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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ALPHA_PAL_H
#define __ALPHA_PAL_H

#include <uapi/asm/pal.h>

#ifndef __ASSEMBLY__

extern void halt(void) __attribute__((noreturn));
#define __halt() __asm__ __volatile__ ("call_pal %0 #halt" : : "i" (PAL_halt))

#define imb() \
__asm__ __volatile__ ("call_pal %0 #imb" : : "i" (PAL_imb) : "memory")

#define draina() \
__asm__ __volatile__ ("call_pal %0 #draina" : : "i" (PAL_draina) : "memory")

#define __CALL_PAL_R0(NAME, TYPE)				\
extern inline TYPE NAME(void)					\
{								\
	register TYPE __r0 __asm__("$0");			\
	__asm__ __volatile__(					\
		"call_pal %1 # " #NAME				\
		:"=r" (__r0)					\
		:"i" (PAL_ ## NAME)				\
		:"$1", "$16", "$22", "$23", "$24", "$25");	\
	return __r0;						\
}

#define __CALL_PAL_W1(NAME, TYPE0)				\
extern inline void NAME(TYPE0 arg0)				\
{								\
	register TYPE0 __r16 __asm__("$16") = arg0;		\
	__asm__ __volatile__(					\
		"call_pal %1 # "#NAME				\
		: "=r"(__r16)					\
		: "i"(PAL_ ## NAME), "0"(__r16)			\
		: "$1", "$22", "$23", "$24", "$25");		\
}

#define __CALL_PAL_W2(NAME, TYPE0, TYPE1)			\
extern inline void NAME(TYPE0 arg0, TYPE1 arg1)			\
{								\
	register TYPE0 __r16 __asm__("$16") = arg0;		\
	register TYPE1 __r17 __asm__("$17") = arg1;		\
	__asm__ __volatile__(					\
		"call_pal %2 # "#NAME				\
		: "=r"(__r16), "=r"(__r17)			\
		: "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17)	\
		: "$1", "$22", "$23", "$24", "$25");		\
}

#define __CALL_PAL_RW1(NAME, RTYPE, TYPE0)			\
extern inline RTYPE NAME(TYPE0 arg0)				\
{								\
	register RTYPE __r0 __asm__("$0");			\
	register TYPE0 __r16 __asm__("$16") = arg0;		\
	__asm__ __volatile__(					\
		"call_pal %2 # "#NAME				\
		: "=r"(__r16), "=r"(__r0)			\
		: "i"(PAL_ ## NAME), "0"(__r16)			\
		: "$1", "$22", "$23", "$24", "$25");		\
	return __r0;						\
}

#define __CALL_PAL_RW2(NAME, RTYPE, TYPE0, TYPE1)		\
extern inline RTYPE NAME(TYPE0 arg0, TYPE1 arg1)		\
{								\
	register RTYPE __r0 __asm__("$0");			\
	register TYPE0 __r16 __asm__("$16") = arg0;		\
	register TYPE1 __r17 __asm__("$17") = arg1;		\
	__asm__ __volatile__(					\
		"call_pal %3 # "#NAME				\
		: "=r"(__r16), "=r"(__r17), "=r"(__r0)		\
		: "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17)	\
		: "$1", "$22", "$23", "$24", "$25");		\
	return __r0;						\
}

__CALL_PAL_W1(cflush, unsigned long);
__CALL_PAL_R0(rdmces, unsigned long);
__CALL_PAL_R0(rdps, unsigned long);
__CALL_PAL_R0(rdusp, unsigned long);
__CALL_PAL_RW1(swpipl, unsigned long, unsigned long);
__CALL_PAL_R0(whami, unsigned long);
__CALL_PAL_W2(wrent, void*, unsigned long);
__CALL_PAL_W1(wripir, unsigned long);
__CALL_PAL_W1(wrkgp, unsigned long);
__CALL_PAL_W1(wrmces, unsigned long);
__CALL_PAL_RW2(wrperfmon, unsigned long, unsigned long, unsigned long);
__CALL_PAL_W1(wrusp, unsigned long);
__CALL_PAL_W1(wrvptptr, unsigned long);
__CALL_PAL_RW1(wtint, unsigned long, unsigned long);

/*
 * TB routines..
 */
#define __tbi(nr,arg,arg1...)					\
({								\
	register unsigned long __r16 __asm__("$16") = (nr);	\
	register unsigned long __r17 __asm__("$17"); arg;	\
	__asm__ __volatile__(					\
		"call_pal %3 #__tbi"				\
		:"=r" (__r16),"=r" (__r17)			\
		:"0" (__r16),"i" (PAL_tbi) ,##arg1		\
		:"$0", "$1", "$22", "$23", "$24", "$25");	\
})

#define tbi(x,y)	__tbi(x,__r17=(y),"1" (__r17))
#define tbisi(x)	__tbi(1,__r17=(x),"1" (__r17))
#define tbisd(x)	__tbi(2,__r17=(x),"1" (__r17))
#define tbis(x)		__tbi(3,__r17=(x),"1" (__r17))
#define tbiap()		__tbi(-1, /* no second argument */)
#define tbia()		__tbi(-2, /* no second argument */)

/*
 * QEMU Cserv routines..
 */

static inline unsigned long
qemu_get_walltime(void)
{
	register unsigned long v0 __asm__("$0");
	register unsigned long a0 __asm__("$16") = 3;

	asm("call_pal %2 # cserve get_time"
	    : "=r"(v0), "+r"(a0)
	    : "i"(PAL_cserve)
	    : "$17", "$18", "$19", "$20", "$21");

	return v0;
}

static inline unsigned long
qemu_get_alarm(void)
{
	register unsigned long v0 __asm__("$0");
	register unsigned long a0 __asm__("$16") = 4;

	asm("call_pal %2 # cserve get_alarm"
	    : "=r"(v0), "+r"(a0)
	    : "i"(PAL_cserve)
	    : "$17", "$18", "$19", "$20", "$21");

	return v0;
}

static inline void
qemu_set_alarm_rel(unsigned long expire)
{
	register unsigned long a0 __asm__("$16") = 5;
	register unsigned long a1 __asm__("$17") = expire;

	asm volatile("call_pal %2 # cserve set_alarm_rel"
		     : "+r"(a0), "+r"(a1)
		     : "i"(PAL_cserve)
		     : "$0", "$18", "$19", "$20", "$21");
}

static inline void
qemu_set_alarm_abs(unsigned long expire)
{
	register unsigned long a0 __asm__("$16") = 6;
	register unsigned long a1 __asm__("$17") = expire;

	asm volatile("call_pal %2 # cserve set_alarm_abs"
		     : "+r"(a0), "+r"(a1)
		     : "i"(PAL_cserve)
		     : "$0", "$18", "$19", "$20", "$21");
}

static inline unsigned long
qemu_get_vmtime(void)
{
	register unsigned long v0 __asm__("$0");
	register unsigned long a0 __asm__("$16") = 7;

	asm("call_pal %2 # cserve get_time"
	    : "=r"(v0), "+r"(a0)
	    : "i"(PAL_cserve)
	    : "$17", "$18", "$19", "$20", "$21");

	return v0;
}

#endif /* !__ASSEMBLY__ */
#endif /* __ALPHA_PAL_H */

Filemanager

Name Type Size Permission Actions
Kbuild File 320 B 0644
a.out-core.h File 2.41 KB 0644
a.out.h File 574 B 0644
agp.h File 457 B 0644
agp_backend.h File 948 B 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 405 B 0644
atomic.h File 9.15 KB 0644
barrier.h File 2.17 KB 0644
bitops.h File 8.83 KB 0644
bug.h File 571 B 0644
bugs.h File 294 B 0644
cache.h File 507 B 0644
cacheflush.h File 2.68 KB 0644
checksum.h File 1.93 KB 0644
cmpxchg.h File 1.67 KB 0644
compiler.h File 498 B 0644
console.h File 1.06 KB 0644
core_apecs.h File 16.91 KB 0644
core_cia.h File 15.43 KB 0644
core_irongate.h File 6.63 KB 0644
core_lca.h File 11.36 KB 0644
core_marvel.h File 9.15 KB 0644
core_mcpcia.h File 11.45 KB 0644
core_polaris.h File 2.92 KB 0644
core_t2.h File 19.13 KB 0644
core_titan.h File 11.2 KB 0644
core_tsunami.h File 8.29 KB 0644
core_wildfire.h File 8.45 KB 0644
delay.h File 264 B 0644
device.h File 129 B 0644
div64.h File 31 B 0644
dma-mapping.h File 276 B 0644
dma.h File 12.37 KB 0644
elf.h File 5.71 KB 0644
emergency-restart.h File 149 B 0644
err_common.h File 3.24 KB 0644
err_ev6.h File 116 B 0644
err_ev7.h File 4.37 KB 0644
extable.h File 1.42 KB 0644
floppy.h File 3.07 KB 0644
fpu.h File 1.78 KB 0644
ftrace.h File 12 B 0644
futex.h File 1.97 KB 0644
gct.h File 1.02 KB 0644
hardirq.h File 223 B 0644
hw_irq.h File 302 B 0644
hwrpb.h File 6.9 KB 0644
io.h File 15.03 KB 0644
io_trivial.h File 3.07 KB 0644
irq.h File 2.31 KB 0644
irq_regs.h File 34 B 0644
irqflags.h File 1.17 KB 0644
jensen.h File 8.39 KB 0644
kdebug.h File 32 B 0644
kmap_types.h File 265 B 0644
linkage.h File 256 B 0644
local.h File 2.59 KB 0644
local64.h File 33 B 0644
machvec.h File 3.68 KB 0644
mc146818rtc.h File 680 B 0644
mce.h File 4.04 KB 0644
mmu.h File 203 B 0644
mmu_context.h File 7.09 KB 0644
mmzone.h File 2.98 KB 0644
module.h File 329 B 0644
page.h File 2.46 KB 0644
pal.h File 5.01 KB 0644
param.h File 284 B 0644
parport.h File 536 B 0644
pci.h File 2.87 KB 0644
percpu.h File 527 B 0644
perf_event.h File 105 B 0644
pgalloc.h File 1.82 KB 0644
pgtable.h File 13.17 KB 0644
processor.h File 2.07 KB 0644
ptrace.h File 754 B 0644
rwsem.h File 4.62 KB 0644
segment.h File 132 B 0644
serial.h File 1.01 KB 0644
sfp-machine.h File 2.86 KB 0644
shmparam.h File 191 B 0644
signal.h File 627 B 0644
smp.h File 1.34 KB 0644
socket.h File 310 B 0644
special_insns.h File 925 B 0644
spinlock.h File 2.85 KB 0644
spinlock_types.h File 413 B 0644
string.h File 2.42 KB 0644
switch_to.h File 406 B 0644
syscall.h File 235 B 0644
termios.h File 2.98 KB 0644
thread_info.h File 3.63 KB 0644
timex.h File 827 B 0644
tlb.h File 473 B 0644
tlbflush.h File 3.37 KB 0644
topology.h File 957 B 0644
types.h File 143 B 0644
uaccess.h File 9.56 KB 0644
ucontext.h File 348 B 0644
unaligned.h File 340 B 0644
unistd.h File 494 B 0644
user.h File 2.14 KB 0644
vga.h File 2 KB 0644
word-at-a-time.h File 1.34 KB 0644
wrperfmon.h File 2.56 KB 0644
xchg.h File 5.74 KB 0644
xor.h File 21.71 KB 0644