Searched refs:childregs (Results 1 - 26 of 26) sorted by relevance

/linux-4.1.27/arch/microblaze/kernel/
H A Dprocess.c57 struct pt_regs *childregs = task_pt_regs(p); copy_thread() local
63 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
65 ti->cpu_context.r1 = (unsigned long)childregs; copy_thread()
68 childregs->pt_mode = 1; copy_thread()
69 local_save_flags(childregs->msr); copy_thread()
71 ti->cpu_context.msr = childregs->msr & ~MSR_IE; copy_thread()
76 *childregs = *current_pt_regs(); copy_thread()
78 childregs->r1 = usp; copy_thread()
81 ti->cpu_context.r1 = (unsigned long)childregs; copy_thread()
83 ti->cpu_context.msr = (unsigned long)childregs->msr; copy_thread()
85 childregs->msr |= MSR_UMS; copy_thread()
87 /* we should consider the fact that childregs is a copy of the parent copy_thread()
97 childregs->msr &= ~MSR_EIP; copy_thread()
98 childregs->msr |= MSR_IE; copy_thread()
99 childregs->msr &= ~MSR_VM; copy_thread()
100 childregs->msr |= MSR_VMS; copy_thread()
101 childregs->msr |= MSR_EE; /* exceptions will be enabled*/ copy_thread()
103 ti->cpu_context.msr = (childregs->msr|MSR_VM); copy_thread()
114 childregs->r21 = childregs->r10; copy_thread()
/linux-4.1.27/arch/c6x/kernel/
H A Dprocess.c117 struct pt_regs *childregs; copy_thread() local
119 childregs = task_pt_regs(p); copy_thread()
123 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
124 childregs->sp = (unsigned long)(childregs + 1); copy_thread()
126 childregs->a0 = usp; /* function */ copy_thread()
127 childregs->a1 = ustk_size; /* argument */ copy_thread()
130 *childregs = *current_pt_regs(); copy_thread()
132 childregs->sp = usp; copy_thread()
137 p->thread.usp = childregs->sp; copy_thread()
138 thread_saved_ksp(p) = (unsigned long)childregs - 8; copy_thread()
148 childregs->dp = dp; copy_thread()
/linux-4.1.27/arch/sh/kernel/
H A Dprocess_32.c130 struct pt_regs *childregs; copy_thread() local
146 childregs = task_pt_regs(p); copy_thread()
147 p->thread.sp = (unsigned long) childregs; copy_thread()
149 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
151 childregs->regs[4] = arg; copy_thread()
152 childregs->regs[5] = usp; copy_thread()
153 childregs->sr = SR_MD; copy_thread()
155 childregs->sr |= SR_FD; copy_thread()
162 *childregs = *current_pt_regs(); copy_thread()
165 childregs->regs[15] = usp; copy_thread()
169 childregs->gbr = childregs->regs[0]; copy_thread()
171 childregs->regs[0] = 0; /* Set return value for child */ copy_thread()
H A Dprocess_64.c377 struct pt_regs *childregs; copy_thread() local
390 childregs = (struct pt_regs *)(THREAD_SIZE + task_stack_page(p)) - 1; copy_thread()
391 p->thread.sp = (unsigned long) childregs; copy_thread()
394 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
395 childregs->regs[2] = (unsigned long)arg; copy_thread()
396 childregs->regs[3] = (unsigned long)usp; copy_thread()
397 childregs->sr = (1 << 30); /* not user_mode */ copy_thread()
398 childregs->sr |= SR_FD; /* Invalidate FPU flag */ copy_thread()
402 *childregs = *current_pt_regs(); copy_thread()
411 childregs->regs[15] = neff_sign_extend(usp); copy_thread()
412 p->thread.uregs = childregs; copy_thread()
414 childregs->regs[9] = 0; /* Set return value for child */ copy_thread()
415 childregs->sr |= SR_FD; /* Invalidate FPU flag */ copy_thread()
/linux-4.1.27/arch/frv/kernel/
H A Dprocess.c132 struct pt_regs *childregs; copy_thread() local
134 childregs = (struct pt_regs *) copy_thread()
138 *childregs = *current_pt_regs(); copy_thread()
140 p->thread.frame = childregs; copy_thread()
142 p->thread.sp = (unsigned long) childregs; copy_thread()
145 p->thread.frame0 = childregs; copy_thread()
148 childregs->gr9 = usp; /* function */ copy_thread()
149 childregs->gr8 = arg; copy_thread()
155 childregs->sp = usp; copy_thread()
156 childregs->next_frame = NULL; copy_thread()
162 childregs->gr29 = childregs->gr12; copy_thread()
/linux-4.1.27/arch/xtensa/kernel/
H A Dprocess.c156 * in the clone_flags) and set up passed usp in the childregs.
160 * childregs are not used for the kernel threads.
165 * | childregs |
178 * childregs.
194 struct pt_regs *childregs = task_pt_regs(p); copy_thread() local
200 /* Create a call4 dummy-frame: a0 = 0, a1 = childregs. */ copy_thread()
201 *((int*)childregs - 3) = (unsigned long)childregs; copy_thread()
202 *((int*)childregs - 4) = 0; copy_thread()
204 p->thread.sp = (unsigned long)childregs; copy_thread()
218 *childregs = *regs; copy_thread()
219 childregs->areg[1] = usp; copy_thread()
220 childregs->areg[2] = 0; copy_thread()
237 int len = childregs->wmask & ~0xf; copy_thread()
244 childregs->wmask = 1; copy_thread()
245 childregs->windowstart = 1; copy_thread()
246 childregs->windowbase = 0; copy_thread()
248 int len = childregs->wmask & ~0xf; copy_thread()
249 memcpy(&childregs->areg[XCHAL_NUM_AREGS - len/4], copy_thread()
255 childregs->threadptr = childregs->areg[5]; copy_thread()
263 *((int *)childregs - 1) = thread_fn_arg; copy_thread()
264 *((int *)childregs - 2) = usp_thread_fn; copy_thread()
/linux-4.1.27/arch/score/kernel/
H A Dprocess.c75 struct pt_regs *childregs = task_pt_regs(p); copy_thread() local
78 p->thread.reg0 = (unsigned long) childregs; copy_thread()
80 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
85 *childregs = *current_pt_regs(); copy_thread()
86 childregs->regs[7] = 0; /* Clear error flag */ copy_thread()
87 childregs->regs[4] = 0; /* Child gets zero as return value */ copy_thread()
89 childregs->regs[0] = usp; /* user fork */ copy_thread()
/linux-4.1.27/arch/s390/kernel/
H A Dprocess.c95 struct pt_regs childregs; copy_thread() member in struct:fake_frame
98 frame = container_of(task_pt_regs(p), struct fake_frame, childregs); copy_thread()
122 memset(&frame->childregs, 0, sizeof(struct pt_regs)); copy_thread()
123 frame->childregs.psw.mask = PSW_KERNEL_BITS | PSW_MASK_DAT | copy_thread()
125 frame->childregs.psw.addr = PSW_ADDR_AMODE | copy_thread()
127 frame->childregs.gprs[9] = new_stackp; /* function */ copy_thread()
128 frame->childregs.gprs[10] = arg; copy_thread()
129 frame->childregs.gprs[11] = (unsigned long) do_exit; copy_thread()
130 frame->childregs.orig_gpr2 = -1; copy_thread()
134 frame->childregs = *current_pt_regs(); copy_thread()
135 frame->childregs.gprs[2] = 0; /* child returns 0 on fork. */ copy_thread()
136 frame->childregs.flags = 0; copy_thread()
138 frame->childregs.gprs[15] = new_stackp; copy_thread()
143 frame->childregs.psw.mask &= ~PSW_MASK_RI; copy_thread()
152 unsigned long tls = frame->childregs.gprs[6]; copy_thread()
/linux-4.1.27/arch/m32r/kernel/
H A Dprocess.c134 struct pt_regs *childregs = task_pt_regs(tsk); copy_thread() local
139 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
140 childregs->psw = M32R_PSW_BIE; copy_thread()
141 childregs->r1 = spu; /* fn */ copy_thread()
142 childregs->r0 = arg; copy_thread()
146 *childregs = *current_pt_regs(); copy_thread()
148 childregs->spu = spu; copy_thread()
149 childregs->r0 = 0; /* Child gets zero as return value */ copy_thread()
152 tsk->thread.sp = (unsigned long)childregs; copy_thread()
/linux-4.1.27/arch/hexagon/kernel/
H A Dprocess.c76 struct pt_regs *childregs; copy_thread() local
79 childregs = (struct pt_regs *) (((unsigned long) ti + THREAD_SIZE) - copy_thread()
80 sizeof(*childregs)); copy_thread()
82 ti->regs = childregs; copy_thread()
90 ss = (struct hexagon_switch_stack *) ((unsigned long) childregs - copy_thread()
95 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
99 pt_set_kmode(childregs); copy_thread()
102 memcpy(childregs, current_pt_regs(), sizeof(*childregs)); copy_thread()
106 pt_set_rte_sp(childregs, usp); copy_thread()
109 childregs->r00 = 0; copy_thread()
121 childregs->ugp = childregs->r04; copy_thread()
/linux-4.1.27/arch/x86/kernel/
H A Dprocess_32.c135 struct pt_regs *childregs = task_pt_regs(p); copy_thread() local
139 p->thread.sp = (unsigned long) childregs; copy_thread()
140 p->thread.sp0 = (unsigned long) (childregs+1); copy_thread()
145 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
148 childregs->ds = __USER_DS; copy_thread()
149 childregs->es = __USER_DS; copy_thread()
150 childregs->fs = __KERNEL_PERCPU; copy_thread()
151 childregs->bx = sp; /* function */ copy_thread()
152 childregs->bp = arg; copy_thread()
153 childregs->orig_ax = -1; copy_thread()
154 childregs->cs = __KERNEL_CS | get_kernel_rpl(); copy_thread()
155 childregs->flags = X86_EFLAGS_IF | X86_EFLAGS_FIXED; copy_thread()
159 *childregs = *current_pt_regs(); copy_thread()
160 childregs->ax = 0; copy_thread()
162 childregs->sp = sp; copy_thread()
188 (struct user_desc __user *)childregs->si, 0); copy_thread()
H A Dprocess_64.c159 struct pt_regs *childregs; copy_thread() local
163 childregs = task_pt_regs(p); copy_thread()
164 p->thread.sp = (unsigned long) childregs; copy_thread()
178 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
179 childregs->sp = (unsigned long)childregs; copy_thread()
180 childregs->ss = __KERNEL_DS; copy_thread()
181 childregs->bx = sp; /* function */ copy_thread()
182 childregs->bp = arg; copy_thread()
183 childregs->orig_ax = -1; copy_thread()
184 childregs->cs = __KERNEL_CS | get_kernel_rpl(); copy_thread()
185 childregs->flags = X86_EFLAGS_IF | X86_EFLAGS_FIXED; copy_thread()
188 *childregs = *current_pt_regs(); copy_thread()
190 childregs->ax = 0; copy_thread()
192 childregs->sp = sp; copy_thread()
212 (struct user_desc __user *)childregs->si, 0); copy_thread()
215 err = do_arch_prctl(p, ARCH_SET_FS, childregs->r8); copy_thread()
/linux-4.1.27/arch/cris/arch-v10/kernel/
H A Dprocess.c100 struct pt_regs *childregs = task_pt_regs(p); copy_thread() local
101 struct switch_stack *swstack = ((struct switch_stack *)childregs) - 1; copy_thread()
112 childregs->dccr = 1 << I_DCCR_BITNR; copy_thread()
118 *childregs = *current_pt_regs(); /* struct copy of pt_regs */ copy_thread()
120 childregs->r10 = 0; /* child returns 0 after a fork/clone */ copy_thread()
139 printk("copy_thread: new regs at 0x%p, as shown below:\n", childregs); copy_thread()
140 show_registers(childregs); copy_thread()
/linux-4.1.27/arch/nios2/kernel/
H A Dprocess.c102 struct pt_regs *childregs = task_pt_regs(p); copy_thread() local
106 ((struct switch_stack *)childregs) - 1; copy_thread()
115 childregs->estatus = STATUS_PIE; copy_thread()
116 childregs->sp = (unsigned long) childstack; copy_thread()
119 p->thread.kregs = childregs; copy_thread()
124 *childregs = *regs; copy_thread()
125 childregs->r2 = 0; /* Set the return value for the child. */ copy_thread()
126 childregs->r7 = 0; copy_thread()
131 p->thread.kregs = childregs; copy_thread()
135 childregs->sp = usp; copy_thread()
/linux-4.1.27/arch/cris/arch-v32/kernel/
H A Dprocess.c108 struct pt_regs *childregs = task_pt_regs(p); copy_thread() local
109 struct switch_stack *swstack = ((struct switch_stack *) childregs) - 1; copy_thread()
121 childregs->ccs = 1 << (I_CCS_BITNR + CCS_SHIFT); copy_thread()
127 *childregs = *current_pt_regs(); /* Struct copy of pt_regs. */ copy_thread()
128 childregs->r10 = 0; /* Child returns 0 after a fork/clone. */ copy_thread()
134 task_thread_info(p)->tls = childregs->mof; copy_thread()
/linux-4.1.27/arch/metag/kernel/
H A Dprocess.c183 struct pt_regs *childregs = task_pt_regs(tsk); copy_thread() local
184 void *kernel_context = ((void *) childregs + copy_thread()
188 BUG_ON(((unsigned long)childregs) & 0x7); copy_thread()
203 memset(childregs, 0 , sizeof(struct pt_regs)); copy_thread()
206 childregs->ctx.AX[0].U1 = (unsigned long) global_base; copy_thread()
207 childregs->ctx.AX[0].U0 = (unsigned long) kernel_context; copy_thread()
209 childregs->ctx.DX[4].U1 = usp; copy_thread()
210 childregs->ctx.DX[3].U1 = kthread_arg; copy_thread()
221 *childregs = *current_pt_regs(); copy_thread()
224 childregs->ctx.AX[0].U0 = ALIGN(usp, 8); copy_thread()
228 childregs->ctx.DX[0].U0 = 0; copy_thread()
233 (__force void __user *)childregs->ctx.DX[1].U1; copy_thread()
/linux-4.1.27/arch/unicore32/kernel/
H A Dprocess.c235 struct pt_regs *childregs = task_pt_regs(p); copy_thread() local
238 thread->cpu_context.sp = (unsigned long)childregs; copy_thread()
243 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
246 *childregs = *current_pt_regs(); copy_thread()
247 childregs->UCreg_00 = 0; copy_thread()
249 childregs->UCreg_sp = stack_start; copy_thread()
252 childregs->UCreg_16 = childregs->UCreg_03; copy_thread()
/linux-4.1.27/arch/sparc/kernel/
H A Dprocess_32.c312 struct pt_regs *childregs, *regs = current_pt_regs(); local
326 * p->thread_info new_stack childregs stack bottom
333 childregs = (struct pt_regs *) (new_stack + STACKFRAME_SZ);
343 p->thread.kregs = childregs;
352 childregs->u_regs[UREG_G1] = sp; /* function */
353 childregs->u_regs[UREG_G2] = arg;
354 psr = childregs->psr = get_psr();
360 childregs->u_regs[UREG_FP] = sp;
394 childregs->u_regs[UREG_FP] = (unsigned long)childstack;
399 childregs->psr &= ~PSR_EF;
404 childregs->u_regs[UREG_I0] = current->pid;
405 childregs->u_regs[UREG_I1] = 1;
411 childregs->u_regs[UREG_G7] = regs->u_regs[UREG_I3];
/linux-4.1.27/arch/avr32/kernel/
H A Dprocess.c286 struct pt_regs *childregs = task_pt_regs(p); copy_thread() local
289 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
294 childregs->sr = MODE_SUPERVISOR; copy_thread()
296 *childregs = *current_pt_regs(); copy_thread()
298 childregs->sp = usp; copy_thread()
299 childregs->r12 = 0; /* Set return value for child */ copy_thread()
304 p->thread.cpu_context.ksp = (unsigned long)childregs; copy_thread()
/linux-4.1.27/arch/arm64/kernel/
H A Dprocess.c256 struct pt_regs *childregs = task_pt_regs(p); copy_thread() local
262 *childregs = *current_pt_regs(); copy_thread()
263 childregs->regs[0] = 0; copy_thread()
266 childregs->compat_sp = stack_start; copy_thread()
277 childregs->sp = stack_start; copy_thread()
285 tls = childregs->regs[3]; copy_thread()
287 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
288 childregs->pstate = PSR_MODE_EL1h; copy_thread()
293 p->thread.cpu_context.sp = (unsigned long)childregs; copy_thread()
/linux-4.1.27/arch/blackfin/kernel/
H A Dprocess.c117 struct pt_regs *childregs; copy_thread() local
120 childregs = (struct pt_regs *) (task_stack_page(p) + THREAD_SIZE) - 1; copy_thread()
121 v = ((unsigned long *)childregs) - 2; copy_thread()
123 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
126 childregs->orig_p0 = -1; copy_thread()
127 childregs->ipend = 0x8000; copy_thread()
128 __asm__ __volatile__("%0 = syscfg;":"=da"(childregs->syscfg):); copy_thread()
131 *childregs = *current_pt_regs(); copy_thread()
132 childregs->r0 = 0; copy_thread()
/linux-4.1.27/arch/mips/kernel/
H A Dprocess.c117 struct pt_regs *childregs, *regs = current_pt_regs(); copy_thread() local
124 childregs = (struct pt_regs *) childksp - 1; copy_thread()
126 childksp = (unsigned long) childregs; copy_thread()
131 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
143 childregs->cp0_status = status; copy_thread()
148 *childregs = *regs; copy_thread()
149 childregs->regs[7] = 0; /* Clear error flag */ copy_thread()
150 childregs->regs[2] = 0; /* Child gets zero as return value */ copy_thread()
152 childregs->regs[29] = usp; copy_thread()
155 p->thread.reg29 = (unsigned long) childregs; copy_thread()
162 childregs->cp0_status &= ~(ST0_CU2|ST0_CU1); copy_thread()
/linux-4.1.27/arch/arm/kernel/
H A Dprocess.c209 struct pt_regs *childregs = task_pt_regs(p); copy_thread() local
214 *childregs = *current_pt_regs(); copy_thread()
215 childregs->ARM_r0 = 0; copy_thread()
217 childregs->ARM_sp = stack_start; copy_thread()
219 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
222 childregs->ARM_cpsr = SVC_MODE; copy_thread()
225 thread->cpu_context.sp = (unsigned long)childregs; copy_thread()
230 thread->tp_value[0] = childregs->ARM_r3; copy_thread()
/linux-4.1.27/arch/alpha/kernel/
H A Dprocess.c250 struct pt_regs *childregs = task_pt_regs(p); copy_thread() local
254 childstack = ((struct switch_stack *) childregs) - 1; copy_thread()
265 childregs->hae = alpha_mv.hae_cache, copy_thread()
277 *childregs = *regs; copy_thread()
278 childregs->r0 = 0; copy_thread()
279 childregs->r19 = 0; copy_thread()
280 childregs->r20 = 1; /* OSF/1 has some strange fork() semantics. */ copy_thread()
/linux-4.1.27/arch/tile/kernel/
H A Dprocess.c104 struct pt_regs *childregs = task_pt_regs(p); copy_thread() local
116 ksp = (unsigned long) childregs; copy_thread()
130 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
135 childregs->ex1 = PL_ICS_EX1(KERNEL_PL, 0); copy_thread()
164 *childregs = *current_pt_regs(); copy_thread()
165 childregs->regs[0] = 0; /* return value is zero */ copy_thread()
167 childregs->sp = sp; /* override with new user stack pointer */ copy_thread()
168 memcpy(callee_regs, &childregs->regs[CALLEE_SAVED_FIRST_REG], copy_thread()
172 p->thread.usp0 = childregs->sp; copy_thread()
179 childregs->tp = childregs->regs[4]; copy_thread()
/linux-4.1.27/arch/powerpc/kernel/
H A Dprocess.c1138 struct pt_regs *childregs, *kregs; copy_thread() local
1146 childregs = (struct pt_regs *) sp; copy_thread()
1150 memset(childregs, 0, sizeof(struct pt_regs)); copy_thread()
1151 childregs->gpr[1] = sp + sizeof(struct pt_regs); copy_thread()
1154 childregs->gpr[14] = ppc_function_entry((void *)usp); copy_thread()
1157 childregs->softe = 1; copy_thread()
1159 childregs->gpr[15] = kthread_arg; copy_thread()
1167 *childregs = *regs; copy_thread()
1169 childregs->gpr[1] = usp; copy_thread()
1170 p->thread.regs = childregs; copy_thread()
1171 childregs->gpr[3] = 0; /* Result from fork() */ copy_thread()
1175 childregs->gpr[13] = childregs->gpr[6]; copy_thread()
1178 childregs->gpr[2] = childregs->gpr[6]; copy_thread()

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