| 34,12 → 34,55 |
|---|
| |
| #include <arch/mm/as.h> |
| #include <genarch/mm/as_pt.h> |
| #include <genarch/mm/asid_fifo.h> |
| #include <arch.h> |
| |
| /** Architecture dependent address space init. */ |
| void as_arch_init(void) |
| { |
| as_operations = &as_pt_operations; |
| asid_fifo_init(); |
| } |
| |
| /** Install address space. |
| * |
| * Install ASID. |
| * |
| * @param as Address space structure. |
| * |
| */ |
| void as_install_arch(as_t *as) |
| { |
| asid_t asid; |
| ipl_t ipl; |
| __u8 sr; |
| |
| ipl = interrupts_disable(); |
| spinlock_lock(&as->lock); |
| |
| asid = as->asid; |
| |
| /* Lower 2 GB, user and supervisor access */ |
| for (sr = 0; sr < 8; sr++) { |
| asm volatile ( |
| "mtsrin %0, %1\n" |
| : |
| : "r" (0x6000 + (asid << 4) + sr), "r" (sr * 0x1000) |
| ); |
| } |
| |
| /* Upper 2 GB, only supervisor access */ |
| for (sr = 8; sr < 16; sr++) { |
| asm volatile ( |
| "mtsrin %0, %1\n" |
| : |
| : "r" (0x4000 + (asid << 4) + sr), "r" (sr * 0x1000) |
| ); |
| } |
| |
| spinlock_unlock(&as->lock); |
| interrupts_restore(ipl); |
| } |
| |
| /** @} |
| */ |