diff options
| -rw-r--r-- | platform/devices/MCIMX7D/startup/gcc/startup_MCIMX7D_M4.S | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/platform/devices/MCIMX7D/startup/gcc/startup_MCIMX7D_M4.S b/platform/devices/MCIMX7D/startup/gcc/startup_MCIMX7D_M4.S index 328fa9b..2a97408 100644 --- a/platform/devices/MCIMX7D/startup/gcc/startup_MCIMX7D_M4.S +++ b/platform/devices/MCIMX7D/startup/gcc/startup_MCIMX7D_M4.S @@ -204,12 +204,18 @@ __isr_vector: .weak Reset_Handler .type Reset_Handler, %function Reset_Handler: + cpsid i /* Mask interrupts */ /* * Set stack pointer manually. Not all loading mechanism setup stack * e.g. when using elf file format with Toradex U-Boot 2016.11 */ - ldr sp,=__stack; - cpsid i /* Mask interrupts */ + ldr sp,=__stack + /* + * When the vector table above is linked to 0x00000000 and we use elf + * U-Boot overwrites the stackpointer with 0... restore it... + */ + ldr r1,=__isr_vector + str sp, [r1] #ifndef __NO_SYSTEM_INIT bl SystemInit #endif |