31 lines
801 B
C
31 lines
801 B
C
/* The system call implemented in this file:
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* m_type: SYS_MEMSET
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*
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* The parameters for this system call are:
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* m5_l1: CP_SRC_ADDR (virtual address)
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* m5_l2: CP_DST_ADDR (returns physical address)
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* m5_l3: CP_NR_BYTES (size of datastructure)
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*/
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#include "../system.h"
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#if USE_MEMSET
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/*===========================================================================*
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* do_memset *
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*===========================================================================*/
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PUBLIC int do_memset(m_ptr)
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register message *m_ptr;
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{
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/* Handle sys_memset(). */
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unsigned long pat;
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unsigned char c = m_ptr->MEM_CHAR;
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pat = c | (c << 8) | (c << 16) | (c << 24);
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phys_fill((phys_bytes) m_ptr->MEM_PTR, (phys_bytes) m_ptr->MEM_COUNT, pat);
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return(OK);
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}
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#endif /* USE_MEMSET */
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