1 // SPDX-License-Identifier: GPL-2.0+
4 * David Feng <fenghua@phytium.com.cn>
8 #include <linux/compiler.h>
9 #include <efi_loader.h>
11 DECLARE_GLOBAL_DATA_PTR;
13 int interrupt_init(void)
18 void enable_interrupts(void)
23 int disable_interrupts(void)
28 static void show_efi_loaded_images(struct pt_regs *regs)
30 efi_print_image_infos((void *)regs->elr);
33 void show_regs(struct pt_regs *regs)
37 if (gd->flags & GD_FLG_RELOC)
38 printf("elr: %016lx lr : %016lx (reloc)\n",
39 regs->elr - gd->reloc_off,
40 regs->regs[30] - gd->reloc_off);
41 printf("elr: %016lx lr : %016lx\n", regs->elr, regs->regs[30]);
43 for (i = 0; i < 29; i += 2)
44 printf("x%-2d: %016lx x%-2d: %016lx\n",
45 i, regs->regs[i], i+1, regs->regs[i+1]);
50 * do_bad_sync handles the impossible case in the Synchronous Abort vector.
52 void do_bad_sync(struct pt_regs *pt_regs, unsigned int esr)
55 printf("Bad mode in \"Synchronous Abort\" handler, esr 0x%08x\n", esr);
57 show_efi_loaded_images(pt_regs);
58 panic("Resetting CPU ...\n");
62 * do_bad_irq handles the impossible case in the Irq vector.
64 void do_bad_irq(struct pt_regs *pt_regs, unsigned int esr)
67 printf("Bad mode in \"Irq\" handler, esr 0x%08x\n", esr);
69 show_efi_loaded_images(pt_regs);
70 panic("Resetting CPU ...\n");
74 * do_bad_fiq handles the impossible case in the Fiq vector.
76 void do_bad_fiq(struct pt_regs *pt_regs, unsigned int esr)
79 printf("Bad mode in \"Fiq\" handler, esr 0x%08x\n", esr);
81 show_efi_loaded_images(pt_regs);
82 panic("Resetting CPU ...\n");
86 * do_bad_error handles the impossible case in the Error vector.
88 void do_bad_error(struct pt_regs *pt_regs, unsigned int esr)
91 printf("Bad mode in \"Error\" handler, esr 0x%08x\n", esr);
93 show_efi_loaded_images(pt_regs);
94 panic("Resetting CPU ...\n");
98 * do_sync handles the Synchronous Abort exception.
100 void do_sync(struct pt_regs *pt_regs, unsigned int esr)
103 printf("\"Synchronous Abort\" handler, esr 0x%08x\n", esr);
105 show_efi_loaded_images(pt_regs);
106 panic("Resetting CPU ...\n");
110 * do_irq handles the Irq exception.
112 void do_irq(struct pt_regs *pt_regs, unsigned int esr)
115 printf("\"Irq\" handler, esr 0x%08x\n", esr);
117 show_efi_loaded_images(pt_regs);
118 panic("Resetting CPU ...\n");
122 * do_fiq handles the Fiq exception.
124 void do_fiq(struct pt_regs *pt_regs, unsigned int esr)
127 printf("\"Fiq\" handler, esr 0x%08x\n", esr);
129 show_efi_loaded_images(pt_regs);
130 panic("Resetting CPU ...\n");
134 * do_error handles the Error exception.
135 * Errors are more likely to be processor specific,
136 * it is defined with weak attribute and can be redefined
137 * in processor specific code.
139 void __weak do_error(struct pt_regs *pt_regs, unsigned int esr)
142 printf("\"Error\" handler, esr 0x%08x\n", esr);
144 show_efi_loaded_images(pt_regs);
145 panic("Resetting CPU ...\n");