FM / asm

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

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

Name	Size	Mode	Actions
dec/	-	0755	rm
fw/	-	0755	rm
ip32/	-	0755	rm
mach-ar7/	-	0755	rm
mach-ath25/	-	0755	rm
mach-ath79/	-	0755	rm
mach-au1x00/	-	0755	rm
mach-bcm47xx/	-	0755	rm
mach-bcm63xx/	-	0755	rm
mach-bmips/	-	0755	rm
mach-cavium-octeon/	-	0755	rm
mach-cobalt/	-	0755	rm
mach-db1x00/	-	0755	rm
mach-dec/	-	0755	rm
mach-generic/	-	0755	rm
mach-ingenic/	-	0755	rm
mach-ip22/	-	0755	rm
mach-ip27/	-	0755	rm
mach-ip28/	-	0755	rm
mach-ip30/	-	0755	rm
mach-ip32/	-	0755	rm
mach-jazz/	-	0755	rm
mach-lantiq/	-	0755	rm
mach-loongson2ef/	-	0755	rm
mach-loongson32/	-	0755	rm
mach-loongson64/	-	0755	rm
mach-malta/	-	0755	rm
mach-n64/	-	0755	rm
mach-netlogic/	-	0755	rm
mach-pic32/	-	0755	rm
mach-ralink/	-	0755	rm
mach-rc32434/	-	0755	rm
mach-rm/	-	0755	rm
mach-sibyte/	-	0755	rm
mach-tx39xx/	-	0755	rm
mach-tx49xx/	-	0755	rm
mach-vr41xx/	-	0755	rm
mips-boards/	-	0755	rm
netlogic/	-	0755	rm
octeon/	-	0755	rm
pci/	-	0755	rm
sgi/	-	0755	rm
sibyte/	-	0755	rm
sn/	-	0755	rm
txx9/	-	0755	rm
vdso/	-	0755	rm
vr41xx/	-	0755	rm
xtalk/	-	0755	rm
abi.h	853	0644	edit dl rm
addrspace.h	4039	0644	edit dl rm
amon.h	409	0644	edit dl rm
arch_hweight.h	792	0644	edit dl rm
asm-eva.h	7343	0644	edit dl rm
asm-offsets.h	35	0644	edit dl rm
asm-prototypes.h	228	0644	edit dl rm
asm.h	6688	0644	edit dl rm
asmmacro-32.h	2529	0644	edit dl rm
asmmacro-64.h	1254	0644	edit dl rm
asmmacro.h	14639	0644	edit dl rm
atomic.h	8299	0644	edit dl rm
barrier.h	3507	0644	edit dl rm
bcache.h	2086	0644	edit dl rm
bitops.h	10914	0644	edit dl rm
bitrev.h	608	0644	edit dl rm
bmips-spaces.h	268	0644	edit dl rm
bmips.h	3097	0644	edit dl rm
bootinfo.h	4928	0644	edit dl rm
branch.h	2503	0644	edit dl rm
break.h	787	0644	edit dl rm
bug.h	759	0644	edit dl rm
bugs.h	640	0644	edit dl rm
cache.h	527	0644	edit dl rm
cacheflush.h	4863	0644	edit dl rm
cacheops.h	3801	0644	edit dl rm
cdmm.h	3761	0644	edit dl rm
cevt-r4k.h	823	0644	edit dl rm
checksum.h	5743	0644	edit dl rm
clocksource.h	273	0644	edit dl rm
cmp.h	492	0644	edit dl rm
cmpxchg.h	8880	0644	edit dl rm
compat-signal.h	640	0644	edit dl rm
compat.h	3866	0644	edit dl rm
compiler.h	2669	0644	edit dl rm
cop2.h	1812	0644	edit dl rm
cpu-features.h	22723	0644	edit dl rm
cpu-info.h	6276	0644	edit dl rm
cpu-type.h	4256	0644	edit dl rm
cpu.h	16955	0644	edit dl rm
cpufeature.h	510	0644	edit dl rm
debug.h	447	0644	edit dl rm
delay.h	841	0644	edit dl rm
div64.h	2223	0644	edit dl rm
dma-direct.h	255	0644	edit dl rm
dma-mapping.h	365	0644	edit dl rm
dma.h	10161	0644	edit dl rm
dmi.h	547	0644	edit dl rm
ds1287.h	333	0644	edit dl rm
dsemul.h	3595	0644	edit dl rm
dsp.h	1747	0644	edit dl rm
edac.h	839	0644	edit dl rm
elf.h	15559	0644	edit dl rm
elfcore-compat.h	841	0644	edit dl rm
errno.h	429	0644	edit dl rm
eva.h	796	0644	edit dl rm
exec.h	579	0644	edit dl rm
extable.h	241	0644	edit dl rm
fb.h	372	0644	edit dl rm
fixmap.h	2219	0644	edit dl rm
floppy.h	1609	0644	edit dl rm
fpregdef.h	2726	0644	edit dl rm
fpu.h	7332	0644	edit dl rm
fpu_emulator.h	4844	0644	edit dl rm
ftrace.h	2659	0644	edit dl rm
futex.h	5241	0644	edit dl rm
ginvt.h	1056	0644	edit dl rm
gio_device.h	1411	0644	edit dl rm
gt64120.h	19218	0644	edit dl rm
hardirq.h	544	0644	edit dl rm
hazards.h	8673	0644	edit dl rm
highmem.h	1741	0644	edit dl rm
hpet.h	1974	0644	edit dl rm
hugetlb.h	2165	0644	edit dl rm
hw_irq.h	475	0644	edit dl rm
i8259.h	2440	0644	edit dl rm
ide.h	330	0644	edit dl rm
idle.h	727	0644	edit dl rm
inst.h	2398	0644	edit dl rm
io.h	17334	0644	edit dl rm
irq.h	2408	0644	edit dl rm
irqflags.h	4206	0644	edit dl rm
irq_cpu.h	427	0644	edit dl rm
irq_gt641xx.h	2074	0644	edit dl rm
irq_regs.h	540	0644	edit dl rm
isa-rev.h	556	0644	edit dl rm
isadep.h	603	0644	edit dl rm
jazz.h	8192	0644	edit dl rm
jazzdma.h	2826	0644	edit dl rm
jump_label.h	1571	0644	edit dl rm
Kbuild	414	0644	edit dl rm
kdebug.h	303	0644	edit dl rm
kexec.h	1490	0644	edit dl rm
kgdb.h	1222	0644	edit dl rm
kprobes.h	1727	0644	edit dl rm
kvm_host.h	30488	0644	edit dl rm
kvm_types.h	184	0644	edit dl rm
linkage.h	306	0644	edit dl rm
llsc.h	923	0644	edit dl rm
local.h	5473	0644	edit dl rm
maar.h	4270	0644	edit dl rm
machine.h	2795	0644	edit dl rm
mc146818-time.h	3779	0644	edit dl rm
mc146818rtc.h	450	0644	edit dl rm
mips-cm.h	16857	0644	edit dl rm
mips-cpc.h	5766	0644	edit dl rm
mips-cps.h	6494	0644	edit dl rm
mips-gic.h	12387	0644	edit dl rm
mips-r2-to-r6-emul.h	2095	0644	edit dl rm
mipsmtregs.h	11171	0644	edit dl rm
mipsprom.h	2146	0644	edit dl rm
mipsregs.h	96926	0644	edit dl rm
mips_mt.h	707	0644	edit dl rm
mmiowb.h	197	0644	edit dl rm
mmu.h	555	0644	edit dl rm
mmu_context.h	6205	0644	edit dl rm
mmzone.h	427	0644	edit dl rm
module.h	2388	0644	edit dl rm
msa.h	7525	0644	edit dl rm
msc01_ic.h	6709	0644	edit dl rm
paccess.h	3140	0644	edit dl rm
page.h	7610	0644	edit dl rm
pci.h	3902	0644	edit dl rm
perf_event.h	336	0644	edit dl rm
pgalloc.h	2571	0644	edit dl rm
pgtable-32.h	8149	0644	edit dl rm
pgtable-64.h	9709	0644	edit dl rm
pgtable-bits.h	7852	0644	edit dl rm
pgtable.h	18529	0644	edit dl rm
pm-cps.h	1515	0644	edit dl rm
pm.h	3871	0644	edit dl rm
prefetch.h	2148	0644	edit dl rm
processor.h	11321	0644	edit dl rm
prom.h	696	0644	edit dl rm
ptrace.h	5582	0644	edit dl rm
r4k-timer.h	604	0644	edit dl rm
r4kcache.h	11373	0644	edit dl rm
reboot.h	440	0644	edit dl rm
reg.h	26	0644	edit dl rm
regdef.h	2693	0644	edit dl rm
rtlx.h	2148	0644	edit dl rm
seccomp.h	810	0644	edit dl rm
setup.h	941	0644	edit dl rm
sgialib.h	1743	0644	edit dl rm
sgiarcs.h	14022	0644	edit dl rm
shmparam.h	352	0644	edit dl rm
sigcontext.h	1060	0644	edit dl rm
signal.h	1042	0644	edit dl rm
sim.h	2070	0644	edit dl rm
smp-cps.h	998	0644	edit dl rm
smp-ops.h	2476	0644	edit dl rm
smp.h	3696	0644	edit dl rm
sni.h	7495	0644	edit dl rm
socket.h	1377	0644	edit dl rm
sparsemem.h	486	0644	edit dl rm
spinlock.h	822	0644	edit dl rm
spinlock_types.h	188	0644	edit dl rm
spram.h	261	0644	edit dl rm
stackframe.h	11157	0644	edit dl rm
stackprotector.h	1177	0644	edit dl rm
stacktrace.h	2199	0644	edit dl rm
string.h	692	0644	edit dl rm
switch_to.h	4455	0644	edit dl rm
sync.h	7823	0644	edit dl rm
syscall.h	3703	0644	edit dl rm
termios.h	2933	0644	edit dl rm
thread_info.h	6640	0644	edit dl rm
time.h	1617	0644	edit dl rm
timex.h	2937	0644	edit dl rm
tlb.h	613	0644	edit dl rm
tlbdebug.h	403	0644	edit dl rm
tlbex.h	977	0644	edit dl rm
tlbflush.h	1683	0644	edit dl rm
tlbmisc.h	320	0644	edit dl rm
topology.h	619	0644	edit dl rm
traps.h	1229	0644	edit dl rm
txx9irq.h	743	0644	edit dl rm
txx9pio.h	592	0644	edit dl rm
txx9tmr.h	1625	0644	edit dl rm
types.h	459	0644	edit dl rm
uaccess.h	16450	0644	edit dl rm
uasm.h	9578	0644	edit dl rm
unaligned-emul.h	26856	0644	edit dl rm
unistd.h	1860	0644	edit dl rm
unroll.h	2860	0644	edit dl rm
uprobes.h	1141	0644	edit dl rm
vdso.h	1469	0644	edit dl rm
vermagic.h	2372	0644	edit dl rm
vga.h	1291	0644	edit dl rm
vmalloc.h	90	0644	edit dl rm
vpe.h	2843	0644	edit dl rm
war.h	2282	0644	edit dl rm
watch.h	827	0644	edit dl rm
wbflush.h	694	0644	edit dl rm
yamon-dt.h	1717	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/arch/mips/include/asm/msa.h (7525B)

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2013 Imagination Technologies
 * Author: Paul Burton <paul.burton@mips.com>
 */
#ifndef _ASM_MSA_H
#define _ASM_MSA_H

#include <asm/mipsregs.h>

#ifndef __ASSEMBLY__

#include <asm/inst.h>

extern void _save_msa(struct task_struct *);
extern void _restore_msa(struct task_struct *);
extern void _init_msa_upper(void);

extern void read_msa_wr_b(unsigned idx, union fpureg *to);
extern void read_msa_wr_h(unsigned idx, union fpureg *to);
extern void read_msa_wr_w(unsigned idx, union fpureg *to);
extern void read_msa_wr_d(unsigned idx, union fpureg *to);

/**
 * read_msa_wr() - Read a single MSA vector register
 * @idx:	The index of the vector register to read
 * @to:		The FPU register union to store the registers value in
 * @fmt:	The format of the data in the vector register
 *
 * Read the value of MSA vector register idx into the FPU register
 * union to, using the format fmt.
 */
static inline void read_msa_wr(unsigned idx, union fpureg *to,
			       enum msa_2b_fmt fmt)
{
	switch (fmt) {
	case msa_fmt_b:
		read_msa_wr_b(idx, to);
		break;

case msa_fmt_h:
		read_msa_wr_h(idx, to);
		break;

case msa_fmt_w:
		read_msa_wr_w(idx, to);
		break;

case msa_fmt_d:
		read_msa_wr_d(idx, to);
		break;

default:
		BUG();
	}
}

extern void write_msa_wr_b(unsigned idx, union fpureg *from);
extern void write_msa_wr_h(unsigned idx, union fpureg *from);
extern void write_msa_wr_w(unsigned idx, union fpureg *from);
extern void write_msa_wr_d(unsigned idx, union fpureg *from);

/**
 * write_msa_wr() - Write a single MSA vector register
 * @idx:	The index of the vector register to write
 * @from:	The FPU register union to take the registers value from
 * @fmt:	The format of the data in the vector register
 *
 * Write the value from the FPU register union from into MSA vector
 * register idx, using the format fmt.
 */
static inline void write_msa_wr(unsigned idx, union fpureg *from,
				enum msa_2b_fmt fmt)
{
	switch (fmt) {
	case msa_fmt_b:
		write_msa_wr_b(idx, from);
		break;

case msa_fmt_h:
		write_msa_wr_h(idx, from);
		break;

case msa_fmt_w:
		write_msa_wr_w(idx, from);
		break;

case msa_fmt_d:
		write_msa_wr_d(idx, from);
		break;

default:
		BUG();
	}
}

static inline void enable_msa(void)
{
	if (cpu_has_msa) {
		set_c0_config5(MIPS_CONF5_MSAEN);
		enable_fpu_hazard();
	}
}

static inline void disable_msa(void)
{
	if (cpu_has_msa) {
		clear_c0_config5(MIPS_CONF5_MSAEN);
		disable_fpu_hazard();
	}
}

static inline int is_msa_enabled(void)
{
	if (!cpu_has_msa)
		return 0;

return read_c0_config5() & MIPS_CONF5_MSAEN;
}

static inline int thread_msa_context_live(void)
{
	/*
	 * Check cpu_has_msa only if it's a constant. This will allow the
	 * compiler to optimise out code for CPUs without MSA without adding
	 * an extra redundant check for CPUs with MSA.
	 */
	if (__builtin_constant_p(cpu_has_msa) && !cpu_has_msa)
		return 0;

return test_thread_flag(TIF_MSA_CTX_LIVE);
}

static inline void save_msa(struct task_struct *t)
{
	if (cpu_has_msa)
		_save_msa(t);
}

static inline void restore_msa(struct task_struct *t)
{
	if (cpu_has_msa)
		_restore_msa(t);
}

static inline void init_msa_upper(void)
{
	/*
	 * Check cpu_has_msa only if it's a constant. This will allow the
	 * compiler to optimise out code for CPUs without MSA without adding
	 * an extra redundant check for CPUs with MSA.
	 */
	if (__builtin_constant_p(cpu_has_msa) && !cpu_has_msa)
		return;

_init_msa_upper();
}

#ifndef TOOLCHAIN_SUPPORTS_MSA
/*
 * Define assembler macros using .word for the c[ft]cmsa instructions in order
 * to allow compilation with toolchains that do not support MSA. Once all
 * toolchains in use support MSA these can be removed.
 */
_ASM_MACRO_2R(cfcmsa, rd, cs,
	_ASM_INSN_IF_MIPS(0x787e0019 | __cs << 11 | __rd << 6)
	_ASM_INSN32_IF_MM(0x587e0016 | __cs << 11 | __rd << 6));
_ASM_MACRO_2R(ctcmsa, cd, rs,
	_ASM_INSN_IF_MIPS(0x783e0019 | __rs << 11 | __cd << 6)
	_ASM_INSN32_IF_MM(0x583e0016 | __rs << 11 | __cd << 6));
#define _ASM_SET_MSA ""
#else /* TOOLCHAIN_SUPPORTS_MSA */
#define _ASM_SET_MSA ".set\tfp=64\n\t"				\
		     ".set\tmsa\n\t"
#endif

#define __BUILD_MSA_CTL_REG(name, cs)				\
static inline unsigned int read_msa_##name(void)		\
{								\
	unsigned int reg;					\
	__asm__ __volatile__(					\
	"	.set	push\n"					\
	_ASM_SET_MSA						\
	"	cfcmsa	%0, $" #cs "\n"				\
	"	.set	pop\n"					\
	: "=r"(reg));						\
	return reg;						\
}								\
								\
static inline void write_msa_##name(unsigned int val)		\
{								\
	__asm__ __volatile__(					\
	"	.set	push\n"					\
	_ASM_SET_MSA						\
	"	ctcmsa	$" #cs ", %0\n"				\
	"	.set	pop\n"					\
	: : "r"(val));						\
}

__BUILD_MSA_CTL_REG(ir, 0)
__BUILD_MSA_CTL_REG(csr, 1)
__BUILD_MSA_CTL_REG(access, 2)
__BUILD_MSA_CTL_REG(save, 3)
__BUILD_MSA_CTL_REG(modify, 4)
__BUILD_MSA_CTL_REG(request, 5)
__BUILD_MSA_CTL_REG(map, 6)
__BUILD_MSA_CTL_REG(unmap, 7)

#endif /* !__ASSEMBLY__ */

#define MSA_IR		0
#define MSA_CSR		1
#define MSA_ACCESS	2
#define MSA_SAVE	3
#define MSA_MODIFY	4
#define MSA_REQUEST	5
#define MSA_MAP		6
#define MSA_UNMAP	7

/* MSA Implementation Register (MSAIR) */
#define MSA_IR_REVB		0
#define MSA_IR_REVF		(_ULCAST_(0xff) << MSA_IR_REVB)
#define MSA_IR_PROCB		8
#define MSA_IR_PROCF		(_ULCAST_(0xff) << MSA_IR_PROCB)
#define MSA_IR_WRPB		16
#define MSA_IR_WRPF		(_ULCAST_(0x1) << MSA_IR_WRPB)

/* MSA Control & Status Register (MSACSR) */
#define MSA_CSR_RMB		0
#define MSA_CSR_RMF		(_ULCAST_(0x3) << MSA_CSR_RMB)
#define MSA_CSR_RM_NEAREST	0
#define MSA_CSR_RM_TO_ZERO	1
#define MSA_CSR_RM_TO_POS	2
#define MSA_CSR_RM_TO_NEG	3
#define MSA_CSR_FLAGSB		2
#define MSA_CSR_FLAGSF		(_ULCAST_(0x1f) << MSA_CSR_FLAGSB)
#define MSA_CSR_FLAGS_IB	2
#define MSA_CSR_FLAGS_IF	(_ULCAST_(0x1) << MSA_CSR_FLAGS_IB)
#define MSA_CSR_FLAGS_UB	3
#define MSA_CSR_FLAGS_UF	(_ULCAST_(0x1) << MSA_CSR_FLAGS_UB)
#define MSA_CSR_FLAGS_OB	4
#define MSA_CSR_FLAGS_OF	(_ULCAST_(0x1) << MSA_CSR_FLAGS_OB)
#define MSA_CSR_FLAGS_ZB	5
#define MSA_CSR_FLAGS_ZF	(_ULCAST_(0x1) << MSA_CSR_FLAGS_ZB)
#define MSA_CSR_FLAGS_VB	6
#define MSA_CSR_FLAGS_VF	(_ULCAST_(0x1) << MSA_CSR_FLAGS_VB)
#define MSA_CSR_ENABLESB	7
#define MSA_CSR_ENABLESF	(_ULCAST_(0x1f) << MSA_CSR_ENABLESB)
#define MSA_CSR_ENABLES_IB	7
#define MSA_CSR_ENABLES_IF	(_ULCAST_(0x1) << MSA_CSR_ENABLES_IB)
#define MSA_CSR_ENABLES_UB	8
#define MSA_CSR_ENABLES_UF	(_ULCAST_(0x1) << MSA_CSR_ENABLES_UB)
#define MSA_CSR_ENABLES_OB	9
#define MSA_CSR_ENABLES_OF	(_ULCAST_(0x1) << MSA_CSR_ENABLES_OB)
#define MSA_CSR_ENABLES_ZB	10
#define MSA_CSR_ENABLES_ZF	(_ULCAST_(0x1) << MSA_CSR_ENABLES_ZB)
#define MSA_CSR_ENABLES_VB	11
#define MSA_CSR_ENABLES_VF	(_ULCAST_(0x1) << MSA_CSR_ENABLES_VB)
#define MSA_CSR_CAUSEB		12
#define MSA_CSR_CAUSEF		(_ULCAST_(0x3f) << MSA_CSR_CAUSEB)
#define MSA_CSR_CAUSE_IB	12
#define MSA_CSR_CAUSE_IF	(_ULCAST_(0x1) << MSA_CSR_CAUSE_IB)
#define MSA_CSR_CAUSE_UB	13
#define MSA_CSR_CAUSE_UF	(_ULCAST_(0x1) << MSA_CSR_CAUSE_UB)
#define MSA_CSR_CAUSE_OB	14
#define MSA_CSR_CAUSE_OF	(_ULCAST_(0x1) << MSA_CSR_CAUSE_OB)
#define MSA_CSR_CAUSE_ZB	15
#define MSA_CSR_CAUSE_ZF	(_ULCAST_(0x1) << MSA_CSR_CAUSE_ZB)
#define MSA_CSR_CAUSE_VB	16
#define MSA_CSR_CAUSE_VF	(_ULCAST_(0x1) << MSA_CSR_CAUSE_VB)
#define MSA_CSR_CAUSE_EB	17
#define MSA_CSR_CAUSE_EF	(_ULCAST_(0x1) << MSA_CSR_CAUSE_EB)
#define MSA_CSR_NXB		18
#define MSA_CSR_NXF		(_ULCAST_(0x1) << MSA_CSR_NXB)
#define MSA_CSR_FSB		24
#define MSA_CSR_FSF		(_ULCAST_(0x1) << MSA_CSR_FSB)

#endif /* _ASM_MSA_H */

cmd: