int fclose(FILE *f) {
long errorCode = sysfile_close(f);
if (errorCode != 0) {
post("sysfile_close error %d - aren't you glad you asked?", errorCode);
}
return errorCode;
}
static bool checkCrc32(const unsigned id)
{
int bytesRead;
U8 tempBuffer[1024];
U32 expectedCrc32, calculatedCrc32 = MZ_CRC32_INIT;
file_t fp = sysfile_open(resourceFiles[id]);
if (fp == NULL)
{
sys_error("(resources) unable to open \"%s\"", resourceFiles[id]);
return false;
}
bytesRead = sysfile_read(fp, tempBuffer, sizeof(U32), 1); /* prepare beginning of buffer for the following loop */
if (bytesRead != 1)
{
sys_error("(resources) not enough data for \"%s\"", resourceFiles[id]);
sysfile_close(fp);
return false;
}
do
{
bytesRead = sysfile_read(fp, tempBuffer + sizeof(U32), sizeof(U8), sizeof(tempBuffer) - sizeof(U32));
calculatedCrc32 = mz_crc32(calculatedCrc32, tempBuffer, bytesRead);
memcpy(tempBuffer, tempBuffer + bytesRead, sizeof(U32));
} while (bytesRead == sizeof(tempBuffer) - sizeof(U32));
sysfile_close(fp);
memcpy(&expectedCrc32, tempBuffer, sizeof(U32));
expectedCrc32 = letoh32(expectedCrc32);
if (expectedCrc32 != calculatedCrc32)
{
sys_error("(resources) crc check failed for \"%s\"", resourceFiles[id]);
return false;
}
return true;
}
long jsusfx_edsave(t_jsusfx *x, char **ht, long size) {
t_filehandle fh_write;
if ( path_opensysfile(x->scriptname, x->path, &fh_write, WRITE_PERM) ) {
error("jsusfx~: unable to save script file");
return 1;
}
sysfile_writetextfile(fh_write, ht, TEXT_LB_NATIVE);
sysfile_close(fh_write);
jsusfx_compile(x, NULL, 0, NULL);
return 0;
}
void filein_close(t_filein *x)
{
if (x->f_open) {
sysfile_close(x->f_fh);
x->f_fh = 0;
x->f_open = FALSE;
}
if (x->f_data) {
sysmem_lockhandle((t_handle)x->f_data,0);
sysmem_freehandle((t_handle)x->f_data);
x->f_data = 0;
}
}
int lua_importfile(lua_State *L)
{
const char *filename;
long outtype;
short file_volume, err;
if(!lua_isstring(L, 1))
luaL_error(L, "argument 1 for outlet must be a string");
filename = lua_tostring(L, 1);
err = locatefile_extended(filename, &file_volume, &outtype, 0, 0);
if(err) {
error("jit.gl.lua: can't find file %s", filename);
}
else {
// read file from disk
long count;
char **texthandle;
t_filehandle fh;
err = path_opensysfile(filename, file_volume, &fh, READ_PERM);
if (err) {
error("jit.gl.lua: %s: error %d opening file", filename, err);
return 0;
}
texthandle = sysmem_newhandle(0);
sysfile_readtextfile(fh, texthandle, 0, TEXT_LB_NATIVE);
sysfile_close(fh);
count = sysmem_handlesize(texthandle);
sysmem_resizehandle(texthandle, count + 1);
(*texthandle)[count] = 0; //NULL terminate, '\0'?
//run file in Lua
err = luaL_loadstring(L, *texthandle);
err = lua_pcall(L, 0, LUA_MULTRET, 0);
if (err) {
post("lua pcall error %s", lua_tostring(L, -1));
lua_pop(L, 1);
}
sysmem_lockhandle(texthandle, false);
sysmem_freehandle(texthandle);
}
return 0;
}
void filein_open(t_filein *x, char *name)
{
long size;
if (x->f_spool)
x->f_open = TRUE;
else {
sysfile_geteof(x->f_fh,&size);
if (!(x->f_data = (Byte **)sysmem_newhandle(size)))
object_error((t_object *)x, "%s too big to read",name);
else {
sysmem_lockhandle((t_handle)x->f_data,1);
sysfile_read(x->f_fh,&size,*x->f_data);
x->f_size = size;
}
sysfile_close(x->f_fh);
}
x->f_spool = FALSE;
}
void jsusfx_dblclick(t_jsusfx *x) {
if (!x->m_editor) {
t_filehandle fh_read;
if ( path_opensysfile(x->scriptname, x->path, &fh_read, READ_PERM) ) {
error("jsusfx~: unable to script file");
return;
}
t_handle texthandle;
texthandle = sysmem_newhandle(0);
sysfile_readtextfile(fh_read, texthandle, 0, TEXT_NULL_TERMINATE);
x->m_editor = reinterpret_cast<t_object *>(object_new(CLASS_NOBOX, gensym("jed"), (t_object *)x, 0));
object_attr_setchar(x->m_editor, gensym("scratch"), 1);
object_method(x->m_editor, gensym("settext"), *texthandle, gensym("utf-8"));
object_method(x->m_editor, gensym("filename"), x->scriptname, x->path);
sysmem_freehandle(texthandle);
sysfile_close(fh_read);
} else {
object_attr_setchar(x->m_editor, gensym("visible"), 1);
}
}
void filecontainer_doopen(t_filecontainer *x, t_symbol *arg)
{
t_atom a[4];
int err = 0;
char filename[256];
short path;
t_fourcc outtype = 0;
t_fourcc type = 'cO0p';
#ifdef MAC_VERSION
char *temppath;
FSRef ref;
Boolean isDir;
FSCatalogInfo catalogInfo;
#else // WIN_VERSION
char temppath[512];
#endif
char fullpath[512];
t_object *result = NULL;
t_object *result2 = NULL;
char **record = NULL; // sqlite records
char **record2 = NULL; // sqlite records
t_filehandle file_handle;
t_ptr_size len = 0;
char *blob;
char sql[512];
if(!arg || !arg->s_name[0]) {
if(open_dialog(filename, &path, &outtype, NULL, -1)) // Returns 0 if successful
return;
}
else {
t_fourcc typelist[1];
typelist[0] = 'cO0p';
strcpy(filename, arg->s_name);
path = 0;
locatefile_extended(filename, &path, &type, typelist, 0);
}
path_topotentialname(path, filename, fullpath, 0);
#ifdef MAC_VERSION
temppath = strchr(fullpath, ':');
temppath += 1;
#else // WIN_VERSION
path_nameconform(fullpath, temppath, PATH_STYLE_NATIVE_WIN, PATH_TYPE_ABSOLUTE);
#endif
x->name = gensym(temppath);
// Create our temp folder for extracted files
filecontainer_gettemppath(x);
// Create the SQLite instance
atom_setsym(&a[0], gensym("@rambased"));
atom_setlong(&a[1], 0);
atom_setsym(&a[2], gensym("@db"));
atom_setsym(&a[3], x->name);
x->sqlite = object_new_typed(CLASS_NOBOX, _sym_sqlite, 4, a);
// Operate on the open DB
if(x->sqlite) {
object_method(x->sqlite, ps_starttransaction);
object_method(x->sqlite, _sym_execstring, TABLEDEF_FILES, NULL);
object_method(x->sqlite, _sym_execstring, TABLEDEF_ATTRS, NULL);
object_method(x->sqlite, _sym_execstring, "UPDATE files SET valid = 1", NULL);
object_method(x->sqlite, _sym_execstring, "SELECT file_id, filename, moddate FROM files", &result);
while(record = (char **)object_method(result, _sym_nextrecord)) {
// Here we check for the optional 'platform' attr for this file.
// If a flag exists for the other platform, but not for the current platform, then we ignore this file.
#ifdef MAC_VERSION
sprintf(sql, "SELECT file_id_ext FROM attrs \
WHERE attr_name = 'platform' AND attr_value = 'windows' AND file_id_ext = %s ", record[0]);
object_method(x->sqlite, _sym_execstring, sql, &result2);
record2 = (char **)object_method(result2, _sym_nextrecord);
if(record2) {
sprintf(sql, "SELECT file_id_ext FROM attrs \
WHERE attr_name = 'platform' AND attr_value = 'mac' AND file_id_ext = %s ", record[0]);
object_method(x->sqlite, _sym_execstring, sql, &result2);
record2 = (char **)object_method(result2, _sym_nextrecord);
if(!record2) {
sprintf(sql, "UPDATE files SET valid = 0 WHERE file_id = %s ", record[0]);
object_method(x->sqlite, _sym_execstring, sql, NULL);
continue;
}
}
#else // WIN_VERSION
snprintf(sql, 512, "SELECT file_id_ext FROM attrs \
WHERE attr_name = 'platform' AND attr_value = 'mac' AND file_id_ext = %s ", record[0]);
object_method(x->sqlite, _sym_execstring, sql, &result2);
record2 = (char **)object_method(result2, _sym_nextrecord);
if(record2) {
snprintf(sql, 512, "SELECT file_id_ext FROM attrs \
WHERE attr_name = 'platform' AND attr_value = 'windows' AND file_id_ext = %s ", record[0]);
object_method(x->sqlite, _sym_execstring, sql, &result2);
record2 = (char **)object_method(result2, _sym_nextrecord);
if(!record2) {
snprintf(sql, 512, "UPDATE files SET valid = 0 WHERE file_id = %s ", record[0]);
object_method(x->sqlite, _sym_execstring, sql, NULL);
continue;
}
}
#endif
// At this point we have a file (record[0]), and we have determined that it is indeed a file we want to cache
// So cache it to a new file in our temp path
err = path_createsysfile(record[1], x->temp_path, type, &file_handle);
if(err) { // Handle any errors that occur
object_error((t_object *)x, "%s - error %d creating file", filename, err);
}
else {
snprintf(sql, 512, "SELECT content FROM files WHERE file_id = %s", record[0]);
object_method(x->sqlite, ps_getblob, sql, &blob, &len);
err = sysfile_write(file_handle, &len, blob);
if(err) {
object_error((t_object *)x, "sysfile_write error (%d)", err);
}
}
err = sysfile_seteof(file_handle, len);
if(err) {
object_error((t_object *)x, "%s - error %d setting EOF", filename, err);
}
sysfile_close(file_handle); // close file reference
sysmem_freeptr(blob);
blob = NULL;
// Set the moddate
#ifdef MAC_VERSION
// FSCatalogInfo catalogInfo;
// Boolean status;
CFGregorianDate gdate;
CFAbsoluteTime abstime;
CFTimeZoneRef tz;
UTCDateTime utc;
sscanf(record[2], "%4ld-%02hd-%02hd %02hd:%02hd:%02lf", &gdate.year, (signed short*)&gdate.month, (signed short*)&gdate.day,
(signed short*)&gdate.hour, (signed short*)&gdate.minute, &gdate.second);
tz = CFTimeZoneCopySystem();
abstime = CFGregorianDateGetAbsoluteTime(gdate, tz);
UCConvertCFAbsoluteTimeToUTCDateTime(abstime, &utc);
catalogInfo.contentModDate = utc;
strcpy(s_tempstr, x->temp_fullpath->s_name);
temppath = strchr(s_tempstr, ':');
temppath++;
strcat(temppath, "/");
strcat(temppath, record[1]);
FSPathMakeRef((UInt8*)temppath, &ref, &isDir);
err = FSSetCatalogInfo(&ref, kFSCatInfoContentMod, &catalogInfo);
#else // WIN_VERSION
char winpath[512];
HANDLE hFile;
FILETIME fileTime;
SYSTEMTIME systemTime;
sscanf(record[2], "%4lu-%02lu-%02lu %02lu:%02lu:%02lu", &systemTime.wYear, &systemTime.wMonth, &systemTime.wDay,
&systemTime.wHour, &systemTime.wMinute, &systemTime.wSecond);
err = SystemTimeToFileTime(&systemTime, &fileTime);
strcpy(s_tempstr, x->temp_fullpath->s_name);
path_nameconform(s_tempstr, winpath, PATH_STYLE_NATIVE_WIN, PATH_TYPE_ABSOLUTE);
strcat(winpath, "\\");
strcat(winpath, record[1]);
hFile = CreateFile((LPCSTR)winpath , GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
if(hFile == INVALID_HANDLE_VALUE) {
object_error((t_object *)x, "invalid handle value");
goto out;
}
err = SetFileTime(hFile, &fileTime, &fileTime, &fileTime);
if(err == 0) {
err = GetLastError();
object_error((t_object *)x, "Error setting date: %i", err);
}
CloseHandle(hFile);
out:
;
#endif
}
object_method(x->sqlite, ps_endtransaction);
}
static uint32_t sys_close(uint32_t arg[])
{
int fd = (int)arg[0];
return sysfile_close(fd);
}
void *jsusfx_new(t_symbol *notused, long argc, t_atom *argv) {
if ( argc < 1 || atom_gettype(argv) != A_SYM ) {
error("jsusfx~: missing script name");
return NULL;
}
t_jsusfx *x = reinterpret_cast<t_jsusfx *>(object_alloc(jsusfx_class));
t_symbol *s = atom_getsym(argv);
t_fourcc filetype = 'TEXT', outtype;
short path;
char filename[MAX_PATH_CHARS];
strcpy(filename, s->s_name);
if (locatefile_extended(filename, &path, &outtype, &filetype, 1)) {
t_object *mypatcher;
object_obex_lookup(x, gensym("#P"), &mypatcher);
t_symbol *checkExists = object_attr_getsym(mypatcher, gensym("filepath"));
if ( checkExists->s_name[0] == 0 ) {
error("jsusfx~: patch needs to be saved in order to create new jsusfx script file");
return NULL;
}
path = path_getdefault();
t_fourcc type = 'TEXT';
t_filehandle ref;
if ( path_createsysfile(filename, path, type, &ref) ) {
error("jsusfx~: unable to create file");
return NULL;
}
char initText[] = "@sample\nspl0=1\nspl1=-1\n";
t_handle h = sysmem_newhandle(0);
sysmem_ptrandhand(initText,h,strlen(initText));
if ( sysfile_writetextfile(ref, h, TEXT_LB_NATIVE) ) {
error("jsusfx~: unable to write file");
return NULL;
}
sysfile_close(ref);
sysmem_freehandle(h);
}
strcpy(x->scriptname, filename);
x->path = path;
char fullpath[MAX_PATH_CHARS];
path_toabsolutesystempath(path, filename, fullpath);
std::ifstream is(fullpath);
if ( ! is.is_open() ) {
error("jsusfx~: error opening file %s", fullpath);
return NULL;
}
x->bypass = false;
dsp_setup((t_pxobject *)x, 2);
x->outlet1 = outlet_new((t_object *)x, NULL);
outlet_new((t_object *)x, "signal");
outlet_new((t_object *)x, "signal");
critical_new(&(x->critical));
x->m_editor = NULL;
JsusFxMax *fx = new JsusFxMax();
fx->compile(is);
x->fx = fx;
/*if ( argc >= 2 && atom_gettype(argv+1) == A_LONG ) {
x->fx->normalizeSliders = atom_getlong(argv+1);
} else {
x->fx->normalizeSliders = 1;
}
post("normalizer sl %x", x->fx->normalizeSliders);*/
return (x);
}
static int
load_icode(int fd, int argc, char **kargv, int envc, char **kenvp) {
assert(argc >= 0 && argc <= EXEC_MAX_ARG_NUM);
assert(envc >= 0 && envc <= EXEC_MAX_ENV_NUM);
if (current->mm != NULL) {
panic("load_icode: current->mm must be empty.\n");
}
int ret = -E_NO_MEM;
struct mm_struct *mm;
if ((mm = mm_create()) == NULL) {
goto bad_mm;
}
if (setup_pgdir(mm) != 0) {
goto bad_pgdir_cleanup_mm;
}
mm->brk_start = 0;
struct Page *page;
struct elfhdr __elf, *elf = &__elf;
if ((ret = load_icode_read(fd, elf, sizeof(struct elfhdr), 0)) != 0) {
goto bad_elf_cleanup_pgdir;
}
if (elf->e_magic != ELF_MAGIC) {
ret = -E_INVAL_ELF;
goto bad_elf_cleanup_pgdir;
}
struct proghdr __ph, *ph = &__ph;
uint32_t vm_flags, phnum;
pte_perm_t perm = 0;
for (phnum = 0; phnum < elf->e_phnum; phnum ++) {
off_t phoff = elf->e_phoff + sizeof(struct proghdr) * phnum;
if ((ret = load_icode_read(fd, ph, sizeof(struct proghdr), phoff)) != 0) {
goto bad_cleanup_mmap;
}
if (ph->p_type != ELF_PT_LOAD) {
continue ;
}
if (ph->p_filesz > ph->p_memsz) {
ret = -E_INVAL_ELF;
goto bad_cleanup_mmap;
}
vm_flags = 0;
ptep_set_u_read(&perm);
if (ph->p_flags & ELF_PF_X) vm_flags |= VM_EXEC;
if (ph->p_flags & ELF_PF_W) vm_flags |= VM_WRITE;
if (ph->p_flags & ELF_PF_R) vm_flags |= VM_READ;
if (vm_flags & VM_WRITE) ptep_set_u_write(&perm);
if ((ret = mm_map(mm, ph->p_va, ph->p_memsz, vm_flags, NULL)) != 0) {
goto bad_cleanup_mmap;
}
if (mm->brk_start < ph->p_va + ph->p_memsz) {
mm->brk_start = ph->p_va + ph->p_memsz;
}
off_t offset = ph->p_offset;
size_t off, size;
uintptr_t start = ph->p_va, end, la = ROUNDDOWN(start, PGSIZE);
end = ph->p_va + ph->p_filesz;
while (start < end) {
if ((page = pgdir_alloc_page(mm->pgdir, la, perm)) == NULL) {
ret = -E_NO_MEM;
goto bad_cleanup_mmap;
}
off = start - la, size = PGSIZE - off, la += PGSIZE;
if (end < la) {
size -= la - end;
}
if ((ret = load_icode_read(fd, page2kva(page) + off, size, offset)) != 0) {
goto bad_cleanup_mmap;
}
start += size, offset += size;
}
end = ph->p_va + ph->p_memsz;
if (start < la) {
/* ph->p_memsz == ph->p_filesz */
if (start == end) {
continue ;
}
off = start + PGSIZE - la, size = PGSIZE - off;
if (end < la) {
size -= la - end;
}
memset(page2kva(page) + off, 0, size);
start += size;
assert((end < la && start == end) || (end >= la && start == la));
}
while (start < end) {
if ((page = pgdir_alloc_page(mm->pgdir, la, perm)) == NULL) {
ret = -E_NO_MEM;
goto bad_cleanup_mmap;
}
off = start - la, size = PGSIZE - off, la += PGSIZE;
if (end < la) {
size -= la - end;
}
memset(page2kva(page) + off, 0, size);
start += size;
}
}
sysfile_close(fd);
mm->brk_start = mm->brk = ROUNDUP(mm->brk_start, PGSIZE);
/* setup user stack */
vm_flags = VM_READ | VM_WRITE | VM_STACK;
if ((ret = mm_map(mm, USTACKTOP - USTACKSIZE, USTACKSIZE, vm_flags, NULL)) != 0) {
goto bad_cleanup_mmap;
}
bool intr_flag;
local_intr_save(intr_flag);
{
list_add(&(proc_mm_list), &(mm->proc_mm_link));
}
local_intr_restore(intr_flag);
mm_count_inc(mm);
current->mm = mm;
set_pgdir(current, mm->pgdir);
mm->lapic = pls_read(lapic_id);
mp_set_mm_pagetable(mm);
if (init_new_context (current, elf, argc, kargv, envc, kenvp) < 0)
goto bad_cleanup_mmap;
ret = 0;
out:
return ret;
bad_cleanup_mmap:
exit_mmap(mm);
bad_elf_cleanup_pgdir:
put_pgdir(mm);
bad_pgdir_cleanup_mm:
mm_destroy(mm);
bad_mm:
goto out;
}
static bool readFile(const unsigned id)
{
bool success;
file_t fp;
void * vp;
switch (id)
{
#ifndef GFXST
case Resource_PICHAF: /* fallthrough */
case Resource_PICCONGRATS: /* fallthrough */
case Resource_PICSPLASH: return true;
#endif /* ndef GFXST */
#ifndef GFXPC
case Resource_IMAINHOFT: /* fallthrough */
case Resource_IMAINRDT: /* fallthrough */
case Resource_IMAINCDC: /* fallthrough */
case Resource_SCREENCONGRATS: return true;
#endif /* ndef GFXPC */
default: break;
}
if (resourceFiles[id] == NULL)
{
sys_error("(resources) resource ID %d not available", id);
return false;
}
if (!checkCrc32(id))
{
return false;
}
fp = sysfile_open(resourceFiles[id]);
if (fp == NULL)
{
sys_error("(resources) unable to open \"%s\"", resourceFiles[id]);
return false;
}
success = readHeader(fp, id);
if (success)
{
switch (id)
{
case Resource_FILELIST: success = loadResourceFilelist(fp); break;
case Resource_PALETTE:
{
vp = game_colors;
success = loadRawData(fp, &vp, sizeof(*game_colors), &game_color_count);
game_colors = vp;
break;
}
case Resource_ENTDATA: success = loadResourceEntdata(fp); break;
case Resource_SPRSEQ:
{
vp = ent_sprseq;
success = loadRawData(fp, &vp, sizeof(*ent_sprseq), &ent_nbr_sprseq);
ent_sprseq = vp;
break;
}
case Resource_MVSTEP:
{
vp = ent_mvstep;
success = loadRawData(fp, &vp, sizeof(*ent_mvstep), &ent_nbr_mvstep);
ent_mvstep = vp;
break;
}
case Resource_MAPS: success = loadResourceMaps(fp); break;
case Resource_SUBMAPS: success = loadResourceSubmaps(fp); break;
case Resource_CONNECT:
{
vp = map_connect;
success = loadRawData(fp, &vp, sizeof(*map_connect), &map_nbr_connect);
map_connect = vp;
break;
}
case Resource_BNUMS:
{
vp = map_bnums;
success = loadRawData(fp, &vp, sizeof(*map_bnums), &map_nbr_bnums);
map_bnums = vp;
break;
}
case Resource_BLOCKS:
{
vp = map_blocks;
success = loadRawData(fp, &vp, sizeof(*map_blocks), &map_nbr_blocks);
map_blocks = vp;
break;
}
case Resource_MARKS:
{
vp = map_marks;
success = loadRawData(fp, &vp, sizeof(*map_marks), &map_nbr_marks);
map_marks = vp;
break;
}
case Resource_EFLGC:
{
vp = map_eflg_c;
success = loadRawData(fp, &vp, sizeof(*map_eflg_c), &map_nbr_eflgc);
map_eflg_c = vp;
break;
}
case Resource_IMAPSL:
{
vp = screen_imapsl;
success = loadRawData(fp, &vp, sizeof(*screen_imapsl), &screen_nbr_imapsl);
screen_imapsl = vp;
break;
}
case Resource_IMAPSTEPS: success = loadResourceImapsteps(fp); break;
case Resource_IMAPSOFS:
{
vp = screen_imapsofs;
success = loadRawData(fp, &vp, sizeof(*screen_imapsofs), &screen_nbr_imapsofs);
screen_imapsofs = vp;
break;
}
case Resource_IMAPTEXT: success = loadResourceImaptext(fp); break;
case Resource_GAMEOVERTXT: success = loadString(fp, (char **)(&screen_gameovertxt), 0xFE); break;
case Resource_PAUSEDTXT: success = loadString(fp, (char **)(&screen_pausedtxt), 0xFE); break;
case Resource_SPRITESDATA: success = loadResourceSpritesData(fp); break;
case Resource_TILESDATA: success = loadResourceTilesData(fp); break;
case Resource_HIGHSCORES: success = loadResourceHighScores(fp); break;
case Resource_IMGSPLASH: success = loadImage(fp, &img_splash); break;
#ifdef GFXST
case Resource_PICHAF: success = loadPicture(fp, &pic_haf); break;
case Resource_PICCONGRATS: success = loadPicture(fp, &pic_congrats); break;
case Resource_PICSPLASH: success = loadPicture(fp, &pic_splash); break;
#endif /* GFXST */
#ifdef GFXPC
case Resource_IMAINHOFT: success = loadString(fp, (char **)(&screen_imainhoft), 0xFE); break;
case Resource_IMAINRDT: success = loadString(fp, (char **)(&screen_imainrdt), 0xFE); break;
case Resource_IMAINCDC: success = loadString(fp, (char **)(&screen_imaincdc), 0xFE); break;
case Resource_SCREENCONGRATS: success = loadString(fp, (char **)(&screen_congrats), 0xFE); break;
#endif /* GFXPC */
default: success = false; break;
}
}
if (!success)
{
sys_error("(resources) error when parsing \"%s\"", resourceFiles[id]);
}
sysfile_close(fp);
return success;
}
static bool loadSound(const unsigned id)
{
sound_t ** sound;
file_t fp;
wave_header_t header;
U16 u16Temp;
U32 u32Temp;
int bytesRead;
bool isHeaderValid;
if (!fromResourceIdToSound(id, &sound))
{
return false;
}
*sound = sysmem_push(sizeof(**sound));
if (!*sound)
{
return false;
}
(*sound)->buf = NULL;
(*sound)->dispose = true; /* sounds are "fire and forget" by default */
(*sound)->name = u_strdup(resourceFiles[id]);
if (!(*sound)->name)
{
return false;
}
fp = sysfile_open(resourceFiles[id]);
if (!fp)
{
sys_error("(resources) unable to open \"%s\"", resourceFiles[id]);
return false;
}
bytesRead = sysfile_read(fp, &header, sizeof(header), 1);
sysfile_close(fp);
if (bytesRead != 1)
{
sys_error("(resources) unable to read WAVE header from \"%s\"", resourceFiles[id]);
return false;
}
isHeaderValid = false;
for (;;)
{
if (memcmp(header.riffChunkId, "RIFF", 4) ||
memcmp(header.riffType, "WAVE", 4) ||
memcmp(header.formatChunkId, "fmt ", 4) ||
memcmp(header.dataChunkId, "data", 4))
{
break;
}
memcpy(&u16Temp, header.audioFormat, sizeof(u16Temp));
if (letoh16(u16Temp) != Wave_AUDIO_FORMAT)
{
break;
}
memcpy(&u16Temp, header.channelCount, sizeof(u16Temp));
if (letoh16(u16Temp) != Wave_CHANNEL_COUNT)
{
break;
}
memcpy(&u32Temp, header.sampleRate, sizeof(u32Temp));
if (letoh32(u32Temp) != Wave_SAMPLE_RATE)
{
isHeaderValid = false;
break;
}
memcpy(&u16Temp, header.bitsPerSample, sizeof(u16Temp));
if (letoh16(u16Temp) != Wave_BITS_PER_SAMPLE)
{
isHeaderValid = false;
break;
}
memcpy(&u32Temp, header.dataChunkSize, sizeof(u32Temp));
(*sound)->len = letoh32(u32Temp);
isHeaderValid = true;
break;
}
if (!isHeaderValid)
{
sys_error("(resources) incompatible WAVE header for \"%s\"", resourceFiles[id]);
return false;
}
return true;
}
static int load_icode(int fd, int argc, char **kargv, int envc, char **kenvp)
{
assert(argc >= 0 && argc <= EXEC_MAX_ARG_NUM);
assert(envc >= 0 && envc <= EXEC_MAX_ENV_NUM);
if (current->mm != NULL) {
panic("load_icode: current->mm must be empty.\n");
}
int ret = -E_NO_MEM;
//#ifdef UCONFIG_BIONIC_LIBC
uint32_t real_entry;
//#endif //UCONFIG_BIONIC_LIBC
struct mm_struct *mm;
if ((mm = mm_create()) == NULL) {
goto bad_mm;
}
if (setup_pgdir(mm) != 0) {
goto bad_pgdir_cleanup_mm;
}
mm->brk_start = 0;
struct Page *page;
struct elfhdr __elf, *elf = &__elf;
if ((ret = load_icode_read(fd, elf, sizeof(struct elfhdr), 0)) != 0) {
goto bad_elf_cleanup_pgdir;
}
if (elf->e_magic != ELF_MAGIC) {
ret = -E_INVAL_ELF;
goto bad_elf_cleanup_pgdir;
}
//#ifdef UCONFIG_BIONIC_LIBC
real_entry = elf->e_entry;
uint32_t load_address, load_address_flag = 0;
//#endif //UCONFIG_BIONIC_LIBC
struct proghdr __ph, *ph = &__ph;
uint32_t vm_flags, phnum;
pte_perm_t perm = 0;
//#ifdef UCONFIG_BIONIC_LIBC
uint32_t is_dynamic = 0, interp_idx;
uint32_t bias = 0;
//#endif //UCONFIG_BIONIC_LIBC
for (phnum = 0; phnum < elf->e_phnum; phnum++) {
off_t phoff = elf->e_phoff + sizeof(struct proghdr) * phnum;
if ((ret =
load_icode_read(fd, ph, sizeof(struct proghdr),
phoff)) != 0) {
goto bad_cleanup_mmap;
}
if (ph->p_type == ELF_PT_INTERP) {
is_dynamic = 1;
interp_idx = phnum;
continue;
}
if (ph->p_type != ELF_PT_LOAD) {
continue;
}
if (ph->p_filesz > ph->p_memsz) {
ret = -E_INVAL_ELF;
goto bad_cleanup_mmap;
}
if (ph->p_va == 0 && !bias) {
bias = 0x00008000;
}
if ((ret = map_ph(fd, ph, mm, &bias, 0)) != 0) {
kprintf("load address: 0x%08x size: %d\n", ph->p_va,
ph->p_memsz);
goto bad_cleanup_mmap;
}
if (load_address_flag == 0)
load_address = ph->p_va + bias;
++load_address_flag;
/*********************************************/
/*
vm_flags = 0;
ptep_set_u_read(&perm);
if (ph->p_flags & ELF_PF_X) vm_flags |= VM_EXEC;
if (ph->p_flags & ELF_PF_W) vm_flags |= VM_WRITE;
if (ph->p_flags & ELF_PF_R) vm_flags |= VM_READ;
if (vm_flags & VM_WRITE) ptep_set_u_write(&perm);
if ((ret = mm_map(mm, ph->p_va, ph->p_memsz, vm_flags, NULL)) != 0) {
goto bad_cleanup_mmap;
}
if (mm->brk_start < ph->p_va + ph->p_memsz) {
mm->brk_start = ph->p_va + ph->p_memsz;
}
off_t offset = ph->p_offset;
size_t off, size;
uintptr_t start = ph->p_va, end, la = ROUNDDOWN(start, PGSIZE);
end = ph->p_va + ph->p_filesz;
while (start < end) {
if ((page = pgdir_alloc_page(mm->pgdir, la, perm)) == NULL) {
ret = -E_NO_MEM;
goto bad_cleanup_mmap;
}
off = start - la, size = PGSIZE - off, la += PGSIZE;
if (end < la) {
size -= la - end;
}
if ((ret = load_icode_read(fd, page2kva(page) + off, size, offset)) != 0) {
goto bad_cleanup_mmap;
}
start += size, offset += size;
}
end = ph->p_va + ph->p_memsz;
if (start < la) {
// ph->p_memsz == ph->p_filesz
if (start == end) {
continue ;
}
off = start + PGSIZE - la, size = PGSIZE - off;
if (end < la) {
size -= la - end;
}
memset(page2kva(page) + off, 0, size);
start += size;
assert((end < la && start == end) || (end >= la && start == la));
}
while (start < end) {
if ((page = pgdir_alloc_page(mm->pgdir, la, perm)) == NULL) {
ret = -E_NO_MEM;
goto bad_cleanup_mmap;
}
off = start - la, size = PGSIZE - off, la += PGSIZE;
if (end < la) {
size -= la - end;
}
memset(page2kva(page) + off, 0, size);
start += size;
}
*/
/**************************************/
}
mm->brk_start = mm->brk = ROUNDUP(mm->brk_start, PGSIZE);
/* setup user stack */
vm_flags = VM_READ | VM_WRITE | VM_STACK;
if ((ret =
mm_map(mm, USTACKTOP - USTACKSIZE, USTACKSIZE, vm_flags,
NULL)) != 0) {
goto bad_cleanup_mmap;
}
if (is_dynamic) {
elf->e_entry += bias;
bias = 0;
off_t phoff =
elf->e_phoff + sizeof(struct proghdr) * interp_idx;
if ((ret =
load_icode_read(fd, ph, sizeof(struct proghdr),
phoff)) != 0) {
goto bad_cleanup_mmap;
}
char *interp_path = (char *)kmalloc(ph->p_filesz);
load_icode_read(fd, interp_path, ph->p_filesz, ph->p_offset);
int interp_fd = sysfile_open(interp_path, O_RDONLY);
assert(interp_fd >= 0);
struct elfhdr interp___elf, *interp_elf = &interp___elf;
assert((ret =
load_icode_read(interp_fd, interp_elf,
sizeof(struct elfhdr), 0)) == 0);
assert(interp_elf->e_magic == ELF_MAGIC);
struct proghdr interp___ph, *interp_ph = &interp___ph;
uint32_t interp_phnum;
uint32_t va_min = 0xffffffff, va_max = 0;
for (interp_phnum = 0; interp_phnum < interp_elf->e_phnum;
++interp_phnum) {
off_t interp_phoff =
interp_elf->e_phoff +
sizeof(struct proghdr) * interp_phnum;
assert((ret =
load_icode_read(interp_fd, interp_ph,
sizeof(struct proghdr),
interp_phoff)) == 0);
if (interp_ph->p_type != ELF_PT_LOAD) {
continue;
}
if (va_min > interp_ph->p_va)
va_min = interp_ph->p_va;
if (va_max < interp_ph->p_va + interp_ph->p_memsz)
va_max = interp_ph->p_va + interp_ph->p_memsz;
}
bias = get_unmapped_area(mm, va_max - va_min + 1 + PGSIZE);
bias = ROUNDUP(bias, PGSIZE);
for (interp_phnum = 0; interp_phnum < interp_elf->e_phnum;
++interp_phnum) {
off_t interp_phoff =
interp_elf->e_phoff +
sizeof(struct proghdr) * interp_phnum;
assert((ret =
load_icode_read(interp_fd, interp_ph,
sizeof(struct proghdr),
interp_phoff)) == 0);
if (interp_ph->p_type != ELF_PT_LOAD) {
continue;
}
assert((ret =
map_ph(interp_fd, interp_ph, mm, &bias,
1)) == 0);
}
real_entry = interp_elf->e_entry + bias;
sysfile_close(interp_fd);
kfree(interp_path);
}
sysfile_close(fd);
bool intr_flag;
local_intr_save(intr_flag);
{
list_add(&(proc_mm_list), &(mm->proc_mm_link));
}
local_intr_restore(intr_flag);
mm_count_inc(mm);
current->mm = mm;
set_pgdir(current, mm->pgdir);
mm->cpuid = myid();
mp_set_mm_pagetable(mm);
if (!is_dynamic) {
real_entry += bias;
}
#ifdef UCONFIG_BIONIC_LIBC
if (init_new_context_dynamic(current, elf, argc, kargv, envc, kenvp,
is_dynamic, real_entry, load_address,
bias) < 0)
goto bad_cleanup_mmap;
#else
if (init_new_context(current, elf, argc, kargv, envc, kenvp) < 0)
goto bad_cleanup_mmap;
#endif //UCONFIG_BIONIC_LIBC
ret = 0;
out:
return ret;
bad_cleanup_mmap:
exit_mmap(mm);
bad_elf_cleanup_pgdir:
put_pgdir(mm);
bad_pgdir_cleanup_mm:
mm_destroy(mm);
bad_mm:
goto out;
}