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Diffstat (limited to 'arch/m32r/kernel/process.c')
| -rw-r--r-- | arch/m32r/kernel/process.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c deleted file mode 100644 index a1a4cb136e99..000000000000 --- a/arch/m32r/kernel/process.c +++ /dev/null @@ -1,154 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * linux/arch/m32r/kernel/process.c - * - * Copyright (c) 2001, 2002 Hiroyuki Kondo, Hirokazu Takata, - * Hitoshi Yamamoto - * Taken from sh version. - * Copyright (C) 1995 Linus Torvalds - * SuperH version: Copyright (C) 1999, 2000 Niibe Yutaka & Kaz Kojima - */ - -#undef DEBUG_PROCESS -#ifdef DEBUG_PROCESS -#define DPRINTK(fmt, args...) printk("%s:%d:%s: " fmt, __FILE__, __LINE__, \ - __func__, ##args) -#else -#define DPRINTK(fmt, args...) -#endif - -/* - * This file handles the architecture-dependent parts of process handling.. - */ - -#include <linux/fs.h> -#include <linux/slab.h> -#include <linux/sched/debug.h> -#include <linux/sched/task.h> -#include <linux/sched/task_stack.h> -#include <linux/module.h> -#include <linux/ptrace.h> -#include <linux/unistd.h> -#include <linux/hardirq.h> -#include <linux/rcupdate.h> - -#include <asm/io.h> -#include <linux/uaccess.h> -#include <asm/mmu_context.h> -#include <asm/elf.h> -#include <asm/m32r.h> - -#include <linux/err.h> - -void (*pm_power_off)(void) = NULL; -EXPORT_SYMBOL(pm_power_off); - -void machine_restart(char *__unused) -{ -#if defined(CONFIG_PLAT_MAPPI3) - outw(1, (unsigned long)PLD_REBOOT); -#endif - - printk("Please push reset button!\n"); - while (1) - cpu_relax(); -} - -void machine_halt(void) -{ - printk("Please push reset button!\n"); - while (1) - cpu_relax(); -} - -void machine_power_off(void) -{ - /* M32R_FIXME */ -} - -void show_regs(struct pt_regs * regs) -{ - printk("\n"); - show_regs_print_info(KERN_DEFAULT); - - printk("BPC[%08lx]:PSW[%08lx]:LR [%08lx]:FP [%08lx]\n", \ - regs->bpc, regs->psw, regs->lr, regs->fp); - printk("BBPC[%08lx]:BBPSW[%08lx]:SPU[%08lx]:SPI[%08lx]\n", \ - regs->bbpc, regs->bbpsw, regs->spu, regs->spi); - printk("R0 [%08lx]:R1 [%08lx]:R2 [%08lx]:R3 [%08lx]\n", \ - regs->r0, regs->r1, regs->r2, regs->r3); - printk("R4 [%08lx]:R5 [%08lx]:R6 [%08lx]:R7 [%08lx]\n", \ - regs->r4, regs->r5, regs->r6, regs->r7); - printk("R8 [%08lx]:R9 [%08lx]:R10[%08lx]:R11[%08lx]\n", \ - regs->r8, regs->r9, regs->r10, regs->r11); - printk("R12[%08lx]\n", \ - regs->r12); - -#if defined(CONFIG_ISA_M32R2) && defined(CONFIG_ISA_DSP_LEVEL2) - printk("ACC0H[%08lx]:ACC0L[%08lx]\n", \ - regs->acc0h, regs->acc0l); - printk("ACC1H[%08lx]:ACC1L[%08lx]\n", \ - regs->acc1h, regs->acc1l); -#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R) - printk("ACCH[%08lx]:ACCL[%08lx]\n", \ - regs->acc0h, regs->acc0l); -#else -#error unknown isa configuration -#endif -} - -void flush_thread(void) -{ - DPRINTK("pid = %d\n", current->pid); - memset(¤t->thread.debug_trap, 0, sizeof(struct debug_trap)); -} - -void release_thread(struct task_struct *dead_task) -{ - /* do nothing */ - DPRINTK("pid = %d\n", dead_task->pid); -} - -/* Fill in the fpu structure for a core dump.. */ -int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu) -{ - return 0; /* Task didn't use the fpu at all. */ -} - -int copy_thread(unsigned long clone_flags, unsigned long spu, - unsigned long arg, struct task_struct *tsk) -{ - struct pt_regs *childregs = task_pt_regs(tsk); - extern void ret_from_fork(void); - extern void ret_from_kernel_thread(void); - - if (unlikely(tsk->flags & PF_KTHREAD)) { - memset(childregs, 0, sizeof(struct pt_regs)); - childregs->psw = M32R_PSW_BIE; - childregs->r1 = spu; /* fn */ - childregs->r0 = arg; - tsk->thread.lr = (unsigned long)ret_from_kernel_thread; - } else { - /* Copy registers */ - *childregs = *current_pt_regs(); - if (spu) - childregs->spu = spu; - childregs->r0 = 0; /* Child gets zero as return value */ - tsk->thread.lr = (unsigned long)ret_from_fork; - } - tsk->thread.sp = (unsigned long)childregs; - - return 0; -} - -/* - * These bracket the sleeping functions.. - */ -#define first_sched ((unsigned long) scheduling_functions_start_here) -#define last_sched ((unsigned long) scheduling_functions_end_here) - -unsigned long get_wchan(struct task_struct *p) -{ - /* M32R_FIXME */ - return (0); -} |