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Fix small things noticed in MR, add documentation

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This commit is contained in:
Jeroen Domburg
2016-12-13 17:01:10 +08:00
parent 293ad4cd36
commit 1e117dc3d3
7 changed files with 202 additions and 24 deletions
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9
components/esp32/heap_alloc_caps.c
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@@ -164,8 +164,9 @@ static void disable_mem_region(void *from, void *to) {
/*
ToDo: These are very dependent on the linker script, and the logic involving this works only
because we're not using the SPI flash yet! If we enable that, this will break. ToDo: Rewrite by then.
Warning: These variables are assumed to have the start and end of the data and iram
area used statically by the program, respectively. These variables are defined in the ld
file.
*/
extern int _bss_start, _heap_start, _init_start, _iram_text_end;
@@ -177,6 +178,8 @@ Same with loading of apps. Same with using SPI RAM.
*/
void heap_alloc_caps_init() {
int i;
//Compile-time assert to see if we don't have more tags than is set in heap_regions.h
_Static_assert((sizeof(tag_desc)/sizeof(tag_desc[0]))-1 <= HEAPREGIONS_MAX_TAGCOUNT, "More than HEAPREGIONS_MAX_TAGCOUNT tags defined!");
//Disable the bits of memory where this code is loaded.
disable_mem_region(&_bss_start, &_heap_start); //DRAM used by bss/data static variables
disable_mem_region(&_init_start, &_iram_text_end); //IRAM used by code
@@ -217,7 +220,7 @@ void heap_alloc_caps_init() {
}
}
ESP_EARLY_LOGI(TAG, "Initializing. RAM available for heap:");
ESP_EARLY_LOGI(TAG, "Initializing. RAM available for dynamic allocation:");
for (i=0; regions[i].xSizeInBytes!=0; i++) {
if (regions[i].xTag != -1) {
ESP_EARLY_LOGI(TAG, "At %08X len %08X (%d KiB): %s",