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Viewing changes to kernel/arch/amd64/src/delay.S

  • Committer: Vojtech Horky
  • Date: 2017-02-13 11:51:33 UTC
  • mfrom: (2103.1.479 HelenOS.clean)
  • Revision ID: vojtechhorky@users.sourceforge.net-20170213115133-j4tgzq0p3xmioj8c
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kernel/arch/amd64/src/delay.S
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# Micro second delay loop functions.
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#
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#include <abi/asmtool.h>
 
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.text
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.global asm_delay_loop
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.global asm_fake_loop
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asm_delay_loop:
 
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FUNCTION_BEGIN(asm_delay_loop)
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        0:
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                dec %rdi
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                jnz 0b
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        ret
 
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FUNCTION_END(asm_delay_loop)
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asm_fake_loop:
 
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FUNCTION_BEGIN(asm_fake_loop)
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        0:
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                dec %rdi
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                jz 0b
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        ret
 
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FUNCTION_END(asm_fake_loop)
 
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