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Diffstat (limited to 'arch/mips/cpu/mips64/start.S')
-rw-r--r--arch/mips/cpu/mips64/start.S24
1 files changed, 23 insertions, 1 deletions
diff --git a/arch/mips/cpu/mips64/start.S b/arch/mips/cpu/mips64/start.S
index 81df923..471bc1e 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