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/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1995, 1996, 1997, 1999, 2001 by Ralf Baechle
 * Copyright (C) 1999 by Silicon Graphics, Inc.
 * Copyright (C) 2001 MIPS Technologies, Inc.
 * Copyright (C) 2002  Maciej W. Rozycki
 *
 * Some useful macros for MIPS assembler code
 *
 * Some of the routines below contain useless nops that will be optimized
 * away by gas in -O mode. These nops are however required to fill delay
 * slots in noreorder mode.
 */
#ifndef __ASM_ASM_H
#define __ASM_ASM_H

#include <asm/sgidefs.h>
#include <asm/asm-eva.h>

#ifndef CAT
#ifdef __STDC__
#define __CAT(str1, str2) str1##str2
#else
#define __CAT(str1, str2) str1/**/str2
#endif
#define CAT(str1, str2) __CAT(str1, str2)
#endif

/*
 * PIC specific declarations
 * Not used for the kernel but here seems to be the right place.
 */
#ifdef __PIC__
#define CPRESTORE(register)				\
		.cprestore register
#define CPADD(register)					\
		.cpadd	register
#define CPLOAD(register)				\
		.cpload register
#else
#define CPRESTORE(register)
#define CPADD(register)
#define CPLOAD(register)
#endif

/*
 * LEAF - declare leaf routine
 */
#define LEAF(symbol)					\
		.globl	symbol;				\
		.align	2;				\
		.type	symbol, @function;		\
		.ent	symbol, 0;			\
symbol:		.frame	sp, 0, ra;			\
		.cfi_startproc;				\
		.insn

/*
 * NESTED - declare nested routine entry point
 */
#define NESTED(symbol, framesize, rpc)			\
		.globl	symbol;				\
		.align	2;				\
		.type	symbol, @function;		\
		.ent	symbol, 0;			\
symbol:		.frame	sp, framesize, rpc;		\
		.cfi_startproc;				\
		.insn

/*
 * END - mark end of function
 */
#define END(function)					\
		.cfi_endproc;				\
		.end	function;			\
		.size	function, .-function

/*
 * EXPORT - export definition of symbol
 */
#define EXPORT(symbol)					\
		.globl	symbol;				\
symbol:

/*
 * FEXPORT - export definition of a function symbol
 */
#define FEXPORT(symbol)					\
		.globl	symbol;				\
		.type	symbol, @function;		\
symbol:		.insn

/*
 * ABS - export absolute symbol
 */
#define ABS(symbol,value)				\
		.globl	symbol;				\
symbol		=	value

#define PANIC(msg)					\
		.set	push;				\
		.set	reorder;			\
		PTR_LA	a0, 8f;				 \
		jal	panic;				\
9:		b	9b;				\
		.set	pop;				\
		TEXT(msg)

/*
 * Print formatted string
 */
#ifdef CONFIG_PRINTK
#define PRINT(string)					\
		.set	push;				\
		.set	reorder;			\
		PTR_LA	a0, 8f;				 \
		jal	printk;				\
		.set	pop;				\
		TEXT(string)
#else
#define PRINT(string)
#endif

#define TEXT(msg)					\
		.pushsection .data;			\
8:		.asciiz msg;				\
		.popsection;

/*
 * Build text tables
 */
#define TTABLE(string)					\
		.pushsection .text;			\
		.word	1f;				\
		.popsection				\
		.pushsection .data;			\
1:		.asciiz string;				\
		.popsection

/*
 * MIPS IV pref instruction.
 * Use with .set noreorder only!
 *
 * MIPS IV implementations are free to treat this as a nop.  The R5000
 * is one of them.  So we should have an option not to use this instruction.
 */
#ifdef CONFIG_CPU_HAS_PREFETCH

#define PREF(hint,addr)					\
		.set	push;				\
		.set	arch=r5000;			\
		pref	hint, addr;			\
		.set	pop

#define PREFE(hint, addr)				\
		.set	push;				\
		.set	mips0;				\
		.set	eva;				\
		prefe	hint, addr;			\
		.set	pop

#define PREFX(hint,addr)				\
		.set	push;				\
		.set	arch=r5000;			\
		prefx	hint, addr;			\
		.set	pop

#else /* !CONFIG_CPU_HAS_PREFETCH */

#define PREF(hint, addr)
#define PREFE(hint, addr)
#define PREFX(hint, addr)

#endif /* !CONFIG_CPU_HAS_PREFETCH */

/*
 * MIPS ISA IV/V movn/movz instructions and equivalents for older CPUs.
 */
#if (_MIPS_ISA == _MIPS_ISA_MIPS1)
#define MOVN(rd, rs, rt)				\
		.set	push;				\
		.set	reorder;			\
		beqz	rt, 9f;				\
		move	rd, rs;				\
		.set	pop;				\
9:
#define MOVZ(rd, rs, rt)				\
		.set	push;				\
		.set	reorder;			\
		bnez	rt, 9f;				\
		move	rd, rs;				\
		.set	pop;				\
9:
#endif /* _MIPS_ISA == _MIPS_ISA_MIPS1 */
#if (_MIPS_ISA == _MIPS_ISA_MIPS2) || (_MIPS_ISA == _MIPS_ISA_MIPS3)
#define MOVN(rd, rs, rt)				\
		.set	push;				\
		.set	noreorder;			\
		bnezl	rt, 9f;				\
		 move	rd, rs;				\
		.set	pop;				\
9:
#define MOVZ(rd, rs, rt)				\
		.set	push;				\
		.set	noreorder;			\
		beqzl	rt, 9f;				\
		 move	rd, rs;				\
		.set	pop;				\
9:
#endif /* (_MIPS_ISA == _MIPS_ISA_MIPS2) || (_MIPS_ISA == _MIPS_ISA_MIPS3) */
#if (_MIPS_ISA == _MIPS_ISA_MIPS4 ) || (_MIPS_ISA == _MIPS_ISA_MIPS5) || \
    (_MIPS_ISA == _MIPS_ISA_MIPS32) || (_MIPS_ISA == _MIPS_ISA_MIPS64)
#define MOVN(rd, rs, rt)				\
		movn	rd, rs, rt
#define MOVZ(rd, rs, rt)				\
		movz	rd, rs, rt
#endif /* MIPS IV, MIPS V, MIPS32 or MIPS64 */

/*
 * Stack alignment
 */
#if (_MIPS_SIM == _MIPS_SIM_ABI32)
#define ALSZ	7
#define ALMASK	~7
#endif
#if (_MIPS_SIM == _MIPS_SIM_NABI32) || (_MIPS_SIM == _MIPS_SIM_ABI64)
#define ALSZ	15
#define ALMASK	~15
#endif

/*
 * Macros to handle different pointer/register sizes for 32/64-bit code
 */

/*
 * Size of a register
 */
#ifdef __mips64
#define SZREG	8
#else
#define SZREG	4
#endif

/*
 * Use the following macros in assemblercode to load/store registers,
 * pointers etc.
 */
#if (_MIPS_SIM == _MIPS_SIM_ABI32)
#define REG_S		sw
#define REG_L		lw
#define REG_SUBU	subu
#define REG_ADDU	addu
#endif
#if (_MIPS_SIM == _MIPS_SIM_NABI32) || (_MIPS_SIM == _MIPS_SIM_ABI64)
#define REG_S		sd
#define REG_L		ld
#define REG_SUBU	dsubu
#define REG_ADDU	daddu
#endif

/*
 * How to add/sub/load/store/shift C int variables.
 */
#if (_MIPS_SZINT == 32)
#define INT_ADD		add
#define INT_ADDU	addu
#define INT_ADDI	addi
#define INT_ADDIU	addiu
#define INT_SUB		sub
#define INT_SUBU	subu
#define INT_L		lw
#define INT_S		sw
#define INT_SLL		sll
#define INT_SLLV	sllv
#define INT_SRL		srl
#define INT_SRLV	srlv
#define INT_SRA		sra
#define INT_SRAV	srav
#endif

#if (_MIPS_SZINT == 64)
#define INT_ADD		dadd
#define INT_ADDU	daddu
#define INT_ADDI	daddi
#define INT_ADDIU	daddiu
#define INT_SUB		dsub
#define INT_SUBU	dsubu
#define INT_L		ld
#define INT_S		sd
#define INT_SLL		dsll
#define INT_SLLV	dsllv
#define INT_SRL		dsrl
#define INT_SRLV	dsrlv
#define INT_SRA		dsra
#define INT_SRAV	dsrav
#endif

/*
 * How to add/sub/load/store/shift C long variables.
 */
#if (_MIPS_SZLONG == 32)
#define LONG_ADD	add
#define LONG_ADDU	addu
#define LONG_ADDI	addi
#define LONG_ADDIU	addiu
#define LONG_SUB	sub
#define LONG_SUBU	subu
#define LONG_L		lw
#define LONG_S		sw
#define LONG_SP		swp
#define LONG_SLL	sll
#define LONG_SLLV	sllv
#define LONG_SRL	srl
#define LONG_SRLV	srlv
#define LONG_SRA	sra
#define LONG_SRAV	srav

#define LONG		.word
#define LONGSIZE	4
#define LONGMASK	3
#define LONGLOG		2
#endif

#if (_MIPS_SZLONG == 64)
#define LONG_ADD	dadd
#define LONG_ADDU	daddu
#define LONG_ADDI	daddi
#define LONG_ADDIU	daddiu
#define LONG_SUB	dsub
#define LONG_SUBU	dsubu
#define LONG_L		ld
#define LONG_S		sd
#define LONG_SP		sdp
#define LONG_SLL	dsll
#define LONG_SLLV	dsllv
#define LONG_SRL	dsrl
#define LONG_SRLV	dsrlv
#define LONG_SRA	dsra
#define LONG_SRAV	dsrav

#define LONG		.dword
#define LONGSIZE	8
#define LONGMASK	7
#define LONGLOG		3
#endif

/*
 * How to add/sub/load/store/shift pointers.
 */
#if (_MIPS_SZPTR == 32)
#define PTR_ADD		add
#define PTR_ADDU	addu
#define PTR_ADDI	addi
#define PTR_ADDIU	addiu
#define PTR_SUB		sub
#define PTR_SUBU	subu
#define PTR_L		lw
#define PTR_S		sw
#define PTR_LA		la
#define PTR_LI		li
#define PTR_SLL		sll
#define PTR_SLLV	sllv
#define PTR_SRL		srl
#define PTR_SRLV	srlv
#define PTR_SRA		sra
#define PTR_SRAV	srav

#define PTR_SCALESHIFT	2

#define PTR		.word
#define PTRSIZE		4
#define PTRLOG		2
#endif

#if (_MIPS_SZPTR == 64)
#define PTR_ADD		dadd
#define PTR_ADDU	daddu
#define PTR_ADDI	daddi
#define PTR_ADDIU	daddiu
#define PTR_SUB		dsub
#define PTR_SUBU	dsubu
#define PTR_L		ld
#define PTR_S		sd
#define PTR_LA		dla
#define PTR_LI		dli
#define PTR_SLL		dsll
#define PTR_SLLV	dsllv
#define PTR_SRL		dsrl
#define PTR_SRLV	dsrlv
#define PTR_SRA		dsra
#define PTR_SRAV	dsrav

#define PTR_SCALESHIFT	3

#define PTR		.dword
#define PTRSIZE		8
#define PTRLOG		3
#endif

/*
 * Some cp0 registers were extended to 64bit for MIPS III.
 */
#if (_MIPS_SIM == _MIPS_SIM_ABI32)
#define MFC0		mfc0
#define MTC0		mtc0
#endif
#if (_MIPS_SIM == _MIPS_SIM_NABI32) || (_MIPS_SIM == _MIPS_SIM_ABI64)
#define MFC0		dmfc0
#define MTC0		dmtc0
#endif

#define SSNOP		sll zero, zero, 1

#ifdef CONFIG_SGI_IP28
/* Inhibit speculative stores to volatile (e.g.DMA) or invalid addresses. */
#include <asm/cacheops.h>
#define R10KCBARRIER(addr)  cache   Cache_Barrier, addr;
#else
#define R10KCBARRIER(addr)
#endif

#endif /* __ASM_ASM_H */

Filemanager

Name Type Size Permission Actions
dec Folder 0755
emma Folder 0755
fw Folder 0755
ip32 Folder 0755
lasat Folder 0755
mach-ar7 Folder 0755
mach-ath25 Folder 0755
mach-ath79 Folder 0755
mach-au1x00 Folder 0755
mach-bcm47xx Folder 0755
mach-bcm63xx Folder 0755
mach-bmips Folder 0755
mach-cavium-octeon Folder 0755
mach-cobalt Folder 0755
mach-db1x00 Folder 0755
mach-dec Folder 0755
mach-emma2rh Folder 0755
mach-generic Folder 0755
mach-ip22 Folder 0755
mach-ip27 Folder 0755
mach-ip28 Folder 0755
mach-ip32 Folder 0755
mach-jazz Folder 0755
mach-jz4740 Folder 0755
mach-lantiq Folder 0755
mach-lasat Folder 0755
mach-loongson32 Folder 0755
mach-loongson64 Folder 0755
mach-malta Folder 0755
mach-netlogic Folder 0755
mach-paravirt Folder 0755
mach-pic32 Folder 0755
mach-pistachio Folder 0755
mach-pmcs-msp71xx Folder 0755
mach-pnx833x Folder 0755
mach-ralink Folder 0755
mach-rc32434 Folder 0755
mach-rm Folder 0755
mach-sibyte Folder 0755
mach-tx39xx Folder 0755
mach-tx49xx Folder 0755
mach-vr41xx Folder 0755
mach-xilfpga Folder 0755
mips-boards Folder 0755
netlogic Folder 0755
octeon Folder 0755
pci Folder 0755
sgi Folder 0755
sibyte Folder 0755
sn Folder 0755
txx9 Folder 0755
vr41xx Folder 0755
xtalk Folder 0755
Kbuild File 577 B 0644
abi.h File 853 B 0644
addrspace.h File 4.1 KB 0644
amon.h File 409 B 0644
arch_hweight.h File 792 B 0644
asm-eva.h File 6.82 KB 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 197 B 0644
asm.h File 8.47 KB 0644
asmmacro-32.h File 2.47 KB 0644
asmmacro-64.h File 1.22 KB 0644
asmmacro.h File 14.07 KB 0644
atomic.h File 19.73 KB 0644
barrier.h File 8.03 KB 0644
bcache.h File 2.04 KB 0644
bitops.h File 15.46 KB 0644
bitrev.h File 608 B 0644
bmips-spaces.h File 268 B 0644
bmips.h File 3.45 KB 0644
bootinfo.h File 5.08 KB 0644
branch.h File 2.35 KB 0644
break.h File 787 B 0644
bug.h File 759 B 0644
bugs.h File 944 B 0644
cache.h File 546 B 0644
cacheflush.h File 4.99 KB 0644
cacheops.h File 3.71 KB 0644
cdmm.h File 3.67 KB 0644
cevt-r4k.h File 823 B 0644
checksum.h File 6.43 KB 0644
clock.h File 997 B 0644
clocksource.h File 884 B 0644
cmp.h File 492 B 0644
cmpxchg.h File 5.28 KB 0644
compat-signal.h File 640 B 0644
compat.h File 6.66 KB 0644
compiler.h File 2.96 KB 0644
cop2.h File 1.77 KB 0644
cpu-features.h File 19.46 KB 0644
cpu-info.h File 5.84 KB 0644
cpu-type.h File 4.13 KB 0644
cpu.h File 15.54 KB 0644
cpufeature.h File 717 B 0644
debug.h File 654 B 0644
delay.h File 841 B 0644
device.h File 347 B 0644
div64.h File 2.17 KB 0644
dma-coherence.h File 813 B 0644
dma-mapping.h File 981 B 0644
dma.h File 9.92 KB 0644
ds1287.h File 1019 B 0644
dsemul.h File 3.24 KB 0644
dsp.h File 1.91 KB 0644
edac.h File 819 B 0644
elf.h File 15.04 KB 0644
errno.h File 429 B 0644
eva.h File 796 B 0644
exec.h File 579 B 0644
extable.h File 241 B 0644
fb.h File 372 B 0644
fixmap.h File 2.29 KB 0644
floppy.h File 1.57 KB 0644
fpregdef.h File 2.66 KB 0644
fpu.h File 5.21 KB 0644
fpu_emulator.h File 5.74 KB 0644
ftrace.h File 2.11 KB 0644
futex.h File 4.87 KB 0644
gio_device.h File 1.5 KB 0644
gt64120.h File 19.37 KB 0644
hardirq.h File 544 B 0644
hazards.h File 8.36 KB 0644
highmem.h File 1.72 KB 0644
hpet.h File 1.93 KB 0644
hugetlb.h File 2.76 KB 0644
hw_irq.h File 475 B 0644
i8259.h File 2.52 KB 0644
ide.h File 330 B 0644
idle.h File 689 B 0644
inst.h File 2.34 KB 0644
io.h File 18.44 KB 0644
irq.h File 2.26 KB 0644
irq_cpu.h File 708 B 0644
irq_gt641xx.h File 2.69 KB 0644
irq_regs.h File 744 B 0644
irqflags.h File 4.04 KB 0644
isa-rev.h File 556 B 0644
isadep.h File 603 B 0644
jazz.h File 8 KB 0644
jazzdma.h File 2.97 KB 0644
jump_label.h File 1.4 KB 0644
kdebug.h File 303 B 0644
kexec.h File 1.53 KB 0644
kgdb.h File 1.19 KB 0644
kmap_types.h File 221 B 0644
kprobes.h File 2.68 KB 0644
kvm_host.h File 37.88 KB 0644
kvm_para.h File 2.09 KB 0644
linkage.h File 306 B 0644
llsc.h File 623 B 0644
local.h File 4.99 KB 0644
m48t37.h File 732 B 0644
maar.h File 4.04 KB 0644
machine.h File 2.93 KB 0644
mc146818-time.h File 3.69 KB 0644
mc146818rtc.h File 450 B 0644
mips-cm.h File 15.86 KB 0644
mips-cpc.h File 5.83 KB 0644
mips-cps.h File 6.55 KB 0644
mips-gic.h File 12.3 KB 0644
mips-r2-to-r6-emul.h File 2.05 KB 0644
mips_machine.h File 1.32 KB 0644
mips_mt.h File 707 B 0644
mipsmtregs.h File 10.9 KB 0644
mipsprom.h File 2.1 KB 0644
mipsregs.h File 88.1 KB 0644
mmu.h File 550 B 0644
mmu_context.h File 5.41 KB 0644
mmzone.h File 561 B 0644
module.h File 4.45 KB 0644
msa.h File 8.01 KB 0644
msc01_ic.h File 6.55 KB 0644
nile4.h File 10.33 KB 0644
paccess.h File 3.07 KB 0644
page.h File 7.19 KB 0644
pci.h File 4.08 KB 0644
perf_event.h File 482 B 0644
pgalloc.h File 3.21 KB 0644
pgtable-32.h File 7.31 KB 0644
pgtable-64.h File 10.87 KB 0644
pgtable-bits.h File 7.36 KB 0644
pgtable.h File 17.34 KB 0644
pm-cps.h File 1.68 KB 0644
pm.h File 3.99 KB 0644
pmon.h File 1.64 KB 0644
prefetch.h File 2.1 KB 0644
processor.h File 11.71 KB 0644
prom.h File 845 B 0644
ptrace.h File 5.55 KB 0644
r4k-timer.h File 604 B 0644
r4kcache.h File 26.34 KB 0644
reboot.h File 440 B 0644
reg.h File 26 B 0644
regdef.h File 2.63 KB 0644
rtlx.h File 2.1 KB 0644
seccomp.h File 800 B 0644
serial.h File 607 B 0644
setup.h File 884 B 0644
sgialib.h File 2.45 KB 0644
sgiarcs.h File 15.32 KB 0644
shmparam.h File 352 B 0644
sigcontext.h File 1.04 KB 0644
signal.h File 1.02 KB 0644
sim.h File 2.32 KB 0644
smp-cps.h File 1.18 KB 0644
smp-ops.h File 2.33 KB 0644
smp.h File 3.31 KB 0644
sni.h File 7.27 KB 0644
socket.h File 1.34 KB 0644
sparsemem.h File 486 B 0644
spinlock.h File 459 B 0644
spinlock_types.h File 188 B 0644
spram.h File 262 B 0644
stackframe.h File 10.82 KB 0644
stackprotector.h File 1.15 KB 0644
stacktrace.h File 2.15 KB 0644
string.h File 2.94 KB 0644
switch_to.h File 4.19 KB 0644
syscall.h File 3.57 KB 0644
termios.h File 2.89 KB 0644
thread_info.h File 6.63 KB 0644
time.h File 2.13 KB 0644
timex.h File 2.87 KB 0644
tlb.h File 1.09 KB 0644
tlbdebug.h File 403 B 0644
tlbex.h File 788 B 0644
tlbflush.h File 1.67 KB 0644
tlbmisc.h File 320 B 0644
topology.h File 619 B 0644
traps.h File 1.25 KB 0644
txx9irq.h File 743 B 0644
txx9pio.h File 592 B 0644
txx9tmr.h File 1.59 KB 0644
types.h File 487 B 0644
uaccess.h File 22.2 KB 0644
uasm.h File 9.18 KB 0644
unistd.h File 1.9 KB 0644
uprobes.h File 1.11 KB 0644
vdso.h File 3.72 KB 0644
vga.h File 1.26 KB 0644
vpe.h File 2.7 KB 0644
war.h File 7.48 KB 0644
watch.h File 827 B 0644
wbflush.h File 694 B 0644
yamon-dt.h File 1.88 KB 0644