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55 lines
1.1 KiB
55 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) |
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*/ |
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#include <linux/init.h> |
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#include <linux/sched/mm.h> |
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#include <linux/sched/task_stack.h> |
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#include <linux/sched/task.h> |
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#include <as-layout.h> |
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#include <kern.h> |
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#include <os.h> |
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#include <skas.h> |
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extern void start_kernel(void); |
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static int __init start_kernel_proc(void *unused) |
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{ |
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int pid; |
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block_signals_trace(); |
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pid = os_getpid(); |
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cpu_tasks[0].pid = pid; |
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cpu_tasks[0].task = current; |
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start_kernel(); |
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return 0; |
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} |
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extern int userspace_pid[]; |
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extern char cpu0_irqstack[]; |
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int __init start_uml(void) |
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{ |
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stack_protections((unsigned long) &cpu0_irqstack); |
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set_sigstack(cpu0_irqstack, THREAD_SIZE); |
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init_new_thread_signals(); |
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init_task.thread.request.u.thread.proc = start_kernel_proc; |
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init_task.thread.request.u.thread.arg = NULL; |
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return start_idle_thread(task_stack_page(&init_task), |
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&init_task.thread.switch_buf); |
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} |
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unsigned long current_stub_stack(void) |
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{ |
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if (current->mm == NULL) |
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return 0; |
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return current->mm->context.id.stack; |
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}
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