summaryrefslogtreecommitdiffstats
path: root/arch/sh/boot/romimage/head.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/boot/romimage/head.S')
-rw-r--r--arch/sh/boot/romimage/head.S42
1 files changed, 39 insertions, 3 deletions
diff --git a/arch/sh/boot/romimage/head.S b/arch/sh/boot/romimage/head.S
index 93e779a405e..4671d1b8215 100644
--- a/arch/sh/boot/romimage/head.S
+++ b/arch/sh/boot/romimage/head.S
@@ -12,8 +12,40 @@ romstart:
/* include board specific setup code */
#include <mach/romimage.h>
+#ifdef CONFIG_ROMIMAGE_MMCIF
+ /* load the romImage to above the empty zero page */
+ mov.l empty_zero_page_dst, r4
+ mov.l empty_zero_page_dst_adj, r5
+ add r5, r4
+ mov.l bytes_to_load, r5
+ mov.l loader_function, r7
+ jsr @r7
+ mov r4, r15
+
+ mov.l empty_zero_page_dst, r4
+ mov.l empty_zero_page_dst_adj, r5
+ add r5, r4
+ mov.l loaded_code_offs, r5
+ add r5, r4
+ jmp @r4
+ nop
+
+ .balign 4
+empty_zero_page_dst_adj:
+ .long PAGE_SIZE
+bytes_to_load:
+ .long end_data - romstart
+loader_function:
+ .long mmcif_loader
+loaded_code_offs:
+ .long loaded_code - romstart
+loaded_code:
+#endif /* CONFIG_ROMIMAGE_MMCIF */
+
/* copy the empty_zero_page contents to where vmlinux expects it */
- mova empty_zero_page_src, r0
+ mova extra_data_pos, r0
+ mov.l extra_data_size, r1
+ add r1, r0
mov.l empty_zero_page_dst, r1
mov #(PAGE_SHIFT - 4), r4
mov #1, r3
@@ -37,7 +69,9 @@ romstart:
mov #PAGE_SHIFT, r4
mov #1, r1
shld r4, r1
- mova empty_zero_page_src, r0
+ mova extra_data_pos, r0
+ add r1, r0
+ mov.l extra_data_size, r1
add r1, r0
jmp @r0
nop
@@ -45,4 +79,6 @@ romstart:
.align 2
empty_zero_page_dst:
.long _text
-empty_zero_page_src:
+extra_data_pos:
+extra_data_size:
+ .long zero_page_pos - extra_data_pos