| /SPARTAN/trunk/arch/ia32/src/asm.S |
|---|
| 157,39 → 157,6 |
| h_end: |
| ## I/O input (byte) |
| # |
| # Get a byte from I/O port and store it AL. |
| # |
| inb: |
| xorl %eax,%eax |
| movl 4(%esp),%edx |
| inb %dx,%al |
| ret |
| ## I/O input (word) |
| # |
| # Get a word from I/O port and store it AX. |
| # |
| inw: |
| xorl %eax,%eax |
| movl 4(%esp),%edx |
| inw %dx,%ax |
| ret |
| ## I/O input (dword) |
| # |
| # Get a dword from I/O port and store it EAX. |
| # |
| inl: |
| xorl %eax,%eax |
| movl 4(%esp),%edx |
| inl %dx,%eax |
| ret |
| ## Copy memory |
| # |
| # Copy a given number of bytes (3rd argument) |