Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 80 insertions, 0 deletions

diff --git a/arch/arm64/include/asm/exception.h b/arch/arm64/include/asm/exception.h
new file mode 100644
index 0000000000..ad688e157c
--- /dev/null
+++ b/arch/arm64/include/asm/exception.h
@@ -0,0 +1,80 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Based on arch/arm/include/asm/exception.h
+ *
+ * Copyright (C) 2012 ARM Ltd.
+ */
+#ifndef __ASM_EXCEPTION_H
+#define __ASM_EXCEPTION_H
+
+#include <asm/esr.h>
+#include <asm/ptrace.h>
+
+#include <linux/interrupt.h>
+
+#define __exception_irq_entry	__irq_entry
+
+static inline unsigned long disr_to_esr(u64 disr)
+{
+	unsigned long esr = ESR_ELx_EC_SERROR << ESR_ELx_EC_SHIFT;
+
+	if ((disr & DISR_EL1_IDS) == 0)
+		esr |= (disr & DISR_EL1_ESR_MASK);
+	else
+		esr |= (disr & ESR_ELx_ISS_MASK);
+
+	return esr;
+}
+
+asmlinkage void __noreturn handle_bad_stack(struct pt_regs *regs);
+
+asmlinkage void el1t_64_sync_handler(struct pt_regs *regs);
+asmlinkage void el1t_64_irq_handler(struct pt_regs *regs);
+asmlinkage void el1t_64_fiq_handler(struct pt_regs *regs);
+asmlinkage void el1t_64_error_handler(struct pt_regs *regs);
+
+asmlinkage void el1h_64_sync_handler(struct pt_regs *regs);
+asmlinkage void el1h_64_irq_handler(struct pt_regs *regs);
+asmlinkage void el1h_64_fiq_handler(struct pt_regs *regs);
+asmlinkage void el1h_64_error_handler(struct pt_regs *regs);
+
+asmlinkage void el0t_64_sync_handler(struct pt_regs *regs);
+asmlinkage void el0t_64_irq_handler(struct pt_regs *regs);
+asmlinkage void el0t_64_fiq_handler(struct pt_regs *regs);
+asmlinkage void el0t_64_error_handler(struct pt_regs *regs);
+
+asmlinkage void el0t_32_sync_handler(struct pt_regs *regs);
+asmlinkage void el0t_32_irq_handler(struct pt_regs *regs);
+asmlinkage void el0t_32_fiq_handler(struct pt_regs *regs);
+asmlinkage void el0t_32_error_handler(struct pt_regs *regs);
+
+asmlinkage void call_on_irq_stack(struct pt_regs *regs,
+				  void (*func)(struct pt_regs *));
+asmlinkage void asm_exit_to_user_mode(struct pt_regs *regs);
+
+void do_mem_abort(unsigned long far, unsigned long esr, struct pt_regs *regs);
+void do_el0_undef(struct pt_regs *regs, unsigned long esr);
+void do_el1_undef(struct pt_regs *regs, unsigned long esr);
+void do_el0_bti(struct pt_regs *regs);
+void do_el1_bti(struct pt_regs *regs, unsigned long esr);
+void do_debug_exception(unsigned long addr_if_watchpoint, unsigned long esr,
+			struct pt_regs *regs);
+void do_fpsimd_acc(unsigned long esr, struct pt_regs *regs);
+void do_sve_acc(unsigned long esr, struct pt_regs *regs);
+void do_sme_acc(unsigned long esr, struct pt_regs *regs);
+void do_fpsimd_exc(unsigned long esr, struct pt_regs *regs);
+void do_el0_sys(unsigned long esr, struct pt_regs *regs);
+void do_sp_pc_abort(unsigned long addr, unsigned long esr, struct pt_regs *regs);
+void bad_el0_sync(struct pt_regs *regs, int reason, unsigned long esr);
+void do_el0_cp15(unsigned long esr, struct pt_regs *regs);
+int do_compat_alignment_fixup(unsigned long addr, struct pt_regs *regs);
+void do_el0_svc(struct pt_regs *regs);
+void do_el0_svc_compat(struct pt_regs *regs);
+void do_el0_fpac(struct pt_regs *regs, unsigned long esr);
+void do_el1_fpac(struct pt_regs *regs, unsigned long esr);
+void do_el0_mops(struct pt_regs *regs, unsigned long esr);
+void do_serror(struct pt_regs *regs, unsigned long esr);
+void do_notify_resume(struct pt_regs *regs, unsigned long thread_flags);
+
+void __noreturn panic_bad_stack(struct pt_regs *regs, unsigned long esr, unsigned long far);
+#endif	/* __ASM_EXCEPTION_H */