From c1449c8fa40859eb269025a7db85b34115205f5b Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Wed, 15 Feb 2006 15:17:19 +0000 Subject: [MIPS] Symmetric Uniprocessor support for Qemu. SMP bits needed to builds and run an SMP kernel. While only a single processor is supported ATM it's still useful for some SMP debugging using Qemu. Signed-off-by: Ralf Baechle --- arch/mips/qemu/q-smp.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 arch/mips/qemu/q-smp.c (limited to 'arch/mips/qemu/q-smp.c') diff --git a/arch/mips/qemu/q-smp.c b/arch/mips/qemu/q-smp.c new file mode 100644 index 0000000..5a12354 --- /dev/null +++ b/arch/mips/qemu/q-smp.c @@ -0,0 +1,48 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2006 by Ralf Baechle (ralf@linux-mips.org) + * + * Symmetric Uniprocessor (TM) Support + */ +#include +#include + +/* + * Send inter-processor interrupt + */ +void core_send_ipi(int cpu, unsigned int action) +{ + panic(KERN_ERR "%s called", __FUNCTION__); +} + +/* + * After we've done initial boot, this function is called to allow the + * board code to clean up state, if needed + */ +void prom_init_secondary(void) +{ +} + +void prom_smp_finish(void) +{ +} + +/* Hook for after all CPUs are online */ +void prom_cpus_done(void) +{ +} + +void __init prom_prepare_cpus(unsigned int max_cpus) +{ + cpus_clear(phys_cpu_present_map); +} + +/* + * Firmware CPU startup hook + */ +void prom_boot_secondary(int cpu, struct task_struct *idle) +{ +} -- cgit v1.1