-#ifndef GEMU_H
-#define GEMU_H
+#ifndef QEMU_H
+#define QEMU_H
#include "thunk.h"
#include <signal.h>
+#include <string.h>
#include "syscall_defs.h"
-#ifdef TARGET_I386
-#include "cpu-i386.h"
-#include "syscall-i386.h"
-#endif
+#include "cpu.h"
+#include "syscall.h"
+#include "gdbstub.h"
/* This struct is used to hold certain information about the image.
* Basically, it replicates in user space what would be certain
int personality;
};
+#ifdef TARGET_I386
/* Information about the current linux thread */
struct vm86_saved_state {
uint32_t eax; /* return code */
uint32_t eip;
uint16_t cs, ss, ds, es, fs, gs;
};
+#endif
+
+#ifdef TARGET_ARM
+/* FPU emulator */
+#include "nwfpe/fpa11.h"
+#endif
/* NOTE: we force a big alignment so that the stack stored after is
aligned too */
typedef struct TaskState {
struct TaskState *next;
+#ifdef TARGET_ARM
+ /* FPA state */
+ FPA11 fpa;
+ /* Extra fields for semihosted binaries. */
+ uint32_t stack_base;
+ uint32_t heap_base;
+ uint32_t heap_limit;
+ int swi_errno;
+#endif
+#ifdef TARGET_I386
struct target_vm86plus_struct *target_v86;
struct vm86_saved_state vm86_saved_regs;
struct target_vm86plus_struct vm86plus;
uint32_t v86flags;
uint32_t v86mask;
+#endif
int used; /* non zero if used */
uint8_t stack[0];
} __attribute__((aligned(16))) TaskState;
struct target_pt_regs * regs, struct image_info *infop);
void target_set_brk(char *new_brk);
+long do_brk(char *new_brk);
void syscall_init(void);
long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
long arg4, long arg5, long arg6);
void gemu_log(const char *fmt, ...) __attribute__((format(printf,1,2)));
-extern CPUX86State *global_env;
-void cpu_loop(CPUX86State *env);
-void process_pending_signals(void *cpu_env);
-void signal_init(void);
-int queue_signal(int sig, target_siginfo_t *info);
+extern CPUState *global_env;
+void cpu_loop(CPUState *env);
void init_paths(const char *prefix);
const char *path(const char *pathname);
extern int loglevel;
extern FILE *logfile;
+/* signal.c */
+void process_pending_signals(void *cpu_env);
+void signal_init(void);
+int queue_signal(int sig, target_siginfo_t *info);
+void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info);
+void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo);
+long do_sigreturn(CPUState *env);
+long do_rt_sigreturn(CPUState *env);
+
+#ifdef TARGET_I386
/* vm86.c */
void save_v86_state(CPUX86State *env);
void handle_vm86_trap(CPUX86State *env, int trapno);
void handle_vm86_fault(CPUX86State *env);
int do_vm86(CPUX86State *env, long subfunction,
struct target_vm86plus_struct * target_v86);
+#endif
/* mmap.c */
int target_mprotect(unsigned long start, unsigned long len, int prot);
unsigned long new_addr);
int target_msync(unsigned long start, unsigned long len, int flags);
-#endif
+/* user access */
+
+#define VERIFY_READ 0
+#define VERIFY_WRITE 1
+
+#define access_ok(type,addr,size) (1)
+
+#define __put_user(x,ptr)\
+({\
+ int size = sizeof(*ptr);\
+ switch(size) {\
+ case 1:\
+ stb(ptr, (typeof(*ptr))(x));\
+ break;\
+ case 2:\
+ stw(ptr, (typeof(*ptr))(x));\
+ break;\
+ case 4:\
+ stl(ptr, (typeof(*ptr))(x));\
+ break;\
+ case 8:\
+ stq(ptr, (typeof(*ptr))(x));\
+ break;\
+ default:\
+ abort();\
+ }\
+ 0;\
+})
+
+#define __get_user(x, ptr) \
+({\
+ int size = sizeof(*ptr);\
+ switch(size) {\
+ case 1:\
+ x = (typeof(*ptr))ldub((void *)ptr);\
+ break;\
+ case 2:\
+ x = (typeof(*ptr))lduw((void *)ptr);\
+ break;\
+ case 4:\
+ x = (typeof(*ptr))ldl((void *)ptr);\
+ break;\
+ case 8:\
+ x = (typeof(*ptr))ldq((void *)ptr);\
+ break;\
+ default:\
+ abort();\
+ }\
+ 0;\
+})
+
+static inline unsigned long __copy_to_user(void *dst, const void *src,
+ unsigned long size)
+{
+ memcpy(dst, src, size);
+ return 0;
+}
+
+static inline unsigned long __copy_from_user(void *dst, const void *src,
+ unsigned long size)
+{
+ memcpy(dst, src, size);
+ return 0;
+}
+
+static inline unsigned long __clear_user(void *dst, unsigned long size)
+{
+ memset(dst, 0, size);
+ return 0;
+}
+
+#define put_user(x,ptr)\
+({\
+ int __ret;\
+ if (access_ok(VERIFY_WRITE, ptr, sizeof(*ptr)))\
+ __ret = __put_user(x, ptr);\
+ else\
+ __ret = -EFAULT;\
+ __ret;\
+})
+
+#define get_user(x,ptr)\
+({\
+ int __ret;\
+ if (access_ok(VERIFY_READ, ptr, sizeof(*ptr)))\
+ __ret = __get_user(x, ptr);\
+ else\
+ __ret = -EFAULT;\
+ __ret;\
+})
+
+static inline unsigned long copy_to_user(void *dst, const void *src,
+ unsigned long size)
+{
+ if (access_ok(VERIFY_WRITE, dst, size))
+ return __copy_to_user(dst, src, size);
+ else
+ return size;
+}
+
+static inline unsigned long copy_from_user(void *dst, const void *src,
+ unsigned long size)
+{
+ if (access_ok(VERIFY_READ, src, size))
+ return __copy_from_user(dst, src, size);
+ else
+ return size;
+}
+
+static inline unsigned long clear_user(void *dst, unsigned long size)
+{
+ if (access_ok(VERIFY_WRITE, dst, size))
+ return __clear_user(dst, size);
+ else
+ return size;
+}
+
+#endif /* QEMU_H */
projects / qemu / blobdiff