/* SPDX-License-Identifier: GPL-2.0 */ /* * include/asm-cris/processor.h * * Copyright (C) 2000, 2001 Axis Communications AB * * Authors: Bjorn Wesen Initial version * */ #ifndef __ASM_CRIS_PROCESSOR_H #define __ASM_CRIS_PROCESSOR_H #include <asm/page.h> #include <asm/ptrace.h> #include <arch/processor.h> #include <arch/system.h> struct task_struct; #define STACK_TOP TASK_SIZE #define STACK_TOP_MAX STACK_TOP /* This decides where the kernel will search for a free chunk of vm * space during mmap's. */ #define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3)) /* THREAD_SIZE is the size of the thread_info/kernel_stack combo. * normally, the stack is found by doing something like p + THREAD_SIZE * in CRIS, a page is 8192 bytes, which seems like a sane size */ #define THREAD_SIZE PAGE_SIZE #define THREAD_SIZE_ORDER (0) /* * At user->kernel entry, the pt_regs struct is stacked on the top of the kernel-stack. * This macro allows us to find those regs for a task. * Notice that subsequent pt_regs stackings, like recursive interrupts occurring while * we're in the kernel, won't affect this - only the first user->kernel transition * registers are reached by this. */ #define user_regs(thread_info) (((struct pt_regs *)((unsigned long)(thread_info) + THREAD_SIZE)) - 1) /* * Dito but for the currently running task */ #define task_pt_regs(task) user_regs(task_thread_info(task)) unsigned long get_wchan(struct task_struct *p); #define KSTK_ESP(tsk) ((tsk) == current ? rdusp() : (tsk)->thread.usp) /* Free all resources held by a thread. */ static inline void release_thread(struct task_struct *dead_task) { /* Nothing needs to be done. */ } #define init_stack (init_thread_union.stack) #define cpu_relax() barrier() void default_idle(void); #endif /* __ASM_CRIS_PROCESSOR_H */
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Kbuild | File | 729 B | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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axisflashmap.h | File | 1.92 KB | 0644 |
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bitops.h | File | 1.27 KB | 0644 |
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bug.h | File | 108 B | 0644 |
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bugs.h | File | 300 B | 0644 |
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cache.h | File | 133 B | 0644 |
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cacheflush.h | File | 1.3 KB | 0644 |
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checksum.h | File | 2.01 KB | 0644 |
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delay.h | File | 537 B | 0644 |
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dma-mapping.h | File | 399 B | 0644 |
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dma.h | File | 458 B | 0644 |
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eshlibld.h | File | 3.49 KB | 0644 |
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etraxi2c.h | File | 1019 B | 0644 |
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fasttimer.h | File | 1.12 KB | 0644 |
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fb.h | File | 244 B | 0644 |
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ftrace.h | File | 12 B | 0644 |
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hw_irq.h | File | 53 B | 0644 |
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io.h | File | 732 B | 0644 |
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irq.h | File | 194 B | 0644 |
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irqflags.h | File | 27 B | 0644 |
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mmu.h | File | 155 B | 0644 |
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mmu_context.h | File | 927 B | 0644 |
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page.h | File | 2.52 KB | 0644 |
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pci.h | File | 1.05 KB | 0644 |
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pgalloc.h | File | 1.36 KB | 0644 |
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pgtable.h | File | 9.58 KB | 0644 |
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processor.h | File | 1.82 KB | 0644 |
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ptrace.h | File | 393 B | 0644 |
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segment.h | File | 148 B | 0644 |
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serial.h | File | 211 B | 0644 |
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shmparam.h | File | 232 B | 0644 |
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signal.h | File | 505 B | 0644 |
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stacktrace.h | File | 213 B | 0644 |
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string.h | File | 508 B | 0644 |
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swab.h | File | 159 B | 0644 |
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switch_to.h | File | 449 B | 0644 |
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termios.h | File | 1.71 KB | 0644 |
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thread_info.h | File | 2.47 KB | 0644 |
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timex.h | File | 433 B | 0644 |
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tlb.h | File | 453 B | 0644 |
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tlbflush.h | File | 1.09 KB | 0644 |
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uaccess.h | File | 9.59 KB | 0644 |
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ucontext.h | File | 322 B | 0644 |
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unaligned.h | File | 345 B | 0644 |
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unistd.h | File | 972 B | 0644 |
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user.h | File | 2.14 KB | 0644 |
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