diff options
Diffstat (limited to 'src/modules/systemlib')
-rw-r--r-- | src/modules/systemlib/systemlib.c | 12 | ||||
-rw-r--r-- | src/modules/systemlib/systemlib.h | 2 |
2 files changed, 12 insertions, 2 deletions
diff --git a/src/modules/systemlib/systemlib.c b/src/modules/systemlib/systemlib.c index 96276b56a..57a751e1c 100644 --- a/src/modules/systemlib/systemlib.c +++ b/src/modules/systemlib/systemlib.c @@ -50,9 +50,19 @@ #include <sys/stat.h> #include <sys/types.h> +#include <stm32_pwr.h> + #include "systemlib.h" -__EXPORT extern void systemreset(void) { +void +systemreset(bool to_bootloader) +{ + if (to_bootloader) { + stm32_pwr_enablebkp(); + + /* XXX wow, this is evil - write a magic number into backup register zero */ + *(uint32_t *)0x40002850 = 0xb007b007; + } up_systemreset(); } diff --git a/src/modules/systemlib/systemlib.h b/src/modules/systemlib/systemlib.h index 77fdfe08a..3728f2067 100644 --- a/src/modules/systemlib/systemlib.h +++ b/src/modules/systemlib/systemlib.h @@ -45,7 +45,7 @@ __BEGIN_DECLS /** Reboots the board */ -__EXPORT void systemreset(void) noreturn_function; +__EXPORT void systemreset(bool to_bootloader) noreturn_function; /** Sends SIGUSR1 to all processes */ __EXPORT void killall(void); |