| 78,10 → 78,37 |
|---|
| # and call exc_dispatch(). |
| # |
| .macro handler i n |
| push %ebp |
| movl %esp,%ebp |
| push %eax |
| |
| # Test if this is interrupt with error word or not |
| movl $(1<<\i), %eax |
| andl $ERROR_WORD_INTERRUPT_LIST,%eax |
| |
| /* |
| * If this interrupt/exception stores error word, |
| * we need to pop EAX. |
| * If this interrupt doesn't store error word, we emulate it |
| * for the sake of consistent pstate structure. In that case |
| * we merely leave the EAX on the stack. |
| */ |
| jz 0f |
| |
| /* |
| * This exception stores error word. |
| */ |
| pop %eax |
| jmp 1f |
| |
| 0: |
| /* |
| * This interrupt doesn't store error word. |
| * Just restore EAX without doing POP. |
| */ |
| movl (%esp), %eax |
| |
| 1: |
| pusha |
| |
| movl %esp, %ebp |
| push %ds |
| push %es |
| |
| 92,7 → 119,6 |
|---|
| |
| movl $(\i),%edi |
| pushl %ebp |
| addl $4,(%esp) |
| pushl %edi |
| call exc_dispatch |
| addl $8,%esp |
| 100,8 → 126,7 |
|---|
| pop %es |
| pop %ds |
| |
| |
| # CLNT |
| # Clear Nested Task flag. |
| pushfl |
| pop %eax |
| and $0xFFFFBFFF,%eax |
| 108,31 → 133,10 |
|---|
| push %eax |
| popfl |
| |
| |
| |
| # Test if this is interrupt with error word or not |
| mov $\i,%cl |
| movl $1,%eax |
| test $0xe0,%cl |
| jnz 0f |
| and $0x1f,%cl |
| shl %cl,%eax |
| and $ERROR_WORD_INTERRUPT_LIST,%eax |
| jz 0f |
| |
| |
| # Return with error word |
| popa |
| pop %ebp |
| add $4,%esp # Skip error word |
| add $4,%esp # Skip error word, whether real or fake. |
| iret |
| |
| 0: |
| # Return with no error word |
| popa |
| pop %ebp |
| iret |
| |
| .if (\n-\i)-1 |
| handler "(\i+1)",\n |
| .endif |