cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

suspend.h (2576B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _ASM_SH_SUSPEND_H
      3#define _ASM_SH_SUSPEND_H
      4
      5#ifndef __ASSEMBLY__
      6#include <linux/notifier.h>
      7
      8#include <asm/ptrace.h>
      9
     10struct swsusp_arch_regs {
     11	struct pt_regs user_regs;
     12	unsigned long bank1_regs[8];
     13};
     14
     15void sh_mobile_call_standby(unsigned long mode);
     16
     17#ifdef CONFIG_CPU_IDLE
     18int sh_mobile_setup_cpuidle(void);
     19#else
     20static inline int sh_mobile_setup_cpuidle(void) { return 0; }
     21#endif
     22
     23/* notifier chains for pre/post sleep hooks */
     24extern struct atomic_notifier_head sh_mobile_pre_sleep_notifier_list;
     25extern struct atomic_notifier_head sh_mobile_post_sleep_notifier_list;
     26
     27/* priority levels for notifiers */
     28#define SH_MOBILE_SLEEP_BOARD	0
     29#define SH_MOBILE_SLEEP_CPU	1
     30#define SH_MOBILE_PRE(x)	(x)
     31#define SH_MOBILE_POST(x)	(-(x))
     32
     33/* board code registration function for self-refresh assembly snippets */
     34void sh_mobile_register_self_refresh(unsigned long flags,
     35				     void *pre_start, void *pre_end,
     36				     void *post_start, void *post_end);
     37
     38/* register structure for address/data information */
     39struct sh_sleep_regs {
     40	unsigned long stbcr;
     41	unsigned long bar;
     42
     43	/* MMU */
     44	unsigned long pteh;
     45	unsigned long ptel;
     46	unsigned long ttb;
     47	unsigned long tea;
     48	unsigned long mmucr;
     49	unsigned long ptea;
     50	unsigned long pascr;
     51	unsigned long irmcr;
     52
     53	/* Cache */
     54	unsigned long ccr;
     55	unsigned long ramcr;
     56};
     57
     58/* data area for low-level sleep code */
     59struct sh_sleep_data {
     60	/* current sleep mode (SUSP_SH_...) */
     61	unsigned long mode;
     62
     63	/* addresses of board specific self-refresh snippets */
     64	unsigned long sf_pre;
     65	unsigned long sf_post;
     66
     67	/* address of resume code */
     68	unsigned long resume;
     69
     70	/* register state saved and restored by the assembly code */
     71	unsigned long vbr;
     72	unsigned long spc;
     73	unsigned long sr;
     74	unsigned long sp;
     75
     76	/* structure for keeping register addresses */
     77	struct sh_sleep_regs addr;
     78
     79	/* structure for saving/restoring register state */
     80	struct sh_sleep_regs data;
     81};
     82
     83/* a bitmap of supported sleep modes (SUSP_SH..) */
     84extern unsigned long sh_mobile_sleep_supported;
     85
     86#endif
     87
     88/* flags passed to assembly suspend code */
     89#define SUSP_SH_SLEEP		(1 << 0) /* Regular sleep mode */
     90#define SUSP_SH_STANDBY		(1 << 1) /* SH-Mobile Software standby mode */
     91#define SUSP_SH_RSTANDBY	(1 << 2) /* SH-Mobile R-standby mode */
     92#define SUSP_SH_USTANDBY	(1 << 3) /* SH-Mobile U-standby mode */
     93#define SUSP_SH_SF		(1 << 4) /* Enable self-refresh */
     94#define SUSP_SH_MMU		(1 << 5) /* Save/restore MMU and cache */
     95#define SUSP_SH_REGS		(1 << 6) /* Save/restore registers */
     96
     97#endif /* _ASM_SH_SUSPEND_H */