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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2019-03-15 07:32:28 +0100 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2019-03-15 07:34:07 +0100 |
commit | 9e4895805af7023c23ba0cedf8f48934e3be5acc (patch) | |
tree | 9017672a629bb3414072dd2eb15b96b7d353212b | |
parent | shmopen.c: Fix logically unreachable code (Coverity ID: 1399706, 1399714) (diff) | |
download | rtems-9e4895805af7023c23ba0cedf8f48934e3be5acc.tar.bz2 |
bsps/powerpc: Initialize stack earlier
The __eabi() call may use the stack.
Update #3459.
-rw-r--r-- | bsps/powerpc/shared/start/start.S | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/bsps/powerpc/shared/start/start.S b/bsps/powerpc/shared/start/start.S index faffaf9f31..76d4fc3e2a 100644 --- a/bsps/powerpc/shared/start/start.S +++ b/bsps/powerpc/shared/start/start.S @@ -120,6 +120,15 @@ __rtems_entry_point: */ enter_C_code: + /* + * Initialize start stack. The stacks are statically allocated and + * properly aligned. + */ + LA r1, _ISR_Stack_area_end + subi r1, r1, PPC_DEFAULT_CACHE_LINE_SIZE + li r0, 0 + stw r0, 0(r1) + bl MMUon bl __eabi /* setup EABI and SYSV environment */ bl zero_bss @@ -134,15 +143,6 @@ enter_C_code: bl save_boot_params /* - * Initialize start stack. The stacks are statically allocated and - * properly aligned. - */ - LA r1, _ISR_Stack_area_end - subi r1, r1, PPC_DEFAULT_CACHE_LINE_SIZE - li r0, 0 - stw r0, 0(r1) - - /* * We are now in a environment that is totally independent from * bootloader setup. */ |