feat(tcm): added tcm basic support on esp32p4

components/esp_common/include/esp_attr.h

@@ -25,6 +25,9 @@ extern "C" {
 // Forces data into DRAM instead of flash
 #define DRAM_ATTR _SECTION_ATTR_IMPL(".dram1", __COUNTER__)
 
+// Forces code into TCM instead of flash
+#define TCM_IRAM_ATTR _SECTION_ATTR_IMPL(".tcm.text", __COUNTER__)
+
 // IRAM can only be accessed as an 8-bit memory on ESP32, when CONFIG_ESP32_IRAM_AS_8BIT_ACCESSIBLE_MEMORY is set
 #define IRAM_8BIT_ACCESSIBLE (CONFIG_IDF_TARGET_ESP32 && CONFIG_ESP32_IRAM_AS_8BIT_ACCESSIBLE_MEMORY)
 

components/esp_common/soc.lf

@@ -41,3 +41,15 @@ entries:
 [sections:extram_bss]
 entries:
     .ext_ram.bss+
+
+[sections:tcm_text]
+entries:
+    .tcm.text+
+
+[sections:tcm_data]
+entries:
+    .tcm.data+
+
+[sections:tcm_bss]
+entries:
+    .tcm.bss+

components/esp_system/app.lf

@@ -22,6 +22,8 @@ entries:
     rtc_data -> rtc_data
     rtc_rodata -> rtc_data
     rtc_bss -> rtc_bss
+    tcm_text -> tcm_text
+    tcm_data -> tcm_data
 
 [scheme:rtc]
 entries:
@@ -44,6 +46,14 @@ entries:
 entries:
     text -> iram0_text
 
+[scheme:tcm]
+entries:
+    text -> tcm_text
+    data -> tcm_data
+    rodata -> tcm_data
+    bss -> tcm_bss
+    common -> tcm_bss
+
 [mapping:default]
 archive: *
 entries: