URL
https://opencores.org/ocsvn/or1k_soc_on_altera_embedded_dev_kit/or1k_soc_on_altera_embedded_dev_kit/trunk
Subversion Repositories or1k_soc_on_altera_embedded_dev_kit
[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [linux-2.6/] [linux-2.6.24/] [arch/] [powerpc/] [platforms/] [pseries/] [kexec.c] - Rev 3
Compare with Previous | Blame | View Log
/* * Copyright 2006 Michael Ellerman, IBM Corporation * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #include <asm/machdep.h> #include <asm/page.h> #include <asm/firmware.h> #include <asm/kexec.h> #include <asm/mpic.h> #include <asm/smp.h> #include "pseries.h" #include "xics.h" #include "plpar_wrappers.h" static void pseries_kexec_cpu_down(int crash_shutdown, int secondary) { /* Don't risk a hypervisor call if we're crashing */ if (firmware_has_feature(FW_FEATURE_SPLPAR) && !crash_shutdown) { unsigned long addr; addr = __pa(get_slb_shadow()); if (unregister_slb_shadow(hard_smp_processor_id(), addr)) printk("SLB shadow buffer deregistration of " "cpu %u (hw_cpu_id %d) failed\n", smp_processor_id(), hard_smp_processor_id()); addr = __pa(get_lppaca()); if (unregister_vpa(hard_smp_processor_id(), addr)) { printk("VPA deregistration of cpu %u (hw_cpu_id %d) " "failed\n", smp_processor_id(), hard_smp_processor_id()); } } } static void pseries_kexec_cpu_down_mpic(int crash_shutdown, int secondary) { pseries_kexec_cpu_down(crash_shutdown, secondary); mpic_teardown_this_cpu(secondary); } void __init setup_kexec_cpu_down_mpic(void) { ppc_md.kexec_cpu_down = pseries_kexec_cpu_down_mpic; } static void pseries_kexec_cpu_down_xics(int crash_shutdown, int secondary) { pseries_kexec_cpu_down(crash_shutdown, secondary); xics_teardown_cpu(secondary); } void __init setup_kexec_cpu_down_xics(void) { ppc_md.kexec_cpu_down = pseries_kexec_cpu_down_xics; } static int __init pseries_kexec_setup(void) { ppc_md.machine_kexec = default_machine_kexec; ppc_md.machine_kexec_prepare = default_machine_kexec_prepare; ppc_md.machine_crash_shutdown = default_machine_crash_shutdown; return 0; } __initcall(pseries_kexec_setup);