| 28,6 → 28,8 |
|---|
| |
| ## very low and hardware-level functions |
| |
| # Mask for interrupts 0 - 31 (bits 0 - 31) where 0 means that int has no error word |
| # and 1 means interrupt with error word |
| #define ERROR_WORD_INTERRUPT_LIST 0x00027D00 |
| |
| .text |
| 113,6 → 115,8 |
|---|
| pop %es |
| pop %ds |
| |
| |
| # Test if this is interrupt with error word or not |
| mov $\i,%cl; |
| movl $1,%eax; |
| test $0xe0,%cl; |
| 122,13 → 126,15 |
|---|
| and $ERROR_WORD_INTERRUPT_LIST,%eax; |
| jz 0f; |
| |
| |
| # Return with error word |
| popa; |
| pop %ebp; |
| add $4,%esp; |
| add $4,%esp; # Skip error word |
| iret; |
| |
| 0: |
| |
| # Return with no error word |
| popa |
| pop %ebp |
| iret |