sh: First support code of SuperH.

[oweals/u-boot.git] / examples / stubs.c

diff --git a/examples/stubs.c b/examples/stubs.c
index 26df6e06a15ea58d8853fbbcd30ce3b14002581e..263dd8c3de97de2826587708656ae08ad1bf652a 100644 (file)
--- a/examples/stubs.c
+++ b/examples/stubs.c
@@ -151,6 +151,22 @@ gd_t *global_data;
                :                                       \
                : "i"(offsetof(gd_t, jt)), "i"(XF_ ##x) \
                : "r8");
+#elif defined(CONFIG_SH)
+/*
+ * r13 holds the pointer to the global_data. r1 is a call clobbered.
+ */
+#define EXPORT_FUNC(x)                  \
+        asm volatile (                  \
+               "       .align  2\n"                    \
+               "       .globl " #x "\n"                \
+               #x ":\n"                                \
+               "       mov     r13, r1\n"              \
+               "       add     %0, r1\n"               \
+               "       add     %1, r1\n"               \
+               "       jmp     @r1\n"                  \
+               "       nop\n"                          \
+               "       nop\n"                          \
+               : : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "r1");
 #else
 #error stubs definition missing for this architecture
 #endif