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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-11-15 20:47:22 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-11-19 07:15:47 +0100 |
| commit | 84e59b7c04e47c3ec7aa95f53509fd812eee725e (patch) | |
| tree | 8dd2b9325e2a8d897085593ea52dc123d18f2ead /bsps/powerpc/virtex | |
| parent | bsps/m68k: Use interrupt stack for init stack (diff) | |
| download | rtems-84e59b7c04e47c3ec7aa95f53509fd812eee725e.tar.bz2 | |
bsps/powerpc: Use interrupt stack for init stack
Move start.o to separate file.
Update #3459.
Diffstat (limited to 'bsps/powerpc/virtex')
| -rw-r--r-- | bsps/powerpc/virtex/start/start.S | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/bsps/powerpc/virtex/start/start.S b/bsps/powerpc/virtex/start/start.S index 725b09954f..3c9cd229d3 100644 --- a/bsps/powerpc/virtex/start/start.S +++ b/bsps/powerpc/virtex/start/start.S @@ -47,11 +47,6 @@ virtex_exc_vector_base: b twiddle .endr - /* Start stack area */ -.rept BSP_START_STACK_SIZE / 4 - b twiddle -.endr - _start: /* Reset time base */ @@ -59,10 +54,13 @@ _start: mtspr TBWU, r0 mtspr TBWL, r0 - /* Initialize start stack */ - LWI r1, _start - stwu r0, -4(r1) - stwu r0, -4(r1) + /* + * 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 + stw r0, 0(r1) /* Copy fast text */ LWI r3, bsp_section_fast_text_begin |