FM / asm

/usr/src/linux-headers-5.15.0-190/arch/s390/include/asm/

/usr/src/linux-headers-5.15.0-190/arch/s390/include/asm

Name	Size	Mode	Actions
fpu/	-	0755	rm
trace/	-	0755	rm
vdso/	-	0755	rm
airq.h	3421	0644	edit dl rm
alternative-asm.h	3148	0644	edit dl rm
alternative.h	5742	0644	edit dl rm
ap.h	13098	0644	edit dl rm
appldata.h	1593	0644	edit dl rm
archrandom.h	1319	0644	edit dl rm
asm-const.h	376	0644	edit dl rm
asm-prototypes.h	227	0644	edit dl rm
atomic.h	4225	0644	edit dl rm
atomic_ops.h	5100	0644	edit dl rm
barrier.h	1892	0644	edit dl rm
bitops.h	10153	0644	edit dl rm
boot_data.h	481	0644	edit dl rm
bug.h	1562	0644	edit dl rm
bugs.h	441	0644	edit dl rm
cache.h	389	0644	edit dl rm
ccwdev.h	8506	0644	edit dl rm
ccwgroup.h	2301	0644	edit dl rm
checksum.h	3352	0644	edit dl rm
chpid.h	979	0644	edit dl rm
chsc.h	1384	0644	edit dl rm
cio.h	9083	0644	edit dl rm
clocksource.h	184	0644	edit dl rm
clp.h	1426	0644	edit dl rm
cmb.h	425	0644	edit dl rm
cmpxchg.h	5195	0644	edit dl rm
compat.h	5333	0644	edit dl rm
cpacf.h	17759	0644	edit dl rm
cpcmd.h	1135	0644	edit dl rm
cpu.h	549	0644	edit dl rm
cpufeature.h	958	0644	edit dl rm
cputime.h	840	0644	edit dl rm
cpu_mcf.h	3064	0644	edit dl rm
cpu_mf-insn.h	478	0644	edit dl rm
cpu_mf.h	9606	0644	edit dl rm
crw.h	1907	0644	edit dl rm
css_chars.h	904	0644	edit dl rm
ctl_reg.h	3715	0644	edit dl rm
current.h	405	0644	edit dl rm
debug.h	14318	0644	edit dl rm
delay.h	647	0644	edit dl rm
diag.h	7017	0644	edit dl rm
dis.h	636	0644	edit dl rm
dma.h	456	0644	edit dl rm
dwarf.h	952	0644	edit dl rm
eadm.h	2082	0644	edit dl rm
ebcdic.h	1442	0644	edit dl rm
elf.h	11210	0644	edit dl rm
entry-common.h	1590	0644	edit dl rm
exec.h	269	0644	edit dl rm
extable.h	2184	0644	edit dl rm
extmem.h	804	0644	edit dl rm
facility.h	2760	0644	edit dl rm
fcx.h	8102	0644	edit dl rm
ftrace.h	1875	0644	edit dl rm
ftrace.lds.h	720	0644	edit dl rm
futex.h	1927	0644	edit dl rm
gmap.h	5760	0644	edit dl rm
hardirq.h	777	0644	edit dl rm
hugetlb.h	2966	0644	edit dl rm
hw_irq.h	210	0644	edit dl rm
idals.h	5317	0644	edit dl rm
idle.h	753	0644	edit dl rm
io.h	2153	0644	edit dl rm
ipl.h	3708	0644	edit dl rm
irq.h	2635	0644	edit dl rm
irqflags.h	1810	0644	edit dl rm
irq_work.h	204	0644	edit dl rm
isc.h	1036	0644	edit dl rm
itcw.h	950	0644	edit dl rm
jump_label.h	1411	0644	edit dl rm
kasan.h	1772	0644	edit dl rm
Kbuild	253	0644	edit dl rm
kdebug.h	386	0644	edit dl rm
kexec.h	2620	0644	edit dl rm
kfence.h	1148	0644	edit dl rm
kprobes.h	2175	0644	edit dl rm
kvm_host.h	27155	0644	edit dl rm
kvm_para.h	3761	0644	edit dl rm
linkage.h	729	0644	edit dl rm
livepatch.h	474	0644	edit dl rm
lowcore.h	6595	0644	edit dl rm
mem_detect.h	2589	0644	edit dl rm
mem_encrypt.h	365	0644	edit dl rm
mmu.h	1515	0644	edit dl rm
mmu_context.h	3491	0644	edit dl rm
mmzone.h	316	0644	edit dl rm
module.h	1209	0644	edit dl rm
nmi.h	3698	0644	edit dl rm
nospec-branch.h	342	0644	edit dl rm
nospec-insn.h	3616	0644	edit dl rm
numa.h	386	0644	edit dl rm
os_info.h	1136	0644	edit dl rm
page-states.h	486	0644	edit dl rm
page.h	5194	0644	edit dl rm
pci.h	8691	0644	edit dl rm
pci_clp.h	5346	0644	edit dl rm
pci_debug.h	608	0644	edit dl rm
pci_dma.h	5541	0644	edit dl rm
pci_insn.h	4089	0644	edit dl rm
pci_io.h	4405	0644	edit dl rm
percpu.h	6638	0644	edit dl rm
perf_event.h	3245	0644	edit dl rm
pgalloc.h	4024	0644	edit dl rm
pgtable.h	51845	0644	edit dl rm
pkey.h	737	0644	edit dl rm
pnet.h	325	0644	edit dl rm
preempt.h	3218	0644	edit dl rm
processor.h	9637	0644	edit dl rm
ptdump.h	255	0644	edit dl rm
ptrace.h	5865	0644	edit dl rm
purgatory.h	329	0644	edit dl rm
qdio.h	10011	0644	edit dl rm
runtime_instr.h	634	0644	edit dl rm
schid.h	525	0644	edit dl rm
sclp.h	4332	0644	edit dl rm
scsw.h	24630	0644	edit dl rm
seccomp.h	808	0644	edit dl rm
sections.h	1357	0644	edit dl rm
serial.h	147	0644	edit dl rm
setup.h	5156	0644	edit dl rm
set_memory.h	989	0644	edit dl rm
shmparam.h	285	0644	edit dl rm
signal.h	644	0644	edit dl rm
sigp.h	1900	0644	edit dl rm
smp.h	1932	0644	edit dl rm
softirq_stack.h	329	0644	edit dl rm
sparsemem.h	214	0644	edit dl rm
spinlock.h	3525	0644	edit dl rm
spinlock_types.h	407	0644	edit dl rm
stacktrace.h	6168	0644	edit dl rm
stp.h	1706	0644	edit dl rm
string.h	5847	0644	edit dl rm
switch_to.h	1400	0644	edit dl rm
syscall.h	4148	0644	edit dl rm
syscall_wrapper.h	5506	0644	edit dl rm
sysinfo.h	4339	0644	edit dl rm
termios.h	685	0644	edit dl rm
thread_info.h	3605	0644	edit dl rm
timex.h	6538	0644	edit dl rm
tlb.h	4296	0644	edit dl rm
tlbflush.h	3233	0644	edit dl rm
topology.h	2876	0644	edit dl rm
tpi.h	736	0644	edit dl rm
types.h	318	0644	edit dl rm
uaccess.h	10049	0644	edit dl rm
unistd.h	1030	0644	edit dl rm
unwind.h	3360	0644	edit dl rm
uprobes.h	588	0644	edit dl rm
user.h	3384	0644	edit dl rm
uv.h	10977	0644	edit dl rm
vdso.h	746	0644	edit dl rm
vga.h	170	0644	edit dl rm
vmalloc.h	90	0644	edit dl rm
vmlinux.lds.h	1167	0644	edit dl rm
vtime.h	718	0644	edit dl rm
vtimer.h	830	0644	edit dl rm
vx-insn.h	13477	0644	edit dl rm
xor.h	454	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/arch/s390/include/asm/lowcore.h (6595B)

/* SPDX-License-Identifier: GPL-2.0 */
/*
 *    Copyright IBM Corp. 1999, 2012
 *    Author(s): Hartmut Penner <hp@de.ibm.com>,
 *		 Martin Schwidefsky <schwidefsky@de.ibm.com>,
 *		 Denis Joseph Barrow,
 */

#ifndef _ASM_S390_LOWCORE_H
#define _ASM_S390_LOWCORE_H

#include <linux/types.h>
#include <asm/ptrace.h>
#include <asm/cpu.h>
#include <asm/types.h>

#define LC_ORDER 1
#define LC_PAGES 2

struct pgm_tdb {
	u64 data[32];
};

struct lowcore {
	__u8	pad_0x0000[0x0014-0x0000];	/* 0x0000 */
	__u32	ipl_parmblock_ptr;		/* 0x0014 */
	__u8	pad_0x0018[0x0080-0x0018];	/* 0x0018 */
	__u32	ext_params;			/* 0x0080 */
	union {
		struct {
			__u16 ext_cpu_addr;	/* 0x0084 */
			__u16 ext_int_code;	/* 0x0086 */
		};
		__u32 ext_int_code_addr;
	};
	__u32	svc_int_code;			/* 0x0088 */
	__u16	pgm_ilc;			/* 0x008c */
	__u16	pgm_code;			/* 0x008e */
	__u32	data_exc_code;			/* 0x0090 */
	__u16	mon_class_num;			/* 0x0094 */
	__u8	per_code;			/* 0x0096 */
	__u8	per_atmid;			/* 0x0097 */
	__u64	per_address;			/* 0x0098 */
	__u8	exc_access_id;			/* 0x00a0 */
	__u8	per_access_id;			/* 0x00a1 */
	__u8	op_access_id;			/* 0x00a2 */
	__u8	ar_mode_id;			/* 0x00a3 */
	__u8	pad_0x00a4[0x00a8-0x00a4];	/* 0x00a4 */
	__u64	trans_exc_code;			/* 0x00a8 */
	__u64	monitor_code;			/* 0x00b0 */
	union {
		struct {
			__u16	subchannel_id;	/* 0x00b8 */
			__u16	subchannel_nr;	/* 0x00ba */
			__u32	io_int_parm;	/* 0x00bc */
			__u32	io_int_word;	/* 0x00c0 */
		};
		struct tpi_info	tpi_info;	/* 0x00b8 */
	};
	__u8	pad_0x00c4[0x00c8-0x00c4];	/* 0x00c4 */
	__u32	stfl_fac_list;			/* 0x00c8 */
	__u8	pad_0x00cc[0x00e8-0x00cc];	/* 0x00cc */
	__u64	mcck_interruption_code;		/* 0x00e8 */
	__u8	pad_0x00f0[0x00f4-0x00f0];	/* 0x00f0 */
	__u32	external_damage_code;		/* 0x00f4 */
	__u64	failing_storage_address;	/* 0x00f8 */
	__u8	pad_0x0100[0x0110-0x0100];	/* 0x0100 */
	__u64	breaking_event_addr;		/* 0x0110 */
	__u8	pad_0x0118[0x0120-0x0118];	/* 0x0118 */
	psw_t	restart_old_psw;		/* 0x0120 */
	psw_t	external_old_psw;		/* 0x0130 */
	psw_t	svc_old_psw;			/* 0x0140 */
	psw_t	program_old_psw;		/* 0x0150 */
	psw_t	mcck_old_psw;			/* 0x0160 */
	psw_t	io_old_psw;			/* 0x0170 */
	__u8	pad_0x0180[0x01a0-0x0180];	/* 0x0180 */
	psw_t	restart_psw;			/* 0x01a0 */
	psw_t	external_new_psw;		/* 0x01b0 */
	psw_t	svc_new_psw;			/* 0x01c0 */
	psw_t	program_new_psw;		/* 0x01d0 */
	psw_t	mcck_new_psw;			/* 0x01e0 */
	psw_t	io_new_psw;			/* 0x01f0 */

/* Save areas. */
	__u64	save_area_sync[8];		/* 0x0200 */
	__u64	save_area_async[8];		/* 0x0240 */
	__u64	save_area_restart[1];		/* 0x0280 */

/* CPU flags. */
	__u64	cpu_flags;			/* 0x0288 */

/* Return psws. */
	psw_t	return_psw;			/* 0x0290 */
	psw_t	return_mcck_psw;		/* 0x02a0 */

/* CPU accounting and timing values. */
	__u64	sys_enter_timer;		/* 0x02b0 */
	__u8	pad_0x02b8[0x02c0-0x02b8];	/* 0x02b8 */
	__u64	mcck_enter_timer;		/* 0x02c0 */
	__u64	exit_timer;			/* 0x02c8 */
	__u64	user_timer;			/* 0x02d0 */
	__u64	guest_timer;			/* 0x02d8 */
	__u64	system_timer;			/* 0x02e0 */
	__u64	hardirq_timer;			/* 0x02e8 */
	__u64	softirq_timer;			/* 0x02f0 */
	__u64	steal_timer;			/* 0x02f8 */
	__u64	avg_steal_timer;		/* 0x0300 */
	__u64	last_update_timer;		/* 0x0308 */
	__u64	last_update_clock;		/* 0x0310 */
	__u64	int_clock;			/* 0x0318*/
	__u64	mcck_clock;			/* 0x0320 */
	__u64	clock_comparator;		/* 0x0328 */
	__u64	boot_clock[2];			/* 0x0330 */

/* Current process. */
	__u64	current_task;			/* 0x0340 */
	__u64	kernel_stack;			/* 0x0348 */

/* Interrupt, DAT-off and restartstack. */
	__u64	async_stack;			/* 0x0350 */
	__u64	nodat_stack;			/* 0x0358 */
	__u64	restart_stack;			/* 0x0360 */
	__u64	mcck_stack;			/* 0x0368 */
	/* Restart function and parameter. */
	__u64	restart_fn;			/* 0x0370 */
	__u64	restart_data;			/* 0x0378 */
	__u32	restart_source;			/* 0x0380 */
	__u32	restart_flags;			/* 0x0384 */

/* Address space pointer. */
	__u64	kernel_asce;			/* 0x0388 */
	__u64	user_asce;			/* 0x0390 */

/*
	 * The lpp and current_pid fields form a
	 * 64-bit value that is set as program
	 * parameter with the LPP instruction.
	 */
	__u32	lpp;				/* 0x0398 */
	__u32	current_pid;			/* 0x039c */

/* SMP info area */
	__u32	cpu_nr;				/* 0x03a0 */
	__u32	softirq_pending;		/* 0x03a4 */
	__s32	preempt_count;			/* 0x03a8 */
	__u32	spinlock_lockval;		/* 0x03ac */
	__u32	spinlock_index;			/* 0x03b0 */
	__u32	fpu_flags;			/* 0x03b4 */
	__u64	percpu_offset;			/* 0x03b8 */
	__u8	pad_0x03c0[0x03c8-0x03c0];	/* 0x03c0 */
	__u64	machine_flags;			/* 0x03c8 */
	__u64	gmap;				/* 0x03d0 */
	__u8	pad_0x03d8[0x0400-0x03d8];	/* 0x03d8 */

/* br %r1 trampoline */
	__u16	br_r1_trampoline;		/* 0x0400 */
	__u32	return_lpswe;			/* 0x0402 */
	__u32	return_mcck_lpswe;		/* 0x0406 */
	__u8	pad_0x040a[0x0e00-0x040a];	/* 0x040a */

/*
	 * 0xe00 contains the address of the IPL Parameter Information
	 * block. Dump tools need IPIB for IPL after dump.
	 * Note: do not change the position of any fields in 0x0e00-0x0f00
	 */
	__u64	ipib;				/* 0x0e00 */
	__u32	ipib_checksum;			/* 0x0e08 */
	__u64	vmcore_info;			/* 0x0e0c */
	__u8	pad_0x0e14[0x0e18-0x0e14];	/* 0x0e14 */
	__u64	os_info;			/* 0x0e18 */
	__u8	pad_0x0e20[0x11b0-0x0e20];	/* 0x0e20 */

/* Pointer to the machine check extended save area */
	__u64	mcesad;				/* 0x11b0 */

/* 64 bit extparam used for pfault/diag 250: defined by architecture */
	__u64	ext_params2;			/* 0x11B8 */
	__u8	pad_0x11c0[0x1200-0x11C0];	/* 0x11C0 */

/* CPU register save area: defined by architecture */
	__u64	floating_pt_save_area[16];	/* 0x1200 */
	__u64	gpregs_save_area[16];		/* 0x1280 */
	psw_t	psw_save_area;			/* 0x1300 */
	__u8	pad_0x1310[0x1318-0x1310];	/* 0x1310 */
	__u32	prefixreg_save_area;		/* 0x1318 */
	__u32	fpt_creg_save_area;		/* 0x131c */
	__u8	pad_0x1320[0x1324-0x1320];	/* 0x1320 */
	__u32	tod_progreg_save_area;		/* 0x1324 */
	__u32	cpu_timer_save_area[2];		/* 0x1328 */
	__u32	clock_comp_save_area[2];	/* 0x1330 */
	__u8	pad_0x1338[0x1340-0x1338];	/* 0x1338 */
	__u32	access_regs_save_area[16];	/* 0x1340 */
	__u64	cregs_save_area[16];		/* 0x1380 */
	__u8	pad_0x1400[0x1800-0x1400];	/* 0x1400 */

/* Transaction abort diagnostic block */
	struct pgm_tdb pgm_tdb;			/* 0x1800 */
	__u8	pad_0x1900[0x2000-0x1900];	/* 0x1900 */
} __packed __aligned(8192);

#define S390_lowcore (*((struct lowcore *) 0))

extern struct lowcore *lowcore_ptr[];

static inline void set_prefix(__u32 address)
{
	asm volatile("spx %0" : : "Q" (address) : "memory");
}

static inline __u32 store_prefix(void)
{
	__u32 address;

asm volatile("stpx %0" : "=Q" (address));
	return address;
}

#endif /* _ASM_S390_LOWCORE_H */

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