mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.5 KiB
60 lines
1.5 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
// Copyright (C) 2017 Arm Ltd. |
|
#ifndef __ASM_SDEI_H |
|
#define __ASM_SDEI_H |
|
|
|
/* Values for sdei_exit_mode */ |
|
#define SDEI_EXIT_HVC 0 |
|
#define SDEI_EXIT_SMC 1 |
|
|
|
#define SDEI_STACK_SIZE IRQ_STACK_SIZE |
|
|
|
#ifndef __ASSEMBLY__ |
|
|
|
#include <linux/linkage.h> |
|
#include <linux/preempt.h> |
|
#include <linux/types.h> |
|
|
|
#include <asm/virt.h> |
|
|
|
extern unsigned long sdei_exit_mode; |
|
|
|
/* Software Delegated Exception entry point from firmware*/ |
|
asmlinkage void __sdei_asm_handler(unsigned long event_num, unsigned long arg, |
|
unsigned long pc, unsigned long pstate); |
|
|
|
/* and its CONFIG_UNMAP_KERNEL_AT_EL0 trampoline */ |
|
asmlinkage void __sdei_asm_entry_trampoline(unsigned long event_num, |
|
unsigned long arg, |
|
unsigned long pc, |
|
unsigned long pstate); |
|
|
|
/* |
|
* The above entry point does the minimum to call C code. This function does |
|
* anything else, before calling the driver. |
|
*/ |
|
struct sdei_registered_event; |
|
asmlinkage unsigned long __sdei_handler(struct pt_regs *regs, |
|
struct sdei_registered_event *arg); |
|
|
|
unsigned long sdei_arch_get_entry_point(int conduit); |
|
#define sdei_arch_get_entry_point(x) sdei_arch_get_entry_point(x) |
|
|
|
struct stack_info; |
|
|
|
bool _on_sdei_stack(unsigned long sp, struct stack_info *info); |
|
static inline bool on_sdei_stack(unsigned long sp, |
|
struct stack_info *info) |
|
{ |
|
if (!IS_ENABLED(CONFIG_VMAP_STACK)) |
|
return false; |
|
if (!IS_ENABLED(CONFIG_ARM_SDE_INTERFACE)) |
|
return false; |
|
if (in_nmi()) |
|
return _on_sdei_stack(sp, info); |
|
|
|
return false; |
|
} |
|
|
|
#endif /* __ASSEMBLY__ */ |
|
#endif /* __ASM_SDEI_H */
|
|
|