diff options
Diffstat (limited to 'arch/mips/mipssim/sim_smtc.c')
-rw-r--r-- | arch/mips/mipssim/sim_smtc.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/arch/mips/mipssim/sim_smtc.c b/arch/mips/mipssim/sim_smtc.c deleted file mode 100644 index 3c104abd8aa5..000000000000 --- a/arch/mips/mipssim/sim_smtc.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * Copyright (C) 2005 MIPS Technologies, Inc. All rights reserved. - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - */ -/* - * Simulator Platform-specific hooks for SMTC operation - */ -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/cpumask.h> -#include <linux/interrupt.h> -#include <linux/smp.h> - -#include <linux/atomic.h> -#include <asm/cpu.h> -#include <asm/processor.h> -#include <asm/smtc.h> -#include <asm/mmu_context.h> -#include <asm/smtc_ipi.h> - -/* VPE/SMP Prototype implements platform interfaces directly */ - -/* - * Cause the specified action to be performed on a targeted "CPU" - */ - -static void ssmtc_send_ipi_single(int cpu, unsigned int action) -{ - smtc_send_ipi(cpu, LINUX_SMP_IPI, action); - /* "CPU" may be TC of same VPE, VPE of same CPU, or different CPU */ -} - -static inline void ssmtc_send_ipi_mask(const struct cpumask *mask, - unsigned int action) -{ - unsigned int i; - - for_each_cpu(i, mask) - ssmtc_send_ipi_single(i, action); -} - -/* - * Post-config but pre-boot cleanup entry point - */ -static void __cpuinit ssmtc_init_secondary(void) -{ - smtc_init_secondary(); -} - -/* - * SMP initialization finalization entry point - */ -static void __cpuinit ssmtc_smp_finish(void) -{ - smtc_smp_finish(); -} - -/* - * Hook for after all CPUs are online - */ -static void ssmtc_cpus_done(void) -{ -} - -/* - * Platform "CPU" startup hook - */ -static void __cpuinit ssmtc_boot_secondary(int cpu, struct task_struct *idle) -{ - smtc_boot_secondary(cpu, idle); -} - -static void __init ssmtc_smp_setup(void) -{ - if (read_c0_config3() & (1 << 2)) - mipsmt_build_cpu_map(0); -} - -/* - * Platform SMP pre-initialization - */ -static void ssmtc_prepare_cpus(unsigned int max_cpus) -{ - /* - * As noted above, we can assume a single CPU for now - * but it may be multithreaded. - */ - - if (read_c0_config3() & (1 << 2)) { - mipsmt_prepare_cpus(); - } -} - -struct plat_smp_ops ssmtc_smp_ops = { - .send_ipi_single = ssmtc_send_ipi_single, - .send_ipi_mask = ssmtc_send_ipi_mask, - .init_secondary = ssmtc_init_secondary, - .smp_finish = ssmtc_smp_finish, - .cpus_done = ssmtc_cpus_done, - .boot_secondary = ssmtc_boot_secondary, - .smp_setup = ssmtc_smp_setup, - .prepare_cpus = ssmtc_prepare_cpus, -}; |