On 29/06/2020 13:28, Daniel Hellstrom wrote:
diff --git a/bsps/sparc/leon3/config/gr712rc.cfg
b/bsps/sparc/leon3/config/gr712rc.cfg
index 3852932..e8f0731 100644
--- a/bsps/sparc/leon3/config/gr712rc.cfg
+++ b/bsps/sparc/leon3/config/gr712rc.cfg
@@ -10,10 +10,11 @@ RTEMS_CPU=sparc
# and (hopefully) optimize for it.
# GCC and clang use different switches to select target:
ifneq (,$(findstring clang,$(CC)))
- CPU_CFLAGS = -mcpu=gr712rc
+ CPU_CFLAGS = -mcpu=gr712rc -D__FIX_LEON3FT_TN0018
else
- CPU_CFLAGS = -mcpu=leon3 -mfix-gr712rc
+ CPU_CFLAGS = -mcpu=leon3 -mfix-gr712rc -D__FIX_LEON3FT_TN0018
endif
+# -D__FIX_LEON3FT_TN0018 enables kernel work around for GRLIB-TN-0018 errata
# optimize flag: typically -O2
CFLAGS_OPTIMIZE_V = -O2 -g
diff --git a/bsps/sparc/leon3/config/ut699.cfg
b/bsps/sparc/leon3/config/ut699.cfg
index a8fff49..ed70cf5 100644
--- a/bsps/sparc/leon3/config/ut699.cfg
+++ b/bsps/sparc/leon3/config/ut699.cfg
@@ -8,7 +8,8 @@ RTEMS_CPU=sparc
# This contains the compiler options necessary to select the CPU model
# and (hopefully) optimize for it.
-CPU_CFLAGS = -mcpu=leon -mfix-ut699
+# -D__FIX_LEON3FT_TN0018 enables kernel work around for GRLIB-TN-0018 errata
+CPU_CFLAGS = -mcpu=leon -mfix-ut699 -D__FIX_LEON3FT_TN0018
# optimize flag: typically -O2
CFLAGS_OPTIMIZE_V = -O2 -g
diff --git a/bsps/sparc/leon3/config/ut700.cfg
b/bsps/sparc/leon3/config/ut700.cfg
index bcca901..5c6fff8 100644
--- a/bsps/sparc/leon3/config/ut700.cfg
+++ b/bsps/sparc/leon3/config/ut700.cfg
@@ -8,7 +8,8 @@ RTEMS_CPU=sparc
# This contains the compiler options necessary to select the CPU model
# and (hopefully) optimize for it.
-CPU_CFLAGS = -mcpu=leon3 -mfix-ut700
+# -D__FIX_LEON3FT_TN0018 enables kernel work around for GRLIB-TN-0018 errata
+CPU_CFLAGS = -mcpu=leon3 -mfix-ut700 -D__FIX_LEON3FT_TN0018
# optimize flag: typically -O2
CFLAGS_OPTIMIZE_V = -O2 -g
Command line defines are discouraged and in cpukit only multilib defined
defines should be used. Can't you the existing __FIX_LEON3FT_B2BST
define to enable the errata workarounds?
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