[PATCH] CRIS update: arch split

Changes necessary to make the sub-arch split complete.

Signed-off-by: Mikael Starvik <starvik@axis.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

3 files changed, 40 insertions, 0 deletions

diff --git a/include/asm-cris/arch-v10/elf.h b/include/asm-cris/arch-v10/elf.h
index 2a2201ca538e..1c38ee728b17 100644
--- a/include/asm-cris/arch-v10/elf.h
+++ b/include/asm-cris/arch-v10/elf.h
@@ -1,6 +1,16 @@
 #ifndef __ASMCRIS_ARCH_ELF_H
 #define __ASMCRIS_ARCH_ELF_H
 
+#define ELF_MACH EF_CRIS_VARIANT_ANY_V0_V10
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x)                       \
+ ((x)->e_machine == EM_CRIS                     \
+  && ((((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_ANY_V0_V10      \
+      || (((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_COMMON_V10_V32))))
+
 /*
  * ELF register definitions..
  */
diff --git a/include/asm-cris/arch-v10/memmap.h b/include/asm-cris/arch-v10/memmap.h
new file mode 100644
index 000000000000..13f3b971407f
--- /dev/null
+++ b/include/asm-cris/arch-v10/memmap.h
@@ -0,0 +1,22 @@
+#ifndef _ASM_ARCH_MEMMAP_H
+#define _ASM_ARCH_MEMMAP_H
+
+#define MEM_CSE0_START (0x00000000)
+#define MEM_CSE0_SIZE (0x04000000)
+#define MEM_CSE1_START (0x04000000)
+#define MEM_CSE1_SIZE (0x04000000)
+#define MEM_CSR0_START (0x08000000)
+#define MEM_CSR1_START (0x0c000000)
+#define MEM_CSP0_START (0x10000000)
+#define MEM_CSP1_START (0x14000000)
+#define MEM_CSP2_START (0x18000000)
+#define MEM_CSP3_START (0x1c000000)
+#define MEM_CSP4_START (0x20000000)
+#define MEM_CSP5_START (0x24000000)
+#define MEM_CSP6_START (0x28000000)
+#define MEM_CSP7_START (0x2c000000)
+#define MEM_DRAM_START (0x40000000)
+
+#define MEM_NON_CACHEABLE (0x80000000)
+
+#endif
diff --git a/include/asm-cris/arch-v10/processor.h b/include/asm-cris/arch-v10/processor.h
index 9355d8675a58..e23df8dc96e8 100644
--- a/include/asm-cris/arch-v10/processor.h
+++ b/include/asm-cris/arch-v10/processor.h
@@ -59,4 +59,12 @@ struct thread_struct {
         wrusp(usp);           \
 } while(0)
 
+/* Called when handling a kernel bus fault fixup.
+ *
+ * After a fixup we do not want to return by restoring the CPU-state
+ * anymore, so switch frame-types (see ptrace.h)
+ */
+#define arch_fixup(regs) \
+   regs->frametype = CRIS_FRAME_NORMAL;
+
 #endif