3 * Texas Instruments <www.ti.com>
6 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
7 * Marius Groeger <mgroeger@sysgo.de>
10 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
11 * Alex Zuepke <azu@sysgo.de>
13 * (C) Copyright 2002-2004
14 * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
17 * Philippe Robin, ARM Ltd. <philippe.robin@arm.com>
19 * SPDX-License-Identifier: GPL-2.0+
23 #include <asm/proc-armv/ptrace.h>
24 #include <asm/u-boot-arm.h>
25 #include <efi_loader.h>
27 DECLARE_GLOBAL_DATA_PTR;
29 int interrupt_init (void)
32 * setup up stacks if necessary
34 IRQ_STACK_START_IN = gd->irq_sp + 8;
39 void enable_interrupts (void)
43 int disable_interrupts (void)
50 panic ("Resetting CPU ...\n");
54 void show_regs (struct pt_regs *regs)
56 unsigned long __maybe_unused flags;
57 const char __maybe_unused *processor_modes[] = {
58 "USER_26", "FIQ_26", "IRQ_26", "SVC_26",
59 "UK4_26", "UK5_26", "UK6_26", "UK7_26",
60 "UK8_26", "UK9_26", "UK10_26", "UK11_26",
61 "UK12_26", "UK13_26", "UK14_26", "UK15_26",
62 "USER_32", "FIQ_32", "IRQ_32", "SVC_32",
63 "UK4_32", "UK5_32", "UK6_32", "ABT_32",
64 "UK8_32", "UK9_32", "HYP_32", "UND_32",
65 "UK12_32", "UK13_32", "UK14_32", "SYS_32",
68 flags = condition_codes (regs);
70 printf("pc : [<%08lx>] lr : [<%08lx>]\n",
71 instruction_pointer(regs), regs->ARM_lr);
72 if (gd->flags & GD_FLG_RELOC) {
73 printf("reloc pc : [<%08lx>] lr : [<%08lx>]\n",
74 instruction_pointer(regs) - gd->reloc_off,
75 regs->ARM_lr - gd->reloc_off);
77 printf("sp : %08lx ip : %08lx fp : %08lx\n",
78 regs->ARM_sp, regs->ARM_ip, regs->ARM_fp);
79 printf ("r10: %08lx r9 : %08lx r8 : %08lx\n",
80 regs->ARM_r10, regs->ARM_r9, regs->ARM_r8);
81 printf ("r7 : %08lx r6 : %08lx r5 : %08lx r4 : %08lx\n",
82 regs->ARM_r7, regs->ARM_r6, regs->ARM_r5, regs->ARM_r4);
83 printf ("r3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n",
84 regs->ARM_r3, regs->ARM_r2, regs->ARM_r1, regs->ARM_r0);
85 printf ("Flags: %c%c%c%c",
86 flags & CC_N_BIT ? 'N' : 'n',
87 flags & CC_Z_BIT ? 'Z' : 'z',
88 flags & CC_C_BIT ? 'C' : 'c', flags & CC_V_BIT ? 'V' : 'v');
89 printf (" IRQs %s FIQs %s Mode %s%s\n",
90 interrupts_enabled (regs) ? "on" : "off",
91 fast_interrupts_enabled (regs) ? "on" : "off",
92 processor_modes[processor_mode (regs)],
93 thumb_mode (regs) ? " (T)" : "");
96 void do_undefined_instruction (struct pt_regs *pt_regs)
99 printf ("undefined instruction\n");
104 void do_software_interrupt (struct pt_regs *pt_regs)
107 printf ("software interrupt\n");
112 void do_prefetch_abort (struct pt_regs *pt_regs)
115 printf ("prefetch abort\n");
120 void do_data_abort (struct pt_regs *pt_regs)
123 printf ("data abort\n");
128 void do_not_used (struct pt_regs *pt_regs)
131 printf ("not used\n");
136 void do_fiq (struct pt_regs *pt_regs)
139 printf ("fast interrupt request\n");
144 void do_irq (struct pt_regs *pt_regs)
147 printf ("interrupt request\n");