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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/gen5200 | |
| 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/gen5200')
| -rw-r--r-- | bsps/powerpc/gen5200/start/start.S | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/bsps/powerpc/gen5200/start/start.S b/bsps/powerpc/gen5200/start/start.S index 0c2dfd5989..9e9e504861 100644 --- a/bsps/powerpc/gen5200/start/start.S +++ b/bsps/powerpc/gen5200/start/start.S @@ -90,7 +90,9 @@ /* */ /***********************************************************************/ +#include <rtems/asm.h> #include <rtems/powerpc/cache.h> +#include <libcpu/powerpc-utility.h> #include <bsp.h> #include <bsp/mpc5200.h> @@ -470,12 +472,14 @@ skip_ROM_start: bl bsp_uboot_copy_board_info #endif /* HAS_UBOOT */ -/* set stack pointer (common for RAM/ROM startup) */ - LA r1, bsp_section_text_start - addi r1, r1, -0x10 /* Set up stack pointer = beginning of text section - 0x10 */ - /* tag TOS with a NULL pointer (termination mark for stack dump) */ - li r0, 0 - stw r0, 0(r1) + /* + * Initialize start stack (common for RAM/ROM startup). 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 __eabi /* Set up EABI and SYSV environment */ |