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esp32s2: add config option to place RTC data in fast RAM

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This commit is contained in:
Mahavir Jain 2020-04-19 11:49:44 +05:30 committed by bot
parent 1aac284dda
commit 18c1838587
5 changed files with 12 additions and 5 deletions
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7
components/esp32s2/Kconfig
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@ -498,6 +498,13 @@ menu "ESP32S2-specific"
If enabled, this disables the linking of binary libraries in the application build. Note
that after enabling this Wi-Fi/Bluetooth will not work.
config ESP32S2_RTCDATA_IN_FAST_MEM
bool "Place RTC_DATA_ATTR and RTC_RODATA_ATTR variables into RTC fast memory segment"
default n
help
This option allows to place .rtc_data and .rtc_rodata sections into
RTC fast memory segment to free the slow memory region for ULP programs.
config ESP32S2_ALLOW_RTC_FAST_MEM_AS_HEAP
bool "Enable RTC fast memory for dynamic allocations"
depends on !ESP32S2_MEMPROT_FEATURE

2
components/esp32s2/ld/esp32s2.ld
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@ -96,7 +96,7 @@ _data_seg_org = ORIGIN(rtc_data_seg);
When the option is not defined then use slow memory segment
else the data will be placed in fast memory segment
TODO: check whether the rtc_data_location is correct for esp32s2 - IDF-761 */
#ifndef CONFIG_ESP32_RTCDATA_IN_FAST_MEM
#ifndef CONFIG_ESP32S2_RTCDATA_IN_FAST_MEM
REGION_ALIAS("rtc_data_location", rtc_slow_seg );
#else
REGION_ALIAS("rtc_data_location", rtc_data_seg );

4
components/esp32s2/ld/esp32s2.project.ld.in
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@ -46,7 +46,7 @@ SECTIONS
named rtc_wake_stub*.c and the data marked with
RTC_DATA_ATTR, RTC_RODATA_ATTR attributes.
The memory location of the data is dependent on
CONFIG_ESP32_RTCDATA_IN_FAST_MEM option.
CONFIG_ESP32S2_RTCDATA_IN_FAST_MEM option.
*/
.rtc.data :
{
@ -75,7 +75,7 @@ SECTIONS
User data marked with RTC_NOINIT_ATTR will be placed
into this section. See the file "esp_attr.h" for more information.
The memory location of the data is dependent on
CONFIG_ESP32_RTCDATA_IN_FAST_MEM option.
CONFIG_ESP32S2_RTCDATA_IN_FAST_MEM option.
*/
.rtc_noinit (NOLOAD):
{

2
tools/unit-test-app/configs/single_core_2_s2
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@ -3,4 +3,4 @@ CONFIG_IDF_TARGET="esp32s2"
TEST_EXCLUDE_COMPONENTS=libsodium bt app_update freertos esp32s2 esp_timer driver heap pthread soc spi_flash vfs
CONFIG_MEMMAP_SMP=n
CONFIG_FREERTOS_UNICORE=y
CONFIG_ESP32_RTCDATA_IN_FAST_MEM=y
CONFIG_ESP32S2_RTCDATA_IN_FAST_MEM=y

2
tools/unit-test-app/configs/single_core_s2
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@ -3,4 +3,4 @@ CONFIG_IDF_TARGET="esp32s2"
TEST_COMPONENTS=freertos esp32s2 esp_timer driver heap pthread soc spi_flash vfs test_utils
CONFIG_MEMMAP_SMP=n
CONFIG_FREERTOS_UNICORE=y
CONFIG_ESP32_RTCDATA_IN_FAST_MEM=y
CONFIG_ESP32S2_RTCDATA_IN_FAST_MEM=y