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authorNobuhiro Iwamatsu <iwamatsu@rahute.(none)>2007-05-13 20:58:00 +0900
committerNobuhiro Iwamatsu <iwamatsu@rahute.(none)>2007-05-13 20:58:00 +0900
commit0b135cfc2e524dc249b75057b55dd4cc09842e27 (patch)
treea342e571738e4777bbb2b66246412e9d9aaa81c2 /examples
parentabca901869c3760b6c5fecb825db6c1d91a78a93 (diff)
sh: First support code of SuperH.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'examples')
-rw-r--r--examples/Makefile5
-rw-r--r--examples/stubs.c16
2 files changed, 21 insertions, 0 deletions
diff --git a/examples/Makefile b/examples/Makefile
index e9b4974be49..71a8c7f3ab9 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -61,6 +61,11 @@ ifeq ($(ARCH),avr32)
LOAD_ADDR = 0x00000000
endif
+ifeq ($(ARCH),sh)
+LOAD_ADDR = 0x8C000000
+endif
+
+
include $(TOPDIR)/config.mk
ELF = hello_world
diff --git a/examples/stubs.c b/examples/stubs.c
index 26df6e06a15..263dd8c3de9 100644
--- 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