chibios: mark boot2 bootlader data readonly (qmk#21986)

Author: t-8ch

platforms/chibios/drivers/wear_leveling/wear_leveling_rp2040_flash.c

@@ -25,8 +25,8 @@
 #define FLASHCMD_READ_STATUS 0x05
 #define FLASHCMD_WRITE_ENABLE 0x06
 
-extern uint8_t  BOOT2_ROM[256];
-static uint32_t BOOT2_ROM_RAM[64];
+extern const uint8_t BOOT2_ROM[256];
+static uint32_t      BOOT2_ROM_RAM[64];
 
 static ssi_hw_t *const ssi = (ssi_hw_t *)XIP_SSI_BASE;
 

platforms/chibios/vendors/RP/stage2_bootloaders.c

@@ -13,7 +13,7 @@
 
 #if defined(RP2040_FLASH_AT25SF128A)
 
-uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
+const uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
   0x00, 0xb5, 0x31, 0x4b, 0x21, 0x20, 0x58, 0x60, 0x98, 0x68, 0x02, 0x21,
   0x88, 0x43, 0x98, 0x60, 0xd8, 0x60, 0x18, 0x61, 0x58, 0x61, 0x2d, 0x4b,
   0x00, 0x21, 0x99, 0x60, 0x04, 0x21, 0x59, 0x61, 0x01, 0x21, 0xf0, 0x22,
@@ -40,7 +40,7 @@ uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
 
 #elif defined(RP2040_FLASH_GD25Q64CS)
 
-uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
+const uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
   0x00, 0xb5, 0x31, 0x4b, 0x21, 0x20, 0x58, 0x60, 0x98, 0x68, 0x02, 0x21,
   0x88, 0x43, 0x98, 0x60, 0xd8, 0x60, 0x18, 0x61, 0x58, 0x61, 0x2d, 0x4b,
   0x00, 0x21, 0x99, 0x60, 0x04, 0x21, 0x59, 0x61, 0x01, 0x21, 0xf0, 0x22,
@@ -67,7 +67,7 @@ uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
 
 #elif defined(RP2040_FLASH_W25X10CL)
 
-uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
+const uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
   0x00, 0xb5, 0x14, 0x4b, 0x00, 0x21, 0x99, 0x60, 0x04, 0x21, 0x59, 0x61,
   0x12, 0x49, 0x19, 0x60, 0x00, 0x21, 0x59, 0x60, 0x11, 0x49, 0x12, 0x48,
   0x01, 0x60, 0x01, 0x21, 0x99, 0x60, 0xbb, 0x21, 0x19, 0x66, 0x02, 0x21,
@@ -94,7 +94,7 @@ uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
 
 #elif defined(RP2040_FLASH_IS25LP080)
 
-uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
+const uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
   0x00, 0xb5, 0x2b, 0x4b, 0x00, 0x21, 0x99, 0x60, 0x04, 0x21, 0x59, 0x61,
   0x29, 0x49, 0x19, 0x60, 0x01, 0x21, 0x99, 0x60, 0x28, 0x48, 0x00, 0xf0,
   0x42, 0xf8, 0x28, 0x4a, 0x90, 0x42, 0x12, 0xd0, 0x06, 0x21, 0x19, 0x66,
@@ -121,7 +121,7 @@ uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
 
 #elif defined(RP2040_FLASH_GENERIC_03H)
 
-uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
+const uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
   0x00, 0xb5, 0x0c, 0x4b, 0x00, 0x21, 0x99, 0x60, 0x04, 0x21, 0x59, 0x61,
   0x0a, 0x49, 0x19, 0x60, 0x0a, 0x49, 0x0b, 0x48, 0x01, 0x60, 0x00, 0x21,
   0x59, 0x60, 0x01, 0x21, 0x99, 0x60, 0x01, 0xbc, 0x00, 0x28, 0x00, 0xd0,
@@ -148,7 +148,7 @@ uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
 
 #else
 
-uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
+const uint8_t BOOTLOADER_SECTION BOOT2_ROM[256] = {
   0x00, 0xb5, 0x32, 0x4b, 0x21, 0x20, 0x58, 0x60, 0x98, 0x68, 0x02, 0x21,
   0x88, 0x43, 0x98, 0x60, 0xd8, 0x60, 0x18, 0x61, 0x58, 0x61, 0x2e, 0x4b,
   0x00, 0x21, 0x99, 0x60, 0x04, 0x21, 0x59, 0x61, 0x01, 0x21, 0xf0, 0x22,