[U-Boot] [PATCH v4 5/9] arc: add support for standalone programs

[Alexey Brodkin]

Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com>

Cc: Vineet Gupta <vgupta at synopsys.com>
Cc: Francois Bedard <fbedard at synopsys.com>
Cc: Wolfgang Denk <wd at denx.de>
Cc: Heiko Schocher <hs at denx.de>
---
Changes for v4:

 * Clean-up of EXPORT_FUNC for ARC.

 examples/standalone/stubs.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/examples/standalone/stubs.c b/examples/standalone/stubs.c
index 32a19ce..c5c025d 100644
--- a/examples/standalone/stubs.c
+++ b/examples/standalone/stubs.c
@@ -210,6 +210,19 @@ gd_t *global_data;
 "	l.jr	r13\n"		\
 "	l.nop\n"				\
 	: : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "r13");
+#elif defined(CONFIG_ARC)
+/*
+ * r25 holds the pointer to the global_data. r10 is call clobbered.
+  */
+#define EXPORT_FUNC(x) \
+	asm volatile( \
+"	.align 4\n" \
+"	.globl " #x "\n" \
+#x ":\n" \
+"	ld	r10, [r25, %0]\n" \
+"	ld	r10, [r10, %1]\n" \
+"	j	[r10]\n" \
+	: : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "r10");
 #else
 /*"	addi	$sp, $sp, -24\n"	\
 "	br	$r16\n"			\*/
-- 
1.8.5.3