intrusive_ref_ptr<DevFs> //return value is a pointer to DevFs
#else //WITH_DEVFS
void //return value is void
#endif //WITH_DEVFS
basicFilesystemSetup(intrusive_ref_ptr<Device> dev)
{
bootlog("Mounting MountpointFs as / ... ");
FilesystemManager& fsm=FilesystemManager::instance();
intrusive_ref_ptr<FilesystemBase> rootFs(new MountpointFs);
bootlog(fsm.kmount("/",rootFs)==0 ? "Ok\n" : "Failed\n");
#ifdef WITH_DEVFS
bootlog("Mounting DevFs as /dev ... ");
StringPart sp("dev");
int r1=rootFs->mkdir(sp,0755);
intrusive_ref_ptr<DevFs> devfs(new DevFs);
int r2=fsm.kmount("/dev",devfs);
bool devFsOk=(r1==0 && r2==0);
bootlog(devFsOk ? "Ok\n" : "Failed\n");
if(!devFsOk) return devfs;
fsm.setDevFs(devfs);
#endif //WITH_DEVFS
bootlog("Mounting Fat32Fs as /sd ... ");
bool fat32failed=false;
intrusive_ref_ptr<FileBase> disk;
#ifdef WITH_DEVFS
if(dev) devfs->addDevice("sda",dev);
StringPart sda("sda");
if(devfs->open(disk,sda,O_RDWR,0)<0) fat32failed=true;
#else //WITH_DEVFS
if(dev && dev->open(disk,intrusive_ref_ptr<FilesystemBase>(0),O_RDWR,0)<0)
fat32failed=true;
#endif //WITH_DEVFS
intrusive_ref_ptr<Fat32Fs> fat32;
if(fat32failed==false)
{
fat32=new Fat32Fs(disk);
if(fat32->mountFailed()) fat32failed=true;
}
if(fat32failed==false)
{
StringPart sd("sd");
fat32failed=rootFs->mkdir(sd,0755)!=0;
fat32failed=fsm.kmount("/sd",fat32)!=0;
}
bootlog(fat32failed==0 ? "Ok\n" : "Failed\n");
#ifdef WITH_DEVFS
return devfs;
#endif //WITH_DEVFS
}
void
boot(int drive)
{
int addr;
int top;
int kern_entry;
int boot_start;
int boot_region_desc;
int boot_thread_state;
unsigned int size;
int env_start;
int env_size = 0;
char *p;
char *env = 0;
char *defaults = 0;
int defaults_size = 0;
int i;
int idt[2];
delayprompt = 10; /* default to 10s at the prompt */
switch(drive) {
case BIOS_DEV_FLOPPY:
dev = DEV_FLOPPY;
break;
case BIOS_FAKE_WD:
dev = DEV_WD;
break;
case BIOS_DEV_WIN:
default:
dev = DEV_HD;
break;
}
cnvmem = memsize(0);
extmem = memsize(1);
printf("\n>> Secondary Mach boot %s\n>> %d/%dk (? for help, ^C for intr)\n",
VERSIONDATE, cnvmem, extmem);
#ifdef DEBUG
printf("end x%x data 0x%x\n",end,edata);
#endif
/* sanity check: */
if ((int)end > KALLOC_OFFSET || (int)end > (BOOTSTACK-0x300)) {
printf("Size problem: 0x%x > 0x%x\n",end,
((int)end > KALLOC_OFFSET)?KALLOC_OFFSET:BOOTSTACK-0x300);
}
#if DEBUG
if (debug) {
printf("dev = %x\n", dev);
printf("unit = %x\n", unit);
printf("part = %x\n", part);
}
#endif
#if 0
dev = DEV_HD;
unit = 0;
part = 0;
#endif
reset_pic(); /* Lilo breaks PIC, BIOS disk ints fail */
calibrate_delay(); /* adjust delay for i/o operation */
gateA20();
if (dev == DEV_FLOPPY && devfs()) {
printf("No fd FS, using hd\n");
dev = DEV_HD;
part = 0;
}
bcopy(MACH_KERNEL, kern_prog.name, sizeof(MACH_KERNEL));
bcopy(BOOTSTRAP, boot_prog.name, sizeof(BOOTSTRAP));
bcopy(MACH_BOOT_ENV, env_prog.name, sizeof(MACH_BOOT_ENV));
reload_env_file:
if (openrd(env_prog.name, NULL) == 0 && fsize() != 0) {
const char *value;
/*
* Read mach_boot environment file if exists
*/
printf("Reading defaults from %s:\n",env_prog.name);
defaults_size = fsize()+1;
if (defaults != (char *)0)
free(defaults);
defaults = (char *)malloc(defaults_size);
read(defaults, defaults_size-1);
*(defaults+defaults_size-1) = 0;
printf("%s", defaults);
for (p = defaults; p < defaults + defaults_size; p++)
if (*p == '\n')
*p = '\0';
value = get_env("CONSOLE", defaults, defaults_size);
if (strcmp(value, "vga") == 0 || strcmp(value, "VGA") == 0)
com_enabled = 0;
/* WARNING: do not enable the remote console based
* on the latter argument in an environment file, since
* now, remote console enabling is decided by the primary
* boot ONLY and passed along through secondary's.
*/
if (*get_env("PROMPT", defaults, defaults_size) == '1')
prompt = 1;
if (com_enabled &&
(value = get_env("COM1_SETUP", defaults, defaults_size)))
com_setup(value);
if (value = get_env("DELAYPROMPT", defaults, defaults_size)) {
delayprompt = atoi(value);
/* don't allow stupid values */
if (delayprompt < 3)
delayprompt = 3;
}
}
for (;;) {
if ((!getbootline(kern_prog.name, boot_prog.name)) && defaults ) {
/*
* Get defaults from /mach_boot.env if any.
*/
const char *value;
if (value = get_env("KERNEL_NAME",
defaults, defaults_size)) {
strcpy(kern_prog.name, (char *)value);
strcpy(kern_prog.args, (char *)value);
kern_prog.args_size = strlen(value)+1;
}
if (value = get_env("KERNEL_ARGS",
defaults, defaults_size)) {
char *args;
args = kern_prog.args + kern_prog.args_size;
while (*value)
value = copyargs((char *)value, &args);
kern_prog.args_size = args - kern_prog.args;
}
if (value = get_env("BOOTSTRAP_NAME",
defaults, defaults_size)) {
strcpy(boot_prog.name, (char *)value);
strcpy(boot_prog.args, (char *)value);
boot_prog.args_size = strlen(value)+1;
}
if (value = get_env("BOOTSTRAP_ARGS",
defaults, defaults_size)) {
char *args;
args = boot_prog.args + boot_prog.args_size;
while (*value)
value = copyargs((char *)value, &args);
boot_prog.args_size = args - boot_prog.args;
}
}
if (cons_is_com) {
printf("console is COM1\n");
/* check if we already enabled remote console? */
p = kern_prog.args + kern_prog.args_size;
*p++ = '-';
*p++ = 'r';
*p++ = 0;
kern_prog.args_size += 3;
}
addr = KERNEL_BOOT_ADDR;
if (loadtext(&addr, &kern_prog)) {
strcpy(env_prog.name, kern_prog.name);
goto reload_env_file;
} else if (loadprog(&addr, &kern_prog)) {
printf("Can't load %s\n", kern_prog.name);
usage();
continue;
}
kern_entry = entry;
if (dev == DEV_WD)
net_get_root_device();
env_start = addr;
if (openrd("/mach_servers/environment", NULL) == 0 &&
fsize() != 0) {
unsigned int total = fsize()+1;
printf("Loading environment from /mach_servers/environment\n");
env = (char *)malloc(total);
read(env, total-1);
*(env+total-1) = 0;
for (p = env; p < env + total; p++)
if (*p == '\n')
*p = '\0';
pcpy(env, (void *)addr, total);
addr += total;
env_size += total;
free(env);
}
env = (char *)malloc(BOOT_LINE_LENGTH);
#if BOOT_ENV_COMPAT
/* should go away when all kernels are converted
to use BOOT_DEVICE */
p = env;
strcpy(p, "BOOTOFFSET=");
p = itoa(p + strlen(p), boff) + 1;
strcpy(p, "BOOTDEV=hd");
p += strlen(p)+1;
*(p-3) = dev;
strcpy(p, "BOOTUNIT=");
p = itoa(p + strlen(p), unit) + 1;
strcpy(p, "BOOTPART=");
p = itoa(p + strlen(p), part) + 1;
size = p - env;
pcpy(env, (void *)addr, size);
addr += size;
env_size += size;
#endif /* BOOT_ENV_COMPAT */
p = env;
strcpy(p, "BOOT_DEVICE=hd");
p += strlen(p);
*(p-2) = dev;
p = itoa(p, unit);
*p++ = 'a'+part;
size = p - env;
pcpy(env, (void *)addr, size);
addr += size;
env_size += size;
free(env);
if (strncmp("none",boot_prog.name,sizeof("none"))==0
||strncmp("null",boot_prog.name,sizeof("null"))==0) {
boot_start = 0;
boot_region_desc = 0;
boot_prog.sym_start = 0;
boot_prog.sym_size = 0;
boot_prog.args_start = 0;
boot_prog.args_size = 0;
region_count = 0;
boot_thread_state = 0;
top = page_align(addr);
goto boot_kernel_only;
}
boot_start = addr = page_align(addr);
if (loadprog(&addr, &boot_prog)) {
printf("Can't load %s\n", boot_prog.name);
usage();
continue;
}
boot_region_desc = addr;
addr = boot_region_desc + (region_count * sizeof(regions[0]));
pcpy(regions, (void *) boot_region_desc,
addr - boot_region_desc);
boot_thread_state = addr;
addr += sizeof(thread_state);
pcpy(&thread_state, (void *) boot_thread_state,
addr - boot_thread_state);
top = page_align(addr);
boot_kernel_only:
#ifdef DEBUG
if (debug) {
printf("startprog(\n");
printf(" entry 0x%x,\n", kern_entry);
printf(" -1,\n");
printf(" extmem 0x%x,\n", extmem);
printf(" cnvmem 0x%x,\n", cnvmem);
printf(" kern_sym_start 0x%x,\n",
kern_prog.sym_start);
printf(" kern_sym_size 0x%x,\n",
kern_prog.sym_size);
printf(" kern_args_start 0x%x,\n",
kern_prog.args_start);
printf(" kern_args_size 0x%x,\n",
kern_prog.args_size);
for (p = kern_prog.args;
p < &kern_prog.args[kern_prog.args_size];
p += strlen(p)+1)
printf("<%s>", p);
printf("\n");
printf(" boot_sym_start 0x%x,\n",
boot_prog.sym_start);
printf(" boot_sym_size 0x%x,\n",
boot_prog.sym_size);
printf(" boot_args_start 0x%x,\n",
boot_prog.args_start);
printf(" boot_args_size 0x%x,\n",
boot_prog.args_size);
for (p = boot_prog.args;
p < &boot_prog.args[boot_prog.args_size];
p += strlen(p)+1)
printf("<%s>", p);
printf("\n");
printf(" boot_start 0x%x,\n", boot_start);
printf(" boot_size 0x%x,\n",
boot_prog.sym_start - boot_start);
printf(" boot_region_desc 0x%x,\n",
boot_region_desc);
printf(" boot_region_count 0x%x,\n", region_count);
printf(" boot_thread_state_flavor %d,\n",
THREAD_SYSCALL_STATE);
printf(" boot_thread_state 0x%x (eip 0x%x, esp 0x%x),\n",
boot_thread_state,
thread_state.eip, thread_state.esp);
printf(" boot_thread_state_count %d,\n",
(int) i386_THREAD_SYSCALL_STATE_COUNT);
printf(" env_start 0x%x,\n", env_start);
printf(" env_size 0x%x,\n", env_size);
printf(" top 0x%x)\n", (int) top);
getchar();
continue;
}
#endif /* DEBUG */
/*
* New calling convention
*
* %esp -> -1
* size of extended memory (K)
* size of conventional memory (K)
* kern_sym_start
* kern_sym_size
* kern_args_start
* kern_args_size
* boot_sym_start
* boot_sym_size
* boot_args_start
* boot_args_size
* boot_start
* boot_size
* boot_region_desc
* boot_region_count
* boot_thread_state_flavor
* boot_thread_state
* boot_thread_state_count
* env_start
* env_size
* top of loaded memory
*/
startprog(
kern_entry,
-1,
extmem, cnvmem,
kern_prog.sym_start, kern_prog.sym_size,
kern_prog.args_start, kern_prog.args_size,
boot_prog.sym_start, boot_prog.sym_size,
boot_prog.args_start, boot_prog.args_size,
boot_start, boot_prog.sym_start - boot_start,
boot_region_desc, region_count,
THREAD_SYSCALL_STATE, boot_thread_state,
i386_THREAD_SYSCALL_STATE_COUNT,
env_start, env_size,
top);
}
}
