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-rw-r--r--make/custom/mbx8xx.cfg8
1 files changed, 0 insertions, 8 deletions
diff --git a/make/custom/mbx8xx.cfg b/make/custom/mbx8xx.cfg
index 38ad5debfe..28e52739f3 100644
--- a/make/custom/mbx8xx.cfg
+++ b/make/custom/mbx8xx.cfg
@@ -129,13 +129,6 @@ endif # mbx821
#
# PowerPC-specific options:
#
-# PPC_USE_SPRG (RTEMS PowerPC port)
-# If defined (=1), then the PowerPC specific code in RTEMS will use some
-# of the special purpose registers to slightly optimize interrupt
-# response time. The use of these registers can conflict with
-# other tools like debuggers. This should be 0 when using EPPCBug
-# because its uses most SPRGs (do not believe the documentation!).
-#
# PPC_USE_DATA_CACHE (RTEMS PowerPC port)
# If defined, then the PowerPC specific code in RTEMS will use
# data cache instructions to optimize the context switch code.
@@ -159,7 +152,6 @@ define make-target-options
@echo "#define DATA_CACHE_ENABLE 1" >>$@
@echo >>$@
@echo "#define PPC_VECTOR_FILE_BASE 0x0000" >>$@
- @echo "#define PPC_USE_SPRG 0" >>$@
@echo "#define PPC_USE_DATA_CACHE 1" >>$@
@echo >>$@
endef