[rtems commit] libbsp/arm: Add the TTB table to the default MMU set up as read/write.

[Pavel Pisa]

Module:    rtems
Branch:    4.11
Commit:    197d0343a2c735ed894245c88199af27ee714afa
Changeset: http://git.rtems.org/rtems/commit/?id=197d0343a2c735ed894245c88199af27ee714afa

Author:    Chris Johns <chrisj at rtems.org>
Date:      Tue Aug  9 17:05:27 2016 +1000

libbsp/arm: Add the TTB table to the default MMU set up as read/write.

This lets the table be changed at runtime for dynamic loading and
debugger support.

Closes #2775.

---

 c/src/lib/libbsp/arm/shared/include/arm-cp15-start.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/c/src/lib/libbsp/arm/shared/include/arm-cp15-start.h b/c/src/lib/libbsp/arm/shared/include/arm-cp15-start.h
index c70ebf9..a821a6c 100644
--- a/c/src/lib/libbsp/arm/shared/include/arm-cp15-start.h
+++ b/c/src/lib/libbsp/arm/shared/include/arm-cp15-start.h
@@ -84,6 +84,10 @@ typedef struct {
     .begin = (uint32_t) bsp_section_nocache_begin, \
     .end = (uint32_t) bsp_section_nocache_end, \
     .flags = ARMV7_MMU_DEVICE \
+  }, { \
+    .begin = (uint32_t) bsp_translation_table_base, \
+    .end = (uint32_t) bsp_translation_table_end, \
+    .flags = ARMV7_MMU_DATA_READ_WRITE_CACHED \
   }
 
 BSP_START_DATA_SECTION extern const arm_cp15_start_section_config