diff mbox

[U-Boot,v2,5/9] arc: add support for standalone programs

Message ID 1391011745-22239-6-git-send-email-abrodkin@synopsys.com
State Superseded
Delegated to: Tom Rini
Headers show

Commit Message

Alexey Brodkin Jan. 29, 2014, 4:09 p.m. UTC 
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>

Cc: Mischa Jonker <mjonker@synopsys.com>
Cc: Francois Bedard <fbedard@synopsys.com>

No changes for v2.
---
 examples/standalone/stubs.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)
diff mbox

Patch

diff --git a/examples/standalone/stubs.c b/examples/standalone/stubs.c
index 32a19ce..9346bc2 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"			\*/