| /* |
| * 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_LAST_BREAK 0x110 |
| |
| #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_USER_TIMER 0x260 |
| #define __LC_SYSTEM_TIMER 0x268 |
| #define __LC_STEAL_TIMER 0x270 |
| #define __LC_LAST_UPDATE_TIMER 0x278 |
| #define __LC_LAST_UPDATE_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_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_USER_TIMER 0x268 |
| #define __LC_SYSTEM_TIMER 0x270 |
| #define __LC_STEAL_TIMER 0x278 |
| #define __LC_LAST_UPDATE_TIMER 0x280 |
| #define __LC_LAST_UPDATE_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_CURRENT 0xDD8 |
| #define __LC_INT_CLOCK 0xDE8 |
| #define __LC_VDSO_PER_CPU 0xE38 |
| #endif /* __s390x__ */ |
| |
| #define __LC_PASTE 0xE40 |
| |
| #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 user_timer; /* 0x260 */ |
| __u64 system_timer; /* 0x268 */ |
| __u64 steal_timer; /* 0x270 */ |
| __u64 last_update_timer; /* 0x278 */ |
| __u64 last_update_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 clock_comparator; /* 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 user_timer; /* 0x268 */ |
| __u64 system_timer; /* 0x270 */ |
| __u64 steal_timer; /* 0x278 */ |
| __u64 last_update_timer; /* 0x280 */ |
| __u64 last_update_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 clock_comparator; /* 0xdc0 */ |
| __u64 ext_call_fast; /* 0xdc8 */ |
| __u64 percpu_offset; /* 0xdd0 */ |
| __u64 current_task; /* 0xdd8 */ |
| __u32 softirq_pending; /* 0xde0 */ |
| __u32 pad_0x0de4; /* 0xde4 */ |
| __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 */ |
| |
| /* Per cpu primary space access list */ |
| __u8 pad_0xe04[0xe3c-0xe04]; /* 0xe04 */ |
| __u32 vdso_per_cpu_data; /* 0xe3c */ |
| __u32 paste[16]; /* 0xe40 */ |
| |
| __u8 pad13[0x11b8-0xe80]; /* 0xe80 */ |
| |
| /* 64 bit extparam used for pfault, diag 250 etc */ |
| __u64 ext_params2; /* 0x11B8 */ |
| |
| __u8 pad14[0x1200-0x11C0]; /* 0x11C0 */ |
| |
| /* System info area */ |
| |
| __u64 floating_pt_save_area[16]; /* 0x1200 */ |
| __u64 gpregs_save_area[16]; /* 0x1280 */ |
| __u32 st_status_fixed_logout[4]; /* 0x1300 */ |
| __u8 pad15[0x1318-0x1310]; /* 0x1310 */ |
| __u32 prefixreg_save_area; /* 0x1318 */ |
| __u32 fpt_creg_save_area; /* 0x131c */ |
| __u8 pad16[0x1324-0x1320]; /* 0x1320 */ |
| __u32 tod_progreg_save_area; /* 0x1324 */ |
| __u32 cpu_timer_save_area[2]; /* 0x1328 */ |
| __u32 clock_comp_save_area[2]; /* 0x1330 */ |
| __u8 pad17[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 pad18[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 |
