summaryrefslogtreecommitdiff
path: root/include/asm-sh/kexec.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-07 23:17:40 +0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-07 23:17:40 +0400
commit5b6b54982258c330247957a8d877b9851ac69d53 (patch)
tree567e4b3391e0c6689cf511789fb512ef7385c16f /include/asm-sh/kexec.h
parent35c74823cb382c610be908f1b92f980b84e7c37c (diff)
parent39374aadcd0159b4744ab456f4efa100bea84bd4 (diff)
downloadlinux-5b6b54982258c330247957a8d877b9851ac69d53.tar.xz
Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: (38 commits) sh: R7785RP board updates. sh: Update r7780rp defconfig. sh: Add die chain notifiers. sh: Fix APM emulation on hp6xx. sh: Wire up more IRQs for SH7709. sh: Solution Engine 7722 board support. sh: Fix r7780rp build. sh: kdump support. sh: Move clock reporting to its own proc entry. sh: Solution Engine SH7705 board and CPU updates. serial: sh-sci: Fix module clock refcount for serial console. serial: sh-sci: Fix module clock refcounting. sh: SH7722 clock framework support. sh: hp6xx pata_platform support. sh: Obey CONFIG_HZ for HZ definition. sh: Fix fstatat64() syscall. sh: se7780 PCI support. sh: SH7780 Solution Engine board support. sh: Add a dummy SH-4 PCIC fixup. sh: Tidy up L-BOX area5 addresses. ...
Diffstat (limited to 'include/asm-sh/kexec.h')
-rw-r--r--include/asm-sh/kexec.h42
1 files changed, 37 insertions, 5 deletions
diff --git a/include/asm-sh/kexec.h b/include/asm-sh/kexec.h
index 9d235af20cdd..da36a7548601 100644
--- a/include/asm-sh/kexec.h
+++ b/include/asm-sh/kexec.h
@@ -1,5 +1,8 @@
-#ifndef _SH_KEXEC_H
-#define _SH_KEXEC_H
+#ifndef __ASM_SH_KEXEC_H
+#define __ASM_SH_KEXEC_H
+
+#include <asm/ptrace.h>
+#include <asm/string.h>
/*
* KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
@@ -25,8 +28,37 @@
#define MAX_NOTE_BYTES 1024
-/* Provide a dummy definition to avoid build failures. */
static inline void crash_setup_regs(struct pt_regs *newregs,
- struct pt_regs *oldregs) { }
+ 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));
-#endif /* _SH_KEXEC_H */
+ newregs->pc = (unsigned long)current_text_addr();
+ }
+}
+#endif /* __ASM_SH_KEXEC_H */