sh: allow romImage data between head.S and the zero page
Extend the romImage code to allow putting data between the head.S file and the empty_zero_page. Needed in the case of more advanced loader code in a separate C file. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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@ -13,7 +13,9 @@ romstart:
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#include <mach/romimage.h>
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/* copy the empty_zero_page contents to where vmlinux expects it */
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mova empty_zero_page_src, r0
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mova extra_data_pos, r0
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mov.l extra_data_size, r1
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add r1, r0
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mov.l empty_zero_page_dst, r1
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mov #(PAGE_SHIFT - 4), r4
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mov #1, r3
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@ -37,7 +39,9 @@ romstart:
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mov #PAGE_SHIFT, r4
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mov #1, r1
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shld r4, r1
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mova empty_zero_page_src, r0
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mova extra_data_pos, r0
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add r1, r0
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mov.l extra_data_size, r1
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add r1, r0
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jmp @r0
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nop
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@ -45,4 +49,6 @@ romstart:
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.align 2
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empty_zero_page_dst:
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.long _text
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empty_zero_page_src:
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extra_data_pos:
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extra_data_size:
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.long zero_page_pos - extra_data_pos
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@ -1,6 +1,7 @@
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SECTIONS
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{
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.text : {
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zero_page_pos = .;
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*(.data)
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}
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}
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