| 55,6 → 55,9 |
|---|
| |
| void smp_init(void) |
| { |
| int status; |
| __address l_apic_address, io_apic_address; |
| |
| if (acpi_madt) { |
| acpi_madt_parse(); |
| ops = &madt_config_operations; |
| 64,11 → 67,22 |
|---|
| ops = &mps_config_operations; |
| } |
| |
| l_apic_address = PA2KA(PFN2ADDR(frame_alloc_rc(ONE_FRAME, FRAME_ATOMIC | FRAME_KA, &status))); |
| if (status != FRAME_OK) |
| panic("cannot allocate address for l_apic\n"); |
| |
| io_apic_address = PA2KA(PFN2ADDR(frame_alloc_rc(ONE_FRAME, FRAME_ATOMIC | FRAME_KA, &status))); |
| if (status != FRAME_OK) |
| panic("cannot allocate address for io_apic\n"); |
| |
| if (config.cpu_count > 1) { |
| page_mapping_insert(AS_KERNEL, (__address) l_apic, (__address) l_apic, |
| page_mapping_insert(AS_KERNEL, l_apic_address, (__address) l_apic, |
| PAGE_NOT_CACHEABLE); |
| page_mapping_insert(AS_KERNEL, (__address) io_apic, (__address) io_apic, |
| page_mapping_insert(AS_KERNEL, io_apic_address, (__address) io_apic, |
| PAGE_NOT_CACHEABLE); |
| |
| l_apic = (__u32 *) l_apic_address; |
| io_apic = (__u32 *) io_apic_address; |
| } |
| |
| /* |