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63 lines
1.1 KiB
C
63 lines
1.1 KiB
C
/**************************************************
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*
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* Code that performs zero initialization of global data.
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* New style init table.
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*
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* Copyright 2008 IAR Systems. All rights reserved.
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*
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* $Revision: 45563 $
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*
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**************************************************/
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#include "data_init3.h"
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#pragma language=extended
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#pragma build_attribute vfpcc_compatible
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#pragma build_attribute arm_thumb_compatible
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#pragma build_attribute ropi_compatible
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#pragma build_attribute rwpi_compatible
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/* Format:
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Size1
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DestAddr1 (abs or SBrel)
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Size2
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DestAddr2 (abs or SBrel)
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...
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0
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*/
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__no_init uint32_t __iar_SB @ r9;
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init_fun_t __iar_zero_init2;
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#pragma type_attribute=__thumb __interwork
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uint32_t const *
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__iar_zero_init3(uint32_t const * p);
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#pragma type_attribute=__thumb __interwork
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uint32_t const *
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__iar_zero_init3(uint32_t const * p)
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{
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uint32_t size;
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while ((size = *p++) != 0)
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{
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uint32_t d = *p++;
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uint32_t * dest;
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if( d & 1 )
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{
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d -= 1;
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d += __iar_SB;
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}
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dest = (uint32_t*)d;
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do
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{
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*dest++ = 0;
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size -= 4;
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} while (size != 0);
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}
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return p;
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}
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