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arm: Clean out armos.h and armmmu.h

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Lioncash 2015-01-30 15:48:57 -05:00
parent 88a62b671b
commit 904194c3e8
2 changed files with 23 additions and 181 deletions
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99
src/core/arm/skyeye_common/armmmu.h
View File

@ -18,19 +18,10 @@
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/ */
#ifndef _ARMMMU_H_ #pragma once
#define _ARMMMU_H_
// Register numbers in the MMU
#define WORD_SHT 2 enum
#define WORD_SIZE (1<<WORD_SHT)
/* The MMU is accessible with MCR and MRC operations to copro 15: */
#define MMU_COPRO (15)
/* Register numbers in the MMU: */
typedef enum mmu_regnum_t
{ {
MMU_ID = 0, MMU_ID = 0,
MMU_CONTROL = 1, MMU_CONTROL = 1,
@ -44,94 +35,22 @@ typedef enum mmu_regnum_t
MMU_TLB_LOCKDOWN = 10, MMU_TLB_LOCKDOWN = 10,
MMU_PID = 13, MMU_PID = 13,
/*MMU_V4 */ // MMU_V4
MMU_V4_CACHE_OPS = 7, MMU_V4_CACHE_OPS = 7,
MMU_V4_TLB_OPS = 8, MMU_V4_TLB_OPS = 8,
/*MMU_V3 */ // MMU_V3
MMU_V3_FLUSH_TLB = 5, MMU_V3_FLUSH_TLB = 5,
MMU_V3_FLUSH_TLB_ENTRY = 6, MMU_V3_FLUSH_TLB_ENTRY = 6,
MMU_V3_FLUSH_CACHE = 7, MMU_V3_FLUSH_CACHE = 7,
/*MMU Intel SA-1100 */ // MMU Intel SA-1100
MMU_SA_RB_OPS = 9, MMU_SA_RB_OPS = 9,
MMU_SA_DEBUG = 14, MMU_SA_DEBUG = 14,
MMU_SA_CP15_R15 = 15, MMU_SA_CP15_R15 = 15,
//chy 2003-08-24
/*Intel xscale CP15 */ // Intel xscale CP15
XSCALE_CP15_CACHE_TYPE = 0, XSCALE_CP15_CACHE_TYPE = 0,
XSCALE_CP15_AUX_CONTROL = 1, XSCALE_CP15_AUX_CONTROL = 1,
XSCALE_CP15_COPRO_ACCESS = 15, XSCALE_CP15_COPRO_ACCESS = 15,
};
} mmu_regnum_t;
/* Bits in the control register */
#define CONTROL_MMU (1<<0)
#define CONTROL_ALIGN_FAULT (1<<1)
#define CONTROL_CACHE (1<<2)
#define CONTROL_DATA_CACHE (1<<2)
#define CONTROL_WRITE_BUFFER (1<<3)
#define CONTROL_BIG_ENDIAN (1<<7)
#define CONTROL_SYSTEM (1<<8)
#define CONTROL_ROM (1<<9)
#define CONTROL_UNDEFINED (1<<10)
#define CONTROL_BRANCH_PREDICT (1<<11)
#define CONTROL_INSTRUCTION_CACHE (1<<12)
#define CONTROL_VECTOR (1<<13)
#define CONTROL_RR (1<<14)
#define CONTROL_L4 (1<<15)
#define CONTROL_XP (1<<23)
#define CONTROL_EE (1<<25)
/*Macro defines for MMU state*/
#define MMU_CTL (state->mmu.control)
#define MMU_Enabled (state->mmu.control & CONTROL_MMU)
#define MMU_Disabled (!(MMU_Enabled))
#define MMU_Aligned (state->mmu.control & CONTROL_ALIGN_FAULT)
#define MMU_ICacheEnabled (MMU_CTL & CONTROL_INSTRUCTION_CACHE)
#define MMU_ICacheDisabled (!(MMU_ICacheDisabled))
#define MMU_DCacheEnabled (MMU_CTL & CONTROL_DATA_CACHE)
#define MMU_DCacheDisabled (!(MMU_DCacheEnabled))
#define MMU_CacheEnabled (MMU_CTL & CONTROL_CACHE)
#define MMU_CacheDisabled (!(MMU_CacheEnabled))
#define MMU_WBEnabled (MMU_CTL & CONTROL_WRITE_BUFFER)
#define MMU_WBDisabled (!(MMU_WBEnabled))
/*virt_addr exchange according to CP15.R13(process id virtul mapping)*/
#define PID_VA_MAP_MASK 0xfe000000
//#define mmu_pid_va_map(va) ({\
// ARMword ret; \
// if ((va) & PID_VA_MAP_MASK)\
// ret = (va); \
// else \
// ret = ((va) | (state->mmu.process_id & PID_VA_MAP_MASK));\
// ret;\
//})
#define mmu_pid_va_map(va) ((va) & PID_VA_MAP_MASK) ? (va) : ((va) | (state->mmu.process_id & PID_VA_MAP_MASK))
/* FS[3:0] in the fault status register: */
typedef enum fault_t
{
NO_FAULT = 0x0,
ALIGNMENT_FAULT = 0x1,
SECTION_TRANSLATION_FAULT = 0x5,
PAGE_TRANSLATION_FAULT = 0x7,
SECTION_DOMAIN_FAULT = 0x9,
PAGE_DOMAIN_FAULT = 0xB,
SECTION_PERMISSION_FAULT = 0xD,
SUBPAGE_PERMISSION_FAULT = 0xF,
/* defined by skyeye */
TLB_READ_MISS = 0x30,
TLB_WRITE_MISS = 0x40,
} fault_t;
#endif /* _ARMMMU_H_ */

105
src/core/arm/skyeye_common/armos.h
View File

@ -1,38 +1,24 @@
/* armos.h -- ARMulator OS definitions: ARM6 Instruction Emulator. /* armos.h -- ARMulator OS definitions: ARM6 Instruction Emulator.
Copyright (C) 1994 Advanced RISC Machines Ltd. Copyright (C) 1994 Advanced RISC Machines Ltd.
This program is free software; you can redistribute it and/or modify This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or the Free Software Foundation; either version 2 of the License, or
(at your option) any later version. (at your option) any later version.
This program is distributed in the hope that it will be useful, This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdint.h> //
// SWI Numbers
#if FAST_MEMORY //
/* in user mode, mmap_base will be on initial brk,
set at the first mmap request */
#define mmap_base -1
#else
#define mmap_base 0x50000000
#endif
static long mmap_next_base = mmap_base;
//static mmap_area_t* new_mmap_area(int sim_addr, int len);
static char mmap_mem_write(short size, int addr, uint32_t value);
static char mmap_mem_read(short size, int addr, uint32_t * value);
/***************************************************************************\
* SWI numbers *
\***************************************************************************/
#define SWI_Syscall 0x0 #define SWI_Syscall 0x0
#define SWI_Exit 0x1 #define SWI_Exit 0x1
@ -44,8 +30,8 @@ static char mmap_mem_read(short size, int addr, uint32_t * value);
#define SWI_Rename 0x26 #define SWI_Rename 0x26
#define SWI_Break 0x11 #define SWI_Break 0x11
#define SWI_Times 0x2b #define SWI_Times 0x2b
#define SWI_Brk 0x2d #define SWI_Brk 0x2d
#define SWI_Mmap 0x5a #define SWI_Mmap 0x5a
#define SWI_Munmap 0x5b #define SWI_Munmap 0x5b
@ -56,76 +42,13 @@ static char mmap_mem_read(short size, int addr, uint32_t * value);
#define SWI_GetEUID32 0xc9 #define SWI_GetEUID32 0xc9
#define SWI_GetEGID32 0xca #define SWI_GetEGID32 0xca
#define SWI_ExitGroup 0xf8 #define SWI_ExitGroup 0xf8
#if 0 #define SWI_Uname 0x7a
#define SWI_Time 0xd #define SWI_Fcntl 0xdd
#define SWI_Clock 0x61 #define SWI_Fstat64 0xc5
#define SWI_Time 0x63
#define SWI_Remove 0x64
#define SWI_Rename 0x65
#define SWI_Flen 0x6c
#endif
#define SWI_Uname 0x7a
#define SWI_Fcntl 0xdd
#define SWI_Fstat64 0xc5
#define SWI_Gettimeofday 0x4e #define SWI_Gettimeofday 0x4e
#define SWI_Set_tls 0xf0005 #define SWI_Set_tls 0xf0005
#define SWI_Breakpoint 0x180000 /* see gdb's tm-arm.h */ #define SWI_Breakpoint 0x180000 /* see gdb's tm-arm.h */
/***************************************************************************\
* SWI structures *
\***************************************************************************/
/* Arm binaries (for now) only support 32 bit, and expect to receive
32-bit compliant structure in return of a systen call. Because
we use host system calls to emulate system calls, the returned
structure can be 32-bit compliant or 64-bit compliant, depending
on the OS running skyeye. Therefore, we need a fixed size structure
adapted to arm.*/
/* Borrowed from qemu */
struct target_stat64 {
unsigned short st_dev;
unsigned char __pad0[10];
uint32_t __st_ino;
unsigned int st_mode;
unsigned int st_nlink;
uint32_t st_uid;
uint32_t st_gid;
unsigned short st_rdev;
unsigned char __pad3[10];
unsigned char __pad31[4];
long long st_size;
uint32_t st_blksize;
unsigned char __pad32[4];
uint32_t st_blocks;
uint32_t __pad4;
uint32_t st32_atime;
uint32_t __pad5;
uint32_t st32_mtime;
uint32_t __pad6;
uint32_t st32_ctime;
uint32_t __pad7;
unsigned long long st_ino;
};// __attribute__((packed));
struct target_tms32 {
uint32_t tms_utime;
uint32_t tms_stime;
uint32_t tms_cutime;
uint32_t tms_cstime;
};
struct target_timeval32 {
uint32_t tv_sec; /* seconds */
uint32_t tv_usec; /* microseconds */
};
struct target_timezone32 {
int32_t tz_minuteswest; /* minutes west of Greenwich */
int32_t tz_dsttime; /* type of DST correction */
};