Added more configuration options for stm32c0

Author: danielinux

config/examples/stm32c0-lms-8-10-1.config

@@ -0,0 +1,51 @@
+ARCH?=ARM
+TARGET?=stm32c0
+SIGN?=LMS
+LMS_LEVELS=1
+LMS_HEIGHT=10
+LMS_WINTERNITZ=8
+IMAGE_SIGNATURE_SIZE=1456
+IMAGE_HEADER_SIZE=2048
+HASH?=SHA256
+DEBUG?=0
+VTOR?=1
+CORTEX_M0?=1
+NO_ASM?=0
+NO_MPU?=1
+EXT_FLASH?=0
+SPI_FLASH?=0
+ALLOW_DOWNGRADE?=0
+NVM_FLASH_WRITEONCE?=1
+WOLFBOOT_VERSION?=0
+V?=0
+SPMATH?=1
+DUALBANK_SWAP?=0
+
+# Enable this to support wolfBoot self-update
+RAM_CODE?=0
+
+# Use slightly smaller SHA2-256
+CFLAGS_EXTRA+=-DUSE_SLOW_SHA256
+
+# Enable this feature for secure memory support
+# Makes the flash sectors for the bootloader unaccessible from the application
+# Requires using the STM32CubeProgrammer to set FLASH_SECR -> SEC_SIZE pages
+#CFLAGS_EXTRA+=-DFLASH_SECURABLE_MEMORY_SUPPORT
+
+
+#Partition: Boot: 8KB, App, 10KB
+WOLFBOOT_PARTITION_SIZE?=0x2800
+WOLFBOOT_SECTOR_SIZE?=0x800
+#Max WOLFBOOT size is 8KB
+WOLFBOOT_PARTITION_BOOT_ADDRESS?=0x08002000
+WOLFBOOT_PARTITION_UPDATE_ADDRESS?=0x085000
+WOLFBOOT_PARTITION_SWAP_ADDRESS?=0x08007800
+
+#Example debugging partition for larger wolfBoot
+#Partition: Boot: 22KB, App, 4K
+#DEBUG?=1
+#WOLFBOOT_PARTITION_SIZE?=0x1000
+#WOLFBOOT_SECTOR_SIZE?=0x800
+#WOLFBOOT_PARTITION_BOOT_ADDRESS?=0x08005800
+#WOLFBOOT_PARTITION_UPDATE_ADDRESS?=0x08006800
+#WOLFBOOT_PARTITION_SWAP_ADDRESS?=0x08007800

config/examples/stm32c0-rsa2048.config

@@ -0,0 +1,46 @@
+ARCH?=ARM
+TARGET?=stm32c0
+SIGN?=RSA2048
+HASH?=SHA256
+DEBUG?=0
+VTOR?=1
+CORTEX_M0?=1
+NO_ASM?=0
+NO_MPU?=1
+EXT_FLASH?=0
+SPI_FLASH?=0
+ALLOW_DOWNGRADE?=0
+NVM_FLASH_WRITEONCE?=1
+WOLFBOOT_VERSION?=0
+V?=0
+SPMATH?=1
+DUALBANK_SWAP?=0
+
+# Enable this to support wolfBoot self-update
+RAM_CODE?=0
+
+# Use slightly smaller SHA2-256
+CFLAGS_EXTRA+=-DUSE_SLOW_SHA256
+
+# Enable this feature for secure memory support
+# Makes the flash sectors for the bootloader unaccessible from the application
+# Requires using the STM32CubeProgrammer to set FLASH_SECR -> SEC_SIZE pages
+#CFLAGS_EXTRA+=-DFLASH_SECURABLE_MEMORY_SUPPORT
+
+
+#Partition: Boot: 12KB, App, 8KB
+WOLFBOOT_PARTITION_SIZE?=0x2000
+WOLFBOOT_SECTOR_SIZE?=0x800
+#Max WOLFBOOT size is 10KB
+WOLFBOOT_PARTITION_BOOT_ADDRESS?=0x08003000
+WOLFBOOT_PARTITION_UPDATE_ADDRESS?=0x08005000
+WOLFBOOT_PARTITION_SWAP_ADDRESS?=0x08007800
+
+#Example debugging partition for larger wolfBoot
+#Partition: Boot: 22KB, App, 4K
+#DEBUG?=1
+#WOLFBOOT_PARTITION_SIZE?=0x1000
+#WOLFBOOT_SECTOR_SIZE?=0x800
+#WOLFBOOT_PARTITION_BOOT_ADDRESS?=0x08005800
+#WOLFBOOT_PARTITION_UPDATE_ADDRESS?=0x08006800
+#WOLFBOOT_PARTITION_SWAP_ADDRESS?=0x08007800

config/examples/stm32c0.config

@@ -1,7 +1,5 @@
 ARCH?=ARM
 TARGET?=stm32c0
-#Supports ED25519/SHA384
-# No longer supported: RSA2048/SHA256
 SIGN?=ED25519
 HASH?=SHA384
 DEBUG?=0

docs/Targets.md

@@ -443,10 +443,13 @@ mon reset init
 Supports STM32C0x0/STM32C0x1. Instructions are for the STM Nucleo-C031C6 dev board.
 
 Tested build configurations:
-* With RSA2048 and SHA2-256 the code size is 9724 and it boots in under 1 second.
+* With RSA2048 and SHA2-256 the code size is 10988 and it boots in under 1 second.
 * With ED25519 and SHA2-384 the code size is 10024 and takes about 10 seconds for the LED to turn on.
+* With LMS-8-10-1 and SHA2-256 the code size is 8164
 
-Example 32KB partitioning on STM32-G070:
+### Example 32KB partitioning on STM32-G070
+
+with ED25519:
 
 - Sector size: 2KB
 - Wolfboot partition size: 10KB
@@ -461,11 +464,43 @@ Example 32KB partitioning on STM32-G070:
 #define WOLFBOOT_PARTITION_SWAP_ADDRESS      0x08007800 /* at 30KB */
 ```
 
+with LMS:
+
+- Sector size: 2KB
+- Wolfboot partition size: 8KB
+- Application partition size: 10 KB
+- Swap size 2KB
+
+```C
+#define WOLFBOOT_SECTOR_SIZE                 0x800      /* 2 KB */
+#define WOLFBOOT_PARTITION_BOOT_ADDRESS      0x08002000 /* at 8KB */
+#define WOLFBOOT_PARTITION_SIZE              0x2800     /* 10 KB */
+#define WOLFBOOT_PARTITION_UPDATE_ADDRESS    0x08005000 /* at 20KB */
+#define WOLFBOOT_PARTITION_SWAP_ADDRESS      0x08007800 /* at 30KB */
+```
+
+with RSA2048:
+
+- Sector size: 2KB
+- Wolfboot partition size: 12KB
+- Application partition size: 8 KB
+- Swap size 2KB
+
+```C
+#define WOLFBOOT_SECTOR_SIZE                 0x800      /* 2 KB */
+#define WOLFBOOT_PARTITION_BOOT_ADDRESS      0x08003000 /* at 12KB */
+#define WOLFBOOT_PARTITION_SIZE              0x2000     /* 8 KB */
+#define WOLFBOOT_PARTITION_UPDATE_ADDRESS    0x08005000 /* at 20KB */
+#define WOLFBOOT_PARTITION_SWAP_ADDRESS      0x08007800 /* at 30KB */
+```
+
 ### Building STM32C0
 
-Reference configuration (see [/config/examples/stm32c0.config](/config/examples/stm32c0.config)).
+Reference configuration files (see [config/examples/stm32c0.config](/config/examples/stm32c0.config),
+[config/examples/stm32c0-rsa2048.config](/config/examples/stm32c0-rsa2048.config) and
+[config/examples/stm32c0-lms-8-10-1.config](/config/examples/stm32c0-lms-8-10-1.config)).
 
-You can copy this to wolfBoot root as `.config`: `cp ./config/examples/stm32c0.config .config`.
+You can copy one of these to wolfBoot root as `.config`: `cp ./config/examples/stm32c0.config .config`.
 To build you can use `make`.
 
 The TARGET for this is `stm32c0`: `make TARGET=stm32c0`.