[rtems commit] arm: Fix PMSA region mapping with 0x0 end address

Sebastian Huber sebh at rtems.org
Wed Jun 8 07:04:42 UTC 2022


Module:    rtems
Branch:    master
Commit:    0b9497a6dd1cb89e9b8100572554d31598481f9f
Changeset: http://git.rtems.org/rtems/commit/?id=0b9497a6dd1cb89e9b8100572554d31598481f9f

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Fri Jun  3 07:40:19 2022 +0200

arm: Fix PMSA region mapping with 0x0 end address

A section may span up to the end of the address range.  In this case the
end address is zero.  Use the base address to check if a region should
be before another region.

Update #4202.

---

 cpukit/score/cpu/arm/aarch32-psma-init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cpukit/score/cpu/arm/aarch32-psma-init.c b/cpukit/score/cpu/arm/aarch32-psma-init.c
index 177b2a6d7c..3519104b21 100644
--- a/cpukit/score/cpu/arm/aarch32-psma-init.c
+++ b/cpukit/score/cpu/arm/aarch32-psma-init.c
@@ -153,7 +153,7 @@ size_t _AArch32_PMSA_Map_sections_to_regions(
         }
       }
 
-      if ( end <= region_base ) {
+      if ( base <= region_base ) {
         size_t i;
 
         if ( region_used >= region_max ) {



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