20 lines
396 B
ArmAsm
20 lines
396 B
ArmAsm
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/* insw() - Input a word array Author: Kees J. Bot */
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/* 18 Mar 1996 */
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/* void insw(U16_t port, void *buf, size_t count); */
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.text
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.globl _insw
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_insw:
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push %ebp
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movl %esp, %ebp
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cld
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push %edi
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movl 8(%ebp), %edx /* port */
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movl 12(%ebp), %edi /* buf */
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movl 16(%ebp), %ecx /* byte count */
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shrl $1, %ecx /* word count */
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rep insw /* input many words */
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pop %edi
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pop %ebp
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ret
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