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heap: add rtc fast memory region to dynamic pool

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- for ESP32 only enabled in case of unicore config
- capability wise this region (8K) is same as DRAM, except non-DMA capable
- also fixed small issue in reserved memory region processing when (start == end)
This commit is contained in:
Mahavir Jain
2020-04-18 23:56:34 +05:30
committed by bot
parent 4091d44cda
commit 1aac284dda
6 changed files with 64 additions and 5 deletions
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components/soc/include/soc/soc_memory_layout.h
+12
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@@ -176,6 +176,12 @@ inline static bool IRAM_ATTR esp_ptr_byte_accessible(const void *p)
intptr_t ip = (intptr_t) p;
bool r;
r = (ip >= SOC_BYTE_ACCESSIBLE_LOW && ip < SOC_BYTE_ACCESSIBLE_HIGH);
#if CONFIG_ESP32_ALLOW_RTC_FAST_MEM_AS_HEAP
/* For ESP32 case, RTC fast memory is accessible to PRO cpu only and hence
* for single core configuration (where it gets added to system heap) following
* additional check is required */
r |= (ip >= SOC_RTC_DRAM_LOW && ip < SOC_RTC_DRAM_HIGH);
#endif
#if CONFIG_SPIRAM
#if CONFIG_SPIRAM_SIZE != -1 // Fixed size, can be more accurate
r |= (ip >= SOC_EXTRAM_DATA_LOW && ip < (SOC_EXTRAM_DATA_LOW + CONFIG_SPIRAM_SIZE));
@@ -190,6 +196,12 @@ inline static bool IRAM_ATTR esp_ptr_internal(const void *p) {
bool r;
r = ((intptr_t)p >= SOC_MEM_INTERNAL_LOW && (intptr_t)p < SOC_MEM_INTERNAL_HIGH);
r |= ((intptr_t)p >= SOC_RTC_DATA_LOW && (intptr_t)p < SOC_RTC_DATA_HIGH);
#if CONFIG_ESP32_ALLOW_RTC_FAST_MEM_AS_HEAP
/* For ESP32 case, RTC fast memory is accessible to PRO cpu only and hence
* for single core configuration (where it gets added to system heap) following
* additional check is required */
r |= ((intptr_t)p >= SOC_RTC_DRAM_LOW && (intptr_t)p < SOC_RTC_DRAM_HIGH);
#endif
return r;
}