| 54,17 → 54,18 |
|---|
| * @param in0 Userspace entry point address. |
| * @param in1 Userspace stack pointer address. |
| * @param in2 Userspace register stack pointer address. |
| * @param in3 Value to be stored in IPSR. |
| * @param in4 Value to be stored in RSC. |
| * @param in3 Userspace address of thread uspace_arg_t structure. |
| * @param in4 Value to be stored in IPSR. |
| * @param in5 Value to be stored in RSC. |
| */ |
| .global switch_to_userspace |
| switch_to_userspace: |
| alloc loc0 = ar.pfs, 5, 3, 0, 0 |
| alloc loc0 = ar.pfs, 6, 3, 0, 0 |
| rsm (PSR_IC_MASK | PSR_I_MASK) /* disable interruption collection and interrupts */ |
| srlz.d ;; |
| srlz.i ;; |
| |
| mov cr.ipsr = in3 |
| mov cr.ipsr = in4 |
| mov cr.iip = in0 |
| mov r12 = in1 |
| |
| 84,6 → 85,8 |
|---|
| flushrs ;; |
| |
| mov ar.bspstore = in2 ;; |
| mov ar.rsc = in4 ;; |
| mov ar.rsc = in5 ;; |
| |
| mov r8 = in3 |
| |
| rfi ;; |