FM / asm

/usr/src/linux-headers-5.15.0-181/arch/hexagon/include/asm/

/usr/src/linux-headers-5.15.0-181/arch/hexagon/include/asm

Name	Size	Mode	Actions
asm-offsets.h	35	0644	edit dl rm
atomic.h	4361	0644	edit dl rm
bitops.h	6152	0644	edit dl rm
cache.h	555	0644	edit dl rm
cacheflush.h	2725	0644	edit dl rm
checksum.h	685	0644	edit dl rm
cmpxchg.h	2003	0644	edit dl rm
delay.h	344	0644	edit dl rm
dma.h	300	0644	edit dl rm
elf.h	5758	0644	edit dl rm
exec.h	398	0644	edit dl rm
fixmap.h	369	0644	edit dl rm
fpu.h	90	0644	edit dl rm
futex.h	2306	0644	edit dl rm
hexagon_vm.h	5909	0644	edit dl rm
intrinsics.h	369	0644	edit dl rm
io.h	6264	0644	edit dl rm
irq.h	523	0644	edit dl rm
irqflags.h	860	0644	edit dl rm
Kbuild	131	0644	edit dl rm
kgdb.h	754	0644	edit dl rm
linkage.h	237	0644	edit dl rm
mem-layout.h	2865	0644	edit dl rm
mmu.h	490	0644	edit dl rm
mmu_context.h	1544	0644	edit dl rm
page.h	4179	0644	edit dl rm
perf_event.h	207	0644	edit dl rm
pgalloc.h	2709	0644	edit dl rm
pgtable.h	11952	0644	edit dl rm
processor.h	3173	0644	edit dl rm
smp.h	707	0644	edit dl rm
spinlock.h	3295	0644	edit dl rm
spinlock_types.h	545	0644	edit dl rm
string.h	472	0644	edit dl rm
suspend.h	238	0644	edit dl rm
switch_to.h	478	0644	edit dl rm
syscall.h	1170	0644	edit dl rm
syscalls.h	204	0644	edit dl rm
thread_info.h	3505	0644	edit dl rm
time.h	346	0644	edit dl rm
timex.h	495	0644	edit dl rm
tlb.h	253	0644	edit dl rm
tlbflush.h	1497	0644	edit dl rm
traps.h	410	0644	edit dl rm
uaccess.h	1870	0644	edit dl rm
vdso.h	307	0644	edit dl rm
vermagic.h	299	0644	edit dl rm
vmalloc.h	99	0644	edit dl rm
vm_fault.h	359	0644	edit dl rm
vm_mmu.h	2818	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/arch/hexagon/include/asm/hexagon_vm.h (5909B)

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Declarations for to Hexagon Virtal Machine.
 *
 * Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
 */

#ifndef ASM_HEXAGON_VM_H
#define ASM_HEXAGON_VM_H

/*
 * In principle, a Linux kernel for the VM could
 * selectively define the virtual instructions
 * as inline assembler macros, but for a first pass,
 * we'll use subroutines for both the VM and the native
 * kernels.  It's costing a subroutine call/return,
 * but it makes for a single set of entry points
 * for tracing/debugging.
 */

#define HVM_TRAP1_VMVERSION		0
#define HVM_TRAP1_VMRTE			1
#define HVM_TRAP1_VMSETVEC		2
#define HVM_TRAP1_VMSETIE		3
#define HVM_TRAP1_VMGETIE		4
#define HVM_TRAP1_VMINTOP		5
#define HVM_TRAP1_VMCLRMAP		10
#define HVM_TRAP1_VMNEWMAP		11
#define HVM_TRAP1_FORMERLY_VMWIRE	12
#define HVM_TRAP1_VMCACHE		13
#define HVM_TRAP1_VMGETTIME		14
#define HVM_TRAP1_VMSETTIME		15
#define HVM_TRAP1_VMWAIT		16
#define HVM_TRAP1_VMYIELD		17
#define HVM_TRAP1_VMSTART		18
#define HVM_TRAP1_VMSTOP		19
#define HVM_TRAP1_VMVPID		20
#define HVM_TRAP1_VMSETREGS		21
#define HVM_TRAP1_VMGETREGS		22
#define HVM_TRAP1_VMTIMEROP		24

#ifndef __ASSEMBLY__

enum VM_CACHE_OPS {
	hvmc_ickill,
	hvmc_dckill,
	hvmc_l2kill,
	hvmc_dccleaninva,
	hvmc_icinva,
	hvmc_idsync,
	hvmc_fetch_cfg
};

enum VM_INT_OPS {
	hvmi_nop,
	hvmi_globen,
	hvmi_globdis,
	hvmi_locen,
	hvmi_locdis,
	hvmi_affinity,
	hvmi_get,
	hvmi_peek,
	hvmi_status,
	hvmi_post,
	hvmi_clear
};

extern void _K_VM_event_vector(void);

void __vmrte(void);
long __vmsetvec(void *);
long __vmsetie(long);
long __vmgetie(void);
long __vmintop(enum VM_INT_OPS, long, long, long, long);
long __vmclrmap(void *, unsigned long);
long __vmnewmap(void *);
long __vmcache(enum VM_CACHE_OPS op, unsigned long addr, unsigned long len);
unsigned long long __vmgettime(void);
long __vmsettime(unsigned long long);
long __vmstart(void *, void *);
void __vmstop(void);
long __vmwait(void);
void __vmyield(void);
long __vmvpid(void);

static inline long __vmcache_ickill(void)
{
	return __vmcache(hvmc_ickill, 0, 0);
}

static inline long __vmcache_dckill(void)
{
	return __vmcache(hvmc_dckill, 0, 0);
}

static inline long __vmcache_l2kill(void)
{
	return __vmcache(hvmc_l2kill, 0, 0);
}

static inline long __vmcache_dccleaninva(unsigned long addr, unsigned long len)
{
	return __vmcache(hvmc_dccleaninva, addr, len);
}

static inline long __vmcache_icinva(unsigned long addr, unsigned long len)
{
	return __vmcache(hvmc_icinva, addr, len);
}

static inline long __vmcache_idsync(unsigned long addr,
					   unsigned long len)
{
	return __vmcache(hvmc_idsync, addr, len);
}

static inline long __vmcache_fetch_cfg(unsigned long val)
{
	return __vmcache(hvmc_fetch_cfg, val, 0);
}

/* interrupt operations  */

static inline long __vmintop_nop(void)
{
	return __vmintop(hvmi_nop, 0, 0, 0, 0);
}

static inline long __vmintop_globen(long i)
{
	return __vmintop(hvmi_globen, i, 0, 0, 0);
}

static inline long __vmintop_globdis(long i)
{
	return __vmintop(hvmi_globdis, i, 0, 0, 0);
}

static inline long __vmintop_locen(long i)
{
	return __vmintop(hvmi_locen, i, 0, 0, 0);
}

static inline long __vmintop_locdis(long i)
{
	return __vmintop(hvmi_locdis, i, 0, 0, 0);
}

static inline long __vmintop_affinity(long i, long cpu)
{
	return __vmintop(hvmi_affinity, i, cpu, 0, 0);
}

static inline long __vmintop_get(void)
{
	return __vmintop(hvmi_get, 0, 0, 0, 0);
}

static inline long __vmintop_peek(void)
{
	return __vmintop(hvmi_peek, 0, 0, 0, 0);
}

static inline long __vmintop_status(long i)
{
	return __vmintop(hvmi_status, i, 0, 0, 0);
}

static inline long __vmintop_post(long i)
{
	return __vmintop(hvmi_post, i, 0, 0, 0);
}

static inline long __vmintop_clear(long i)
{
	return __vmintop(hvmi_clear, i, 0, 0, 0);
}

#else /* Only assembly code should reference these */

#endif /* __ASSEMBLY__ */

/*
 * Constants for virtual instruction parameters and return values
 */

/* vmnewmap arguments */

#define VM_TRANS_TYPE_LINEAR 0
#define VM_TRANS_TYPE_TABLE 1
#define VM_TLB_INVALIDATE_FALSE 0
#define VM_TLB_INVALIDATE_TRUE 1

/* vmsetie arguments */

#define VM_INT_DISABLE	0
#define VM_INT_ENABLE	1

/* vmsetimask arguments */

#define VM_INT_UNMASK	0
#define VM_INT_MASK	1

#define VM_NEWMAP_TYPE_LINEAR	0
#define VM_NEWMAP_TYPE_PGTABLES	1

/*
 * Event Record definitions useful to both C and Assembler
 */

/* VMEST Layout */

#define HVM_VMEST_UM_SFT	31
#define HVM_VMEST_UM_MSK	1
#define HVM_VMEST_IE_SFT	30
#define HVM_VMEST_IE_MSK	1
#define HVM_VMEST_SS_SFT	29
#define HVM_VMEST_SS_MSK	1
#define HVM_VMEST_EVENTNUM_SFT	16
#define HVM_VMEST_EVENTNUM_MSK	0xff
#define HVM_VMEST_CAUSE_SFT	0
#define HVM_VMEST_CAUSE_MSK	0xffff

/*
 * The initial program gets to find a system environment descriptor
 * on its stack when it begins execution. The first word is a version
 * code to indicate what is there.  Zero means nothing more.
 */

#define HEXAGON_VM_SED_NULL	0

/*
 * Event numbers for vector binding
 */

#define HVM_EV_RESET		0
#define HVM_EV_MACHCHECK	1
#define HVM_EV_GENEX		2
#define HVM_EV_TRAP		8
#define HVM_EV_INTR		15
/* These shoud be nuked as soon as we know the VM is up to spec v0.1.1 */
#define HVM_EV_INTR_0		16
#define HVM_MAX_INTR		240

/*
 * Cause values for General Exception
 */

#define HVM_GE_C_BUS	0x01
#define HVM_GE_C_XPROT	0x11
#define HVM_GE_C_XUSER	0x14
#define HVM_GE_C_INVI	0x15
#define HVM_GE_C_PRIVI	0x1B
#define HVM_GE_C_XMAL	0x1C
#define HVM_GE_C_WREG	0x1D
#define HVM_GE_C_PCAL	0x1E
#define HVM_GE_C_RMAL	0x20
#define HVM_GE_C_WMAL	0x21
#define HVM_GE_C_RPROT	0x22
#define HVM_GE_C_WPROT	0x23
#define HVM_GE_C_RUSER	0x24
#define HVM_GE_C_WUSER	0x25
#define HVM_GE_C_CACHE	0x28

/*
 * Cause codes for Machine Check
 */

#define	HVM_MCHK_C_DOWN		0x00
#define	HVM_MCHK_C_BADSP	0x01
#define	HVM_MCHK_C_BADEX	0x02
#define	HVM_MCHK_C_BADPT	0x03
#define	HVM_MCHK_C_REGWR	0x29

#endif

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