git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1270 c046a42c-6fe2-441c-8c8c-71466251a162
79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
/*
|
|
* ARM virtual CPU header
|
|
*
|
|
* Copyright (c) 2003 Fabrice Bellard
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
#ifndef CPU_ARM_H
|
|
#define CPU_ARM_H
|
|
|
|
#define TARGET_LONG_BITS 32
|
|
|
|
#include "cpu-defs.h"
|
|
|
|
#define EXCP_UDEF 1 /* undefined instruction */
|
|
#define EXCP_SWI 2 /* software interrupt */
|
|
#define EXCP_PREFETCH_ABORT 3
|
|
#define EXCP_DATA_ABORT 4
|
|
|
|
typedef struct CPUARMState {
|
|
uint32_t regs[16];
|
|
uint32_t cpsr;
|
|
|
|
/* cpsr flag cache for faster execution */
|
|
uint32_t CF; /* 0 or 1 */
|
|
uint32_t VF; /* V is the bit 31. All other bits are undefined */
|
|
uint32_t NZF; /* N is bit 31. Z is computed from NZF */
|
|
uint32_t QF; /* 0 or 1 */
|
|
|
|
int thumb; /* 0 = arm mode, 1 = thumb mode */
|
|
|
|
/* coprocessor 15 (MMU) status */
|
|
uint32_t cp15_6;
|
|
|
|
/* exception/interrupt handling */
|
|
jmp_buf jmp_env;
|
|
int exception_index;
|
|
int interrupt_request;
|
|
struct TranslationBlock *current_tb;
|
|
int user_mode_only;
|
|
|
|
/* in order to avoid passing too many arguments to the memory
|
|
write helpers, we store some rarely used information in the CPU
|
|
context) */
|
|
unsigned long mem_write_pc; /* host pc at which the memory was
|
|
written */
|
|
unsigned long mem_write_vaddr; /* target virtual addr at which the
|
|
memory was written */
|
|
/* user data */
|
|
void *opaque;
|
|
} CPUARMState;
|
|
|
|
CPUARMState *cpu_arm_init(void);
|
|
int cpu_arm_exec(CPUARMState *s);
|
|
void cpu_arm_close(CPUARMState *s);
|
|
/* you can call this signal handler from your SIGBUS and SIGSEGV
|
|
signal handlers to inform the virtual CPU of exceptions. non zero
|
|
is returned if the signal was handled by the virtual CPU. */
|
|
struct siginfo;
|
|
int cpu_arm_signal_handler(int host_signum, struct siginfo *info,
|
|
void *puc);
|
|
|
|
#define TARGET_PAGE_BITS 12
|
|
#include "cpu-all.h"
|
|
|
|
#endif
|