[PATCH WIP 3/4] ARM: mm: nommu: display dynamic exception base

afzal mohammed
2017-01-07T17:22:27Z

Display dynamically estimated nommu exception base.

TODO: Dynamically update MMU case too.

Signed-off-by: afzal mohammed <afzal.mohd.ma@gmail.com>
---
arch/arm/mm/init.c | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 370581aeb871..1777ee23a6a2 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -39,6 +39,10 @@

#include "mm.h"

+#ifndef CONFIG_MMU
+extern unsigned long vectors_base;
+#endif
+
#ifdef CONFIG_CPU_CP15_MMU
unsigned long __init __clear_cr(unsigned long mask)
{
@@ -521,8 +525,13 @@ void __init mem_init(void)
" .data : 0x%p" " - 0x%p" " (%4td kB)\n"
" .bss : 0x%p" " - 0x%p" " (%4td kB)\n",

+#ifdef CONFIG_MMU
MLK(UL(CONFIG_VECTORS_BASE), UL(CONFIG_VECTORS_BASE) +
(PAGE_SIZE)),
+#else
+ MLK_ROUNDUP(vectors_base, vectors_base + PAGE_SIZE),
+#endif
+
#ifdef CONFIG_HAVE_TCM
MLK(DTCM_OFFSET, (unsigned long) dtcm_end),
MLK(ITCM_OFFSET, (unsigned long) itcm_end),
--
2.11.0