diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:20:03 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:20:03 +0200 |
commit | 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 (patch) | |
tree | d947a467aa2da3140279617bc4b9b101640d7bf4 /include/asm-i386/kexec.h | |
parent | 27bd0c955648646abf2a353a8371d28c37bcd982 (diff) | |
download | linux-96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42.tar.gz |
i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the
header install make rules
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-i386/kexec.h')
-rw-r--r-- | include/asm-i386/kexec.h | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/include/asm-i386/kexec.h b/include/asm-i386/kexec.h deleted file mode 100644 index 4b9dc9e6b701..000000000000 --- a/include/asm-i386/kexec.h +++ /dev/null @@ -1,99 +0,0 @@ -#ifndef _I386_KEXEC_H -#define _I386_KEXEC_H - -#define PA_CONTROL_PAGE 0 -#define VA_CONTROL_PAGE 1 -#define PA_PGD 2 -#define VA_PGD 3 -#define PA_PTE_0 4 -#define VA_PTE_0 5 -#define PA_PTE_1 6 -#define VA_PTE_1 7 -#ifdef CONFIG_X86_PAE -#define PA_PMD_0 8 -#define VA_PMD_0 9 -#define PA_PMD_1 10 -#define VA_PMD_1 11 -#define PAGES_NR 12 -#else -#define PAGES_NR 8 -#endif - -#ifndef __ASSEMBLY__ - -#include <asm/ptrace.h> -#include <asm/string.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. - */ - -/* 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_CODE_SIZE 4096 - -/* The native architecture */ -#define KEXEC_ARCH KEXEC_ARCH_386 - -/* We can also handle crash dumps from 64 bit kernel. */ -#define vmcore_elf_check_arch_cross(x) ((x)->e_machine == EM_X86_64) - -/* CPU does not save ss and esp on stack if execution is already - * running in kernel mode at the time of NMI occurrence. This code - * fixes it. - */ -static inline void crash_fixup_ss_esp(struct pt_regs *newregs, - struct pt_regs *oldregs) -{ - memcpy(newregs, oldregs, sizeof(*newregs)); - newregs->esp = (unsigned long)&(oldregs->esp); - __asm__ __volatile__( - "xorl %%eax, %%eax\n\t" - "movw %%ss, %%ax\n\t" - :"=a"(newregs->xss)); -} - -/* - * This function is responsible for capturing register states if coming - * via panic otherwise just fix up the ss and esp if coming via kernel - * mode exception. - */ -static inline void crash_setup_regs(struct pt_regs *newregs, - struct pt_regs *oldregs) -{ - if (oldregs) - crash_fixup_ss_esp(newregs, oldregs); - else { - __asm__ __volatile__("movl %%ebx,%0" : "=m"(newregs->ebx)); - __asm__ __volatile__("movl %%ecx,%0" : "=m"(newregs->ecx)); - __asm__ __volatile__("movl %%edx,%0" : "=m"(newregs->edx)); - __asm__ __volatile__("movl %%esi,%0" : "=m"(newregs->esi)); - __asm__ __volatile__("movl %%edi,%0" : "=m"(newregs->edi)); - __asm__ __volatile__("movl %%ebp,%0" : "=m"(newregs->ebp)); - __asm__ __volatile__("movl %%eax,%0" : "=m"(newregs->eax)); - __asm__ __volatile__("movl %%esp,%0" : "=m"(newregs->esp)); - __asm__ __volatile__("movw %%ss, %%ax;" :"=a"(newregs->xss)); - __asm__ __volatile__("movw %%cs, %%ax;" :"=a"(newregs->xcs)); - __asm__ __volatile__("movw %%ds, %%ax;" :"=a"(newregs->xds)); - __asm__ __volatile__("movw %%es, %%ax;" :"=a"(newregs->xes)); - __asm__ __volatile__("pushfl; popl %0" :"=m"(newregs->eflags)); - - newregs->eip = (unsigned long)current_text_addr(); - } -} -asmlinkage NORET_TYPE void -relocate_kernel(unsigned long indirection_page, - unsigned long control_page, - unsigned long start_address, - unsigned int has_pae) ATTRIB_NORET; - -#endif /* __ASSEMBLY__ */ - -#endif /* _I386_KEXEC_H */ |