RIOT-OS/RIOT
RIOT-OS/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2024-12-29 04:50:03 +01:00
Code Releases Activity

cpu/gd32v: add riotboot support

Browse Source
This commit is contained in:
Gunar Schorcht 2023-03-19 16:38:51 +01:00
parent 1ad397ff59
commit f6cb8b99e6
2 changed files with 49 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
cpu/gd32v/Makefile.include
View File

@ -1,8 +1,37 @@
RAM_START_ADDR ?= 0x20000000
RAM_LEN ?= 32K
ROM_START_ADDR ?= 0x08000000
ROM_LEN ?= 128K
ifneq (,$(filter gd32vf103%bt6 gd32vf103%bu6,$(CPU_MODEL)))
RAM_LEN ?= 32K
ROM_LEN ?= 128K
else ifneq (,$(filter gd32vf103%8t6 gd32vf103%8u6,$(CPU_MODEL)))
RAM_LEN ?= 20K
ROM_LEN ?= 64K
else ifneq (,$(filter gd32vf103%6t6 gd32vf103%6u6,$(CPU_MODEL)))
RAM_LEN ?= 10K
ROM_LEN ?= 32K
else ifneq (,$(filter gd32vf103%4t6 gd32vf103%4u6,$(CPU_MODEL)))
RAM_LEN ?= 6K
ROM_LEN ?= 16K
else
$(error CPU model $(CPU_MODEL) not supported)
endif
FW_ROM_LEN ?= $(shell printf "0x%x" $$(($(ROM_LEN:%K=%*1024))))
RIOTBOOT_HDR_LEN ?= 0x400
ifneq (,$(filter usbus_dfu tinyusb_dfu,$(USEMODULE)))
RIOTBOOT_LEN ?= 0x4000
else
RIOTBOOT_LEN ?= 0x1000
endif
NUM_SLOTS ?= 2
SLOT0_LEN ?= $(shell printf "0x%x" $$((($(ROM_LEN:%K=%*1024)-$(RIOTBOOT_LEN)) / $(NUM_SLOTS))))
SLOT1_LEN ?= $(SLOT0_LEN)
SLOT0_LEN := $(SLOT0_LEN)
SLOT1_LEN := $(SLOT1_LEN)
LINKER_SCRIPT ?= riscv.ld

17
cpu/gd32v/include/cpu.h
View File

@ -24,6 +24,23 @@
extern "C" {
#endif
/**
* @brief Returns the address of running application in flash
*/
static inline uint32_t cpu_get_image_baseaddr(void)
{
extern uint8_t _start;
return (uint32_t)&_start;
}
/**
* @brief Starts another image in flash
*/
static inline void cpu_jump_to_image(uint32_t addr)
{
__asm__ volatile ("jr %0" :: "r" (addr));
}
#ifdef __cplusplus
}
#endif