| /linux-master/arch/hexagon/kernel/ |
| H A D | process.c | 60 struct pt_regs *childregs; local
63 childregs = (struct pt_regs *) (((unsigned long) ti + THREAD_SIZE) -
64 sizeof(*childregs));
66 ti->regs = childregs;
74 ss = (struct hexagon_switch_stack *) ((unsigned long) childregs -
79 memset(childregs, 0, sizeof(struct pt_regs));
83 pt_set_kmode(childregs);
86 memcpy(childregs, current_pt_regs(), sizeof(*childregs));
90 pt_set_rte_sp(childregs, us
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| /linux-master/arch/microblaze/kernel/ |
| H A D | process.c | 60 struct pt_regs *childregs = task_pt_regs(p); local
66 memset(childregs, 0, sizeof(struct pt_regs));
68 ti->cpu_context.r1 = (unsigned long)childregs;
71 childregs->pt_mode = 1;
72 local_save_flags(childregs->msr);
73 ti->cpu_context.msr = childregs->msr & ~MSR_IE;
77 *childregs = *current_pt_regs();
79 childregs->r1 = usp;
82 ti->cpu_context.r1 = (unsigned long)childregs;
83 childregs
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| /linux-master/arch/csky/kernel/ |
| H A D | process.c | 39 struct pt_regs *childregs = task_pt_regs(p); local
45 childstack = ((struct switch_stack *) childregs) - 1;
52 memset(childregs, 0, sizeof(struct pt_regs));
56 childregs->sr = mfcr("psr");
58 *childregs = *(current_pt_regs());
60 childregs->usp = usp;
62 task_thread_info(p)->tp_value = childregs->tls
65 childregs->a0 = 0;
|
| /linux-master/arch/sh/kernel/ |
| H A D | process_32.c | 96 struct pt_regs *childregs; local
112 childregs = task_pt_regs(p);
113 p->thread.sp = (unsigned long) childregs;
115 memset(childregs, 0, sizeof(struct pt_regs));
117 childregs->regs[4] = (unsigned long) args->fn_arg;
118 childregs->regs[5] = (unsigned long) args->fn;
119 childregs->sr = SR_MD;
121 childregs->sr |= SR_FD;
127 *childregs = *current_pt_regs();
130 childregs
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| /linux-master/arch/xtensa/kernel/ |
| H A D | process.c | 232 * in the clone_flags) and set up passed usp in the childregs.
236 * childregs are not used for the kernel threads.
241 * | childregs |
254 * childregs.
272 struct pt_regs *childregs = task_pt_regs(p); local
279 /* Create a call4 dummy-frame: a0 = 0, a1 = childregs. */
280 SPILL_SLOT(childregs, 1) = (unsigned long)childregs;
281 SPILL_SLOT(childregs, 0) = 0;
283 p->thread.sp = (unsigned long)childregs;
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| /linux-master/arch/s390/kernel/ |
| H A D | process.c | 121 struct pt_regs childregs; member in struct:fake_frame
124 frame = container_of(task_pt_regs(p), struct fake_frame, childregs);
143 frame->sf.gprs[11 - 6] = (unsigned long)&frame->childregs;
153 memset(&frame->childregs, 0, sizeof(struct pt_regs));
154 frame->childregs.psw.mask = PSW_KERNEL_BITS | PSW_MASK_IO |
156 frame->childregs.gprs[9] = (unsigned long)args->fn;
157 frame->childregs.gprs[10] = (unsigned long)args->fn_arg;
158 frame->childregs.orig_gpr2 = -1;
159 frame->childregs.last_break = 1;
162 frame->childregs
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| /linux-master/arch/loongarch/kernel/ |
| H A D | process.c | 150 struct pt_regs *childregs, *regs = current_pt_regs(); local
155 childregs = (struct pt_regs *) childksp - 1;
157 childksp = (unsigned long) childregs;
170 memset(childregs, 0, sizeof(struct pt_regs));
171 childregs->csr_euen = p->thread.csr_euen;
172 childregs->csr_crmd = p->thread.csr_crmd;
173 childregs->csr_prmd = p->thread.csr_prmd;
174 childregs->csr_ecfg = p->thread.csr_ecfg;
179 *childregs = *regs;
180 childregs
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| /linux-master/arch/nios2/kernel/ |
| H A D | process.c | 107 struct pt_regs *childregs = task_pt_regs(p); local
111 ((struct switch_stack *)childregs) - 1;
120 childregs->estatus = STATUS_PIE;
121 childregs->sp = (unsigned long) childstack;
124 p->thread.kregs = childregs;
129 *childregs = *regs;
130 childregs->r2 = 0; /* Set the return value for the child. */
131 childregs->r7 = 0;
136 p->thread.kregs = childregs;
140 childregs
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| /linux-master/arch/sparc/kernel/ |
| H A D | process_32.c | 267 struct pt_regs *childregs, *regs = current_pt_regs(); local
281 * p->thread_info new_stack childregs stack bottom
288 childregs = (struct pt_regs *) (new_stack + STACKFRAME_SZ);
298 p->thread.kregs = childregs;
305 childregs->u_regs[UREG_G1] = (unsigned long) args->fn;
306 childregs->u_regs[UREG_G2] = (unsigned long) args->fn_arg;
307 psr = childregs->psr = get_psr();
313 childregs->u_regs[UREG_FP] = sp;
345 childregs->u_regs[UREG_FP] = (unsigned long)childstack;
350 childregs
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| /linux-master/arch/riscv/kernel/ |
| H A D | process.c | 200 struct pt_regs *childregs = task_pt_regs(p); local
207 memset(childregs, 0, sizeof(struct pt_regs));
209 childregs->status = SR_PP | SR_PIE;
214 *childregs = *(current_pt_regs());
216 riscv_v_vstate_off(childregs);
218 childregs->sp = usp;
220 childregs->tp = tls;
221 childregs->a0 = 0; /* Return value of fork() */
228 p->thread.sp = (unsigned long)childregs; /* kernel sp */
|
| /linux-master/arch/alpha/kernel/ |
| H A D | process.c | 241 struct pt_regs *childregs = task_pt_regs(p); local
245 childstack = ((struct switch_stack *) childregs) - 1;
257 childregs->hae = alpha_mv.hae_cache;
272 *childregs = *regs;
273 childregs->r0 = 0;
274 childregs->r19 = 0;
275 childregs->r20 = 1; /* OSF/1 has some strange fork() semantics. */
|
| /linux-master/arch/arm/kernel/ |
| H A D | process.c | 241 struct pt_regs *childregs = task_pt_regs(p); local
256 *childregs = *current_pt_regs();
257 childregs->ARM_r0 = 0;
259 childregs->ARM_sp = stack_start;
261 memset(childregs, 0, sizeof(struct pt_regs));
264 childregs->ARM_cpsr = SVC_MODE;
267 thread->cpu_context.sp = (unsigned long)childregs;
|
| /linux-master/arch/arm64/kernel/ |
| H A D | process.c | 347 struct pt_regs *childregs = task_pt_regs(p); local
363 *childregs = *current_pt_regs();
364 childregs->regs[0] = 0;
376 childregs->compat_sp = stack_start;
378 childregs->sp = stack_start;
394 * When a user task is created from a kthread, childregs will
397 memset(childregs, 0, sizeof(struct pt_regs));
398 childregs->pstate = PSR_MODE_EL1h | PSR_IL_BIT;
404 p->thread.cpu_context.sp = (unsigned long)childregs;
406 * For the benefit of the unwinder, set up childregs
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| /linux-master/arch/mips/kernel/ |
| H A D | process.c | 114 struct pt_regs *childregs, *regs = current_pt_regs(); local
120 childregs = (struct pt_regs *) childksp - 1;
122 childksp = (unsigned long) childregs;
140 memset(childregs, 0, sizeof(struct pt_regs));
151 childregs->cp0_status = status;
156 *childregs = *regs;
157 childregs->regs[7] = 0; /* Clear error flag */
158 childregs->regs[2] = 0; /* Child gets zero as return value */
160 childregs->regs[29] = usp;
162 p->thread.reg29 = (unsigned long) childregs;
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| /linux-master/arch/x86/kernel/ |
| H A D | process.c | 166 struct pt_regs *childregs; local
170 childregs = task_pt_regs(p);
171 fork_frame = container_of(childregs, struct fork_frame, regs);
174 frame->bp = encode_frame_pointer(childregs);
194 p->thread.sp0 = (unsigned long) (childregs + 1);
219 memset(childregs, 0, sizeof(struct pt_regs));
231 *childregs = *current_pt_regs();
232 childregs->ax = 0;
234 childregs->sp = sp;
247 childregs
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| /linux-master/arch/powerpc/kernel/ |
| H A D | process.c | 1773 struct pt_regs *childregs; local
1779 childregs = (struct pt_regs *)(sp + STACK_INT_FRAME_REGS);
1789 memset(childregs, 0, sizeof(struct pt_regs));
1791 childregs->softe = IRQS_ENABLED;
1800 *childregs = *regs;
1802 childregs->gpr[1] = usp;
1803 ((unsigned long *)sp)[0] = childregs->gpr[1];
1805 WARN_ON_ONCE(childregs->softe != IRQS_ENABLED);
1811 childregs->gpr[13] = tls;
1813 childregs
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