Merge pull request #350 from pennam/en-rodata

pennam · web-flow · commit c2014ad2faf3 · 2026-02-27T09:24:06.000+01:00
variants: avoid llext ro data relocation
diff --git a/README.md b/README.md
@@ -330,7 +330,7 @@ Contributions are always welcome. The preferred way to receive code contribution
 ## 📌 Upcoming features
 
 - [ ] USB: switch to `USB_DEVICE_STACK_NEXT` to support PluggableUSB
-- [ ] Relocate RODATA in flash to accommodate sketches with large assets
+- [x] Relocate RODATA in flash to accommodate sketches with large assets
 - [ ] Provide better error reporting for failed llext operations
 - [ ] Replace [`llext_exports.c`](/loader/llext_exports.c) with proper symbols generation (via includes)
 - [ ] Fix corner cases with `std::` includes (like `<iterator>`)
diff --git a/loader/prj.conf b/loader/prj.conf
@@ -10,6 +10,7 @@ CONFIG_LOG_MODE_IMMEDIATE=y
 
 CONFIG_HEAP_MEM_POOL_SIZE=32768
 CONFIG_MAIN_STACK_SIZE=32768
+CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=-1
 
 CONFIG_ARDUINO_API=y
 
@@ -18,6 +19,7 @@ CONFIG_LLEXT_LOG_LEVEL_ERR=y
 CONFIG_LLEXT_HEAP_SIZE=32
 CONFIG_LLEXT_STORAGE_WRITABLE=y
 CONFIG_LLEXT_EXPORT_DEVICES=y
+CONFIG_LLEXT_RODATA_NO_RELOC=y
 
 CONFIG_LLEXT_EDK=y
 CONFIG_LLEXT_EDK_FORMAT_TAR_ZSTD=y
diff --git a/variants/arduino_giga_r1_stm32h747xx_m7/arduino_giga_r1_stm32h747xx_m7.conf b/variants/arduino_giga_r1_stm32h747xx_m7/arduino_giga_r1_stm32h747xx_m7.conf
@@ -18,7 +18,6 @@ CONFIG_SHARED_MULTI_HEAP=y
 CONFIG_HEAP_MEM_POOL_SIZE=32768
 CONFIG_MAIN_STACK_SIZE=32768
 CONFIG_LLEXT_HEAP_SIZE=128
-CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=-1
 
 CONFIG_CODE_DATA_RELOCATION=y
 CONFIG_MAIN_STACK_REGION="DTCM"
diff --git a/variants/arduino_nano_33_ble_nrf52840_sense/arduino_nano_33_ble_nrf52840_sense.conf b/variants/arduino_nano_33_ble_nrf52840_sense/arduino_nano_33_ble_nrf52840_sense.conf
@@ -37,7 +37,6 @@ CONFIG_LLEXT_STORAGE_WRITABLE=n
 CONFIG_HEAP_MEM_POOL_SIZE=16384
 CONFIG_LLEXT_HEAP_SIZE=128
 CONFIG_MAIN_STACK_SIZE=16384
-CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=-1
 
 CONFIG_FPU=y
 
diff --git a/variants/arduino_nano_matter_mgm240sd22vna/arduino_nano_matter_mgm240sd22vna.conf b/variants/arduino_nano_matter_mgm240sd22vna/arduino_nano_matter_mgm240sd22vna.conf
@@ -5,7 +5,6 @@ CONFIG_MAIN_STACK_SIZE=16000
 CONFIG_HEAP_MEM_POOL_SIZE=112000
 CONFIG_LLEXT_HEAP_SIZE=64
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2048
-CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=-1
 
 CONFIG_FPU=y
 CONFIG_I2C=y
diff --git a/variants/arduino_nicla_sense_me_nrf52832/arduino_nicla_sense_me_nrf52832.conf b/variants/arduino_nicla_sense_me_nrf52832/arduino_nicla_sense_me_nrf52832.conf
@@ -28,4 +28,3 @@ CONFIG_LLEXT_STORAGE_WRITABLE=n
 CONFIG_HEAP_MEM_POOL_SIZE=8192
 CONFIG_LLEXT_HEAP_SIZE=15
 CONFIG_MAIN_STACK_SIZE=2048
-CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=-1
diff --git a/variants/arduino_opta_stm32h747xx_m7/arduino_opta_stm32h747xx_m7.conf b/variants/arduino_opta_stm32h747xx_m7/arduino_opta_stm32h747xx_m7.conf
@@ -17,7 +17,6 @@ CONFIG_LLEXT_STORAGE_WRITABLE=n
 CONFIG_HEAP_MEM_POOL_SIZE=32768
 CONFIG_MAIN_STACK_SIZE=32768
 CONFIG_LLEXT_HEAP_SIZE=128
-CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=-1
 
 CONFIG_CODE_DATA_RELOCATION=y
 CONFIG_MAIN_STACK_REGION="DTCM"
diff --git a/variants/arduino_portenta_h7_stm32h747xx_m7/arduino_portenta_h7_stm32h747xx_m7.conf b/variants/arduino_portenta_h7_stm32h747xx_m7/arduino_portenta_h7_stm32h747xx_m7.conf
@@ -16,7 +16,6 @@ CONFIG_CDC_ACM_DTE_RATE_CALLBACK_SUPPORT=y
 CONFIG_LLEXT_STORAGE_WRITABLE=n
 CONFIG_SHARED_MULTI_HEAP=y
 CONFIG_HEAP_MEM_POOL_SIZE=32768
-CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=-1
 
 CONFIG_LOG_BACKEND_UART=y
 CONFIG_LOG_BACKEND_UART_AUTOSTART=n
diff --git a/variants/arduino_uno_q_stm32u585xx/arduino_uno_q_stm32u585xx.conf b/variants/arduino_uno_q_stm32u585xx/arduino_uno_q_stm32u585xx.conf
@@ -4,7 +4,6 @@
 CONFIG_LLEXT_STORAGE_WRITABLE=n
 CONFIG_HEAP_MEM_POOL_SIZE=32768
 CONFIG_LLEXT_HEAP_SIZE=128
-CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=-1
 
 CONFIG_FPU=y
 
