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ColdFire target.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2196 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook
2006-10-22 00:18:54 +00:00
parent 223b8a40d1
commit e6e5906b6e
32 changed files with 5227 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Makefile.target
+7
View File
@@ -197,6 +197,9 @@ OBJS+=nwfpe/fpa11.o nwfpe/fpa11_cpdo.o \
nwfpe/fpa11_cpdt.o nwfpe/fpa11_cprt.o nwfpe/fpopcode.o nwfpe/single_cpdo.o \
nwfpe/double_cpdo.o nwfpe/extended_cpdo.o arm-semi.o
endif
ifeq ($(TARGET_ARCH), m68k)
OBJS+= m68k-sim.o m68k-semi.o
endif
SRCS:= $(OBJS:.o=.c)
OBJS+= libqemu.a
@@ -241,6 +244,10 @@ ifeq ($(TARGET_BASE_ARCH), sh4)
LIBOBJS+= op_helper.o helper.o
endif
ifeq ($(TARGET_BASE_ARCH), m68k)
LIBOBJS+= helper.o
endif
# NOTE: the disassembler code is only needed for debugging
LIBOBJS+=disas.o
ifeq ($(findstring i386, $(TARGET_ARCH) $(ARCH)),i386)
configure
Vendored
+8 -2
View File
@@ -362,7 +362,7 @@ if test -z "$target_list" ; then
fi
# the following are Linux specific
if [ "$user" = "yes" ] ; then
target_list="i386-user arm-user armeb-user sparc-user ppc-user mips-user mipsel-user $target_list"
target_list="i386-user arm-user armeb-user sparc-user ppc-user mips-user mipsel-user m68k-user $target_list"
fi
else
target_list=`echo "$target_list" | sed -e 's/,/ /g'`
@@ -727,6 +727,7 @@ target_bigendian="no"
[ "$target_cpu" = "ppc64" ] && target_bigendian=yes
[ "$target_cpu" = "mips" ] && target_bigendian=yes
[ "$target_cpu" = "sh4eb" ] && target_bigendian=yes
[ "$target_cpu" = "m68k" ] && target_bigendian=yes
target_softmmu="no"
if expr $target : '.*-softmmu' > /dev/null ; then
target_softmmu="yes"
@@ -822,6 +823,11 @@ elif test "$target_cpu" = "sh4" -o "$target_cpu" = "sh4eb" ; then
echo "#define TARGET_ARCH \"sh4\"" >> $config_h
echo "#define TARGET_SH4 1" >> $config_h
bflt="yes"
elif test "$target_cpu" = "m68k" ; then
echo "TARGET_ARCH=m68k" >> $config_mak
echo "#define TARGET_ARCH \"m68k\"" >> $config_h
echo "#define TARGET_M68K 1" >> $config_h
bflt="yes"
else
echo "Unsupported target CPU"
exit 1
@@ -839,7 +845,7 @@ if test "$target_user_only" = "yes" ; then
echo "#define CONFIG_USER_ONLY 1" >> $config_h
fi
if test "$target_cpu" = "arm" -o "$target_cpu" = "armeb" -o "$target_cpu" = "sparc" -o "$target_cpu" = "sparc64"; then
if test "$target_cpu" = "arm" -o "$target_cpu" = "armeb" -o "$target_cpu" = "sparc" -o "$target_cpu" = "sparc64" -o "$target_cpu" = "m68k"; then
echo "CONFIG_SOFTFLOAT=yes" >> $config_mak
echo "#define CONFIG_SOFTFLOAT 1" >> $config_h
fi
cpu-all.h
+7
View File
@@ -725,6 +725,13 @@ void page_unprotect_range(target_ulong data, target_ulong data_size);
#define cpu_gen_code cpu_ppc_gen_code
#define cpu_signal_handler cpu_ppc_signal_handler
#elif defined(TARGET_M68K)
#define CPUState CPUM68KState
#define cpu_init cpu_m68k_init
#define cpu_exec cpu_m68k_exec
#define cpu_gen_code cpu_m68k_gen_code
#define cpu_signal_handler cpu_m68k_signal_handler
#elif defined(TARGET_MIPS)
#define CPUState CPUMIPSState
#define cpu_init cpu_mips_init
cpu-exec.c
+60 -2
View File
@@ -40,14 +40,14 @@ int tb_invalidated_flag;
//#define DEBUG_EXEC
//#define DEBUG_SIGNAL
#if defined(TARGET_ARM) || defined(TARGET_SPARC)
#if defined(TARGET_ARM) || defined(TARGET_SPARC) || defined(TARGET_M68K)
/* XXX: unify with i386 target */
void cpu_loop_exit(void)
{
longjmp(env->jmp_env, 1);
}
#endif
#if !(defined(TARGET_SPARC) || defined(TARGET_SH4))
#if !(defined(TARGET_SPARC) || defined(TARGET_SH4) || defined(TARGET_M68K))
#define reg_T2
#endif
@@ -194,6 +194,10 @@ static inline TranslationBlock *tb_find_fast(void)
flags = env->hflags & (MIPS_HFLAG_TMASK | MIPS_HFLAG_BMASK);
cs_base = 0;
pc = env->PC;
#elif defined(TARGET_M68K)
flags = env->fpcr & M68K_FPCR_PREC;
cs_base = 0;
pc = env->pc;
#elif defined(TARGET_SH4)
flags = env->sr & (SR_MD | SR_RB);
cs_base = 0; /* XXXXX */
@@ -370,6 +374,10 @@ int cpu_exec(CPUState *env1)
saved_regwptr = REGWPTR;
#endif
#elif defined(TARGET_PPC)
#elif defined(TARGET_M68K)
env->cc_op = CC_OP_FLAGS;
env->cc_dest = env->sr & 0xf;
env->cc_x = (env->sr >> 4) & 1;
#elif defined(TARGET_MIPS)
#elif defined(TARGET_SH4)
/* XXXXX */
@@ -632,6 +640,12 @@ int cpu_exec(CPUState *env1)
cpu_dump_state(env, logfile, fprintf, 0);
#elif defined(TARGET_PPC)
cpu_dump_state(env, logfile, fprintf, 0);
#elif defined(TARGET_M68K)
cpu_m68k_flush_flags(env, env->cc_op);
env->cc_op = CC_OP_FLAGS;
env->sr = (env->sr & 0xffe0)
| env->cc_dest | (env->cc_x << 4);
cpu_dump_state(env, logfile, fprintf, 0);
#elif defined(TARGET_MIPS)
cpu_dump_state(env, logfile, fprintf, 0);
#elif defined(TARGET_SH4)
@@ -846,6 +860,11 @@ int cpu_exec(CPUState *env1)
REGWPTR = saved_regwptr;
#endif
#elif defined(TARGET_PPC)
#elif defined(TARGET_M68K)
cpu_m68k_flush_flags(env, env->cc_op);
env->cc_op = CC_OP_FLAGS;
env->sr = (env->sr & 0xffe0)
| env->cc_dest | (env->cc_x << 4);
#elif defined(TARGET_MIPS)
#elif defined(TARGET_SH4)
/* XXXXX */
@@ -1103,6 +1122,45 @@ static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
return 1;
}
#elif defined(TARGET_M68K)
static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
int is_write, sigset_t *old_set,
void *puc)
{
TranslationBlock *tb;
int ret;
if (cpu_single_env)
env = cpu_single_env; /* XXX: find a correct solution for multithread */
#if defined(DEBUG_SIGNAL)
printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n",
pc, address, is_write, *(unsigned long *)old_set);
#endif
/* XXX: locking issue */
if (is_write && page_unprotect(address, pc, puc)) {
return 1;
}
/* see if it is an MMU fault */
ret = cpu_m68k_handle_mmu_fault(env, address, is_write, 1, 0);
if (ret < 0)
return 0; /* not an MMU fault */
if (ret == 0)
return 1; /* the MMU fault was handled without causing real CPU fault */
/* now we have a real cpu fault */
tb = tb_find_pc(pc);
if (tb) {
/* the PC is inside the translated code. It means that we have
a virtual CPU fault */
cpu_restore_state(tb, env, pc, puc);
}
/* we restore the process signal mask as the sigreturn should
do it (XXX: use sigsetjmp) */
sigprocmask(SIG_SETMASK, old_set, NULL);
cpu_loop_exit();
/* never comes here */
return 1;
}
#elif defined (TARGET_MIPS)
static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
int is_write, sigset_t *old_set,
disas.c
+4
View File
@@ -186,6 +186,8 @@ void target_disas(FILE *out, target_ulong code, target_ulong size, int flags)
disasm_info.mach = bfd_mach_ppc;
#endif
print_insn = print_insn_ppc;
#elif defined(TARGET_M68K)
print_insn = print_insn_m68k;
#elif defined(TARGET_MIPS)
#ifdef TARGET_WORDS_BIGENDIAN
print_insn = print_insn_big_mips;
@@ -385,6 +387,8 @@ void monitor_disas(CPUState *env,
disasm_info.mach = bfd_mach_ppc;
#endif
print_insn = print_insn_ppc;
#elif defined(TARGET_M68K)
print_insn = print_insn_m68k;
#elif defined(TARGET_MIPS)
#ifdef TARGET_WORDS_BIGENDIAN
print_insn = print_insn_big_mips;
fpu/softfloat-native.c
+16
View File
@@ -221,6 +221,11 @@ float128 float64_to_float128( float64 a STATUS_PARAM)
/*----------------------------------------------------------------------------
| Software IEC/IEEE double-precision operations.
*----------------------------------------------------------------------------*/
float64 float64_trunc_to_int( float64 a STATUS_PARAM )
{
return trunc(a);
}
float64 float64_round_to_int( float64 a STATUS_PARAM )
{
#if defined(__arm__)
@@ -289,6 +294,17 @@ char float64_is_signaling_nan( float64 a1)
}
char float64_is_nan( float64 a1 )
{
float64u u;
uint64_t a;
u.f = a1;
a = u.i;
return ( LIT64( 0xFFE0000000000000 ) < (bits64) ( a<<1 ) );
}
#ifdef FLOATX80
/*----------------------------------------------------------------------------
fpu/softfloat-native.h
+2
View File
@@ -214,6 +214,7 @@ float128 float64_to_float128( float64 STATUS_PARAM );
| Software IEC/IEEE double-precision operations.
*----------------------------------------------------------------------------*/
float64 float64_round_to_int( float64 STATUS_PARAM );
float64 float64_trunc_to_int( float64 STATUS_PARAM );
INLINE float64 float64_add( float64 a, float64 b STATUS_PARAM)
{
return a + b;
@@ -265,6 +266,7 @@ INLINE char float64_unordered( float64 a, float64 b STATUS_PARAM)
char float64_compare( float64, float64 STATUS_PARAM );
char float64_compare_quiet( float64, float64 STATUS_PARAM );
char float64_is_signaling_nan( float64 );
flag float64_is_nan( float64 );
INLINE float64 float64_abs(float64 a)
{
fpu/softfloat.c
+11
View File
@@ -2483,6 +2483,17 @@ float64 float64_round_to_int( float64 a STATUS_PARAM )
}
float64 float64_trunc_to_int( float64 a STATUS_PARAM)
{
int oldmode;
float64 res;
oldmode = STATUS(float_rounding_mode);
STATUS(float_rounding_mode) = float_round_to_zero;
res = float64_round_to_int(a STATUS_VAR);
STATUS(float_rounding_mode) = oldmode;
return res;
}
/*----------------------------------------------------------------------------
| Returns the result of adding the absolute values of the double-precision
| floating-point values `a' and `b'. If `zSign' is 1, the sum is negated
fpu/softfloat.h
+2
View File
@@ -237,6 +237,7 @@ char float32_lt_quiet( float32, float32 STATUS_PARAM );
char float32_compare( float32, float32 STATUS_PARAM );
char float32_compare_quiet( float32, float32 STATUS_PARAM );
char float32_is_signaling_nan( float32 );
flag float64_is_nan( float64 a );
INLINE float32 float32_abs(float32 a)
{
@@ -269,6 +270,7 @@ float128 float64_to_float128( float64 STATUS_PARAM );
| Software IEC/IEEE double-precision operations.
*----------------------------------------------------------------------------*/
float64 float64_round_to_int( float64 STATUS_PARAM );
float64 float64_trunc_to_int( float64 STATUS_PARAM );
float64 float64_add( float64, float64 STATUS_PARAM );
float64 float64_sub( float64, float64 STATUS_PARAM );
float64 float64_mul( float64, float64 STATUS_PARAM );
gdbstub.c
+67
View File
@@ -434,6 +434,73 @@ static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size)
ptr += 8 * 12 + 4;
cpsr_write (env, tswapl(*(uint32_t *)ptr), 0xffffffff);
}
#elif defined (TARGET_M68K)
static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf)
{
int i;
uint8_t *ptr;
CPU_DoubleU u;
ptr = mem_buf;
/* D0-D7 */
for (i = 0; i < 8; i++) {
*(uint32_t *)ptr = tswapl(env->dregs[i]);
ptr += 4;
}
/* A0-A7 */
for (i = 0; i < 8; i++) {
*(uint32_t *)ptr = tswapl(env->aregs[i]);
ptr += 4;
}
*(uint32_t *)ptr = tswapl(env->sr);
ptr += 4;
*(uint32_t *)ptr = tswapl(env->pc);
ptr += 4;
/* F0-F7. The 68881/68040 have 12-bit extended precision registers.
ColdFire has 8-bit double precision registers. */
for (i = 0; i < 8; i++) {
u.d = env->fregs[i];
*(uint32_t *)ptr = tswap32(u.l.upper);
*(uint32_t *)ptr = tswap32(u.l.lower);
}
/* FP control regs (not implemented). */
memset (ptr, 0, 3 * 4);
ptr += 3 * 4;
return ptr - mem_buf;
}
static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size)
{
int i;
uint8_t *ptr;
CPU_DoubleU u;
ptr = mem_buf;
/* D0-D7 */
for (i = 0; i < 8; i++) {
env->dregs[i] = tswapl(*(uint32_t *)ptr);
ptr += 4;
}
/* A0-A7 */
for (i = 0; i < 8; i++) {
env->aregs[i] = tswapl(*(uint32_t *)ptr);
ptr += 4;
}
env->sr = tswapl(*(uint32_t *)ptr);
ptr += 4;
env->pc = tswapl(*(uint32_t *)ptr);
ptr += 4;
/* F0-F7. The 68881/68040 have 12-bit extended precision registers.
ColdFire has 8-bit double precision registers. */
for (i = 0; i < 8; i++) {
u.l.upper = tswap32(*(uint32_t *)ptr);
u.l.lower = tswap32(*(uint32_t *)ptr);
env->fregs[i] = u.d;
}
/* FP control regs (not implemented). */
ptr += 3 * 4;
}
#elif defined (TARGET_MIPS)
static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf)
{
hw/pl110.c
+3 -2
View File
@@ -185,10 +185,11 @@ static void pl110_update_display(void *opaque)
addr = base;
dirty = cpu_physical_memory_get_dirty(addr, VGA_DIRTY_FLAG);
new_dirty = dirty;
for (i = 0; i < s->rows; i++) {
new_dirty = 0;
if ((addr & TARGET_PAGE_MASK) + src_width >= TARGET_PAGE_SIZE) {
if ((addr & ~TARGET_PAGE_MASK) + src_width >= TARGET_PAGE_SIZE) {
uint32_t tmp;
new_dirty = 0;
for (tmp = 0; tmp < src_width; tmp += TARGET_PAGE_SIZE) {
new_dirty |= cpu_physical_memory_get_dirty(addr + tmp,
VGA_DIRTY_FLAG);
linux-user/elfload.c
+25
View File
@@ -288,6 +288,31 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
#endif
#ifdef TARGET_M68K
#define ELF_START_MMAP 0x80000000
#define elf_check_arch(x) ( (x) == EM_68K )
#define ELF_CLASS ELFCLASS32
#define ELF_DATA ELFDATA2MSB
#define ELF_ARCH EM_68K
/* ??? Does this need to do anything?
#define ELF_PLAT_INIT(_r) */
static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
{
regs->usp = infop->start_stack;
regs->sr = 0;
regs->pc = infop->entry;
}
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE 8192
#endif
#ifndef ELF_PLATFORM
#define ELF_PLATFORM (NULL)
#endif
linux-user/m68k-semi.c
+216
View File
@@ -0,0 +1,216 @@
/*
* m68k/ColdFire Semihosting ssycall interface
*
* Copyright (c) 2005 CodeSourcery, LLC. Written by Paul Brook.
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/time.h>
#include <time.h>
#include "qemu.h"
#define HOSTED_EXIT 0
#define HOSTED_PUTCHAR 1 /* Obsolete */
#define HOSTED_OPEN 2
#define HOSTED_CLOSE 3
#define HOSTED_READ 4
#define HOSTED_WRITE 5
#define HOSTED_LSEEK 6
#define HOSTED_RENAME 7
#define HOSTED_UNLINK 8
#define HOSTED_STAT 9
#define HOSTED_FSTAT 10
#define HOSTED_GETTIMEOFDAY 11
#define HOSTED_ISATTY 12
#define HOSTED_SYSTEM 13
typedef uint32_t gdb_mode_t;
typedef uint32_t gdb_time_t;
struct m68k_gdb_stat {
uint32_t gdb_st_dev; /* device */
uint32_t gdb_st_ino; /* inode */
gdb_mode_t gdb_st_mode; /* protection */
uint32_t gdb_st_nlink; /* number of hard links */
uint32_t gdb_st_uid; /* user ID of owner */
uint32_t gdb_st_gid; /* group ID of owner */
uint32_t gdb_st_rdev; /* device type (if inode device) */
uint64_t gdb_st_size; /* total size, in bytes */
uint64_t gdb_st_blksize; /* blocksize for filesystem I/O */
uint64_t gdb_st_blocks; /* number of blocks allocated */
gdb_time_t gdb_st_atime; /* time of last access */
gdb_time_t gdb_st_mtime; /* time of last modification */
gdb_time_t gdb_st_ctime; /* time of last change */
};
struct gdb_timeval {
gdb_time_t tv_sec; /* second */
uint64_t tv_usec; /* microsecond */
};
#define GDB_O_RDONLY 0x0
#define GDB_O_WRONLY 0x1
#define GDB_O_RDWR 0x2
#define GDB_O_APPEND 0x8
#define GDB_O_CREAT 0x200
#define GDB_O_TRUNC 0x400
#define GDB_O_EXCL 0x800
static int translate_openflags(int flags)
{
int hf;
if (flags & GDB_O_WRONLY)
hf = O_WRONLY;
else if (flags & GDB_O_RDWR)
hf = O_RDWR;
else
hf = O_RDONLY;
if (flags & GDB_O_APPEND) hf |= O_APPEND;
if (flags & GDB_O_CREAT) hf |= O_CREAT;
if (flags & GDB_O_TRUNC) hf |= O_TRUNC;
if (flags & GDB_O_EXCL) hf |= O_EXCL;
return hf;
}
static void translate_stat(struct m68k_gdb_stat *p, struct stat *s)
{
p->gdb_st_dev = tswap16(s->st_dev);
p->gdb_st_ino = tswap16(s->st_ino);
p->gdb_st_mode = tswap32(s->st_mode);
p->gdb_st_nlink = tswap16(s->st_nlink);
p->gdb_st_uid = tswap16(s->st_uid);
p->gdb_st_gid = tswap16(s->st_gid);
p->gdb_st_rdev = tswap16(s->st_rdev);
p->gdb_st_size = tswap32(s->st_size);
p->gdb_st_atime = tswap32(s->st_atime);
p->gdb_st_mtime = tswap32(s->st_mtime);
p->gdb_st_ctime = tswap32(s->st_ctime);
p->gdb_st_blksize = tswap32(s->st_blksize);
p->gdb_st_blocks = tswap32(s->st_blocks);
}
static inline uint32_t check_err(CPUM68KState *env, uint32_t code)
{
if (code == (uint32_t)-1) {
env->sr |= CCF_C;
} else {
env->sr &= ~CCF_C;
env->dregs[0] = code;
}
return code;
}
#define ARG(x) tswap32(args[x])
void do_m68k_semihosting(CPUM68KState *env, int nr)
{
uint32_t *args;
args = (uint32_t *)env->dregs[1];
switch (nr) {
case HOSTED_EXIT:
exit(env->dregs[0]);
case HOSTED_OPEN:
/* Assume name is NULL terminated. */
check_err(env, open((char *)ARG(0), translate_openflags(ARG(2)),
ARG(3)));
break;
case HOSTED_CLOSE:
{
/* Ignore attempts to close stdin/out/err. */
int fd = ARG(0);
if (fd > 2)
check_err(env, close(fd));
else
check_err(env, 0);
break;
}
case HOSTED_READ:
check_err(env, read(ARG(0), (void *)ARG(1), ARG(2)));
break;
case HOSTED_WRITE:
check_err(env, write(ARG(0), (void *)ARG(1), ARG(2)));
break;
case HOSTED_LSEEK:
{
uint64_t off;
off = (uint32_t)ARG(2) | ((uint64_t)ARG(1) << 32);
check_err(env, lseek(ARG(0), off, ARG(3)));
}
break;
case HOSTED_RENAME:
/* Assume names are NULL terminated. */
check_err(env, rename((char *)ARG(0), (char *)ARG(2)));
break;
case HOSTED_UNLINK:
/* Assume name is NULL terminated. */
check_err(env, unlink((char *)ARG(0)));
break;
case HOSTED_STAT:
/* Assume name is NULL terminated. */
{
struct stat s;
int rc;
rc = check_err(env, stat((char *)ARG(0), &s));
if (rc == 0) {
translate_stat((struct m68k_gdb_stat *)ARG(2), &s);
}
}
break;
case HOSTED_FSTAT:
{
struct stat s;
int rc;
rc = check_err(env, fstat(ARG(0), &s));
if (rc == 0) {
translate_stat((struct m68k_gdb_stat *)ARG(1), &s);
}
}
break;
case HOSTED_GETTIMEOFDAY:
{
struct timeval tv;
struct gdb_timeval *p;
int rc;
rc = check_err(env, gettimeofday(&tv, NULL));
if (rc != 0) {
p = (struct gdb_timeval *)ARG(0);
p->tv_sec = tswap32(tv.tv_sec);
p->tv_usec = tswap64(tv.tv_usec);
}
}
break;
case HOSTED_ISATTY:
check_err(env, isatty(ARG(0)));
break;
case HOSTED_SYSTEM:
/* Assume name is NULL terminated. */
check_err(env, system((char *)ARG(0)));
break;
default:
cpu_abort(env, "Unsupported semihosting syscall %d\n", nr);
}
}
linux-user/m68k-sim.c
+171
View File
@@ -0,0 +1,171 @@
/*
* m68k simulator syscall interface
*
* Copyright (c) 2005 CodeSourcery, LLC. Written by Paul Brook.
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include "qemu.h"
#define SYS_EXIT 1
#define SYS_READ 3
#define SYS_WRITE 4
#define SYS_OPEN 5
#define SYS_CLOSE 6
#define SYS_BRK 17
#define SYS_FSTAT 28
#define SYS_ISATTY 29
#define SYS_LSEEK 199
struct m86k_sim_stat {
uint16_t sim_st_dev;
uint16_t sim_st_ino;
uint32_t sim_st_mode;
uint16_t sim_st_nlink;
uint16_t sim_st_uid;
uint16_t sim_st_gid;
uint16_t sim_st_rdev;
uint32_t sim_st_size;
uint32_t sim_st_atime;
uint32_t sim_st_mtime;
uint32_t sim_st_ctime;
uint32_t sim_st_blksize;
uint32_t sim_st_blocks;
};
static inline uint32_t check_err(CPUM68KState *env, uint32_t code)
{
env->dregs[0] = code;
if (code == (uint32_t)-1) {
env->dregs[1] = errno;
} else {
env->dregs[1] = 0;
}
return code;
}
#define SIM_O_APPEND 0x0008
#define SIM_O_CREAT 0x0200
#define SIM_O_TRUNC 0x0400
#define SIM_O_EXCL 0x0800
#define SIM_O_NONBLOCK 0x4000
#define SIM_O_NOCTTY 0x8000
#define SIM_O_SYNC 0x2000
static int translate_openflags(int flags)
{
int hf;
switch (flags & 3) {
case 0: hf = O_RDONLY; break;
case 1: hf = O_WRONLY; break;
case 2: hf = O_RDWR; break;
default: hf = O_RDWR; break;
}
if (flags & SIM_O_APPEND) hf |= O_APPEND;
if (flags & SIM_O_CREAT) hf |= O_CREAT;
if (flags & SIM_O_TRUNC) hf |= O_TRUNC;
if (flags & SIM_O_EXCL) hf |= O_EXCL;
if (flags & SIM_O_NONBLOCK) hf |= O_NONBLOCK;
if (flags & SIM_O_NOCTTY) hf |= O_NOCTTY;
if (flags & SIM_O_SYNC) hf |= O_SYNC;
return hf;
}
#define ARG(x) tswap32(args[x])
void do_m68k_simcall(CPUM68KState *env, int nr)
{
uint32_t *args;
args = (uint32_t *)(env->aregs[7] + 4);
switch (nr) {
case SYS_EXIT:
exit(ARG(0));
case SYS_READ:
check_err(env, read(ARG(0), (void *)ARG(1), ARG(2)));
break;
case SYS_WRITE:
check_err(env, write(ARG(0), (void *)ARG(1), ARG(2)));
break;
case SYS_OPEN:
check_err(env, open((char *)ARG(0), translate_openflags(ARG(1)),
ARG(2)));
break;
case SYS_CLOSE:
{
/* Ignore attempts to close stdin/out/err. */
int fd = ARG(0);
if (fd > 2)
check_err(env, close(fd));
else
check_err(env, 0);
break;
}
case SYS_BRK:
{
int32_t ret;
ret = do_brk((void *)ARG(0));
if (ret == -ENOMEM)
ret = -1;
check_err(env, ret);
}
break;
case SYS_FSTAT:
{
struct stat s;
int rc;
struct m86k_sim_stat *p;
rc = check_err(env, fstat(ARG(0), &s));
if (rc == 0) {
p = (struct m86k_sim_stat *)ARG(1);
p->sim_st_dev = tswap16(s.st_dev);
p->sim_st_ino = tswap16(s.st_ino);
p->sim_st_mode = tswap32(s.st_mode);
p->sim_st_nlink = tswap16(s.st_nlink);
p->sim_st_uid = tswap16(s.st_uid);
p->sim_st_gid = tswap16(s.st_gid);
p->sim_st_rdev = tswap16(s.st_rdev);
p->sim_st_size = tswap32(s.st_size);
p->sim_st_atime = tswap32(s.st_atime);
p->sim_st_mtime = tswap32(s.st_mtime);
p->sim_st_ctime = tswap32(s.st_ctime);
p->sim_st_blksize = tswap32(s.st_blksize);
p->sim_st_blocks = tswap32(s.st_blocks);
}
}
break;
case SYS_ISATTY:
check_err(env, isatty(ARG(0)));
break;
case SYS_LSEEK:
check_err(env, lseek(ARG(0), (int32_t)ARG(1), ARG(2)));
break;
default:
cpu_abort(env, "Unsupported m68k sim syscall %d\n", nr);
}
}
linux-user/m68k/syscall.h
+22
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@@ -0,0 +1,22 @@
/* this struct defines the way the registers are stored on the
stack during a system call. */
struct target_pt_regs {
target_long d1, d2, d3, d4, d5, d6, d7;
target_long a0, a1, a2, a3, a4, a5, a6;
target_ulong d0;
target_ulong usp;
target_ulong orig_d0;
int16_t stkadj;
uint16_t sr;
target_ulong pc;
uint16_t fntvex;
uint16_t __fill;
};
#define UNAME_MACHINE "m68k"
void do_m68k_semihosting(CPUState *, int);
void do_m68k_simcall(CPUState *, int);
linux-user/m68k/syscall_nr.h
+283
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@@ -0,0 +1,283 @@
/*
* This file contains the system call numbers.
*/
#define TARGET_NR_exit 1
#define TARGET_NR_fork 2
#define TARGET_NR_read 3
#define TARGET_NR_write 4
#define TARGET_NR_open 5
#define TARGET_NR_close 6
#define TARGET_NR_waitpid 7
#define TARGET_NR_creat 8
#define TARGET_NR_link 9
#define TARGET_NR_unlink 10
#define TARGET_NR_execve 11
#define TARGET_NR_chdir 12
#define TARGET_NR_time 13
#define TARGET_NR_mknod 14
#define TARGET_NR_chmod 15
#define TARGET_NR_chown 16
#define TARGET_NR_break 17
#define TARGET_NR_oldstat 18
#define TARGET_NR_lseek 19
#define TARGET_NR_getpid 20
#define TARGET_NR_mount 21
#define TARGET_NR_umount 22
#define TARGET_NR_setuid 23
#define TARGET_NR_getuid 24
#define TARGET_NR_stime 25
#define TARGET_NR_ptrace 26
#define TARGET_NR_alarm 27
#define TARGET_NR_oldfstat 28
#define TARGET_NR_pause 29
#define TARGET_NR_utime 30
#define TARGET_NR_stty 31
#define TARGET_NR_gtty 32
#define TARGET_NR_access 33
#define TARGET_NR_nice 34
#define TARGET_NR_ftime 35
#define TARGET_NR_sync 36
#define TARGET_NR_kill 37
#define TARGET_NR_rename 38
#define TARGET_NR_mkdir 39
#define TARGET_NR_rmdir 40
#define TARGET_NR_dup 41
#define TARGET_NR_pipe 42
#define TARGET_NR_times 43
#define TARGET_NR_prof 44
#define TARGET_NR_brk 45
#define TARGET_NR_setgid 46
#define TARGET_NR_getgid 47
#define TARGET_NR_signal 48
#define TARGET_NR_geteuid 49
#define TARGET_NR_getegid 50
#define TARGET_NR_acct 51
#define TARGET_NR_umount2 52
#define TARGET_NR_lock 53
#define TARGET_NR_ioctl 54
#define TARGET_NR_fcntl 55
#define TARGET_NR_mpx 56
#define TARGET_NR_setpgid 57
#define TARGET_NR_ulimit 58
#define TARGET_NR_oldolduname 59
#define TARGET_NR_umask 60
#define TARGET_NR_chroot 61
#define TARGET_NR_ustat 62
#define TARGET_NR_dup2 63
#define TARGET_NR_getppid 64
#define TARGET_NR_getpgrp 65
#define TARGET_NR_setsid 66
#define TARGET_NR_sigaction 67
#define TARGET_NR_sgetmask 68
#define TARGET_NR_ssetmask 69
#define TARGET_NR_setreuid 70
#define TARGET_NR_setregid 71
#define TARGET_NR_sigsuspend 72
#define TARGET_NR_sigpending 73
#define TARGET_NR_sethostname 74
#define TARGET_NR_setrlimit 75
#define TARGET_NR_getrlimit 76
#define TARGET_NR_getrusage 77
#define TARGET_NR_gettimeofday 78
#define TARGET_NR_settimeofday 79
#define TARGET_NR_getgroups 80
#define TARGET_NR_setgroups 81
#define TARGET_NR_select 82
#define TARGET_NR_symlink 83
#define TARGET_NR_oldlstat 84
#define TARGET_NR_readlink 85
#define TARGET_NR_uselib 86
#define TARGET_NR_swapon 87
#define TARGET_NR_reboot 88
#define TARGET_NR_readdir 89
#define TARGET_NR_mmap 90
#define TARGET_NR_munmap 91
#define TARGET_NR_truncate 92
#define TARGET_NR_ftruncate 93
#define TARGET_NR_fchmod 94
#define TARGET_NR_fchown 95
#define TARGET_NR_getpriority 96
#define TARGET_NR_setpriority 97
#define TARGET_NR_profil 98
#define TARGET_NR_statfs 99
#define TARGET_NR_fstatfs 100
#define TARGET_NR_ioperm 101
#define TARGET_NR_socketcall 102
#define TARGET_NR_syslog 103
#define TARGET_NR_setitimer 104
#define TARGET_NR_getitimer 105
#define TARGET_NR_stat 106
#define TARGET_NR_lstat 107
#define TARGET_NR_fstat 108
#define TARGET_NR_olduname 109
//#define TARGET_NR_iopl /* 110 */ not supported
#define TARGET_NR_vhangup 111
//#define TARGET_NR_idle /* 112 */ Obsolete
//#define TARGET_NR_vm86 /* 113 */ not supported
#define TARGET_NR_wait4 114
#define TARGET_NR_swapoff 115
#define TARGET_NR_sysinfo 116
#define TARGET_NR_ipc 117
#define TARGET_NR_fsync 118
#define TARGET_NR_sigreturn 119
#define TARGET_NR_clone 120
#define TARGET_NR_setdomainname 121
#define TARGET_NR_uname 122
#define TARGET_NR_cacheflush 123
#define TARGET_NR_adjtimex 124
#define TARGET_NR_mprotect 125
#define TARGET_NR_sigprocmask 126
#define TARGET_NR_create_module 127
#define TARGET_NR_init_module 128
#define TARGET_NR_delete_module 129
#define TARGET_NR_get_kernel_syms 130
#define TARGET_NR_quotactl 131
#define TARGET_NR_getpgid 132
#define TARGET_NR_fchdir 133
#define TARGET_NR_bdflush 134
#define TARGET_NR_sysfs 135
#define TARGET_NR_personality 136
#define TARGET_NR_afs_syscall 137 /* Syscall for Andrew File System */
#define TARGET_NR_setfsuid 138
#define TARGET_NR_setfsgid 139
#define TARGET_NR__llseek 140
#define TARGET_NR_getdents 141
#define TARGET_NR__newselect 142
#define TARGET_NR_flock 143
#define TARGET_NR_msync 144
#define TARGET_NR_readv 145
#define TARGET_NR_writev 146
#define TARGET_NR_getsid 147
#define TARGET_NR_fdatasync 148
#define TARGET_NR__sysctl 149
#define TARGET_NR_mlock 150
#define TARGET_NR_munlock 151
#define TARGET_NR_mlockall 152
#define TARGET_NR_munlockall 153
#define TARGET_NR_sched_setparam 154
#define TARGET_NR_sched_getparam 155
#define TARGET_NR_sched_setscheduler 156
#define TARGET_NR_sched_getscheduler 157
#define TARGET_NR_sched_yield 158
#define TARGET_NR_sched_get_priority_max 159
#define TARGET_NR_sched_get_priority_min 160
#define TARGET_NR_sched_rr_get_interval 161
#define TARGET_NR_nanosleep 162
#define TARGET_NR_mremap 163
#define TARGET_NR_setresuid 164
#define TARGET_NR_getresuid 165
#define TARGET_NR_getpagesize 166
#define TARGET_NR_query_module 167
#define TARGET_NR_poll 168
#define TARGET_NR_nfsservctl 169
#define TARGET_NR_setresgid 170
#define TARGET_NR_getresgid 171
#define TARGET_NR_prctl 172
#define TARGET_NR_rt_sigreturn 173
#define TARGET_NR_rt_sigaction 174
#define TARGET_NR_rt_sigprocmask 175
#define TARGET_NR_rt_sigpending 176
#define TARGET_NR_rt_sigtimedwait 177
#define TARGET_NR_rt_sigqueueinfo 178
#define TARGET_NR_rt_sigsuspend 179
#define TARGET_NR_pread64 180
#define TARGET_NR_pwrite64 181
#define TARGET_NR_lchown 182
#define TARGET_NR_getcwd 183
#define TARGET_NR_capget 184
#define TARGET_NR_capset 185
#define TARGET_NR_sigaltstack 186
#define TARGET_NR_sendfile 187
#define TARGET_NR_getpmsg 188 /* some people actually want streams */
#define TARGET_NR_putpmsg 189 /* some people actually want streams */
#define TARGET_NR_vfork 190
#define TARGET_NR_ugetrlimit 191
#define TARGET_NR_mmap2 192
#define TARGET_NR_truncate64 193
#define TARGET_NR_ftruncate64 194
#define TARGET_NR_stat64 195
#define TARGET_NR_lstat64 196
#define TARGET_NR_fstat64 197
#define TARGET_NR_chown32 198
#define TARGET_NR_getuid32 199
#define TARGET_NR_getgid32 200
#define TARGET_NR_geteuid32 201
#define TARGET_NR_getegid32 202
#define TARGET_NR_setreuid32 203
#define TARGET_NR_setregid32 204
#define TARGET_NR_getgroups32 205
#define TARGET_NR_setgroups32 206
#define TARGET_NR_fchown32 207
#define TARGET_NR_setresuid32 208
#define TARGET_NR_getresuid32 209
#define TARGET_NR_setresgid32 210
#define TARGET_NR_getresgid32 211
#define TARGET_NR_lchown32 212
#define TARGET_NR_setuid32 213
#define TARGET_NR_setgid32 214
#define TARGET_NR_setfsuid32 215
#define TARGET_NR_setfsgid32 216
#define TARGET_NR_pivot_root 217
#define TARGET_NR_getdents64 220
#define TARGET_NR_gettid 221
#define TARGET_NR_tkill 222
#define TARGET_NR_setxattr 223
#define TARGET_NR_lsetxattr 224
#define TARGET_NR_fsetxattr 225
#define TARGET_NR_getxattr 226
#define TARGET_NR_lgetxattr 227
#define TARGET_NR_fgetxattr 228
#define TARGET_NR_listxattr 229
#define TARGET_NR_llistxattr 230
#define TARGET_NR_flistxattr 231
#define TARGET_NR_removexattr 232
#define TARGET_NR_lremovexattr 233
#define TARGET_NR_fremovexattr 234
#define TARGET_NR_futex 235
#define TARGET_NR_sendfile64 236
#define TARGET_NR_mincore 237
#define TARGET_NR_madvise 238
#define TARGET_NR_fcntl64 239
#define TARGET_NR_readahead 240
#define TARGET_NR_io_setup 241
#define TARGET_NR_io_destroy 242
#define TARGET_NR_io_getevents 243
#define TARGET_NR_io_submit 244
#define TARGET_NR_io_cancel 245
#define TARGET_NR_fadvise64 246
#define TARGET_NR_exit_group 247
#define TARGET_NR_lookup_dcookie 248
#define TARGET_NR_epoll_create 249
#define TARGET_NR_epoll_ctl 250
#define TARGET_NR_epoll_wait 251
#define TARGET_NR_remap_file_pages 252
#define TARGET_NR_set_tid_address 253
#define TARGET_NR_timer_create 254
#define TARGET_NR_timer_settime 255
#define TARGET_NR_timer_gettime 256
#define TARGET_NR_timer_getoverrun 257
#define TARGET_NR_timer_delete 258
#define TARGET_NR_clock_settime 259
#define TARGET_NR_clock_gettime 260
#define TARGET_NR_clock_getres 261
#define TARGET_NR_clock_nanosleep 262
#define TARGET_NR_statfs64 263
#define TARGET_NR_fstatfs64 264
#define TARGET_NR_tgkill 265
#define TARGET_NR_utimes 266
#define TARGET_NR_fadvise64_64 267
#define TARGET_NR_mbind 268
#define TARGET_NR_get_mempolicy 269
#define TARGET_NR_set_mempolicy 270
#define TARGET_NR_mq_open 271
#define TARGET_NR_mq_unlink 272
#define TARGET_NR_mq_timedsend 273
#define TARGET_NR_mq_timedreceive 274
#define TARGET_NR_mq_notify 275
#define TARGET_NR_mq_getsetattr 276
#define TARGET_NR_waitid 277
#define TARGET_NR_vserver 278
#define TARGET_NR_add_key 279
#define TARGET_NR_request_key 280
#define TARGET_NR_keyctl 281
linux-user/m68k/termbits.h
+215
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@@ -0,0 +1,215 @@
/* from asm/termbits.h */
/* NOTE: exactly the same as i386 */
#define TARGET_NCCS 19
struct target_termios {
unsigned int c_iflag; /* input mode flags */
unsigned int c_oflag; /* output mode flags */
unsigned int c_cflag; /* control mode flags */
unsigned int c_lflag; /* local mode flags */
unsigned char c_line; /* line discipline */
unsigned char c_cc[TARGET_NCCS]; /* control characters */
};
/* c_iflag bits */
#define TARGET_IGNBRK 0000001
#define TARGET_BRKINT 0000002
#define TARGET_IGNPAR 0000004
#define TARGET_PARMRK 0000010
#define TARGET_INPCK 0000020
#define TARGET_ISTRIP 0000040
#define TARGET_INLCR 0000100
#define TARGET_IGNCR 0000200
#define TARGET_ICRNL 0000400
#define TARGET_IUCLC 0001000
#define TARGET_IXON 0002000
#define TARGET_IXANY 0004000
#define TARGET_IXOFF 0010000
#define TARGET_IMAXBEL 0020000
/* c_oflag bits */
#define TARGET_OPOST 0000001
#define TARGET_OLCUC 0000002
#define TARGET_ONLCR 0000004
#define TARGET_OCRNL 0000010
#define TARGET_ONOCR 0000020
#define TARGET_ONLRET 0000040
#define TARGET_OFILL 0000100
#define TARGET_OFDEL 0000200
#define TARGET_NLDLY 0000400
#define TARGET_NL0 0000000
#define TARGET_NL1 0000400
#define TARGET_CRDLY 0003000
#define TARGET_CR0 0000000
#define TARGET_CR1 0001000
#define TARGET_CR2 0002000
#define TARGET_CR3 0003000
#define TARGET_TABDLY 0014000
#define TARGET_TAB0 0000000
#define TARGET_TAB1 0004000
#define TARGET_TAB2 0010000
#define TARGET_TAB3 0014000
#define TARGET_XTABS 0014000
#define TARGET_BSDLY 0020000
#define TARGET_BS0 0000000
#define TARGET_BS1 0020000
#define TARGET_VTDLY 0040000
#define TARGET_VT0 0000000
#define TARGET_VT1 0040000
#define TARGET_FFDLY 0100000
#define TARGET_FF0 0000000
#define TARGET_FF1 0100000
/* c_cflag bit meaning */
#define TARGET_CBAUD 0010017
#define TARGET_B0 0000000 /* hang up */
#define TARGET_B50 0000001
#define TARGET_B75 0000002
#define TARGET_B110 0000003
#define TARGET_B134 0000004
#define TARGET_B150 0000005
#define TARGET_B200 0000006
#define TARGET_B300 0000007
#define TARGET_B600 0000010
#define TARGET_B1200 0000011
#define TARGET_B1800 0000012
#define TARGET_B2400 0000013
#define TARGET_B4800 0000014
#define TARGET_B9600 0000015
#define TARGET_B19200 0000016
#define TARGET_B38400 0000017
#define TARGET_EXTA B19200
#define TARGET_EXTB B38400
#define TARGET_CSIZE 0000060
#define TARGET_CS5 0000000
#define TARGET_CS6 0000020
#define TARGET_CS7 0000040
#define TARGET_CS8 0000060
#define TARGET_CSTOPB 0000100
#define TARGET_CREAD 0000200
#define TARGET_PARENB 0000400
#define TARGET_PARODD 0001000
#define TARGET_HUPCL 0002000
#define TARGET_CLOCAL 0004000
#define TARGET_CBAUDEX 0010000
#define TARGET_B57600 0010001
#define TARGET_B115200 0010002
#define TARGET_B230400 0010003
#define TARGET_B460800 0010004
#define TARGET_CIBAUD 002003600000 /* input baud rate (not used) */
#define TARGET_CRTSCTS 020000000000 /* flow control */
/* c_lflag bits */
#define TARGET_ISIG 0000001
#define TARGET_ICANON 0000002
#define TARGET_XCASE 0000004
#define TARGET_ECHO 0000010
#define TARGET_ECHOE 0000020
#define TARGET_ECHOK 0000040
#define TARGET_ECHONL 0000100
#define TARGET_NOFLSH 0000200
#define TARGET_TOSTOP 0000400
#define TARGET_ECHOCTL 0001000
#define TARGET_ECHOPRT 0002000
#define TARGET_ECHOKE 0004000
#define TARGET_FLUSHO 0010000
#define TARGET_PENDIN 0040000
#define TARGET_IEXTEN 0100000
/* c_cc character offsets */
#define TARGET_VINTR 0
#define TARGET_VQUIT 1
#define TARGET_VERASE 2
#define TARGET_VKILL 3
#define TARGET_VEOF 4
#define TARGET_VTIME 5
#define TARGET_VMIN 6
#define TARGET_VSWTC 7
#define TARGET_VSTART 8
#define TARGET_VSTOP 9
#define TARGET_VSUSP 10
#define TARGET_VEOL 11
#define TARGET_VREPRINT 12
#define TARGET_VDISCARD 13
#define TARGET_VWERASE 14
#define TARGET_VLNEXT 15
#define TARGET_VEOL2 16
/* ioctls */
#define TARGET_TCGETS 0x5401
#define TARGET_TCSETS 0x5402
#define TARGET_TCSETSW 0x5403
#define TARGET_TCSETSF 0x5404
#define TARGET_TCGETA 0x5405
#define TARGET_TCSETA 0x5406
#define TARGET_TCSETAW 0x5407
#define TARGET_TCSETAF 0x5408
#define TARGET_TCSBRK 0x5409
#define TARGET_TCXONC 0x540A
#define TARGET_TCFLSH 0x540B
#define TARGET_TIOCEXCL 0x540C
#define TARGET_TIOCNXCL 0x540D
#define TARGET_TIOCSCTTY 0x540E
#define TARGET_TIOCGPGRP 0x540F
#define TARGET_TIOCSPGRP 0x5410
#define TARGET_TIOCOUTQ 0x5411
#define TARGET_TIOCSTI 0x5412
#define TARGET_TIOCGWINSZ 0x5413
#define TARGET_TIOCSWINSZ 0x5414
#define TARGET_TIOCMGET 0x5415
#define TARGET_TIOCMBIS 0x5416
#define TARGET_TIOCMBIC 0x5417
#define TARGET_TIOCMSET 0x5418
#define TARGET_TIOCGSOFTCAR 0x5419
#define TARGET_TIOCSSOFTCAR 0x541A
#define TARGET_FIONREAD 0x541B
#define TARGET_TIOCINQ TARGET_FIONREAD
#define TARGET_TIOCLINUX 0x541C
#define TARGET_TIOCCONS 0x541D
#define TARGET_TIOCGSERIAL 0x541E
#define TARGET_TIOCSSERIAL 0x541F
#define TARGET_TIOCPKT 0x5420
#define TARGET_FIONBIO 0x5421
#define TARGET_TIOCNOTTY 0x5422
#define TARGET_TIOCSETD 0x5423
#define TARGET_TIOCGETD 0x5424
#define TARGET_TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */
#define TARGET_TIOCTTYGSTRUCT 0x5426 /* For debugging only */
#define TARGET_TIOCSBRK 0x5427 /* BSD compatibility */
#define TARGET_TIOCCBRK 0x5428 /* BSD compatibility */
#define TARGET_TIOCGSID 0x5429 /* Return the session ID of FD */
#define TARGET_TIOCGPTN TARGET_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
#define TARGET_TIOCSPTLCK TARGET_IOW('T',0x31, int) /* Lock/unlock Pty */
#define TARGET_FIONCLEX 0x5450 /* these numbers need to be adjusted. */
#define TARGET_FIOCLEX 0x5451
#define TARGET_FIOASYNC 0x5452
#define TARGET_TIOCSERCONFIG 0x5453
#define TARGET_TIOCSERGWILD 0x5454
#define TARGET_TIOCSERSWILD 0x5455
#define TARGET_TIOCGLCKTRMIOS 0x5456
#define TARGET_TIOCSLCKTRMIOS 0x5457
#define TARGET_TIOCSERGSTRUCT 0x5458 /* For debugging only */
#define TARGET_TIOCSERGETLSR 0x5459 /* Get line status register */
#define TARGET_TIOCSERGETMULTI 0x545A /* Get multiport config */
#define TARGET_TIOCSERSETMULTI 0x545B /* Set multiport config */
#define TARGET_TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */
#define TARGET_TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */
#define TARGET_TIOCGHAYESESP 0x545E /* Get Hayes ESP configuration */
#define TARGET_TIOCSHAYESESP 0x545F /* Set Hayes ESP configuration */
/* Used for packet mode */
#define TARGET_TIOCPKT_DATA 0
#define TARGET_TIOCPKT_FLUSHREAD 1
#define TARGET_TIOCPKT_FLUSHWRITE 2
#define TARGET_TIOCPKT_STOP 4
#define TARGET_TIOCPKT_START 8
#define TARGET_TIOCPKT_NOSTOP 16
#define TARGET_TIOCPKT_DOSTOP 32
#define TARGET_TIOCSER_TEMT 0x01 /* Transmitter physically empty */
linux-user/main.c
+121
View File
@@ -1412,6 +1412,98 @@ void cpu_loop (CPUState *env)
}
#endif
#ifdef TARGET_M68K
void cpu_loop(CPUM68KState *env)
{
int trapnr;
unsigned int n;
target_siginfo_t info;
TaskState *ts = env->opaque;
for(;;) {
trapnr = cpu_m68k_exec(env);
switch(trapnr) {
case EXCP_ILLEGAL:
{
if (ts->sim_syscalls) {
uint16_t nr;
nr = lduw(env->pc + 2);
env->pc += 4;
do_m68k_simcall(env, nr);
} else {
goto do_sigill;
}
}
break;
case EXCP_HALTED:
/* Semihosing syscall. */
env->pc += 2;
do_m68k_semihosting(env, env->dregs[0]);
break;
case EXCP_LINEA:
case EXCP_LINEF:
case EXCP_UNSUPPORTED:
do_sigill:
info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = TARGET_ILL_ILLOPN;
info._sifields._sigfault._addr = env->pc;
queue_signal(info.si_signo, &info);
break;
case EXCP_TRAP0:
{
ts->sim_syscalls = 0;
n = env->dregs[0];
env->pc += 2;
env->dregs[0] = do_syscall(env,
n,
env->dregs[1],
env->dregs[2],
env->dregs[3],
env->dregs[4],
env->dregs[5],
env->dregs[6]);
}
break;
case EXCP_INTERRUPT:
/* just indicate that signals should be handled asap */
break;
case EXCP_ACCESS:
{
info.si_signo = SIGSEGV;
info.si_errno = 0;
/* XXX: check env->error_code */
info.si_code = TARGET_SEGV_MAPERR;
info._sifields._sigfault._addr = env->mmu.ar;
queue_signal(info.si_signo, &info);
}
break;
case EXCP_DEBUG:
{
int sig;
sig = gdb_handlesig (env, TARGET_SIGTRAP);
if (sig)
{
info.si_signo = sig;
info.si_errno = 0;
info.si_code = TARGET_TRAP_BRKPT;
queue_signal(info.si_signo, &info);
}
}
break;
default:
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
trapnr);
cpu_dump_state(env, stderr, fprintf, 0);
abort();
}
process_pending_signals(env);
}
}
#endif /* TARGET_M68K */
void usage(void)
{
printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n"
@@ -1685,6 +1777,35 @@ int main(int argc, char **argv)
env->gpr[i] = regs->gpr[i];
}
}
#elif defined(TARGET_M68K)
{
m68k_def_t *def;
def = m68k_find_by_name("cfv4e");
if (def == NULL) {
cpu_abort(cpu_single_env,
"Unable to find m68k CPU definition\n");
}
cpu_m68k_register(cpu_single_env, def);
env->pc = regs->pc;
env->dregs[0] = regs->d0;
env->dregs[1] = regs->d1;
env->dregs[2] = regs->d2;
env->dregs[3] = regs->d3;
env->dregs[4] = regs->d4;
env->dregs[5] = regs->d5;
env->dregs[6] = regs->d6;
env->dregs[7] = regs->d7;
env->aregs[0] = regs->a0;
env->aregs[1] = regs->a1;
env->aregs[2] = regs->a2;
env->aregs[3] = regs->a3;
env->aregs[4] = regs->a4;
env->aregs[5] = regs->a5;
env->aregs[6] = regs->a6;
env->aregs[7] = regs->usp;
env->sr = regs->sr;
ts->sim_syscalls = 1;
}
#elif defined(TARGET_MIPS)
{
int i;
linux-user/mmap.c
+1 -1
View File
@@ -209,7 +209,7 @@ long target_mmap(target_ulong start, target_ulong len, int prot,
last_start += HOST_PAGE_ALIGN(len);
}
#endif
if (qemu_host_page_size != qemu_real_host_page_size) {
if (0 && qemu_host_page_size != qemu_real_host_page_size) {
/* NOTE: this code is only for debugging with '-p' option */
/* ??? Can also occur when TARGET_PAGE_SIZE > host page size. */
/* reserve a memory area */
linux-user/qemu.h
+3
View File
@@ -73,6 +73,9 @@ typedef struct TaskState {
struct target_vm86plus_struct vm86plus;
uint32_t v86flags;
uint32_t v86mask;
#endif
#ifdef TARGET_M68K
int sim_syscalls;
#endif
int used; /* non zero if used */
struct image_info *info;

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