[rtems commit] aarch64: Memory map the noinit section

[Chris Johns]

Module:    rtems
Branch:    master
Commit:    1e360d3140a42fb821d1082c62d5d297ad62b7bd
Changeset: http://git.rtems.org/rtems/commit/?id=1e360d3140a42fb821d1082c62d5d297ad62b7bd

Author:    Kinsey Moore <kinsey.moore at oarcorp.com>
Date:      Fri Jul 15 15:45:21 2022 -0500

aarch64: Memory map the noinit section

This section was added recently and must be mapped to be accessed
without generating an exception.

---

 bsps/aarch64/include/bsp/aarch64-mmu.h    | 4 ++++
 bsps/aarch64/include/bsp/linker-symbols.h | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/bsps/aarch64/include/bsp/aarch64-mmu.h b/bsps/aarch64/include/bsp/aarch64-mmu.h
index bca7e0ce8d..35fc79d73a 100644
--- a/bsps/aarch64/include/bsp/aarch64-mmu.h
+++ b/bsps/aarch64/include/bsp/aarch64-mmu.h
@@ -91,6 +91,10 @@ typedef struct {
     .begin = (uintptr_t) bsp_section_rtemsstack_begin, \
     .end = (uintptr_t) bsp_section_rtemsstack_end, \
     .flags = AARCH64_MMU_DATA_RW_CACHED \
+  }, { \
+    .begin = (uintptr_t) bsp_section_noinit_begin, \
+    .end = (uintptr_t) bsp_section_noinit_end, \
+    .flags = AARCH64_MMU_DATA_RW_CACHED \
   }, { \
     .begin = (uintptr_t) bsp_section_work_begin, \
     .end = (uintptr_t) bsp_section_work_end, \
diff --git a/bsps/aarch64/include/bsp/linker-symbols.h b/bsps/aarch64/include/bsp/linker-symbols.h
index 38c655ba97..222c217abb 100644
--- a/bsps/aarch64/include/bsp/linker-symbols.h
+++ b/bsps/aarch64/include/bsp/linker-symbols.h
@@ -108,6 +108,10 @@ LINKER_SYMBOL(bsp_section_rtemsstack_begin)
 LINKER_SYMBOL(bsp_section_rtemsstack_end)
 LINKER_SYMBOL(bsp_section_rtemsstack_size)
 
+LINKER_SYMBOL(bsp_section_noinit_begin)
+LINKER_SYMBOL(bsp_section_noinit_end)
+LINKER_SYMBOL(bsp_section_noinit_size)
+
 LINKER_SYMBOL(bsp_section_work_begin)
 LINKER_SYMBOL(bsp_section_work_end)
 LINKER_SYMBOL(bsp_section_work_size)