Copy RP2040 vector table to RAM on startup (#18424)

...this reduces possible latency when invoking interrupt handlers by mitigating XIP cache misses which are not existent when running code from RAM.
3 years ago · b8ffaa6331
parent 828a1db035
commit b8ffaa6331
1 changed files with 2 additions and 1 deletions
--- a/platforms/chibios/vendors/RP/RP2040.mk
+++ b/platforms/chibios/vendors/RP/RP2040.mk
@ -11,7 +11,8 @@ endif
 # Raspberry Pi Pico SDK Support
 ##############################################################################
 ADEFS  += -DCRT0_VTOR_INIT=1 \
-		  -DCRT0_EXTRA_CORES_NUMBER=0
+		  -DCRT0_EXTRA_CORES_NUMBER=0 \
+          -DCRT0_INIT_VECTORS=1

 CFLAGS += -DPICO_NO_FPGA_CHECK \
          -DNDEBUG