1 files changed, 163 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/lib/interrupts_64.c b/roms/u-boot/arch/arm/lib/interrupts_64.c
new file mode 100644
index 000000000..c653e67db
--- /dev/null
+++ b/roms/u-boot/arch/arm/lib/interrupts_64.c
@@ -0,0 +1,163 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2013
+ * David Feng <fenghua@phytium.com.cn>
+ */
+
+#include <common.h>
+#include <asm/global_data.h>
+#include <asm/ptrace.h>
+#include <irq_func.h>
+#include <linux/compiler.h>
+#include <efi_loader.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int interrupt_init(void)
+{
+	enable_interrupts();
+
+	return 0;
+}
+
+void enable_interrupts(void)
+{
+	return;
+}
+
+int disable_interrupts(void)
+{
+	return 0;
+}
+
+static void show_efi_loaded_images(struct pt_regs *regs)
+{
+	efi_print_image_infos((void *)regs->elr);
+}
+
+static void dump_instr(struct pt_regs *regs)
+{
+	u32 *addr = (u32 *)(regs->elr & ~3UL);
+	int i;
+
+	printf("Code: ");
+	for (i = -4; i < 1; i++)
+		printf(i == 0 ? "(%08x) " : "%08x ", addr[i]);
+	printf("\n");
+}
+
+void show_regs(struct pt_regs *regs)
+{
+	int i;
+
+	if (gd->flags & GD_FLG_RELOC)
+		printf("elr: %016lx lr : %016lx (reloc)\n",
+		       regs->elr - gd->reloc_off,
+		       regs->regs[30] - gd->reloc_off);
+	printf("elr: %016lx lr : %016lx\n", regs->elr, regs->regs[30]);
+
+	for (i = 0; i < 29; i += 2)
+		printf("x%-2d: %016lx x%-2d: %016lx\n",
+		       i, regs->regs[i], i+1, regs->regs[i+1]);
+	printf("\n");
+	dump_instr(regs);
+}
+
+/*
+ * do_bad_sync handles the impossible case in the Synchronous Abort vector.
+ */
+void do_bad_sync(struct pt_regs *pt_regs, unsigned int esr)
+{
+	efi_restore_gd();
+	printf("Bad mode in \"Synchronous Abort\" handler, esr 0x%08x\n", esr);
+	show_regs(pt_regs);
+	show_efi_loaded_images(pt_regs);
+	panic("Resetting CPU ...\n");
+}
+
+/*
+ * do_bad_irq handles the impossible case in the Irq vector.
+ */
+void do_bad_irq(struct pt_regs *pt_regs, unsigned int esr)
+{
+	efi_restore_gd();
+	printf("Bad mode in \"Irq\" handler, esr 0x%08x\n", esr);
+	show_regs(pt_regs);
+	show_efi_loaded_images(pt_regs);
+	panic("Resetting CPU ...\n");
+}
+
+/*
+ * do_bad_fiq handles the impossible case in the Fiq vector.
+ */
+void do_bad_fiq(struct pt_regs *pt_regs, unsigned int esr)
+{
+	efi_restore_gd();
+	printf("Bad mode in \"Fiq\" handler, esr 0x%08x\n", esr);
+	show_regs(pt_regs);
+	show_efi_loaded_images(pt_regs);
+	panic("Resetting CPU ...\n");
+}
+
+/*
+ * do_bad_error handles the impossible case in the Error vector.
+ */
+void do_bad_error(struct pt_regs *pt_regs, unsigned int esr)
+{
+	efi_restore_gd();
+	printf("Bad mode in \"Error\" handler, esr 0x%08x\n", esr);
+	show_regs(pt_regs);
+	show_efi_loaded_images(pt_regs);
+	panic("Resetting CPU ...\n");
+}
+
+/*
+ * do_sync handles the Synchronous Abort exception.
+ */
+void do_sync(struct pt_regs *pt_regs, unsigned int esr)
+{
+	efi_restore_gd();
+	printf("\"Synchronous Abort\" handler, esr 0x%08x\n", esr);
+	show_regs(pt_regs);
+	show_efi_loaded_images(pt_regs);
+	panic("Resetting CPU ...\n");
+}
+
+/*
+ * do_irq handles the Irq exception.
+ */
+void do_irq(struct pt_regs *pt_regs, unsigned int esr)
+{
+	efi_restore_gd();
+	printf("\"Irq\" handler, esr 0x%08x\n", esr);
+	show_regs(pt_regs);
+	show_efi_loaded_images(pt_regs);
+	panic("Resetting CPU ...\n");
+}
+
+/*
+ * do_fiq handles the Fiq exception.
+ */
+void do_fiq(struct pt_regs *pt_regs, unsigned int esr)
+{
+	efi_restore_gd();
+	printf("\"Fiq\" handler, esr 0x%08x\n", esr);
+	show_regs(pt_regs);
+	show_efi_loaded_images(pt_regs);
+	panic("Resetting CPU ...\n");
+}
+
+/*
+ * do_error handles the Error exception.
+ * Errors are more likely to be processor specific,
+ * it is defined with weak attribute and can be redefined
+ * in processor specific code.
+ */
+void __weak do_error(struct pt_regs *pt_regs, unsigned int esr)
+{
+	efi_restore_gd();
+	printf("\"Error\" handler, esr 0x%08x\n", esr);
+	show_regs(pt_regs);
+	show_efi_loaded_images(pt_regs);
+	panic("Resetting CPU ...\n");
+}