diff options
Diffstat (limited to 'platform/devices/MCIMX7D/startup/gcc/startup_MCIMX7D_M4.S')
| -rw-r--r-- | platform/devices/MCIMX7D/startup/gcc/startup_MCIMX7D_M4.S | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/platform/devices/MCIMX7D/startup/gcc/startup_MCIMX7D_M4.S b/platform/devices/MCIMX7D/startup/gcc/startup_MCIMX7D_M4.S index 2a97408..a518a15 100644 --- a/platform/devices/MCIMX7D/startup/gcc/startup_MCIMX7D_M4.S +++ b/platform/devices/MCIMX7D/startup/gcc/startup_MCIMX7D_M4.S @@ -219,37 +219,6 @@ Reset_Handler: #ifndef __NO_SYSTEM_INIT bl SystemInit #endif -/* Loop to copy data from read only memory to RAM. The ranges - * of copy from/to are specified by following symbols evaluated in - * linker script. - * __etext: End of code section, i.e., begin of data sections to copy from. - * __data_start__/__data_end__: RAM address range that data should be - * copied to. Both must be aligned to 4 bytes boundary. */ - - ldr r1, =__etext - ldr r2, =__data_start__ - ldr r3, =__data_end__ - -#if 1 -/* Here are two copies of loop implemenations. First one favors code size - * and the second one favors performance. Default uses the first one. - * Change to "#if 0" to use the second one */ -.LC0: - cmp r2, r3 - ittt lt - ldrlt r0, [r1], #4 - strlt r0, [r2], #4 - blt .LC0 -#else - subs r3, r2 - ble .LC1 -.LC0: - subs r3, #4 - ldr r0, [r1, r3] - str r0, [r2, r3] - bgt .LC0 -.LC1: -#endif #ifdef __STARTUP_CLEAR_BSS /* This part of work usually is done in C library startup code. Otherwise, |