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https://opencores.org/ocsvn/or1k/or1k/trunk
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1325 |
phoenix |
/* Any assmbly language/system dependent hacks needed to setup boot1.c so it
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* will work as expected and cope with whatever platform specific wierdness is
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* needed for this architecture.
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*/
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asm("" \
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" .section .text..SHmedia32,\"ax\"\n" \
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" .globl _dl_boot\n" \
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" .type _dl_boot, @function\n" \
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" .align 5\n" \
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"_dl_boot:\n" \
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" ! Set r12 to point to GOT\n" \
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" movi (((datalabel _GLOBAL_OFFSET_TABLE_-(.LZZZ3-.)) >> 16) & 65535), r12\n" \
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" shori ((datalabel _GLOBAL_OFFSET_TABLE_-(.LZZZ3-.)) & 65535), r12\n" \
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".LZZZ3:\n" \
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" ptrel/u r12, tr0\n" \
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" gettr tr0, r12 ! GOT address\n" \
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" add r18, r63, r11 ! save return address - needed?\n" \
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" add r15, r63, r2 ! arg = stack pointer\n" \
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" pt _dl_boot2, tr0 ! should work even if PIC\n" \
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" blink tr0, r18 ! call _dl_boot2 - user EP is in r2\n" \
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);
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#define _dl_boot _dl_boot2
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#define LD_BOOT(X) static void * __attribute__ ((unused)) _dl_boot (X)
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