e1
5 changed files with 89 additions and 453 deletions
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17
ld/eagle.app.v6.ld
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@ -3,6 +3,21 @@
Modified for esp open RTOS, this linker script is no longer the same as the esp_iot_rtos_sdk one.
*/
/* FreeRTOS memory management functions
We link these directly to newlib functions (have to do it at link
time as binary libraries use these symbols too.)
*/
pvPortMalloc = malloc;
vPortFree = free;
_lock_acquire = vPortEnterCritical;
_lock_acquire_recursive = vPortEnterCritical;
_lock_try_acquire = vPortEnterCritical;
_lock_try_acquire_recursive = vPortEnterCritical;
_lock_release = vPortExitCritical;
_lock_release_recursive = vPortExitCritical;
/* Linker Script for ld -N */
MEMORY
{
@ -156,7 +171,7 @@ SECTIONS
*(COMMON)
. = ALIGN (8);
_bss_end = ABSOLUTE(.);
_heap_start = ABSOLUTE(.); /* ESPTODO: Remove this symbol */
_heap_start = ABSOLUTE(.);
/* _stack_sentry = ALIGN(0x8); */
} >dram0_0_seg :dram0_0_bss_phdr
/* __stack = 0x3ffc8000; */