diff options
Diffstat (limited to 'arch/sh/boot/romimage/head.S')
| -rw-r--r-- | arch/sh/boot/romimage/head.S | 42 |
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 |