| /* | |
| * include/asm-s390/lowcore.h | |
| * | |
| * S390 version | |
| * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation | |
| * Author(s): Hartmut Penner (hp@de.ibm.com), | |
| * Martin Schwidefsky (schwidefsky@de.ibm.com), | |
| * Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) | |
| */ | |
| #ifndef _ASM_S390_LOWCORE_H | |
| #define _ASM_S390_LOWCORE_H | |
| #ifndef __s390x__ | |
| #define __LC_EXT_OLD_PSW 0x018 | |
| #define __LC_SVC_OLD_PSW 0x020 | |
| #define __LC_PGM_OLD_PSW 0x028 | |
| #define __LC_MCK_OLD_PSW 0x030 | |
| #define __LC_IO_OLD_PSW 0x038 | |
| #define __LC_EXT_NEW_PSW 0x058 | |
| #define __LC_SVC_NEW_PSW 0x060 | |
| #define __LC_PGM_NEW_PSW 0x068 | |
| #define __LC_MCK_NEW_PSW 0x070 | |
| #define __LC_IO_NEW_PSW 0x078 | |
| #else /* !__s390x__ */ | |
| #define __LC_EXT_OLD_PSW 0x0130 | |
| #define __LC_SVC_OLD_PSW 0x0140 | |
| #define __LC_PGM_OLD_PSW 0x0150 | |
| #define __LC_MCK_OLD_PSW 0x0160 | |
| #define __LC_IO_OLD_PSW 0x0170 | |
| #define __LC_EXT_NEW_PSW 0x01b0 | |
| #define __LC_SVC_NEW_PSW 0x01c0 | |
| #define __LC_PGM_NEW_PSW 0x01d0 | |
| #define __LC_MCK_NEW_PSW 0x01e0 | |
| #define __LC_IO_NEW_PSW 0x01f0 | |
| #endif /* !__s390x__ */ | |
| #define __LC_IPL_PARMBLOCK_PTR 0x014 | |
| #define __LC_EXT_PARAMS 0x080 | |
| #define __LC_CPU_ADDRESS 0x084 | |
| #define __LC_EXT_INT_CODE 0x086 | |
| #define __LC_SVC_ILC 0x088 | |
| #define __LC_SVC_INT_CODE 0x08A | |
| #define __LC_PGM_ILC 0x08C | |
| #define __LC_PGM_INT_CODE 0x08E | |
| #define __LC_PER_ATMID 0x096 | |
| #define __LC_PER_ADDRESS 0x098 | |
| #define __LC_PER_ACCESS_ID 0x0A1 | |
| #define __LC_AR_MODE_ID 0x0A3 | |
| #define __LC_SUBCHANNEL_ID 0x0B8 | |
| #define __LC_SUBCHANNEL_NR 0x0BA | |
| #define __LC_IO_INT_PARM 0x0BC | |
| #define __LC_IO_INT_WORD 0x0C0 | |
| #define __LC_MCCK_CODE 0x0E8 | |
| #define __LC_RETURN_PSW 0x200 | |
| #define __LC_SAVE_AREA 0xC00 | |
| #ifndef __s390x__ | |
| #define __LC_IRB 0x208 | |
| #define __LC_SYNC_ENTER_TIMER 0x248 | |
| #define __LC_ASYNC_ENTER_TIMER 0x250 | |
| #define __LC_EXIT_TIMER 0x258 | |
| #define __LC_LAST_UPDATE_TIMER 0x260 | |
| #define __LC_USER_TIMER 0x268 | |
| #define __LC_SYSTEM_TIMER 0x270 | |
| #define __LC_LAST_UPDATE_CLOCK 0x278 | |
| #define __LC_STEAL_CLOCK 0x280 | |
| #define __LC_RETURN_MCCK_PSW 0x288 | |
| #define __LC_KERNEL_STACK 0xC40 | |
| #define __LC_THREAD_INFO 0xC44 | |
| #define __LC_ASYNC_STACK 0xC48 | |
| #define __LC_KERNEL_ASCE 0xC4C | |
| #define __LC_USER_ASCE 0xC50 | |
| #define __LC_PANIC_STACK 0xC54 | |
| #define __LC_CPUID 0xC60 | |
| #define __LC_CPUADDR 0xC68 | |
| #define __LC_IPLDEV 0xC7C | |
| #define __LC_JIFFY_TIMER 0xC80 | |
| #define __LC_CURRENT 0xC90 | |
| #define __LC_INT_CLOCK 0xC98 | |
| #else /* __s390x__ */ | |
| #define __LC_IRB 0x210 | |
| #define __LC_SYNC_ENTER_TIMER 0x250 | |
| #define __LC_ASYNC_ENTER_TIMER 0x258 | |
| #define __LC_EXIT_TIMER 0x260 | |
| #define __LC_LAST_UPDATE_TIMER 0x268 | |
| #define __LC_USER_TIMER 0x270 | |
| #define __LC_SYSTEM_TIMER 0x278 | |
| #define __LC_LAST_UPDATE_CLOCK 0x280 | |
| #define __LC_STEAL_CLOCK 0x288 | |
| #define __LC_RETURN_MCCK_PSW 0x290 | |
| #define __LC_KERNEL_STACK 0xD40 | |
| #define __LC_THREAD_INFO 0xD48 | |
| #define __LC_ASYNC_STACK 0xD50 | |
| #define __LC_KERNEL_ASCE 0xD58 | |
| #define __LC_USER_ASCE 0xD60 | |
| #define __LC_PANIC_STACK 0xD68 | |
| #define __LC_CPUID 0xD80 | |
| #define __LC_CPUADDR 0xD88 | |
| #define __LC_IPLDEV 0xDB8 | |
| #define __LC_JIFFY_TIMER 0xDC0 | |
| #define __LC_CURRENT 0xDD8 | |
| #define __LC_INT_CLOCK 0xDE8 | |
| #endif /* __s390x__ */ | |
| #define __LC_PANIC_MAGIC 0xE00 | |
| #ifndef __s390x__ | |
| #define __LC_PFAULT_INTPARM 0x080 | |
| #define __LC_CPU_TIMER_SAVE_AREA 0x0D8 | |
| #define __LC_CLOCK_COMP_SAVE_AREA 0x0E0 | |
| #define __LC_PSW_SAVE_AREA 0x100 | |
| #define __LC_PREFIX_SAVE_AREA 0x108 | |
| #define __LC_AREGS_SAVE_AREA 0x120 | |
| #define __LC_FPREGS_SAVE_AREA 0x160 | |
| #define __LC_GPREGS_SAVE_AREA 0x180 | |
| #define __LC_CREGS_SAVE_AREA 0x1C0 | |
| #else /* __s390x__ */ | |
| #define __LC_PFAULT_INTPARM 0x11B8 | |
| #define __LC_FPREGS_SAVE_AREA 0x1200 | |
| #define __LC_GPREGS_SAVE_AREA 0x1280 | |
| #define __LC_PSW_SAVE_AREA 0x1300 | |
| #define __LC_PREFIX_SAVE_AREA 0x1318 | |
| #define __LC_FP_CREG_SAVE_AREA 0x131C | |
| #define __LC_TODREG_SAVE_AREA 0x1324 | |
| #define __LC_CPU_TIMER_SAVE_AREA 0x1328 | |
| #define __LC_CLOCK_COMP_SAVE_AREA 0x1331 | |
| #define __LC_AREGS_SAVE_AREA 0x1340 | |
| #define __LC_CREGS_SAVE_AREA 0x1380 | |
| #endif /* __s390x__ */ | |
| #ifndef __ASSEMBLY__ | |
| #include <asm/processor.h> | |
| #include <linux/types.h> | |
| #include <asm/sigp.h> | |
| void restart_int_handler(void); | |
| void ext_int_handler(void); | |
| void system_call(void); | |
| void pgm_check_handler(void); | |
| void mcck_int_handler(void); | |
| void io_int_handler(void); | |
| struct save_area_s390 { | |
| u32 ext_save; | |
| u64 timer; | |
| u64 clk_cmp; | |
| u8 pad1[24]; | |
| u8 psw[8]; | |
| u32 pref_reg; | |
| u8 pad2[20]; | |
| u32 acc_regs[16]; | |
| u64 fp_regs[4]; | |
| u32 gp_regs[16]; | |
| u32 ctrl_regs[16]; | |
| } __attribute__((packed)); | |
| struct save_area_s390x { | |
| u64 fp_regs[16]; | |
| u64 gp_regs[16]; | |
| u8 psw[16]; | |
| u8 pad1[8]; | |
| u32 pref_reg; | |
| u32 fp_ctrl_reg; | |
| u8 pad2[4]; | |
| u32 tod_reg; | |
| u64 timer; | |
| u64 clk_cmp; | |
| u8 pad3[8]; | |
| u32 acc_regs[16]; | |
| u64 ctrl_regs[16]; | |
| } __attribute__((packed)); | |
| union save_area { | |
| struct save_area_s390 s390; | |
| struct save_area_s390x s390x; | |
| }; | |
| #define SAVE_AREA_BASE_S390 0xd4 | |
| #define SAVE_AREA_BASE_S390X 0x1200 | |
| #ifndef __s390x__ | |
| #define SAVE_AREA_SIZE sizeof(struct save_area_s390) | |
| #define SAVE_AREA_BASE SAVE_AREA_BASE_S390 | |
| #else | |
| #define SAVE_AREA_SIZE sizeof(struct save_area_s390x) | |
| #define SAVE_AREA_BASE SAVE_AREA_BASE_S390X | |
| #endif | |
| struct _lowcore | |
| { | |
| #ifndef __s390x__ | |
| /* prefix area: defined by architecture */ | |
| psw_t restart_psw; /* 0x000 */ | |
| __u32 ccw2[4]; /* 0x008 */ | |
| psw_t external_old_psw; /* 0x018 */ | |
| psw_t svc_old_psw; /* 0x020 */ | |
| psw_t program_old_psw; /* 0x028 */ | |
| psw_t mcck_old_psw; /* 0x030 */ | |
| psw_t io_old_psw; /* 0x038 */ | |
| __u8 pad1[0x58-0x40]; /* 0x040 */ | |
| psw_t external_new_psw; /* 0x058 */ | |
| psw_t svc_new_psw; /* 0x060 */ | |
| psw_t program_new_psw; /* 0x068 */ | |
| psw_t mcck_new_psw; /* 0x070 */ | |
| psw_t io_new_psw; /* 0x078 */ | |
| __u32 ext_params; /* 0x080 */ | |
| __u16 cpu_addr; /* 0x084 */ | |
| __u16 ext_int_code; /* 0x086 */ | |
| __u16 svc_ilc; /* 0x088 */ | |
| __u16 svc_code; /* 0x08a */ | |
| __u16 pgm_ilc; /* 0x08c */ | |
| __u16 pgm_code; /* 0x08e */ | |
| __u32 trans_exc_code; /* 0x090 */ | |
| __u16 mon_class_num; /* 0x094 */ | |
| __u16 per_perc_atmid; /* 0x096 */ | |
| __u32 per_address; /* 0x098 */ | |
| __u32 monitor_code; /* 0x09c */ | |
| __u8 exc_access_id; /* 0x0a0 */ | |
| __u8 per_access_id; /* 0x0a1 */ | |
| __u8 pad2[0xB8-0xA2]; /* 0x0a2 */ | |
| __u16 subchannel_id; /* 0x0b8 */ | |
| __u16 subchannel_nr; /* 0x0ba */ | |
| __u32 io_int_parm; /* 0x0bc */ | |
| __u32 io_int_word; /* 0x0c0 */ | |
| __u8 pad3[0xc8-0xc4]; /* 0x0c4 */ | |
| __u32 stfl_fac_list; /* 0x0c8 */ | |
| __u8 pad4[0xd4-0xcc]; /* 0x0cc */ | |
| __u32 extended_save_area_addr; /* 0x0d4 */ | |
| __u32 cpu_timer_save_area[2]; /* 0x0d8 */ | |
| __u32 clock_comp_save_area[2]; /* 0x0e0 */ | |
| __u32 mcck_interruption_code[2]; /* 0x0e8 */ | |
| __u8 pad5[0xf4-0xf0]; /* 0x0f0 */ | |
| __u32 external_damage_code; /* 0x0f4 */ | |
| __u32 failing_storage_address; /* 0x0f8 */ | |
| __u8 pad6[0x100-0xfc]; /* 0x0fc */ | |
| __u32 st_status_fixed_logout[4];/* 0x100 */ | |
| __u8 pad7[0x120-0x110]; /* 0x110 */ | |
| __u32 access_regs_save_area[16];/* 0x120 */ | |
| __u32 floating_pt_save_area[8]; /* 0x160 */ | |
| __u32 gpregs_save_area[16]; /* 0x180 */ | |
| __u32 cregs_save_area[16]; /* 0x1c0 */ | |
| psw_t return_psw; /* 0x200 */ | |
| __u8 irb[64]; /* 0x208 */ | |
| __u64 sync_enter_timer; /* 0x248 */ | |
| __u64 async_enter_timer; /* 0x250 */ | |
| __u64 exit_timer; /* 0x258 */ | |
| __u64 last_update_timer; /* 0x260 */ | |
| __u64 user_timer; /* 0x268 */ | |
| __u64 system_timer; /* 0x270 */ | |
| __u64 last_update_clock; /* 0x278 */ | |
| __u64 steal_clock; /* 0x280 */ | |
| psw_t return_mcck_psw; /* 0x288 */ | |
| __u8 pad8[0xc00-0x290]; /* 0x290 */ | |
| /* System info area */ | |
| __u32 save_area[16]; /* 0xc00 */ | |
| __u32 kernel_stack; /* 0xc40 */ | |
| __u32 thread_info; /* 0xc44 */ | |
| __u32 async_stack; /* 0xc48 */ | |
| __u32 kernel_asce; /* 0xc4c */ | |
| __u32 user_asce; /* 0xc50 */ | |
| __u32 panic_stack; /* 0xc54 */ | |
| __u32 user_exec_asce; /* 0xc58 */ | |
| __u8 pad10[0xc60-0xc5c]; /* 0xc5c */ | |
| /* entry.S sensitive area start */ | |
| struct cpuinfo_S390 cpu_data; /* 0xc60 */ | |
| __u32 ipl_device; /* 0xc7c */ | |
| /* entry.S sensitive area end */ | |
| /* SMP info area: defined by DJB */ | |
| __u64 jiffy_timer; /* 0xc80 */ | |
| __u32 ext_call_fast; /* 0xc88 */ | |
| __u32 percpu_offset; /* 0xc8c */ | |
| __u32 current_task; /* 0xc90 */ | |
| __u32 softirq_pending; /* 0xc94 */ | |
| __u64 int_clock; /* 0xc98 */ | |
| __u8 pad11[0xe00-0xca0]; /* 0xca0 */ | |
| /* 0xe00 is used as indicator for dump tools */ | |
| /* whether the kernel died with panic() or not */ | |
| __u32 panic_magic; /* 0xe00 */ | |
| /* Align to the top 1k of prefix area */ | |
| __u8 pad12[0x1000-0xe04]; /* 0xe04 */ | |
| #else /* !__s390x__ */ | |
| /* prefix area: defined by architecture */ | |
| __u32 ccw1[2]; /* 0x000 */ | |
| __u32 ccw2[4]; /* 0x008 */ | |
| __u8 pad1[0x80-0x18]; /* 0x018 */ | |
| __u32 ext_params; /* 0x080 */ | |
| __u16 cpu_addr; /* 0x084 */ | |
| __u16 ext_int_code; /* 0x086 */ | |
| __u16 svc_ilc; /* 0x088 */ | |
| __u16 svc_code; /* 0x08a */ | |
| __u16 pgm_ilc; /* 0x08c */ | |
| __u16 pgm_code; /* 0x08e */ | |
| __u32 data_exc_code; /* 0x090 */ | |
| __u16 mon_class_num; /* 0x094 */ | |
| __u16 per_perc_atmid; /* 0x096 */ | |
| addr_t per_address; /* 0x098 */ | |
| __u8 exc_access_id; /* 0x0a0 */ | |
| __u8 per_access_id; /* 0x0a1 */ | |
| __u8 op_access_id; /* 0x0a2 */ | |
| __u8 ar_access_id; /* 0x0a3 */ | |
| __u8 pad2[0xA8-0xA4]; /* 0x0a4 */ | |
| addr_t trans_exc_code; /* 0x0A0 */ | |
| addr_t monitor_code; /* 0x09c */ | |
| __u16 subchannel_id; /* 0x0b8 */ | |
| __u16 subchannel_nr; /* 0x0ba */ | |
| __u32 io_int_parm; /* 0x0bc */ | |
| __u32 io_int_word; /* 0x0c0 */ | |
| __u8 pad3[0xc8-0xc4]; /* 0x0c4 */ | |
| __u32 stfl_fac_list; /* 0x0c8 */ | |
| __u8 pad4[0xe8-0xcc]; /* 0x0cc */ | |
| __u32 mcck_interruption_code[2]; /* 0x0e8 */ | |
| __u8 pad5[0xf4-0xf0]; /* 0x0f0 */ | |
| __u32 external_damage_code; /* 0x0f4 */ | |
| addr_t failing_storage_address; /* 0x0f8 */ | |
| __u8 pad6[0x120-0x100]; /* 0x100 */ | |
| psw_t restart_old_psw; /* 0x120 */ | |
| psw_t external_old_psw; /* 0x130 */ | |
| psw_t svc_old_psw; /* 0x140 */ | |
| psw_t program_old_psw; /* 0x150 */ | |
| psw_t mcck_old_psw; /* 0x160 */ | |
| psw_t io_old_psw; /* 0x170 */ | |
| __u8 pad7[0x1a0-0x180]; /* 0x180 */ | |
| psw_t restart_psw; /* 0x1a0 */ | |
| psw_t external_new_psw; /* 0x1b0 */ | |
| psw_t svc_new_psw; /* 0x1c0 */ | |
| psw_t program_new_psw; /* 0x1d0 */ | |
| psw_t mcck_new_psw; /* 0x1e0 */ | |
| psw_t io_new_psw; /* 0x1f0 */ | |
| psw_t return_psw; /* 0x200 */ | |
| __u8 irb[64]; /* 0x210 */ | |
| __u64 sync_enter_timer; /* 0x250 */ | |
| __u64 async_enter_timer; /* 0x258 */ | |
| __u64 exit_timer; /* 0x260 */ | |
| __u64 last_update_timer; /* 0x268 */ | |
| __u64 user_timer; /* 0x270 */ | |
| __u64 system_timer; /* 0x278 */ | |
| __u64 last_update_clock; /* 0x280 */ | |
| __u64 steal_clock; /* 0x288 */ | |
| psw_t return_mcck_psw; /* 0x290 */ | |
| __u8 pad8[0xc00-0x2a0]; /* 0x2a0 */ | |
| /* System info area */ | |
| __u64 save_area[16]; /* 0xc00 */ | |
| __u8 pad9[0xd40-0xc80]; /* 0xc80 */ | |
| __u64 kernel_stack; /* 0xd40 */ | |
| __u64 thread_info; /* 0xd48 */ | |
| __u64 async_stack; /* 0xd50 */ | |
| __u64 kernel_asce; /* 0xd58 */ | |
| __u64 user_asce; /* 0xd60 */ | |
| __u64 panic_stack; /* 0xd68 */ | |
| __u64 user_exec_asce; /* 0xd70 */ | |
| __u8 pad10[0xd80-0xd78]; /* 0xd78 */ | |
| /* entry.S sensitive area start */ | |
| struct cpuinfo_S390 cpu_data; /* 0xd80 */ | |
| __u32 ipl_device; /* 0xdb8 */ | |
| __u32 pad11; /* 0xdbc */ | |
| /* entry.S sensitive area end */ | |
| /* SMP info area: defined by DJB */ | |
| __u64 jiffy_timer; /* 0xdc0 */ | |
| __u64 ext_call_fast; /* 0xdc8 */ | |
| __u64 percpu_offset; /* 0xdd0 */ | |
| __u64 current_task; /* 0xdd8 */ | |
| __u64 softirq_pending; /* 0xde0 */ | |
| __u64 int_clock; /* 0xde8 */ | |
| __u8 pad12[0xe00-0xdf0]; /* 0xdf0 */ | |
| /* 0xe00 is used as indicator for dump tools */ | |
| /* whether the kernel died with panic() or not */ | |
| __u32 panic_magic; /* 0xe00 */ | |
| __u8 pad13[0x1200-0xe04]; /* 0xe04 */ | |
| /* System info area */ | |
| __u64 floating_pt_save_area[16]; /* 0x1200 */ | |
| __u64 gpregs_save_area[16]; /* 0x1280 */ | |
| __u32 st_status_fixed_logout[4]; /* 0x1300 */ | |
| __u8 pad14[0x1318-0x1310]; /* 0x1310 */ | |
| __u32 prefixreg_save_area; /* 0x1318 */ | |
| __u32 fpt_creg_save_area; /* 0x131c */ | |
| __u8 pad15[0x1324-0x1320]; /* 0x1320 */ | |
| __u32 tod_progreg_save_area; /* 0x1324 */ | |
| __u32 cpu_timer_save_area[2]; /* 0x1328 */ | |
| __u32 clock_comp_save_area[2]; /* 0x1330 */ | |
| __u8 pad16[0x1340-0x1338]; /* 0x1338 */ | |
| __u32 access_regs_save_area[16]; /* 0x1340 */ | |
| __u64 cregs_save_area[16]; /* 0x1380 */ | |
| /* align to the top of the prefix area */ | |
| __u8 pad17[0x2000-0x1400]; /* 0x1400 */ | |
| #endif /* !__s390x__ */ | |
| } __attribute__((packed)); /* End structure*/ | |
| #define S390_lowcore (*((struct _lowcore *) 0)) | |
| extern struct _lowcore *lowcore_ptr[]; | |
| static inline void set_prefix(__u32 address) | |
| { | |
| asm volatile("spx %0" : : "m" (address) : "memory"); | |
| } | |
| static inline __u32 store_prefix(void) | |
| { | |
| __u32 address; | |
| asm volatile("stpx %0" : "=m" (address)); | |
| return address; | |
| } | |
| #define __PANIC_MAGIC 0xDEADC0DE | |
| #endif | |
| #endif |