Changeset 660e8fa in mainline for kernel/arch/arm32/Makefile.inc

Timestamp:

2013-01-18T20:49:35Z (11 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

5fcd537, 6218d4b

Parents:

b5a3b50 (diff), a640bc1 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge arm fpu fixes.

Enable FPU coprocessor (cp10/11) access.
Test for cp10/11 access before using fpu instructions or touching fpu regs.
Move fpu instructions to single asm file instead of allowing it in kernel globally.
Add cp15 helper functions.
Add (unused) security extensions header.

File:

• kernel/arch/arm32/Makefile.inc (modified) (2 diffs)

kernel/arch/arm32/Makefile.inc

@@ -35 +35 @@
 GCC_CFLAGS += -fno-omit-frame-pointer -mapcs-frame -march=$(subst _,-,$(PROCESSOR)) -mno-unaligned-access
 
+ifeq ($(MACHINE),beagleboardxm)
+GCC_CFLAGS += -mcpu=cortex-a8
+endif
+
 ifeq ($(CONFIG_FPU),y)
 # This is necessary to allow vmsr insn and fpexc manipulation
 # Use vfp32 to allow context save/restore of d16-d31 regs.
-GCC_CFLAGS += -mfloat-abi=hard -mfpu=vfp3
+AFLAGS += -mfloat-abi=hard -mfpu=vfp3
 endif
 
@@ -70 +74 @@
 ifeq ($(CONFIG_FPU),y)
         ARCH_SOURCES += arch/$(KARCH)/src/fpu_context.c
+        ARCH_SOURCES += arch/$(KARCH)/src/fpu.s
 endif