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bsp/qoriq: Fix start stack setup

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This commit is contained in:
Sebastian Huber
2016-07-28 10:48:02 +02:00
parent 6446773000
commit cecc1097ff
1 changed files with 7 additions and 3 deletions
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10
c/src/lib/libbsp/powerpc/qoriq/start/start.S
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@@ -210,9 +210,13 @@ _start:
mtmsr r0
isync
/* Initialize start stack */
subi r1, START_STACK, PPC_MINIMUM_STACK_FRAME_SIZE
clrrwi r1, r1, PPC_STACK_ALIGN_POWER
/*
* Initialize start stack. Make sure that we do not share a cache line
* with the heap block management, since initial stacks for the
* secondary processors are allocated from the workspace.
*/
subi r1, START_STACK, 2 * PPC_DEFAULT_CACHE_LINE_SIZE
clrrwi r1, r1, PPC_DEFAULT_CACHE_LINE_POWER
li r0, 0
stw r0, 0(r1)