sh: Add SH-2A platform headers.

Mostly SH-2 wrappers..

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 32 insertions, 0 deletions

diff --git a/include/asm-sh/entry-macros.S b/include/asm-sh/entry-macros.S
new file mode 100644
index 000000000000..099fe8189bbe
--- /dev/null
+++ b/include/asm-sh/entry-macros.S
@@ -0,0 +1,32 @@
+! entry.S macro define
+        
+        .macro  cli
+        stc     sr, r0
+        or      #0xf0, r0
+        ldc     r0, sr
+        .endm
+
+        .macro  sti
+        mov     #0xf0, r11
+        extu.b  r11, r11
+        not     r11, r11
+        stc     sr, r10
+        and     r11, r10
+#ifdef CONFIG_HAS_SR_RB
+        stc     k_g_imask, r11
+        or      r11, r10
+#endif
+        ldc     r10, sr
+        .endm
+
+        .macro  get_current_thread_info, ti, tmp
+#ifdef CONFIG_HAS_SR_RB
+        stc     r7_bank, \ti
+#else
+        mov     #((THREAD_SIZE - 1)>> 8) ^ 0xff, \tmp
+        shll8   \tmp
+        mov     r15, \ti
+        and     \tmp, \ti
+#endif  
+        .endm
+