/* 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 ,
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 0 xff
#define HVM_VMEST_CAUSE_SFT 0
#define HVM_VMEST_CAUSE_MSK 0 xffff
/*
* 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 0 x01
#define HVM_GE_C_XPROT 0 x11
#define HVM_GE_C_XUSER 0 x14
#define HVM_GE_C_INVI 0 x15
#define HVM_GE_C_PRIVI 0 x1B
#define HVM_GE_C_XMAL 0 x1C
#define HVM_GE_C_WREG 0 x1D
#define HVM_GE_C_PCAL 0 x1E
#define HVM_GE_C_RMAL 0 x20
#define HVM_GE_C_WMAL 0 x21
#define HVM_GE_C_RPROT 0 x22
#define HVM_GE_C_WPROT 0 x23
#define HVM_GE_C_RUSER 0 x24
#define HVM_GE_C_WUSER 0 x25
#define HVM_GE_C_CACHE 0 x28
/*
* Cause codes for Machine Check
*/
#define HVM_MCHK_C_DOWN 0 x00
#define HVM_MCHK_C_BADSP 0 x01
#define HVM_MCHK_C_BADEX 0 x02
#define HVM_MCHK_C_BADPT 0 x03
#define HVM_MCHK_C_REGWR 0 x29
#endif
Messung V0.5 in Prozent C=95 H=93 G=93
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(vorverarbeitet am 2026-10-11)
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