mirror of
https://github.com/u-boot/u-boot.git
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b417d475b2
We should not include the same include twice.
Fixes: 99b8db7291
("arm: print information about loaded UEFI images")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
201 lines
4.6 KiB
C
201 lines
4.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2003
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* Texas Instruments <www.ti.com>
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*
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* (C) Copyright 2002
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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* Marius Groeger <mgroeger@sysgo.de>
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*
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* (C) Copyright 2002
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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* Alex Zuepke <azu@sysgo.de>
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*
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* (C) Copyright 2002-2004
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* Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
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*
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* (C) Copyright 2004
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* Philippe Robin, ARM Ltd. <philippe.robin@arm.com>
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*/
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#include <common.h>
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#include <efi_loader.h>
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#include <asm/proc-armv/ptrace.h>
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#include <asm/u-boot-arm.h>
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DECLARE_GLOBAL_DATA_PTR;
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int interrupt_init (void)
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{
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/*
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* setup up stacks if necessary
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*/
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IRQ_STACK_START_IN = gd->irq_sp + 8;
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return 0;
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}
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void enable_interrupts (void)
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{
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return;
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}
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int disable_interrupts (void)
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{
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return 0;
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}
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void bad_mode (void)
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{
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panic ("Resetting CPU ...\n");
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reset_cpu (0);
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}
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static void show_efi_loaded_images(struct pt_regs *regs)
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{
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efi_print_image_infos((void *)instruction_pointer(regs));
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}
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static void dump_instr(struct pt_regs *regs)
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{
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unsigned long addr = instruction_pointer(regs);
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const int thumb = thumb_mode(regs);
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const int width = thumb ? 4 : 8;
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int i;
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if (thumb)
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addr &= ~1L;
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else
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addr &= ~3L;
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printf("Code: ");
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for (i = -4; i < 1 + !!thumb; i++) {
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unsigned int val;
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if (thumb)
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val = ((u16 *)addr)[i];
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else
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val = ((u32 *)addr)[i];
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printf(i == 0 ? "(%0*x) " : "%0*x ", width, val);
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}
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printf("\n");
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}
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void show_regs (struct pt_regs *regs)
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{
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unsigned long __maybe_unused flags;
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const char __maybe_unused *processor_modes[] = {
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"USER_26", "FIQ_26", "IRQ_26", "SVC_26",
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"UK4_26", "UK5_26", "UK6_26", "UK7_26",
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"UK8_26", "UK9_26", "UK10_26", "UK11_26",
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"UK12_26", "UK13_26", "UK14_26", "UK15_26",
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"USER_32", "FIQ_32", "IRQ_32", "SVC_32",
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"UK4_32", "UK5_32", "UK6_32", "ABT_32",
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"UK8_32", "UK9_32", "HYP_32", "UND_32",
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"UK12_32", "UK13_32", "UK14_32", "SYS_32",
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};
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flags = condition_codes (regs);
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printf("pc : [<%08lx>] lr : [<%08lx>]\n",
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instruction_pointer(regs), regs->ARM_lr);
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if (gd->flags & GD_FLG_RELOC) {
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printf("reloc pc : [<%08lx>] lr : [<%08lx>]\n",
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instruction_pointer(regs) - gd->reloc_off,
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regs->ARM_lr - gd->reloc_off);
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}
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printf("sp : %08lx ip : %08lx fp : %08lx\n",
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regs->ARM_sp, regs->ARM_ip, regs->ARM_fp);
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printf ("r10: %08lx r9 : %08lx r8 : %08lx\n",
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regs->ARM_r10, regs->ARM_r9, regs->ARM_r8);
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printf ("r7 : %08lx r6 : %08lx r5 : %08lx r4 : %08lx\n",
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regs->ARM_r7, regs->ARM_r6, regs->ARM_r5, regs->ARM_r4);
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printf ("r3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n",
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regs->ARM_r3, regs->ARM_r2, regs->ARM_r1, regs->ARM_r0);
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printf ("Flags: %c%c%c%c",
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flags & CC_N_BIT ? 'N' : 'n',
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flags & CC_Z_BIT ? 'Z' : 'z',
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flags & CC_C_BIT ? 'C' : 'c', flags & CC_V_BIT ? 'V' : 'v');
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printf (" IRQs %s FIQs %s Mode %s%s\n",
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interrupts_enabled (regs) ? "on" : "off",
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fast_interrupts_enabled (regs) ? "on" : "off",
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processor_modes[processor_mode (regs)],
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thumb_mode (regs) ? " (T)" : "");
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dump_instr(regs);
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}
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/* fixup PC to point to the instruction leading to the exception */
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static inline void fixup_pc(struct pt_regs *regs, int offset)
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{
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uint32_t pc = instruction_pointer(regs) + offset;
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regs->ARM_pc = pc | (regs->ARM_pc & PCMASK);
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}
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void do_undefined_instruction (struct pt_regs *pt_regs)
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{
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efi_restore_gd();
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printf ("undefined instruction\n");
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fixup_pc(pt_regs, -4);
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show_regs (pt_regs);
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show_efi_loaded_images(pt_regs);
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bad_mode ();
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}
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void do_software_interrupt (struct pt_regs *pt_regs)
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{
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efi_restore_gd();
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printf ("software interrupt\n");
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fixup_pc(pt_regs, -4);
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show_regs (pt_regs);
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show_efi_loaded_images(pt_regs);
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bad_mode ();
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}
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void do_prefetch_abort (struct pt_regs *pt_regs)
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{
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efi_restore_gd();
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printf ("prefetch abort\n");
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fixup_pc(pt_regs, -8);
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show_regs (pt_regs);
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show_efi_loaded_images(pt_regs);
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bad_mode ();
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}
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void do_data_abort (struct pt_regs *pt_regs)
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{
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efi_restore_gd();
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printf ("data abort\n");
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fixup_pc(pt_regs, -8);
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show_regs (pt_regs);
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show_efi_loaded_images(pt_regs);
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bad_mode ();
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}
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void do_not_used (struct pt_regs *pt_regs)
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{
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efi_restore_gd();
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printf ("not used\n");
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fixup_pc(pt_regs, -8);
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show_regs (pt_regs);
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show_efi_loaded_images(pt_regs);
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bad_mode ();
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}
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void do_fiq (struct pt_regs *pt_regs)
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{
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efi_restore_gd();
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printf ("fast interrupt request\n");
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fixup_pc(pt_regs, -8);
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show_regs (pt_regs);
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show_efi_loaded_images(pt_regs);
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bad_mode ();
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}
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void do_irq (struct pt_regs *pt_regs)
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{
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efi_restore_gd();
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printf ("interrupt request\n");
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fixup_pc(pt_regs, -8);
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show_regs (pt_regs);
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show_efi_loaded_images(pt_regs);
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bad_mode ();
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}
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