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fix bootloader jump for g4 mcu (#12675)

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Eike Ahmels 2023-04-15 16:51:53 +02:00 • committed by GitHub
parent 20747ec3e3
commit 66d7f05448
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2 changed files with 36 additions and 11 deletions
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2
src/link/stm32_flash_g4_split.ld
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@ -39,7 +39,7 @@ SECTIONS
.isr_vector :
{
. = ALIGN(512);
. = ALIGN(4);
PROVIDE (isr_vector_table_base = .);
KEEP(*(.isr_vector)) /* Startup code */
. = ALIGN(4);

45
src/main/drivers/stm32/system_stm32g4xx.c
View file

@ -86,30 +86,55 @@ void systemReset(void)
void systemResetToBootloader(bootloaderRequestType_e requestType)
{
UNUSED(requestType);
switch (requestType) {
case BOOTLOADER_REQUEST_ROM:
default:
persistentObjectWrite(PERSISTENT_OBJECT_RESET_REASON, RESET_BOOTLOADER_REQUEST_ROM);
persistentObjectWrite(PERSISTENT_OBJECT_RESET_REASON, RESET_BOOTLOADER_REQUEST_ROM);
break;
}
__disable_irq();
NVIC_SystemReset();
}
#define SYSMEMBOOT_VECTOR_TABLE ((uint32_t *)0x1fff0000)
#define SYSMEMBOOT_LOADER ((uint32_t *)0x1fff0000)
typedef void *(*bootJumpPtr)(void);
typedef void resetHandler_t(void);
typedef struct isrVector_s {
__I uint32_t stackEnd;
resetHandler_t *resetHandler;
} isrVector_t;
void systemJumpToBootloader(void)
{
__SYSCFG_CLK_ENABLE();
uint32_t bootStack = SYSMEMBOOT_VECTOR_TABLE[0];
{
//DeInit all used peripherals
HAL_RCC_DeInit();
//Disable all system timers and set to default values
SysTick->CTRL = 0;
SysTick->LOAD = 0;
SysTick->VAL = 0;
//Disable all interrupts
__disable_irq();
//remap system memory
__HAL_SYSCFG_REMAPMEMORY_SYSTEMFLASH();
//default bootloader call stack routine
uint32_t bootStack = SYSMEMBOOT_VECTOR_TABLE[0];
bootJumpPtr SysMemBootJump = (bootJumpPtr)SYSMEMBOOT_VECTOR_TABLE[1];
__set_MSP(bootStack); //Set the main stack pointer to its default values
SysMemBootJump();
while (1);
}