diff options
Diffstat (limited to 'sys/i386')
| -rw-r--r-- | sys/i386/i386/apic_vector.s | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/sys/i386/i386/apic_vector.s b/sys/i386/i386/apic_vector.s index 100ce90..86e78c4 100644 --- a/sys/i386/i386/apic_vector.s +++ b/sys/i386/i386/apic_vector.s @@ -60,18 +60,16 @@ IDTVEC(vec_name) ; \ FAKE_MCOUNT(TF_EIP(%esp)) ; \ movl lapic, %edx ; /* pointer to local APIC */ \ movl LA_ISR + 16 * (index)(%edx), %eax ; /* load ISR */ \ - bsrl %eax, %eax ; /* index of highset set bit in ISR */ \ - jz 2f ; \ + bsrl %eax, %eax ; /* index of highest set bit in ISR */ \ + jz 1f ; \ addl $(32 * index),%eax ; \ -1: ; \ pushl %esp ; \ pushl %eax ; /* pass the IRQ */ \ call lapic_handle_intr ; \ addl $8, %esp ; /* discard parameter */ \ +1: ; \ MEXITCOUNT ; \ - jmp doreti ; \ -2: movl $-1, %eax ; /* send a vector of -1 */ \ - jmp 1b + jmp doreti /* * Handle "spurious INTerrupts". |
