30 lines
848 B
C
30 lines
848 B
C
/* The kernel 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 kernel call are:
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* m2_p1: MEM_PTR (virtual address)
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* m2_l1: MEM_COUNT (returns physical address)
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* m2_l2: MEM_PATTERN (pattern byte to be written)
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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(). This writes a pattern into the specified memory. */
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unsigned long p;
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unsigned char c = m_ptr->MEM_PATTERN;
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p = c | (c << 8) | (c << 16) | (c << 24);
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phys_memset((phys_bytes) m_ptr->MEM_PTR, p, (phys_bytes) m_ptr->MEM_COUNT);
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return(OK);
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}
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#endif /* USE_MEMSET */
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