[PATCH] libbsp/arm: Add the TTB table to the default MMU set up as read/write.
Chris Johns
chrisj at rtems.org
Tue Aug 9 07:39:00 UTC 2016
This lets the table be changed at runtime for dynamic loading and
debugger support.
---
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 01fdbb3..a749f7d 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
@@ -88,6 +88,10 @@ typedef struct {
.begin = (uint32_t) bsp_section_nocachenoload_begin, \
.end = (uint32_t) bsp_section_nocachenoload_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
--
2.4.6
More information about the devel
mailing list