process.c (f4091322d7397c8eb85c071570cab0e82ee3e261) process.c (39d91a9eafec7524482e70af76ccbe803dce5b8e)
1/*
2 * OpenRISC process.c
3 *
4 * Linux architectural port borrowing liberally from similar works of
5 * others. All original copyrights apply as per the original source
6 * declaration.
7 *
8 * Modifications for the OpenRISC architecture:

--- 154 unchanged lines hidden (view full) ---

163 sp -= sizeof(struct pt_regs);
164 kregs = (struct pt_regs *)sp;
165
166 if (unlikely(p->flags & PF_KTHREAD)) {
167 memset(kregs, 0, sizeof(struct pt_regs));
168 kregs->gpr[20] = usp; /* fn, kernel thread */
169 kregs->gpr[22] = arg;
170 } else {
1/*
2 * OpenRISC process.c
3 *
4 * Linux architectural port borrowing liberally from similar works of
5 * others. All original copyrights apply as per the original source
6 * declaration.
7 *
8 * Modifications for the OpenRISC architecture:

--- 154 unchanged lines hidden (view full) ---

163 sp -= sizeof(struct pt_regs);
164 kregs = (struct pt_regs *)sp;
165
166 if (unlikely(p->flags & PF_KTHREAD)) {
167 memset(kregs, 0, sizeof(struct pt_regs));
168 kregs->gpr[20] = usp; /* fn, kernel thread */
169 kregs->gpr[22] = arg;
170 } else {
171 *userregs = *regs;
171 *userregs = *current_pt_regs();
172
172
173 userregs->sp = usp;
173 if (usp)
174 userregs->sp = usp;
174 userregs->gpr[11] = 0; /* Result from fork() */
175
176 kregs->gpr[20] = 0; /* Userspace thread */
177 }
178
179 /*
180 * _switch wants the kernel stack page in pt_regs->sp so that it
181 * can restore it to thread_info->ksp... see _switch for details.

--- 78 unchanged lines hidden --- 		175 userregs->gpr[11] = 0; /* Result from fork() */
176
177 kregs->gpr[20] = 0; /* Userspace thread */
178 }
179
180 /*
181 * _switch wants the kernel stack page in pt_regs->sp so that it
182 * can restore it to thread_info->ksp... see _switch for details.

--- 78 unchanged lines hidden ---