cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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arch.h (2694B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 *  arch/arm/include/asm/mach/arch.h
      4 *
      5 *  Copyright (C) 2000 Russell King
      6 */
      7
      8#include <linux/types.h>
      9
     10#ifndef __ASSEMBLY__
     11#include <linux/reboot.h>
     12
     13struct tag;
     14struct pt_regs;
     15struct smp_operations;
     16#ifdef CONFIG_SMP
     17#define smp_ops(ops) (&(ops))
     18#define smp_init_ops(ops) (&(ops))
     19#else
     20#define smp_ops(ops) (struct smp_operations *)NULL
     21#define smp_init_ops(ops) (bool (*)(void))NULL
     22#endif
     23
     24struct machine_desc {
     25	unsigned int		nr;		/* architecture number	*/
     26	const char		*name;		/* architecture name	*/
     27	unsigned long		atag_offset;	/* tagged list (relative) */
     28	const char *const 	*dt_compat;	/* array of device tree
     29						 * 'compatible' strings	*/
     30
     31	unsigned int		nr_irqs;	/* number of IRQs */
     32
     33#ifdef CONFIG_ZONE_DMA
     34	phys_addr_t		dma_zone_size;	/* size of DMA-able area */
     35#endif
     36
     37	unsigned int		video_start;	/* start of video RAM	*/
     38	unsigned int		video_end;	/* end of video RAM	*/
     39
     40	unsigned char		reserve_lp0 :1;	/* never has lp0	*/
     41	unsigned char		reserve_lp1 :1;	/* never has lp1	*/
     42	unsigned char		reserve_lp2 :1;	/* never has lp2	*/
     43	enum reboot_mode	reboot_mode;	/* default restart mode	*/
     44	unsigned		l2c_aux_val;	/* L2 cache aux value	*/
     45	unsigned		l2c_aux_mask;	/* L2 cache aux mask	*/
     46	void			(*l2c_write_sec)(unsigned long, unsigned);
     47	const struct smp_operations	*smp;	/* SMP operations	*/
     48	bool			(*smp_init)(void);
     49	void			(*fixup)(struct tag *, char **);
     50	void			(*dt_fixup)(void);
     51	long long		(*pv_fixup)(void);
     52	void			(*reserve)(void);/* reserve mem blocks	*/
     53	void			(*map_io)(void);/* IO mapping function	*/
     54	void			(*init_early)(void);
     55	void			(*init_irq)(void);
     56	void			(*init_time)(void);
     57	void			(*init_machine)(void);
     58	void			(*init_late)(void);
     59	void			(*handle_irq)(struct pt_regs *);
     60	void			(*restart)(enum reboot_mode, const char *);
     61};
     62
     63/*
     64 * Current machine - only accessible during boot.
     65 */
     66extern const struct machine_desc *machine_desc;
     67
     68/*
     69 * Machine type table - also only accessible during boot
     70 */
     71extern const struct machine_desc __arch_info_begin[], __arch_info_end[];
     72#define for_each_machine_desc(p)			\
     73	for (p = __arch_info_begin; p < __arch_info_end; p++)
     74
     75/*
     76 * Set of macros to define architecture features.  This is built into
     77 * a table by the linker.
     78 */
     79#define MACHINE_START(_type,_name)			\
     80static const struct machine_desc __mach_desc_##_type	\
     81 __used							\
     82 __section(".arch.info.init") = {			\
     83	.nr		= MACH_TYPE_##_type,		\
     84	.name		= _name,
     85
     86#define MACHINE_END				\
     87};
     88
     89#define DT_MACHINE_START(_name, _namestr)		\
     90static const struct machine_desc __mach_desc_##_name	\
     91 __used							\
     92 __section(".arch.info.init") = {			\
     93	.nr		= ~0,				\
     94	.name		= _namestr,
     95
     96#endif