diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-12-13 00:19:20 +0800 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-12-13 00:19:20 +0800 |
commit | 68556ca1e03d6a35be3b315eba58df2f8176e3a0 (patch) | |
tree | 36a390d29a0d03a59a90c0f223b0d98a80f0f6c3 /arch/arm/kernel/machine_kexec.c | |
parent | 0604ca48f1689ad06144b81f5c08f297b6edd831 (diff) | |
parent | 8ab30691826fc05efa47c4ffba19b80496bb3a2c (diff) |
Merge branch 'mfd/wm8994' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc into for-3.3
Diffstat (limited to 'arch/arm/kernel/machine_kexec.c')
-rw-r--r-- | arch/arm/kernel/machine_kexec.c | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index c1b4463dcc83..e59bbd496c39 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -32,24 +32,6 @@ static atomic_t waiting_for_crash_ipi; int machine_kexec_prepare(struct kimage *image) { - unsigned long page_list; - void *reboot_code_buffer; - page_list = image->head & PAGE_MASK; - - reboot_code_buffer = page_address(image->control_code_page); - - /* Prepare parameters for reboot_code_buffer*/ - kexec_start_address = image->start; - kexec_indirection_page = page_list; - kexec_mach_type = machine_arch_type; - kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET; - - /* copy our kernel relocation code to the control code page */ - memcpy(reboot_code_buffer, - relocate_new_kernel, relocate_new_kernel_size); - - flush_icache_range((unsigned long) reboot_code_buffer, - (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE); return 0; } @@ -100,14 +82,31 @@ void (*kexec_reinit)(void); void machine_kexec(struct kimage *image) { + unsigned long page_list; unsigned long reboot_code_buffer_phys; void *reboot_code_buffer; + + page_list = image->head & PAGE_MASK; + /* we need both effective and real address here */ reboot_code_buffer_phys = page_to_pfn(image->control_code_page) << PAGE_SHIFT; reboot_code_buffer = page_address(image->control_code_page); + /* Prepare parameters for reboot_code_buffer*/ + kexec_start_address = image->start; + kexec_indirection_page = page_list; + kexec_mach_type = machine_arch_type; + kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET; + + /* copy our kernel relocation code to the control code page */ + memcpy(reboot_code_buffer, + relocate_new_kernel, relocate_new_kernel_size); + + + flush_icache_range((unsigned long) reboot_code_buffer, + (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE); printk(KERN_INFO "Bye!\n"); if (kexec_reinit) |