Changeset 2caa006 in rtems

Timestamp:

02/05/99 00:29:47 (25 years ago)

Author:

Joel Sherrill <joel.sherrill@…>

Branches:

4.10, 4.11, 4.8, 4.9, 5, master

Children:

b5e4eb7

Parents:

ecec2ba

Message:

Added instruction and data cache enable.

File:

• make/custom/dmv177.cfg (modified) (3 diffs)

make/custom/dmv177.cfg

@@ -53 +53 @@
 #     other tools like debuggers.
 #
-#  PPC_USE_DATA_CACHE (RTEMS PowerPC port)
+#  PPC_USE_DATA_CACHE (RTEMS PowerPC port/BSP)
 #     If defined, then the PowerPC specific code in RTEMS will use
 #     data cache instructions to optimize the context switch code.
-#     This code can conflict with debuggers or emulators.
+#     This code can conflict with debuggers or emulators.  It is known
+#     to break the Corelis PowerPC emulator with at least some combinations
+#     of PowerPC 603e revisions and emulator versions.
+#     The BSP actually contains the call that enables this.
+#
+#  PPC_USE_INSTRUCTION_CACHE (RTEMS PowerPC port/BSP)
+#     If defined, then the PowerPC specific code in RTEMS will use
+#     data cache instructions to optimize the context switch code.
+#     This code can conflict with debuggers or emulators. 
+#     The BSP actually contains the call that enables this.
 
 define make-target-options
@@ -69 +78 @@
         @echo "#define PPC_USE_SPRG 0"                             >>$@
         @echo "#define PPC_USE_DATA_CACHE 0"                       >>$@
+        @echo "#define PPC_USE_INSTRUCTION_CACHE 1"                >>$@
 endef
 
@@ -75 +85 @@
 #
 CPU_CFLAGS = -mcpu=603
+#CFLAGS_DEBUG_OPTIMIZE_V=
 
 # optimize flag: typically -0, could use -O4 or -fast