Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/arch/sh/include/asm/kexec.h
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_SH_KEXEC_H #define __ASM_SH_KEXEC_H #include <asm/ptrace.h> #include <asm/string.h> #include <linux/kernel.h> /* * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return. * I.e. Maximum page that is mapped directly into kernel memory, * and kmap is not required. * * Someone correct me if FIXADDR_START - PAGEOFFSET is not the correct * calculation for the amount of memory directly mappable into the * kernel memory space. */ /* Maximum physical address we can use pages from */ #define KEXEC_SOURCE_MEMORY_LIMIT (-1UL) /* Maximum address we can reach in physical address mode */ #define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL) /* Maximum address we can use for the control code buffer */ #define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE #define KEXEC_CONTROL_PAGE_SIZE 4096 /* The native architecture */ #define KEXEC_ARCH KEXEC_ARCH_SH #ifdef CONFIG_KEXEC /* arch/sh/kernel/machine_kexec.c */ void reserve_crashkernel(void); static inline void crash_setup_regs(struct pt_regs *newregs, struct pt_regs *oldregs) { if (oldregs) memcpy(newregs, oldregs, sizeof(*newregs)); else { __asm__ __volatile__ ("mov r0, %0" : "=r" (newregs->regs[0])); __asm__ __volatile__ ("mov r1, %0" : "=r" (newregs->regs[1])); __asm__ __volatile__ ("mov r2, %0" : "=r" (newregs->regs[2])); __asm__ __volatile__ ("mov r3, %0" : "=r" (newregs->regs[3])); __asm__ __volatile__ ("mov r4, %0" : "=r" (newregs->regs[4])); __asm__ __volatile__ ("mov r5, %0" : "=r" (newregs->regs[5])); __asm__ __volatile__ ("mov r6, %0" : "=r" (newregs->regs[6])); __asm__ __volatile__ ("mov r7, %0" : "=r" (newregs->regs[7])); __asm__ __volatile__ ("mov r8, %0" : "=r" (newregs->regs[8])); __asm__ __volatile__ ("mov r9, %0" : "=r" (newregs->regs[9])); __asm__ __volatile__ ("mov r10, %0" : "=r" (newregs->regs[10])); __asm__ __volatile__ ("mov r11, %0" : "=r" (newregs->regs[11])); __asm__ __volatile__ ("mov r12, %0" : "=r" (newregs->regs[12])); __asm__ __volatile__ ("mov r13, %0" : "=r" (newregs->regs[13])); __asm__ __volatile__ ("mov r14, %0" : "=r" (newregs->regs[14])); __asm__ __volatile__ ("mov r15, %0" : "=r" (newregs->regs[15])); __asm__ __volatile__ ("sts pr, %0" : "=r" (newregs->pr)); __asm__ __volatile__ ("sts macl, %0" : "=r" (newregs->macl)); __asm__ __volatile__ ("sts mach, %0" : "=r" (newregs->mach)); __asm__ __volatile__ ("stc gbr, %0" : "=r" (newregs->gbr)); __asm__ __volatile__ ("stc sr, %0" : "=r" (newregs->sr)); newregs->pc = _THIS_IP_; } } #else static inline void reserve_crashkernel(void) { } #endif /* CONFIG_KEXEC */ #endif /* __ASM_SH_KEXEC_H */
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