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Update some comments, s0 in the pcb of a child returning from fork1() is

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now passed in as a0 to fork_exit() and and s2 is passed in as a1.
This commit is contained in:
John Baldwin 2001-01-26 23:32:38 +00:00
parent 7f42e5bb07
commit a0346459f1
3 changed files with 6 additions and 6 deletions
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4
sys/alpha/alpha/vm_machdep.c
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@ -204,10 +204,10 @@ cpu_fork(p1, p2, flags)
*/
up->u_pcb.pcb_hw.apcb_ksp = (u_int64_t)p2tf;
up->u_pcb.pcb_context[0] =
(u_int64_t)fork_return; /* s0: pc */
(u_int64_t)fork_return; /* s0: a0 */
up->u_pcb.pcb_context[1] =
(u_int64_t)exception_return; /* s1: ra */
up->u_pcb.pcb_context[2] = (u_long) p2; /* s2: a0 */
up->u_pcb.pcb_context[2] = (u_long) p2; /* s2: a1 */
up->u_pcb.pcb_context[7] =
(u_int64_t)switch_trampoline; /* ra: assembly magic */

4
sys/powerpc/aim/vm_machdep.c
View file

@ -204,10 +204,10 @@ cpu_fork(p1, p2, flags)
*/
up->u_pcb.pcb_hw.apcb_ksp = (u_int64_t)p2tf;
up->u_pcb.pcb_context[0] =
(u_int64_t)fork_return; /* s0: pc */
(u_int64_t)fork_return; /* s0: a0 */
up->u_pcb.pcb_context[1] =
(u_int64_t)exception_return; /* s1: ra */
up->u_pcb.pcb_context[2] = (u_long) p2; /* s2: a0 */
up->u_pcb.pcb_context[2] = (u_long) p2; /* s2: a1 */
up->u_pcb.pcb_context[7] =
(u_int64_t)switch_trampoline; /* ra: assembly magic */

4
sys/powerpc/powerpc/vm_machdep.c
View file

@ -204,10 +204,10 @@ cpu_fork(p1, p2, flags)
*/
up->u_pcb.pcb_hw.apcb_ksp = (u_int64_t)p2tf;
up->u_pcb.pcb_context[0] =
(u_int64_t)fork_return; /* s0: pc */
(u_int64_t)fork_return; /* s0: a0 */
up->u_pcb.pcb_context[1] =
(u_int64_t)exception_return; /* s1: ra */
up->u_pcb.pcb_context[2] = (u_long) p2; /* s2: a0 */
up->u_pcb.pcb_context[2] = (u_long) p2; /* s2: a1 */
up->u_pcb.pcb_context[7] =
(u_int64_t)switch_trampoline; /* ra: assembly magic */