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Diffstat (limited to 'arch/m32r/include/asm/assembler.h')
| -rw-r--r-- | arch/m32r/include/asm/assembler.h | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/arch/m32r/include/asm/assembler.h b/arch/m32r/include/asm/assembler.h deleted file mode 100644 index ed90d894f285..000000000000 --- a/arch/m32r/include/asm/assembler.h +++ /dev/null @@ -1,231 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_M32R_ASSEMBLER_H -#define _ASM_M32R_ASSEMBLER_H - -/* - * linux/asm-m32r/assembler.h - * - * Copyright (C) 2004 Hirokazu Takata <takata at linux-m32r.org> - * - * This file contains M32R architecture specific macro definitions. - */ - -#include <linux/stringify.h> - -#undef __STR - -#ifdef __ASSEMBLY__ -#define __STR(x) x -#else -#define __STR(x) __stringify(x) -#endif - -#ifdef CONFIG_SMP -#define M32R_LOCK __STR(lock) -#define M32R_UNLOCK __STR(unlock) -#else -#define M32R_LOCK __STR(ld) -#define M32R_UNLOCK __STR(st) -#endif - -#ifdef __ASSEMBLY__ -#undef ENTRY -#define ENTRY(name) ENTRY_M name - .macro ENTRY_M name - .global \name - ALIGN -\name: - .endm -#endif - - -/** - * LDIMM - load immediate value - * STI - enable interruption - * CLI - disable interruption - */ - -#ifdef __ASSEMBLY__ - -#define LDIMM(reg,x) LDIMM reg x - .macro LDIMM reg x - seth \reg, #high(\x) - or3 \reg, \reg, #low(\x) - .endm - -#if !(defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_M32104)) -#define ENABLE_INTERRUPTS(reg) ENABLE_INTERRUPTS reg - .macro ENABLE_INTERRUPTS reg - setpsw #0x40 -> nop - ; WORKAROUND: "-> nop" is a workaround for the M32700(TS1). - .endm - -#define DISABLE_INTERRUPTS(reg) DISABLE_INTERRUPTS reg - .macro DISABLE_INTERRUPTS reg - clrpsw #0x40 -> nop - ; WORKAROUND: "-> nop" is a workaround for the M32700(TS1). - .endm -#else /* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */ -#define ENABLE_INTERRUPTS(reg) ENABLE_INTERRUPTS reg - .macro ENABLE_INTERRUPTS reg - mvfc \reg, psw - or3 \reg, \reg, #0x0040 - mvtc \reg, psw - .endm - -#define DISABLE_INTERRUPTS(reg) DISABLE_INTERRUPTS reg - .macro DISABLE_INTERRUPTS reg - mvfc \reg, psw - and3 \reg, \reg, #0xffbf - mvtc \reg, psw - .endm -#endif /* CONFIG_CHIP_M32102 */ - - .macro SAVE_ALL - push r0 ; orig_r0 - push sp ; spi (r15) - push lr ; r14 - push r13 - mvfc r13, cr3 ; spu - push r13 - mvfc r13, bbpc - push r13 - mvfc r13, bbpsw - push r13 - mvfc r13, bpc - push r13 - mvfc r13, psw - push r13 -#if defined(CONFIG_ISA_M32R2) && defined(CONFIG_ISA_DSP_LEVEL2) - mvfaclo r13, a1 - push r13 - mvfachi r13, a1 - push r13 - mvfaclo r13, a0 - push r13 - mvfachi r13, a0 - push r13 -#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R) - mvfaclo r13 - push r13 - mvfachi r13 - push r13 - ldi r13, #0 - push r13 ; dummy push acc1h - push r13 ; dummy push acc1l -#else -#error unknown isa configuration -#endif - ldi r13, #-1 - push r13 ; syscall_nr (default: -1) - push r12 - push r11 - push r10 - push r9 - push r8 - push r7 - push r3 - push r2 - push r1 - push r0 - addi sp, #-4 ; room for implicit pt_regs parameter - push r6 - push r5 - push r4 - .endm - - .macro RESTORE_ALL - pop r4 - pop r5 - pop r6 - addi sp, #4 - pop r0 - pop r1 - pop r2 - pop r3 - pop r7 - pop r8 - pop r9 - pop r10 - pop r11 - pop r12 - addi r15, #4 ; Skip syscall number -#if defined(CONFIG_ISA_M32R2) && defined(CONFIG_ISA_DSP_LEVEL2) - pop r13 - mvtachi r13, a0 - pop r13 - mvtaclo r13, a0 - pop r13 - mvtachi r13, a1 - pop r13 - mvtaclo r13, a1 -#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R) - pop r13 ; dummy pop acc1h - pop r13 ; dummy pop acc1l - pop r13 - mvtachi r13 - pop r13 - mvtaclo r13 -#else -#error unknown isa configuration -#endif - pop r14 - mvtc r14, psw - pop r14 - mvtc r14, bpc - addi sp, #8 ; Skip bbpsw, bbpc - pop r14 - mvtc r14, cr3 ; spu - pop r13 - pop lr ; r14 - pop sp ; spi (r15) - addi sp, #4 ; Skip orig_r0 - .fillinsn -1: rte - .section .fixup,"ax" -2: bl do_exit - .previous - .section __ex_table,"a" - ALIGN - .long 1b, 2b - .previous - .endm - -#define GET_CURRENT(reg) get_current reg - .macro get_current reg - ldi \reg, #-8192 - and \reg, sp - .endm - -#if !(defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_M32104)) - .macro SWITCH_TO_KERNEL_STACK - ; switch to kernel stack (spi) - clrpsw #0x80 -> nop - .endm -#else /* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */ - .macro SWITCH_TO_KERNEL_STACK - push r0 ; save r0 for working - mvfc r0, psw - and3 r0, r0, #0x00ff7f - mvtc r0, psw - slli r0, #16 - bltz r0, 1f ; check BSM-bit -; - ;; called from kernel context: previous stack = spi - pop r0 ; retrieve r0 - bra 2f - .fillinsn -1: - ;; called from user context: previous stack = spu - mvfc r0, cr3 ; spu - addi r0, #4 - mvtc r0, cr3 ; spu - ld r0, @(-4,r0) ; retrieve r0 - .fillinsn -2: - .endm -#endif /* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */ - -#endif /* __ASSEMBLY__ */ - -#endif /* _ASM_M32R_ASSEMBLER_H */ |