From b404511f13972adbeccc3c694d4f7758374a8f27 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Tue, 24 Sep 2013 03:05:12 -0700 Subject: ARM: Eliminate the unused interrupts.c. This file isn't compiled into anything, and probably wouldn't since it has a lot of baggage from it's U-Boot origins. Change-Id: I29d87afd2a283010a653d3d48fdd3a79622e3b99 Signed-off-by: Gabe Black Reviewed-on: https://chromium-review.googlesource.com/170423 Reviewed-by: Hung-Te Lin Reviewed-by: David Hendrix Commit-Queue: Gabe Black Tested-by: Gabe Black (cherry picked from commit 1146c570f0e448f7db4ec82749e91099c946a2dc) Signed-off-by: Isaac Christensen Reviewed-on: http://review.coreboot.org/6544 Reviewed-by: Ronald G. Minnich Tested-by: build bot (Jenkins) --- src/arch/armv7/Makefile.inc | 1 - src/arch/armv7/interrupts.c | 197 -------------------------------------------- 2 files changed, 198 deletions(-) delete mode 100644 src/arch/armv7/interrupts.c (limited to 'src') diff --git a/src/arch/armv7/Makefile.inc b/src/arch/armv7/Makefile.inc index bf2f332f4f..d28a9d3f2c 100644 --- a/src/arch/armv7/Makefile.inc +++ b/src/arch/armv7/Makefile.inc @@ -169,7 +169,6 @@ ifeq ($(CONFIG_ARCH_RAMSTAGE_ARMV7),y) ramstage-y += exception.c ramstage-y += exception_asm.S ramstage-y += div0.c -#ramstage-y += interrupts.c ramstage-y += cache.c ramstage-y += cpu.c ramstage-y += mmu.c diff --git a/src/arch/armv7/interrupts.c b/src/arch/armv7/interrupts.c deleted file mode 100644 index 7508c69214..0000000000 --- a/src/arch/armv7/interrupts.c +++ /dev/null @@ -1,197 +0,0 @@ -/* - * (C) Copyright 2003 - * Texas Instruments - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH - * Marius Groeger - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH - * Alex Zuepke - * - * (C) Copyright 2002-2004 - * Gary Jennejohn, DENX Software Engineering, - * - * (C) Copyright 2004 - * Philippe Robin, ARM Ltd. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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. - * - * This program is distributed in the hope that 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 - */ - -#include - -DECLARE_GLOBAL_DATA_PTR; - -#ifdef CONFIG_USE_IRQ -int interrupt_init (void) -{ - /* - * setup up stacks if necessary - */ - IRQ_STACK_START = gd->irq_sp - 4; - IRQ_STACK_START_IN = gd->irq_sp + 8; - FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ; - - return arch_interrupt_init(); -} - -/* enable IRQ interrupts */ -void enable_interrupts (void) -{ - unsigned long temp; - __asm__ __volatile__("mrs %0, cpsr\n" - "bic %0, %0, #0x80\n" - "msr cpsr_c, %0" - : "=r" (temp) - : - : "memory"); -} - - -/* - * disable IRQ/FIQ interrupts - * returns true if interrupts had been enabled before we disabled them - */ -int disable_interrupts (void) -{ - unsigned long old,temp; - __asm__ __volatile__("mrs %0, cpsr\n" - "orr %1, %0, #0xc0\n" - "msr cpsr_c, %1" - : "=r" (old), "=r" (temp) - : - : "memory"); - return (old & 0x80) == 0; -} -#else -int interrupt_init (void) -{ - /* - * setup up stacks if necessary - */ - IRQ_STACK_START_IN = gd->irq_sp + 8; - - return 0; -} - -void enable_interrupts (void) -{ - return; -} -int disable_interrupts (void) -{ - return 0; -} -#endif - - -void bad_mode (void) -{ - panic ("Resetting CPU ...\n"); - soft_reset(); -} - -void show_regs (struct pt_regs *regs) -{ - unsigned long flags; - const char *processor_modes[] = { - "USER_26", "FIQ_26", "IRQ_26", "SVC_26", - "UK4_26", "UK5_26", "UK6_26", "UK7_26", - "UK8_26", "UK9_26", "UK10_26", "UK11_26", - "UK12_26", "UK13_26", "UK14_26", "UK15_26", - "USER_32", "FIQ_32", "IRQ_32", "SVC_32", - "UK4_32", "UK5_32", "UK6_32", "ABT_32", - "UK8_32", "UK9_32", "UK10_32", "UND_32", - "UK12_32", "UK13_32", "UK14_32", "SYS_32", - }; - - flags = condition_codes (regs); - - printf ("pc : [<%08lx>] lr : [<%08lx>]\n" - "sp : %08lx ip : %08lx fp : %08lx\n", - instruction_pointer (regs), - regs->ARM_lr, regs->ARM_sp, regs->ARM_ip, regs->ARM_fp); - printf ("r10: %08lx r9 : %08lx r8 : %08lx\n", - regs->ARM_r10, regs->ARM_r9, regs->ARM_r8); - printf ("r7 : %08lx r6 : %08lx r5 : %08lx r4 : %08lx\n", - regs->ARM_r7, regs->ARM_r6, regs->ARM_r5, regs->ARM_r4); - printf ("r3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n", - regs->ARM_r3, regs->ARM_r2, regs->ARM_r1, regs->ARM_r0); - printf ("Flags: %c%c%c%c", - flags & CC_N_BIT ? 'N' : 'n', - flags & CC_Z_BIT ? 'Z' : 'z', - flags & CC_C_BIT ? 'C' : 'c', flags & CC_V_BIT ? 'V' : 'v'); - printf (" IRQs %s FIQs %s Mode %s%s\n", - interrupts_enabled (regs) ? "on" : "off", - fast_interrupts_enabled (regs) ? "on" : "off", - processor_modes[processor_mode (regs)], - thumb_mode (regs) ? " (T)" : ""); -} - -void do_undefined_instruction (struct pt_regs *pt_regs) -{ - printf ("undefined instruction\n"); - show_regs (pt_regs); - bad_mode (); -} - -void do_software_interrupt (struct pt_regs *pt_regs) -{ - printf ("software interrupt\n"); - show_regs (pt_regs); - bad_mode (); -} - -void do_prefetch_abort (struct pt_regs *pt_regs) -{ - printf ("prefetch abort\n"); - show_regs (pt_regs); - bad_mode (); -} - -void do_data_abort (struct pt_regs *pt_regs) -{ - printf ("data abort\n"); - show_regs (pt_regs); - bad_mode (); -} - -void do_not_used (struct pt_regs *pt_regs) -{ - printf ("not used\n"); - show_regs (pt_regs); - bad_mode (); -} - -void do_fiq (struct pt_regs *pt_regs) -{ - printf ("fast interrupt request\n"); - show_regs (pt_regs); - bad_mode (); -} - -#ifndef CONFIG_USE_IRQ -void do_irq (struct pt_regs *pt_regs) -{ - printf ("interrupt request\n"); - show_regs (pt_regs); - bad_mode (); -} -#endif -- cgit v1.2.3