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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2016-04-01 10:53:52 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-04-01 13:58:01 +0200 |
| commit | 75c96bd2459ea013bf6bf4eea7f53094a4d66e93 (patch) | |
| tree | 497e65e4fb66bce768bacdff1a15499b3c66a195 /arch/arm/cpu | |
| parent | c44d92683f24d234a51c2cea62d199e7ab43d08a (diff) | |
| download | barebox-75c96bd2459ea013bf6bf4eea7f53094a4d66e93.tar.gz barebox-75c96bd2459ea013bf6bf4eea7f53094a4d66e93.tar.xz | |
ARM: Do not use last 64KiB of address space for barebox
The last 64KiB of address space may be used for the vector table at
0xffff0000, so we cannot use it for barebox. The easiest way to archieve
this is to never use the last 64KiB of memory.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/entry.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/cpu/entry.c b/arch/arm/cpu/entry.c index 3b74c6a6c1..0cdcfece73 100644 --- a/arch/arm/cpu/entry.c +++ b/arch/arm/cpu/entry.c @@ -1,6 +1,7 @@ #include <types.h> #include <asm/cache.h> +#include <asm/barebox-arm.h> #include "entry.h" @@ -26,7 +27,7 @@ void __naked __noreturn barebox_arm_entry(unsigned long membase, unsigned long memsize, void *boarddata) { - arm_setup_stack(membase + memsize - 16); + arm_setup_stack(arm_mem_stack(membase, membase + memsize) + STACK_SIZE - 16); arm_early_mmu_cache_invalidate(); if (IS_ENABLED(CONFIG_PBL_MULTI_IMAGES)) |