/* * PPC32 code to handle Linux booting another kernel. * * Copyright (C) 2002-2003 Eric Biederman <ebiederm@xmission.com> * GameCube/ppc32 port Copyright (C) 2004 Albert Herranz * Copyright (C) 2005 IBM Corporation. * * This source code is licensed under the GNU General Public License, * Version 2. See the file COPYING for more details. */ #include <linux/kexec.h> #include <linux/mm.h> #include <linux/string.h> #include <asm/cacheflush.h> #include <asm/hw_irq.h> #include <asm/io.h> typedef void (*relocate_new_kernel_t)( unsigned long indirection_page, unsigned long reboot_code_buffer, unsigned long start_address) __noreturn; /* * This is a generic machine_kexec function suitable at least for * non-OpenFirmware embedded platforms. * It merely copies the image relocation code to the control page and * jumps to it. * A platform specific function may just call this one. */
void default_machine_kexec(struct kimage *image) { extern const unsigned char relocate_new_kernel[]; extern const unsigned int relocate_new_kernel_size; unsigned long page_list; unsigned long reboot_code_buffer, reboot_code_buffer_phys; relocate_new_kernel_t rnk; /* Interrupts aren't acceptable while we reboot */ local_irq_disable(); /* mask each interrupt so we are in a more sane state for the * kexec kernel */ machine_kexec_mask_interrupts(); page_list = image->head; /* we need both effective and real address here */ reboot_code_buffer = (unsigned long)page_address(image->control_code_page); reboot_code_buffer_phys = virt_to_phys((void *)reboot_code_buffer); /* copy our kernel relocation code to the control code page */ memcpy((void *)reboot_code_buffer, relocate_new_kernel, relocate_new_kernel_size); flush_icache_range(reboot_code_buffer, reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE); printk(KERN_INFO "Bye!\n"); /* now call it */ rnk = (relocate_new_kernel_t) reboot_code_buffer; (*rnk)(page_list, reboot_code_buffer_phys, image->start); }Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Ellerman | 119 | 94.44% | 1 | 25.00% |
| Matthew McClintock | 4 | 3.17% | 1 | 25.00% |
| Tobias Klauser | 2 | 1.59% | 1 | 25.00% |
| Huang Ying | 1 | 0.79% | 1 | 25.00% |
| Total | 126 | 100.00% | 4 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Ellerman | 13 | 100.00% | 1 | 100.00% |
| Total | 13 | 100.00% | 1 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Ellerman | 163 | 91.06% | 1 | 16.67% |
| Joe Perches | 9 | 5.03% | 2 | 33.33% |
| Matthew McClintock | 4 | 2.23% | 1 | 16.67% |
| Tobias Klauser | 2 | 1.12% | 1 | 16.67% |
| Huang Ying | 1 | 0.56% | 1 | 16.67% |
| Total | 179 | 100.00% | 6 | 100.00% |