X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Fmips%2Fcpu%2Fmips64%2Fstart.S;h=471bc1eb663b52a335732732d396e75c6e1ddfc0;hb=e520023882c7187a7cbaecfea0726ea158440aef;hp=81df923bc349831f58d885e240dae5374ee97e0e;hpb=dd82128ef5e9fc660862a0a60423aa01a03de5d4;p=u-boot

diff --git a/arch/mips/cpu/mips64/start.S b/arch/mips/cpu/mips64/start.S
index 81df923bc3..471bc1eb66 100644
--- a/arch/mips/cpu/mips64/start.S
+++ b/arch/mips/cpu/mips64/start.S
@@ -134,9 +134,31 @@ reset:
 #endif
 
 	/* Set up temporary stack */
-	dli	sp, CONFIG_SYS_INIT_SP_ADDR
+	dli	t0, -16
+	dli	t1, CONFIG_SYS_INIT_SP_ADDR
+	and	sp, t1, t0		# force 16 byte alignment
+	dsub	sp, sp, GD_SIZE		# reserve space for gd
+	and	sp, sp, t0		# force 16 byte alignment
+	move	k0, sp			# save gd pointer
+#ifdef CONFIG_SYS_MALLOC_F_LEN
+	dli	t2, CONFIG_SYS_MALLOC_F_LEN
+	dsub	sp, sp, t2		# reserve space for early malloc
+	and	sp, sp, t0		# force 16 byte alignment
+#endif
 	move	fp, sp
 
+	/* Clear gd */
+	move	t0, k0
+1:
+	sw	zero, 0(t0)
+	blt	t0, t1, 1b
+	 daddi	t0, 4
+
+#ifdef CONFIG_SYS_MALLOC_F_LEN
+	daddu	t0, k0, GD_MALLOC_BASE	# gd->malloc_base offset
+	sw	sp, 0(t0)
+#endif
+
 	dla	t9, board_init_f
 	jr	t9
 	 move	ra, zero