| /* | |
| * Declarations for to Hexagon Virtal Machine. | |
| * | |
| * Copyright (c) 2010-2013, The Linux Foundation. All rights reserved. | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License version 2 and | |
| * only version 2 as published by the Free Software Foundation. | |
| * | |
| * This program is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| * GNU General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU General Public License | |
| * along with this program; if not, write to the Free Software | |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
| * 02110-1301, USA. | |
| */ | |
| #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 |