3 * David Feng <fenghua@phytium.com.cn>
5 * SPDX-License-Identifier: GPL-2.0+
9 #include <linux/compiler.h>
10 #include <efi_loader.h>
12 DECLARE_GLOBAL_DATA_PTR;
14 int interrupt_init(void)
19 void enable_interrupts(void)
24 int disable_interrupts(void)
29 void show_regs(struct pt_regs *regs)
33 if (gd->flags & GD_FLG_RELOC)
34 printf("elr: %016lx lr : %016lx (reloc)\n",
35 regs->elr - gd->reloc_off,
36 regs->regs[30] - gd->reloc_off);
37 printf("elr: %016lx lr : %016lx\n", regs->elr, regs->regs[30]);
39 for (i = 0; i < 29; i += 2)
40 printf("x%-2d: %016lx x%-2d: %016lx\n",
41 i, regs->regs[i], i+1, regs->regs[i+1]);
46 * do_bad_sync handles the impossible case in the Synchronous Abort vector.
48 void do_bad_sync(struct pt_regs *pt_regs, unsigned int esr)
51 printf("Bad mode in \"Synchronous Abort\" handler, esr 0x%08x\n", esr);
53 panic("Resetting CPU ...\n");
57 * do_bad_irq handles the impossible case in the Irq vector.
59 void do_bad_irq(struct pt_regs *pt_regs, unsigned int esr)
62 printf("Bad mode in \"Irq\" handler, esr 0x%08x\n", esr);
64 panic("Resetting CPU ...\n");
68 * do_bad_fiq handles the impossible case in the Fiq vector.
70 void do_bad_fiq(struct pt_regs *pt_regs, unsigned int esr)
73 printf("Bad mode in \"Fiq\" handler, esr 0x%08x\n", esr);
75 panic("Resetting CPU ...\n");
79 * do_bad_error handles the impossible case in the Error vector.
81 void do_bad_error(struct pt_regs *pt_regs, unsigned int esr)
84 printf("Bad mode in \"Error\" handler, esr 0x%08x\n", esr);
86 panic("Resetting CPU ...\n");
90 * do_sync handles the Synchronous Abort exception.
92 void do_sync(struct pt_regs *pt_regs, unsigned int esr)
95 printf("\"Synchronous Abort\" handler, esr 0x%08x\n", esr);
97 panic("Resetting CPU ...\n");
101 * do_irq handles the Irq exception.
103 void do_irq(struct pt_regs *pt_regs, unsigned int esr)
106 printf("\"Irq\" handler, esr 0x%08x\n", esr);
108 panic("Resetting CPU ...\n");
112 * do_fiq handles the Fiq exception.
114 void do_fiq(struct pt_regs *pt_regs, unsigned int esr)
117 printf("\"Fiq\" handler, esr 0x%08x\n", esr);
119 panic("Resetting CPU ...\n");
123 * do_error handles the Error exception.
124 * Errors are more likely to be processor specific,
125 * it is defined with weak attribute and can be redefined
126 * in processor specific code.
128 void __weak do_error(struct pt_regs *pt_regs, unsigned int esr)
131 printf("\"Error\" handler, esr 0x%08x\n", esr);
133 panic("Resetting CPU ...\n");