Merge branch 'fix/esp32s3_ununsed_dcache_as_dram_v4.4' into 'release/v4.4'

esp_hw_support: Update the memory ptr location/property checks to include the unused DCACHE added to DRAM (v4.4)

See merge request espressif/esp-idf!23269
This commit is contained in:
Mahavir Jain
2023-04-19 16:38:13 +08:00
2 changed files with 31 additions and 2 deletions

View File

@ -304,7 +304,7 @@
//Region of memory that is internal, as in on the same silicon die as the ESP32 CPUs
//(excluding RTC data region, that's checked separately.) See esp_ptr_internal().
#define SOC_MEM_INTERNAL_LOW 0x3FC88000
#define SOC_MEM_INTERNAL_HIGH 0x403E2000
#define SOC_MEM_INTERNAL_HIGH 0x403E0000
// Start (highest address) of ROM boot stack, only relevant during early boot
#define SOC_ROM_STACK_START 0x3fceb710

View File

@ -74,6 +74,15 @@ inline static bool IRAM_ATTR esp_ptr_byte_accessible(const void *p)
#else
r |= (ip >= SOC_EXTRAM_DATA_LOW && ip < (SOC_EXTRAM_DATA_HIGH));
#endif
#endif
#if CONFIG_ESP32S3_DATA_CACHE_16KB
/* For ESP32-S3, when the DCACHE size is set to 16 kB, the unused 48 kB is
* added to the heap in 2 blocks of 32 kB (from 0x3FCF0000) and 16 kB
* (from 0x3C000000 (SOC_DROM_LOW) - 0x3C004000).
* Though this memory lies in the external memory vaddr, it is no different
* from the internal RAM in terms of hardware attributes. It is a part of
* the internal RAM when added to the heap and is byte-accessible .*/
r |= (ip >= SOC_DROM_LOW && ip < (SOC_DROM_LOW + 0x4000));
#endif
return r;
}
@ -87,6 +96,15 @@ inline static bool IRAM_ATTR esp_ptr_internal(const void *p) {
* 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
#if CONFIG_ESP32S3_DATA_CACHE_16KB
/* For ESP32-S3, when the DCACHE size is set to 16 kB, the unused 48 kB is
* added to the heap in 2 blocks of 32 kB (from 0x3FCF0000) and 16 kB
* (from 0x3C000000 (SOC_DROM_LOW) - 0x3C004000).
* Though this memory lies in the external memory vaddr, it is no different
* from the internal RAM in terms of hardware attributes and it is a part of
* the internal RAM when added to the heap.*/
r |= ((intptr_t)p >= SOC_DROM_LOW && (intptr_t)p < (SOC_DROM_LOW + 0x4000));
#endif
return r;
}
@ -109,7 +127,18 @@ inline static bool IRAM_ATTR esp_ptr_in_iram(const void *p) {
}
inline static bool IRAM_ATTR esp_ptr_in_drom(const void *p) {
return ((intptr_t)p >= SOC_DROM_LOW && (intptr_t)p < SOC_DROM_HIGH);
uint32_t drom_start_addr = SOC_DROM_LOW;
#if CONFIG_ESP32S3_DATA_CACHE_16KB
/* For ESP32-S3, when the DCACHE size is set to 16 kB, the unused 48 kB is
* added to the heap in 2 blocks of 32 kB (from 0x3FCF0000) and 16 kB
* (from 0x3C000000 (SOC_DROM_LOW) - 0x3C004000).
* The drom_start_addr has to be moved by 0x4000 (16kB) to accomodate
* this addition. */
drom_start_addr += 0x4000;
#endif
return ((intptr_t)p >= drom_start_addr && (intptr_t)p < SOC_DROM_HIGH);
}
inline static bool IRAM_ATTR esp_ptr_in_dram(const void *p) {