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boardloader: fix production build, disable reset_flags_init for now

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This commit is contained in:
Pavol Rusnak 2017-10-29 20:29:18 +01:00
parent 16f657361c
commit 311a28242b
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GPG Key ID: 91F3B339B9A02A3D
1 changed files with 34 additions and 29 deletions
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63
embed/boardloader/lowlevel.c
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@ -9,42 +9,45 @@ void flash_set_option_bytes(void)
{
FLASH_OBProgramInitTypeDef opts;
for(;;) {
HAL_FLASHEx_OBGetConfig(&opts);
HAL_FLASHEx_OBGetConfig(&opts);
opts.OptionType = 0;
opts.OptionType = 0;
if (opts.WRPSector != WANTED_WRP) {
opts.OptionType |= OPTIONBYTE_WRP;
opts.WRPState = OB_WRPSTATE_ENABLE;
opts.WRPSector = WANTED_WRP;
opts.Banks = FLASH_BANK_1;
}
if (opts.RDPLevel != WANTED_RDP) {
opts.OptionType |= OPTIONBYTE_RDP;
opts.RDPLevel = WANTED_RDP;
}
if (opts.OptionType == 0) {
break; // protections are configured
}
// attempt to lock down the boardloader sectors
HAL_FLASH_Unlock();
HAL_FLASH_OB_Unlock();
HAL_FLASHEx_OBProgram(&opts);
HAL_FLASH_OB_Launch();
HAL_FLASH_OB_Lock();
HAL_FLASH_Lock();
if (opts.WRPSector != WANTED_WRP) {
opts.OptionType |= OPTIONBYTE_WRP;
opts.WRPState = OB_WRPSTATE_ENABLE;
opts.WRPSector = WANTED_WRP;
opts.Banks = FLASH_BANK_1;
}
if (opts.RDPLevel != WANTED_RDP) {
opts.OptionType |= OPTIONBYTE_RDP;
opts.RDPLevel = WANTED_RDP;
}
if (opts.OptionType == 0) {
return; // protections are configured
}
// attempt to lock down the boardloader sectors
HAL_FLASH_Unlock();
HAL_FLASH_OB_Unlock();
HAL_FLASHEx_OBProgram(&opts);
HAL_FLASH_OB_Launch();
HAL_FLASH_OB_Lock();
HAL_FLASH_Lock();
}
#define FLASH_OPTION_BYTES_1 (*(const uint64_t *)0x1FFFC000)
#define FLASH_OPTION_BYTES_2 (*(const uint64_t *)0x1FFFC008)
secbool flash_check_option_bytes(void)
{
if ((FLASH->OPTCR & FLASH_OPTCR_nWRP) != (FLASH_OPTCR_nWRP_0 | FLASH_OPTCR_nWRP_1 | FLASH_OPTCR_nWRP_2)) return secfalse;
if ((FLASH->OPTCR & FLASH_OPTCR_RDP) != FLASH_OPTCR_RDP_2) return secfalse;
return sectrue;
// RDP level 2 WRP for sectors 0, 1 and 2 flash option control register matches
if (((FLASH_OPTION_BYTES_1 & 0xFFEC) == 0xCCEC) && ((FLASH_OPTION_BYTES_2 & 0x0FFF) == 0x0FF8) && (FLASH->OPTCR == 0x0FF8CCED)) {
return sectrue;
}
return secfalse;
}
void periph_init(void)
@ -77,6 +80,7 @@ void periph_init(void)
secbool reset_flags_init(void)
{
/*
#if PRODUCTION
// this is effective enough that it makes development painful, so only use it for production.
// check the reset flags to assure that we arrive here due to a regular full power-on event,
@ -85,6 +89,7 @@ secbool reset_flags_init(void)
return secfalse;
}
#endif
*/
RCC->CSR |= RCC_CSR_RMVF; // clear the reset flags