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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2007-02-05 19:47:42 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2007-02-05 19:47:42 +0000
commit263466f53aa70597b48b415a3a49d6f2e4511f77 (patch)
tree4779d604c4c02c69fb57e2dae353a23e84ba465b
parent1e2bed4f7e08f2d1d3191cd03d66067e809659f7 (diff)
downloadqemu-arm-263466f53aa70597b48b415a3a49d6f2e4511f77.tar.gz
This patch cleans up target_mach_msg_trap(), removes unuseful do_pread, begins sysctl implementation and implements fcntl (Pierre d'Herbemont).
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2388 c046a42c-6fe2-441c-8c8c-71466251a162
-rw-r--r--darwin-user/syscall.c348
-rw-r--r--darwin-user/syscalls.h4
2 files changed, 282 insertions, 70 deletions
diff --git a/darwin-user/syscall.c b/darwin-user/syscall.c
index 50725e633f..f2543aa44d 100644
--- a/darwin-user/syscall.c
+++ b/darwin-user/syscall.c
@@ -23,9 +23,10 @@
#include <stdlib.h>
#include <errno.h>
-#include <mach/message.h>
+#include <mach/host_info.h>
#include <mach/mach.h>
#include <mach/mach_time.h>
+#include <mach/message.h>
#include <pthread.h>
#include <dirent.h>
@@ -208,15 +209,14 @@ static inline void print_mach_msg_return(mach_msg_return_t ret)
else
{
for( i = 0; i < sizeof(msg_name)/sizeof(msg_name[0]); i++) {
- if(msg_name[0].code & ret) {
- DPRINTF("%s ", msg_name[0].name);
+ if(msg_name[i].code == ret) {
+ DPRINTF("%s\n", msg_name[i].name);
found = 1;
+ break;
}
}
if(!found)
qerror("unknow mach message ret code %d\n", ret);
- else
- DPRINTF("\n");
}
}
@@ -235,11 +235,10 @@ struct complex_msg {
mach_msg_body_t body;
};
-static inline void * swap_mach_msg_body(struct complex_msg *complex_msg, int bswap)
+static inline void swap_mach_msg_body(struct complex_msg *complex_msg, int bswap)
{
mach_msg_port_descriptor_t *descr = (mach_msg_port_descriptor_t *)(complex_msg+1);
int i,j;
- void *additional_data;
if(bswap == bswap_in)
tswap32s(&complex_msg->body.msgh_descriptor_count);
@@ -292,41 +291,41 @@ static inline void * swap_mach_msg_body(struct complex_msg *complex_msg, int bsw
}
if(bswap == bswap_out)
tswap32s(&complex_msg->body.msgh_descriptor_count);
- additional_data = descr;
- return additional_data;
+}
+
+static inline void swap_mach_msg(mach_msg_header_t *hdr, int bswap)
+{
+ if (bswap == bswap_out && hdr->msgh_bits & MACH_MSGH_BITS_COMPLEX)
+ swap_mach_msg_body((struct complex_msg *)hdr, bswap);
+
+ swap_mach_msg_header(hdr);
+
+ if (bswap == bswap_in && hdr->msgh_bits & MACH_MSGH_BITS_COMPLEX)
+ swap_mach_msg_body((struct complex_msg *)hdr, bswap);
}
static inline uint32_t target_mach_msg_trap(
mach_msg_header_t *hdr, uint32_t options, uint32_t send_size,
- uint32_t rcv_size, uint32_t rcv_name, uint32_t time_out, uint32_t notify )
+ uint32_t rcv_size, uint32_t rcv_name, uint32_t time_out, uint32_t notify)
{
- extern int mach_msg_trap(mach_msg_header_t *, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t);
+ extern int mach_msg_trap(mach_msg_header_t *, mach_msg_option_t,
+ mach_msg_size_t, mach_msg_size_t, mach_port_t,
+ mach_msg_timeout_t, mach_port_t);
mach_msg_audit_trailer_t *trailer;
mach_msg_id_t msg_id;
uint32_t ret = 0;
- char *additional_data;
int i;
- swap_mach_msg_header(hdr);
-
- print_description_msg_header(hdr);
+ swap_mach_msg(hdr, bswap_in);
msg_id = hdr->msgh_id;
- if (hdr->msgh_bits & MACH_MSGH_BITS_COMPLEX)
- additional_data = swap_mach_msg_body((struct complex_msg *)hdr, bswap_in);
- else
- additional_data = (void*)(hdr+1);
+ print_description_msg_header(hdr);
ret = mach_msg_trap(hdr, options, send_size, rcv_size, rcv_name, time_out, notify);
print_mach_msg_return(ret);
- if (hdr->msgh_bits & MACH_MSGH_BITS_COMPLEX)
- additional_data = swap_mach_msg_body((struct complex_msg *)hdr, bswap_out);
- else
- additional_data = (void*)(hdr+1);
-
if( (options & MACH_RCV_MSG) && (REQUESTED_TRAILER_SIZE(options) > 0) )
{
/* XXX: the kernel always return the full trailer with MACH_SEND_MSG, so we should
@@ -368,33 +367,20 @@ static inline uint32_t target_mach_msg_trap(
case 200: /* host_info */
{
mig_reply_error_t *err = (mig_reply_error_t *)hdr;
- struct {
- uint32_t unknow1;
- uint32_t maxcpu;
- uint32_t numcpu;
- uint32_t memsize;
- uint32_t cpu_type;
- uint32_t cpu_subtype;
- } *data = (void *)(err+1);
-
- DPRINTF("maxcpu = 0x%x\n", data->maxcpu);
- DPRINTF("numcpu = 0x%x\n", data->maxcpu);
- DPRINTF("memsize = 0x%x\n", data->memsize);
+ struct host_basic_info *data = (void *)(err+1);
+
+ DPRINTF("maxcpu = 0x%x\n", data->max_cpus);
+ DPRINTF("numcpu = 0x%x\n", data->avail_cpus);
+ DPRINTF("memsize = 0x%x\n", data->memory_size);
#if defined(TARGET_I386)
data->cpu_type = CPU_TYPE_I386;
DPRINTF("cpu_type changed to 0x%x(i386)\n", data->cpu_type);
-#elif defined(TARGET_PPC)
- data->cpu_type = CPU_TYPE_POWERPC;
- DPRINTF("cpu_type changed to 0x%x(ppc)\n", data->cpu_type);
-#else
-# error target not supported
-#endif
-
-#if defined(TARGET_I386)
data->cpu_subtype = CPU_SUBTYPE_PENT;
DPRINTF("cpu_subtype changed to 0x%x(i386_pent)\n", data->cpu_subtype);
#elif defined(TARGET_PPC)
+ data->cpu_type = CPU_TYPE_POWERPC;
+ DPRINTF("cpu_type changed to 0x%x(ppc)\n", data->cpu_type);
data->cpu_subtype = CPU_SUBTYPE_POWERPC_750;
DPRINTF("cpu_subtype changed to 0x%x(ppc_all)\n", data->cpu_subtype);
#else
@@ -413,7 +399,7 @@ static inline uint32_t target_mach_msg_trap(
default: break;
}
- swap_mach_msg_header(hdr);
+ swap_mach_msg(hdr, bswap_out);
return ret;
}
@@ -827,19 +813,29 @@ long do_fstat(uint32_t arg1, struct stat * arg2);
long do_lstat(char * arg1, struct stat * arg2);
long do_getdirentries(uint32_t arg1, void* arg2, uint32_t arg3, void* arg4);
long do_lseek(void *cpu_env, int num);
-long do___sysctl(void * arg1, uint32_t arg2, void * arg3, void * arg4, void * arg5, size_t arg6);
+long do___sysctl(int * name, uint32_t namelen, void * oldp, size_t * oldlenp, void * newp, size_t newlen /* ignored */);
long do_getattrlist(void * arg1, void * arg2, void * arg3, uint32_t arg4, uint32_t arg5);
long do_getdirentriesattr(uint32_t arg1, void * arg2, void * arg3, size_t arg4, void * arg5, void * arg6, void* arg7, uint32_t arg8);
+long do_fcntl(int fd, int cmd, int arg);
long no_syscall(void *cpu_env, int num);
long do_pread(uint32_t arg1, void * arg2, size_t arg3, off_t arg4)
{
- //DPRINTF("0x%x, 0x%x, 0x%x, 0x%llx\n", arg1, arg2, arg3, arg4);
- long ret = (pread(arg1, arg2, arg3, arg4));
- DPRINTF("0x%x\n", *(int*)arg2);
+ DPRINTF("0x%x, %p, 0x%lx, 0x%llx\n", arg1, arg2, arg3, arg4);
+ long ret = pread(arg1, arg2, arg3, arg4);
+ return ret;
+}
+
+long do_read(int d, void *buf, size_t nbytes)
+{
+ DPRINTF("0x%x, %p, 0x%lx\n", d, buf, nbytes);
+ long ret = get_errno(read(d, buf, nbytes));
+ if(!is_error(ret))
+ DPRINTF("%x\n", *(uint32_t*)buf);
return ret;
}
+
long unimpl_unix_syscall(void *cpu_env, int num);
typedef long (*syscall_function_t)(void *cpu_env, int num);
@@ -1199,33 +1195,163 @@ long do_lseek(void *cpu_env, int num)
return get_errno(ret);
}
-long do___sysctl(void * arg1, uint32_t arg2, void * arg3, void * arg4, void * arg5, size_t arg6)
+void no_swap(void * oldp, int size)
+{
+}
+
+void sysctl_tswap32s(void * oldp, int size)
+{
+ tswap32s(oldp);
+}
+
+void bswap_oid(uint32_t * oldp, int size)
+{
+ int count = size / sizeof(int);
+ int i = 0;
+ do { tswap32s(oldp + i); } while (++i < count);
+}
+
+void sysctl_usrstack(uint32_t * oldp, int size)
+{
+ DPRINTF("sysctl_usrstack: 0x%x\n", *oldp);
+ tswap32s(oldp);
+}
+
+void sysctl_ncpu(uint32_t * ncpu, int size)
+{
+ *ncpu = 0x1;
+ DPRINTF("sysctl_ncpu: 0x%x\n", *ncpu);
+ tswap32s(ncpu);
+}
+
+void sysctl_exec(char * exec, int size)
+{
+ DPRINTF("sysctl_exec: %s\n", exec);
+}
+
+void sysctl_translate(char * exec, int size)
+{
+ DPRINTF("sysctl_translate: %s\n", exec);
+}
+
+struct sysctl_dir {
+ int num;
+ const char * name;
+ void (*swap_func)(void *, int);
+ struct sysctl_dir *childs;
+};
+
+#define ENTRYD(num, name, childs) { num, name, NULL, childs }
+#define ENTRYE(num, name, func) { num, name, (void (*)(void *, int))func, NULL }
+struct sysctl_dir sysctls_unspec[] = {
+ ENTRYE(3, "oip", bswap_oid),
+ { 0, NULL, NULL, NULL }
+};
+
+struct sysctl_dir sysctls_kern[] = {
+ ENTRYE(KERN_TRANSLATE, "translate", sysctl_translate), /* 44 */
+ ENTRYE(KERN_EXEC, "exec", sysctl_exec), /* 45 */
+ ENTRYE(KERN_USRSTACK32, "KERN_USRSTACK32", sysctl_usrstack), /* 35 */
+ ENTRYE(KERN_SHREG_PRIVATIZABLE, "KERN_SHREG_PRIVATIZABLE", sysctl_tswap32s), /* 54 */
+ { 0, NULL, NULL, NULL }
+};
+
+struct sysctl_dir sysctls_hw[] = {
+ ENTRYE(HW_NCPU, "ncpud", sysctl_tswap32s),
+ ENTRYE(104, "104", no_swap),
+ ENTRYE(105, "105", no_swap),
+ { 0, NULL, NULL, NULL }
+};
+
+struct sysctl_dir sysctls[] = {
+ ENTRYD(CTL_UNSPEC, "unspec", sysctls_unspec),
+ ENTRYD(CTL_KERN, "kern", sysctls_kern),
+ ENTRYD(CTL_HW, "hw", sysctls_hw ),
+ { 0, NULL, NULL, NULL }
+};
+
+#undef ENTRYE
+#undef ENTRYD
+
+static inline struct sysctl_dir * get_sysctl_entry_for_mib(int mib, struct sysctl_dir * sysctl_elmt)
+{
+ if(!sysctl_elmt)
+ return NULL;
+ for(; sysctl_elmt->name != NULL ; sysctl_elmt++) {
+ if(sysctl_elmt->num == mib)
+ return sysctl_elmt;
+ }
+ return NULL;
+}
+
+static inline long bswap_syctl(int * mib, int count, void *buf, int size)
+{
+ int i;
+ struct sysctl_dir * sysctl = sysctls;
+ struct sysctl_dir * ret = NULL;
+
+ for(i = 0; i < count; i++) {
+
+ if(!(ret = sysctl = get_sysctl_entry_for_mib(mib[i], sysctl))) {
+ gemu_log("bswap_syctl: can't find mib %d\n", mib[i]);
+ return -ENOTDIR;
+ }
+ if(!(sysctl = sysctl->childs))
+ break;
+ }
+
+ if(ret->childs)
+ qerror("we shouldn't have a directory element\n");
+
+ ret->swap_func(buf, size);
+ return 0;
+}
+
+static inline void print_syctl(int * mib, int count)
+{
+ int i;
+ struct sysctl_dir * sysctl = sysctls;
+ struct sysctl_dir * ret = NULL;
+
+ for(i = 0; i < count; i++) {
+ if(!(ret = sysctl = get_sysctl_entry_for_mib(mib[i], sysctl))){
+ gemu_log("print_syctl: can't find mib %d\n", mib[i]);
+ return;
+ }
+ DPRINTF("%s.", sysctl->name);
+ if(!(sysctl = sysctl->childs))
+ break;
+ }
+ DPRINTF("\n");
+}
+
+long do___sysctl(int * name, uint32_t namelen, void * oldp, size_t * oldlenp, void * newp, size_t newlen /* ignored */)
{
long ret = 0;
int i;
DPRINTF("sysctl(%p, 0x%x, %p, %p, %p, 0x%lx)\n",
- arg1, arg2, arg3, arg4, arg5, arg6);
- if(arg1) {
+ name, namelen, oldp, oldlenp, newp, newlen);
+ if(name) {
i = 0;
- do { *((int *) arg1 + i) = tswap32(*((int *) arg1 + i)); } while (++i < arg2);
+ do { tswap32s( name + i); } while (++i < namelen);
+ print_syctl(name, namelen);
+ //bswap_syctl(name, namelen, newp, newlen);
+ tswap32s((uint32_t*)oldlenp);
}
+
+ if(name) /* Sometimes sysctl is called with no arg1, ignore */
+ ret = get_errno(sysctl(name, namelen, oldp, oldlenp, newp, newlen));
- if(arg4)
- *(int *) arg4 = tswap32(*(int *) arg4);
- if(arg1)
- ret = get_errno(sysctl((void *)arg1, arg2, (void *)arg3, (void *)arg4, (void *)arg5, arg6));
-
- if ((ret == 0) && (arg2 == 2) && (*((int *) arg1) == 0) && (*((int *) arg1 + 1) == 3)) {
- /* The output here is the new id - we need to swap it so it can be passed
- back in (and then unswapped) */
- int count = (*(int *) arg4) / sizeof(int);
- i = 0;
- do {
- *((int *) arg3 + i) = tswap32(*((int *) arg3 + i));
- } while (++i < count);
+ if (!is_error(ret) && bswap_syctl(name, namelen, oldp, *oldlenp) != 0) {
+ return -ENOTDIR;
}
- *(int *) arg4 = tswap32(*(int *) arg4);
+ if(name) {
+ //bswap_syctl(name, namelen, newp, newlen);
+ tswap32s((uint32_t*)oldlenp);
+ i = 0;
+ do { tswap32s( name + i); } while (++i < namelen);
+ }
return ret;
}
@@ -1235,7 +1361,8 @@ long do_getattrlist(void * arg1, void * arg2, void * arg3, uint32_t arg4, uint32
long ret;
#if defined(TARGET_I386) ^ defined(__i386__) || defined(TARGET_PPC) ^ defined(__ppc__)
- qerror("SYS_getdirentriesattr unimplemented\n");
+ gemu_log("SYS_getdirentriesattr unimplemented\n");
+ return -ENOTSUP;
#endif
/* XXX: don't let the %s stay in there */
DPRINTF("getattrlist(%s, %p, %p, 0x%x, 0x%x)\n",
@@ -1268,6 +1395,91 @@ long do_getdirentriesattr(uint32_t arg1, void * arg2, void * arg3, size_t arg4,
(unsigned long *)arg7, arg8));
}
+static inline void bswap_flock(struct flock *f)
+{
+ tswap64s(&f->l_start);
+ tswap64s(&f->l_len);
+ tswap32s(&f->l_pid);
+ tswap16s(&f->l_type);
+ tswap16s(&f->l_whence);
+}
+
+static inline void bswap_fstore(struct fstore *f)
+{
+ tswap32s(&f->fst_flags);
+ tswap32s(&f->fst_posmode);
+ tswap64s(&f->fst_offset);
+ tswap64s(&f->fst_length);
+ tswap64s(&f->fst_bytesalloc);
+}
+
+static inline void bswap_radvisory(struct radvisory *f)
+{
+ tswap64s(&f->ra_offset);
+ tswap32s(&f->ra_count);
+}
+
+static inline void bswap_fbootstraptransfer(struct fbootstraptransfer *f)
+{
+ tswap64s(&f->fbt_offset);
+ tswap32s((uint32_t*)&f->fbt_length);
+ tswap32s((uint32_t*)&f->fbt_buffer); /* XXX: this is a ptr */
+}
+
+static inline void bswap_log2phys(struct log2phys *f)
+{
+ tswap32s(&f->l2p_flags);
+ tswap64s(&f->l2p_contigbytes);
+ tswap64s(&f->l2p_devoffset);
+}
+
+static inline void bswap_fcntl_arg(int cmd, void * arg)
+{
+ switch(cmd)
+ {
+ case F_DUPFD:
+ case F_GETFD:
+ case F_SETFD:
+ case F_GETFL:
+ case F_SETFL:
+ case F_GETOWN:
+ case F_SETOWN:
+ case F_SETSIZE:
+ case F_RDAHEAD:
+ case F_FULLFSYNC:
+ break;
+ case F_GETLK:
+ case F_SETLK:
+ case F_SETLKW:
+ bswap_flock(arg);
+ break;
+ case F_PREALLOCATE:
+ bswap_fstore(arg);
+ break;
+ case F_RDADVISE:
+ bswap_radvisory(arg);
+ break;
+ case F_READBOOTSTRAP:
+ case F_WRITEBOOTSTRAP:
+ bswap_fbootstraptransfer(arg);
+ break;
+ case F_LOG2PHYS:
+ bswap_log2phys(arg);
+ break;
+ default:
+ gemu_log("unknow cmd in fcntl\n");
+ }
+}
+
+long do_fcntl(int fd, int cmd, int arg)
+{
+ long ret;
+ bswap_fcntl_arg(cmd, (void *)arg);
+ ret = get_errno(fcntl(fd, cmd, arg));
+ if(!is_error(ret))
+ bswap_fcntl_arg(cmd, (void *)arg);
+ return ret;
+}
long no_syscall(void *cpu_env, int num)
{
diff --git a/darwin-user/syscalls.h b/darwin-user/syscalls.h
index d04295bed3..7c361ce597 100644
--- a/darwin-user/syscalls.h
+++ b/darwin-user/syscalls.h
@@ -3,7 +3,7 @@
ENTRY("syscall", SYS_syscall, do_unix_syscall_indirect, 0, CALL_INDIRECT, VOID) /* 0 indirect syscall */
ENTRY("exit", SYS_exit, do_exit, 1, CALL_DIRECT, INT) /* 1 */
ENTRY("fork", SYS_fork, fork, 0, CALL_NOERRNO, VOID) /* 2 */
- ENTRY("read", SYS_read, read, 3, CALL_DIRECT, INT, PTR, SIZE) /* 3 */
+ ENTRY("read", SYS_read, do_read, 3, CALL_DIRECT, INT, PTR, SIZE) /* 3 */
ENTRY("write", SYS_write, write, 3, CALL_DIRECT, INT, PTR, SIZE) /* 4 */
ENTRY("open", SYS_open, do_open, 3, CALL_DIRECT, PTR, INT, INT) /* 5 */
ENTRY("close", SYS_close, close, 1, CALL_DIRECT, INT) /* 6 */
@@ -92,7 +92,7 @@
ENTRY("getdtablesize", SYS_getdtablesize, getdtablesize, 0, CALL_DIRECT, VOID) /* 89 */
ENTRY("dup2", SYS_dup2, dup2, 2, CALL_DIRECT, INT, INT) /* 90 */
ENTRY("", 91, no_syscall, 0, CALL_INDIRECT, VOID) /* 91 old getdopt */
- ENTRY("fcntl", SYS_fcntl, fcntl, 3, CALL_DIRECT, INT, INT, INT) /* 92 */
+ ENTRY("fcntl", SYS_fcntl, do_fcntl, 3, CALL_DIRECT, INT, INT, INT) /* 92 */
ENTRY("select", SYS_select, select, 5, CALL_DIRECT, INT, PTR, PTR, PTR, PTR) /* 93 */
ENTRY("", 94, no_syscall, 0, CALL_INDIRECT, VOID) /* 94 old setdopt */
ENTRY("fsync", SYS_fsync, fsync, 1, CALL_DIRECT, INT) /* 95 */